JP5503113B2 - 半導体装置、ウエハ構造体および半導体装置の製造方法 - Google Patents
半導体装置、ウエハ構造体および半導体装置の製造方法 Download PDFInfo
- Publication number
- JP5503113B2 JP5503113B2 JP2008122513A JP2008122513A JP5503113B2 JP 5503113 B2 JP5503113 B2 JP 5503113B2 JP 2008122513 A JP2008122513 A JP 2008122513A JP 2008122513 A JP2008122513 A JP 2008122513A JP 5503113 B2 JP5503113 B2 JP 5503113B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- semiconductor device
- compound semiconductor
- groove
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004065 semiconductor Substances 0.000 title claims description 163
- 238000004519 manufacturing process Methods 0.000 title claims description 40
- 238000000034 method Methods 0.000 claims description 72
- 239000000758 substrate Substances 0.000 claims description 51
- 230000015572 biosynthetic process Effects 0.000 claims description 49
- 230000008569 process Effects 0.000 claims description 44
- 229910002704 AlGaN Inorganic materials 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 11
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 237
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 33
- 229910052710 silicon Inorganic materials 0.000 description 32
- 239000010703 silicon Substances 0.000 description 32
- 229910052751 metal Inorganic materials 0.000 description 30
- 239000002184 metal Substances 0.000 description 30
- 229920002120 photoresistant polymer Polymers 0.000 description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 22
- 229910052814 silicon oxide Inorganic materials 0.000 description 22
- 238000010586 diagram Methods 0.000 description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 14
- 239000011229 interlayer Substances 0.000 description 14
- 239000010936 titanium Substances 0.000 description 14
- 238000000206 photolithography Methods 0.000 description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 10
- 238000002161 passivation Methods 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 7
- 239000011777 magnesium Substances 0.000 description 6
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 230000003685 thermal hair damage Effects 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 230000005533 two-dimensional electron gas Effects 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- USZGMDQWECZTIQ-UHFFFAOYSA-N [Mg](C1C=CC=C1)C1C=CC=C1 Chemical compound [Mg](C1C=CC=C1)C1C=CC=C1 USZGMDQWECZTIQ-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- QBJCZLXULXFYCK-UHFFFAOYSA-N magnesium;cyclopenta-1,3-diene Chemical compound [Mg+2].C1C=CC=[C-]1.C1C=CC=[C-]1 QBJCZLXULXFYCK-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3121—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0657—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape of the body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/6609—Diodes
- H01L29/66143—Schottky diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66446—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET]
- H01L29/66462—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET] with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7786—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT
- H01L29/7787—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT with wide bandgap charge-carrier supplying layer, e.g. direct single heterostructure MODFET
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/872—Schottky diodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/16—Composite materials, e.g. fibre reinforced
- B23K2103/166—Multilayered materials
- B23K2103/172—Multilayered materials wherein at least one of the layers is non-metallic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/2003—Nitride compounds
-
- 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
- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Junction Field-Effect Transistors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Dicing (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Description
以下、本発明の実施の形態1による半導体装置100を、図面を用いて詳細に説明する。なお、本実施の形態では、半導体素子として1つ以上のMOSFET100Aが形成された半導体装置100を例に挙げる。
図1(a)は本実施の形態による半導体装置100を個片化する前のウエハ1の概略構成を示す上視図であり、図1(b)はウエハ1に2次元配列された複数の半導体装置100のうちの1つの半導体装置100周辺を拡大した概略上視図である。また、図2は、図1(b)におけるA−A’断面の層構造を示す模式図である。
次に、本実施の形態による半導体装置100の製造方法を、図面を用いて詳細に説明する。図3(a)から図6(b