WO2012116858A1 - Träger für eine optoelektronische struktur und optoelektronischer halbleiterchip mit solch einem träger - Google Patents
Träger für eine optoelektronische struktur und optoelektronischer halbleiterchip mit solch einem träger Download PDFInfo
- Publication number
- WO2012116858A1 WO2012116858A1 PCT/EP2012/050982 EP2012050982W WO2012116858A1 WO 2012116858 A1 WO2012116858 A1 WO 2012116858A1 EP 2012050982 W EP2012050982 W EP 2012050982W WO 2012116858 A1 WO2012116858 A1 WO 2012116858A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carrier
- layer
- electrically conductive
- electrically
- conductive layer
- Prior art date
Links
- 230000005693 optoelectronics Effects 0.000 title claims abstract description 76
- 239000004065 semiconductor Substances 0.000 title claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 42
- 238000002161 passivation Methods 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 239000007767 bonding agent Substances 0.000 claims description 17
- 229910010293 ceramic material Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 230000005670 electromagnetic radiation Effects 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000001465 metallisation Methods 0.000 description 5
- 239000012777 electrically insulating material Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02002—Arrangements for conducting electric current to or from the device in operations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02002—Arrangements for conducting electric current to or from the device in operations
- H01L31/02005—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
- H01L33/382—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape the electrode extending partially in or entirely through the semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/483—Containers
- H01L33/486—Containers adapted for surface mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0306—Inorganic insulating substrates, e.g. ceramic, glass
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
- H05K1/112—Pads for surface mounting, e.g. lay-out directly combined with via connections
- H05K1/113—Via provided in pad; Pad over filled via
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/09781—Dummy conductors, i.e. not used for normal transport of current; Dummy electrodes of components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/09845—Stepped hole, via, edge, bump or conductor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10106—Light emitting diode [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10121—Optical component, e.g. opto-electronic component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3436—Leadless components having an array of bottom contacts, e.g. pad grid array or ball grid array components
Definitions
- a support for an optoelectronic structure is specified.
- an optoelectronic structure is specified.
- An object to be solved is to provide a support for an optoelectronic structure, which enables a particularly stable optoelectronic semiconductor chip.
- the carrier is suitable as a carrier for an optoelectronic structure.
- the optoelectronic structure may be
- Semiconductor layer sequence comprises.
- Semiconductor layer sequence preferably comprises at least one active region which is in operation of the optoelectronic
- the carrier and the optoelectronic structure can together
- optoelectronic semiconductor chip which may then be, for example, a light-emitting diode chip or a photodiode chip.
- the carrier comprises an electrically insulating basic body.
- electrically insulating body forms the mechanically bearing component of the carrier.
- the electrically insulating body is formed in the manner of a disk, that is, its extension in lateral Direction is greater than its thickness in the perpendicular vertical direction.
- the electrically insulating base body is formed with an electrically insulating material or with electrically insulating materials.
- silicon in particular undoped silicon
- ceramic materials in particular ceramic materials such as aluminum nitride, aluminum oxide.
- the carrier comprises at least one n-side connection point on an underside of the base body.
- the n-side connection point on an underside of the base body.
- the n-side connection point can, for example, as
- the carrier has a p-side connection point, which is connected to the
- the p-side connection point can be, for example, the Anode of an optoelectronic semiconductor chip, which has the carrier.
- the carrier is suitable for surface mounting in this way, for example, by connecting the n-side connection points and the p-side connection points of the carrier to the contact points of a printed circuit board on which the carrier is arranged.
- the carrier comprises a structured electrically conductive layer on the upper side of the main body opposite the underside.
- the structured electrically conductive layer is
- connection points preferably electrically conductively connected to the p-side attachment points and the n-side connection points of the carrier.
- the current impressed by the connection points is distributed along the upper side of the carrier or directed to the desired locations.
- the carrier comprises a structured and electrically conductive
- the carrier-side connecting medium layer on the side facing away from the base body of the structured electrically conductive layer.
- the bonding agent layer is, for example, a solder layer or a layer of conductive adhesive.
- Connecting agent layer is at the base body
- the structured electrically conductive layer is electrically conductively connected to the n-side connection point in a first region and electrically conductively connected to the p-side connection point in a second region, wherein the first region and the second region electrically from each other
- the structured electrically conductive layer on the upper side of the main body has at least two regions which have unequal names
- Connection points of the carrier are connected. If the carrier comprises a plurality of n-side connection points, all n-side connection points are preferably connected to a first region. If the carrier comprises several p-sides
- Connection points for a single optoelectronic structure preferably all p-side connection points are connected to a second region.
- the carrier it is possible for the carrier to have a plurality of first regions and a plurality of second regions or exactly one first region and exactly one second region.
- the carrier may have a number of n-side connection points, p-side, corresponding to the number of optoelectronic structures
- connection points of first regions of the structured and electrically conductive layer and of the second regions of the structured and electrically conductive layer.
- the first and second regions of the structured electrically conductive layer thus conduct and distribute the current from the unlike connection points of the carrier into
- the carrier-side connecting-medium layer is locally in direct contact with the electrically-conductive layer and in places is an electrically insulating
- carrier-side connecting medium layer is electrically conductively connected to the electrically conductive layer and there is
- Passivation material is arranged on the side facing away from the carrier body of the electrically conductive layer and on the side facing the carrier of the carrier-side connecting medium layer, ie in particular runs directly between these two layers.
- Connecting agent layer is thereby divided into areas that are in direct electrical contact with one of
- Connection points of the carrier are, and in areas of the connection points - at least in terms of
- Connection via the structured electrically conductive layer - are electrically isolated. It is in particular
- the carrier has a uniform thickness within the manufacturing tolerance. This can be achieved, for example, by the fact that the structured
- Connecting material where no Passivianssmaterial between the connecting material and the electrically conductive Layer is arranged, is formed thick enough that it has a same thickness as the layer stack
- the carrier for an optoelectronic structure comprises a
- Base body at least one p-side connection point on the underside of the base body, a structured electrically conductive layer on the underside opposite the underside of the base body and a structured and
- the structured electrically conductive layer is in a first region
- the structured electrically conductive layer is electrically conductively connected in a second region with the p-side junction and the first region and the second region of the electrically conductive layer are electrically isolated from each other.
- Connecting agent layer is in places in direct
- the carrier described here is based on the idea of rewiring, ie the electrical connection between spatially isolated contact points, for example the optoelectronic structure, for which the Carrier is provided, not in the optoelectronic structure, but perform on the carrier itself.
- the carrier may be a wafer, such as a silicon wafer, as described
- the carrier wafer may be connected to a semiconductor wafer, the
- Structures includes being connected via adjusted bonding.
- the carrier provides in this way for the optoelectronic structures mechanical support, electrical connections and the required distribution of electric current available.
- Structures can then be singulated into individual optoelectronic semiconductor chips, each of which
- the carrier described here is suitable and intended for a connection technology in the wafer composite.
- a multiplicity of optoelectronic structures can still be applied to the carrier in the wafer composite and electrically connected there.
- a particularly stable semiconductor chip is made possible with the carrier described here. Stable refers to both electrical stability (despite the in the
- Optoelectronic structures necessary high currents for Example compared to conventional ball grid array (BGA) applications, where only small switching or signal currents are distributed) as well as mechanical stability (despite the extremely thin residual thickness of the optoelectronic structures after removal of the growth substrate).
- BGA ball grid array
- the passivation material is in places between the electrically conductive layer and the carrier side
- Passivitationsmaterial is in direct contact with the electrically conductive layer and the bonding agent layer. That is, in the areas where passivation material is present, the passivation material imparts a mechanical bond between the wearer side
- the passivation material is in direct contact with the electrically conductive layer only in the first region. That is, the passivation material is preferably arranged only where the electrically conductive layer is electrically conductively connected to the n-side junction. In the second area of the structured electrically conductive
- Layer that is, where the structured electrically conductive layer is electrically conductively connected to the p-side junction, is the carrier side
- the second region of the electrically conductive layer is free of the passivation material.
- the second region of the structured electrically conductive layer is free of passivation material.
- Passivitationsmaterial is arranged exclusively in the first area and only there in direct contact with the
- connection points of the carrier are electrically conductively connected to the electrically conductive layer by means of at least one through-connection, wherein the
- Through holes extend through the base body from the bottom to the top of the body.
- the plated-through holes thus ensure the electrically conductive contact of the connection points with the associated regions of the electrically conductive layer.
- the plated-through holes are formed by metallization of holes in the base body, which completely penetrate the base body from its upper side to its lower side.
- holes can also be completely filled with electrically conductive material, such as metal.
- the plated-through holes are formed with the same material as the connection points. That is, a via can be associated with its associated
- junction be made in one piece. At the top of the body are the vias with the associated areas of the electrically conductive layer in direct contact.
- the electrically conductive layer can also be made of the same material as the
- connection points may be formed, so that a portion of the electrically conductive layer may be formed integrally with the associated vias and connection points.
- an optoelectronic semiconductor chip is specified.
- the optoelectronic semiconductor chip comprises a carrier as described here. That is, all features disclosed to the wearer are also for the wearer
- the carrier is electrically conductively and mechanically connected to an optoelectronic structure by means of the carrier-side connecting medium layer. That is, the optoelectronic semiconductor chip includes a
- Opto-electronic structure which is electrically conductively and mechanically connected to the carrier by means of the carrier-side connection layer.
- the optoelectronic structure comprises the following components:
- the optoelectronic structure comprises a semiconductor layer sequence, which may be produced epitaxially, for example.
- the semiconductor layer sequence may be based, for example, on an I I I-V compound semiconductor material.
- the semiconductor layer sequence comprises an active region, which during operation of the semiconductor layer sequence for
- the semiconductor layer sequence comprises a p-side, for example, with a p-doped Semiconductor material is formed, and an n-side, which is formed for example with an n-doped semiconductor material.
- the active area is then arranged between the p-side and the n-side.
- the optoelectronic structure further comprises a
- Mirror layer which is provided for the reflection of electromagnetic radiation generated in the active region or of the electromagnetic radiation to be detected in the active region.
- the mirror layer is electrically conductively connected to the p-side of the semiconductor layer sequence.
- the mirror layer is, for example, attached to the p-side of the semiconductor layer sequence and mechanically connected thereto. Electric current for operating the active region can also be impressed via the mirror layer into the p-side of the semiconductor layer sequence if the mirror layer is designed to be electrically conductive.
- the mirror layer contains a reflective material such as gold or silver.
- the optoelectronic structure further comprises at least one structure-side plated-through hole, which electrically conductively contacts the n-side of the semiconductor layer sequence and extends from the p-side through the active region to the n-side. That is, a contacting of the active structure can take place from the side at which the p-side of the semiconductor layer sequence is arranged.
- the semiconductor chip comprises a structured and electrically conductive structure-side
- Connecting agent layer which is in direct contact with the carrier-side connecting medium layer, wherein the two connecting medium layers are mechanically firmly connected to each other.
- the two connecting medium layers are mechanically firmly connected to each other.
- Bonding agent layers around solder layers or layers of conductive adhesive The structural side
- Connecting agent layer is, for example, at least in places by one or more structural side
- Connecting agent layer is between the
- the structure-side one has
- Connecting medium layer at least one p-region, which is electrically conductively connected to the p-side junction of the carrier, and at least one n-region, which is electrically conductive with the n-side junction
- Mirror layer not or hardly overlap with each other.
- “Barely overlapped” means that at most 10% of the area of the mirror layer overlaps with the n-areas of the structure-side interconnection layer, and the n-areas of the structure-side interconnection layer overlap the mirror layer also m direction perpendicular to the main extension plane of the active region not. These components are thus arranged vertically and laterally offset from each other.
- the optoelectronic semiconductor chip is based inter alia on the recognition that a
- structure-side bonding agent layer do not overlap with each other.
- Connecting agent layer and the mirror layer can therefore be made particularly thin, since the stress of the passivation layer due to the potential difference
- FIG. 1 shows, in a schematic sectional view, a carrier 1 for an optoelectronic structure 2 according to an alternative embodiment.
- FIGS. 2A and 2B show a schematic illustration of an embodiment of a carrier described here as well as one described here
- the carrier 1 shows a schematic sectional view of a carrier 1, as it could be formed as an alternative to the carrier described here.
- the carrier 1 comprises a main body 11 which is formed, for example, with an electrically insulating material such as undoped silicon or a ceramic material. Furthermore, it is possible that the base body 11 is formed with an electrically conductive or semiconducting material.
- the body in this case optionally comprises suitable electrically
- the p-side junction is electrically conductive by means of the via 17 with a region of a structured carrier-side bonding agent layer 15 connected. Furthermore, an n-side connection point 13 is applied to the underside IIb of the main body, which by means of the through-connection 17 is electrically conductive with a further region of the structured carrier-side
- Connecting agent layer 15 is connected. In the carrier according to Figure 1, the connecting medium layer 15 only
- a wiring that is an electrically conductive, in particular metallic compound spatially isolated
- Potential difference AU is formed, which is 0. This potential difference leads to an electrical load on the passivation layers 23, 24 and can be undesirable
- Optoelectronic structure 2 together form a
- FIG. 2B shows a schematic plan view of a structured electrically conductive layer 14 on the upper side IIa of the main body 11 of the carrier 1.
- the carrier 1 comprises a main body 11, which is designed to be electrically insulating.
- the main body 11 consists for example of an electrically insulating material and may contain silicon and / or a ceramic material.
- connection points 12, 13 are each electrically connected via a plated-through hole 17 with the structured conductive layer 14 on the upper side of the carrier.
- the structured electrically conductive layer 14 is divided into a first region 14a, which is electrically conductively connected to the n-side connection point 13, and the second region 14b, which is electrically conductively connected to the p-side connection point 12.
- the second region 14b can be enclosed, for example, by the first region 14a.
- electrically conductive layer 14 preferably contain a good electrically conductive metal such as gold.
- the structured electrically conductive layer 14 thus distributes the current impressed by the connection points 12, 13 on the upper side IIa of the main body.
- structured electrically conductive layer 14 is an electrically conductive structured carrier side Connecting agent layer 15 is arranged.
- the carrier-side bonding agent layer 15 is in part in electrically conductive contact with the patterned conductive layer 14. In other areas, between the
- Passivation material 16 arranged, which electrically
- the bonding agent layer contains, for example, a soldering material such as gold and / or tin.
- the passivation material can be mixed with silicon dioxide and / or
- Silicon nitride may be formed. Further, the use of a ceramic material such as alumina and / or
- the passivation material 16 is only in the first region 14 a, which is electrically conductively connected to the n-side connection point 13, in contact with the electrical
- carrier-side bonding agent layer 15 is in direct contact with the electrically conductive layer 14 is the
- Thickness of the carrier-side bonding agent layer 15 is selected so that the carrier 1 has a total uniform thickness.
- the passivation material 16 By means of the passivation material 16, a structured current conduction is achieved, such that current is guided in a targeted manner to the contacts 26a, 26b of the optoelectronic structure 2.
- the contact 26 a which is electrically connected to the p-side junction 12, the
- Opto-electronic structure 2 p-side electrical
- the optoelectronic structure 2 is connected.
- the optoelectronic structure 2 is connected on the n-side.
- Structure-side structured electrically conductive layer 114 but already on the carrier on the carrier side
- Terminals and the contacts are formed, for example, with highly conductive metals such as gold, silver and / or aluminum.
- the optoelectronic structure 2 comprises a semiconductor layer sequence 21 which is based, for example, on an I I I-V compound semiconductor material.
- a III / V compound semiconductor material comprises at least one element of the third main group such as B, Al, Ga, In, and a fifth main group element such as
- III / V compound semiconductor material means the group of binary, ternary or quaternary compounds which
- Such a binary, ternary or quaternary compound may additionally comprise, for example, one or more dopants for p-doping and n-doping, as well as additional constituents.
- the semiconductor layer sequence 21 comprises a p-doped p-side 21a, an n-doped n-side 21b and an active region 21c, which is arranged between the two sides.
- a mirror layer 22 is arranged, which consists of two or more layers can exist. The mirror layer 22 is applied to the p-side 21a of the semiconductor layer sequence 21 and serves for p-side contacting of
- the mirror layer 21 contains silver, for example.
- Semiconductor layer sequence 21 has the opto-electronic
- Structure 2 structure-side vias 27, which, for example, with material of the structure side
- Connecting medium layer 25 are filled and contact the semiconductor layer sequence 21 at the n-contacts 26b.
- structure-side connecting medium layer 25 which has an
- Semiconductor layer sequence 21 is electrically connected.
- the structure-side connecting medium layer 25 has a p-region 25a, which is electrically conductive with the
- Connecting agent layer has in the vertical direction R
- the part overlapping in the vertical direction of the structure-side connecting medium layer 25 is the p-region
- Optoelectronic structure 2 is omitted, this is, however, on the support 1, where the bonding agent layer 15 is locally isolated by Passivitationsmaterial 16 of the conductive layer 13 electrically.
- the wiring for the current conduction to the n-type contact 26b takes place on the carrier and the connecting medium layer 25, for example a solder metal, carries the majority, that is to say in the p-region 25a, the p-polarity.
- the large-area mirror layer 22 is thus at the same potential as the connecting medium layer 25 and the existing passivation layers 23, 24 are hardly electrically loaded in this way.
- Such loading of the passivation material 16 occurs on the side of the carrier 1; there, however, the passivation material 16 is applied only on flat surfaces, that is, there is no topography, the passivation material 16 on the
- Support side is therefore more resilient.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Led Device Packages (AREA)
- Photovoltaic Devices (AREA)
- Led Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/002,109 US9076898B2 (en) | 2011-03-03 | 2012-01-23 | Carrier for an optoelectronic structure comprising a structured electronically conductive layer at the top side of main body, and optoelectronic semiconductor chip comprising such a carrier |
DE112012001078.7T DE112012001078B4 (de) | 2011-03-03 | 2012-01-23 | Träger für eine optoelektronische Struktur und optoelektronischer Halbleiterchip mit solch einem Träger |
CN201280011601.1A CN103403891B (zh) | 2011-03-03 | 2012-01-23 | 用于光电子结构的载体和具有这种载体的光电子半导体芯片 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011012924A DE102011012924A1 (de) | 2011-03-03 | 2011-03-03 | Träger für eine optoelektronische Struktur und optoelektronischer Halbleiterchip mit solch einem Träger |
DE102011012924.3 | 2011-03-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012116858A1 true WO2012116858A1 (de) | 2012-09-07 |
Family
ID=45562987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/050982 WO2012116858A1 (de) | 2011-03-03 | 2012-01-23 | Träger für eine optoelektronische struktur und optoelektronischer halbleiterchip mit solch einem träger |
Country Status (5)
Country | Link |
---|---|
US (1) | US9076898B2 (de) |
CN (1) | CN103403891B (de) |
DE (2) | DE102011012924A1 (de) |
TW (1) | TWI456808B (de) |
WO (1) | WO2012116858A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013187723A1 (ko) * | 2012-06-14 | 2013-12-19 | An Sang Jeong | 반도체 발광소자 및 이의 제조 방법 |
DE102015107526A1 (de) * | 2015-05-13 | 2016-11-17 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip und optoelektronisches Modul |
DE102015113310B4 (de) * | 2015-08-12 | 2022-08-04 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Halbleiterchip |
DE102016106831A1 (de) * | 2016-04-13 | 2017-10-19 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterchip |
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US20070096130A1 (en) * | 2005-06-09 | 2007-05-03 | Philips Lumileds Lighting Company, Llc | LED Assembly Having Maximum Metal Support for Laser Lift-Off of Growth Substrate |
WO2009077974A2 (en) * | 2007-12-14 | 2009-06-25 | Koninklijke Philips Electronics N.V. | Contact for a semiconductor light emitting device |
US20110005822A1 (en) * | 2006-10-20 | 2011-01-13 | Yuuki Momokawa | Structure of a package for electronic devices and method for manufacturing the package |
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JP4961887B2 (ja) * | 2005-09-07 | 2012-06-27 | 豊田合成株式会社 | 固体素子デバイス |
US7439548B2 (en) * | 2006-08-11 | 2008-10-21 | Bridgelux, Inc | Surface mountable chip |
DE102007022947B4 (de) | 2007-04-26 | 2022-05-05 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Optoelektronischer Halbleiterkörper und Verfahren zur Herstellung eines solchen |
JP5137059B2 (ja) * | 2007-06-20 | 2013-02-06 | 新光電気工業株式会社 | 電子部品用パッケージ及びその製造方法と電子部品装置 |
DE102007030129A1 (de) * | 2007-06-29 | 2009-01-02 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung einer Mehrzahl optoelektronischer Bauelemente und optoelektronisches Bauelement |
DE102007062046B4 (de) | 2007-12-21 | 2023-09-07 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Lichtemittierende Bauelementeanordnung, lichtemittierendes Bauelement sowie Verfahren zum Herstellen einer Mehrzahl von lichtemittierenden Bauelementen |
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DE102008011848A1 (de) | 2008-02-29 | 2009-09-03 | Osram Opto Semiconductors Gmbh | Optoelektronischer Halbleiterkörper und Verfahren zur Herstellung eines solchen |
DE102008054235A1 (de) * | 2008-10-31 | 2010-05-12 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauteil |
KR101064026B1 (ko) * | 2009-02-17 | 2011-09-08 | 엘지이노텍 주식회사 | 발광 디바이스 패키지 및 그 제조방법 |
DE102009032486A1 (de) * | 2009-07-09 | 2011-01-13 | Osram Opto Semiconductors Gmbh | Optoelektronisches Bauelement |
US8653542B2 (en) * | 2011-01-13 | 2014-02-18 | Tsmc Solid State Lighting Ltd. | Micro-interconnects for light-emitting diodes |
-
2011
- 2011-03-03 DE DE102011012924A patent/DE102011012924A1/de not_active Withdrawn
-
2012
- 2012-01-23 WO PCT/EP2012/050982 patent/WO2012116858A1/de active Application Filing
- 2012-01-23 US US14/002,109 patent/US9076898B2/en active Active
- 2012-01-23 CN CN201280011601.1A patent/CN103403891B/zh active Active
- 2012-01-23 DE DE112012001078.7T patent/DE112012001078B4/de active Active
- 2012-02-15 TW TW101104821A patent/TWI456808B/zh active
Patent Citations (5)
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EP1450417A1 (de) * | 2003-02-19 | 2004-08-25 | LumiLeds Lighting U.S., LLC | Hochleistungs-LED mit verbesserten thermischen Eigenschaften |
WO2004105142A1 (en) * | 2003-05-26 | 2004-12-02 | Matsushita Electric Works, Ltd. | Light-emitting device |
US20070096130A1 (en) * | 2005-06-09 | 2007-05-03 | Philips Lumileds Lighting Company, Llc | LED Assembly Having Maximum Metal Support for Laser Lift-Off of Growth Substrate |
US20110005822A1 (en) * | 2006-10-20 | 2011-01-13 | Yuuki Momokawa | Structure of a package for electronic devices and method for manufacturing the package |
WO2009077974A2 (en) * | 2007-12-14 | 2009-06-25 | Koninklijke Philips Electronics N.V. | Contact for a semiconductor light emitting device |
Also Published As
Publication number | Publication date |
---|---|
DE112012001078A5 (de) | 2014-06-26 |
US20140054635A1 (en) | 2014-02-27 |
TW201251144A (en) | 2012-12-16 |
US9076898B2 (en) | 2015-07-07 |
CN103403891B (zh) | 2016-01-20 |
DE112012001078B4 (de) | 2022-02-03 |
TWI456808B (zh) | 2014-10-11 |
DE102011012924A1 (de) | 2012-09-06 |
CN103403891A (zh) | 2013-11-20 |
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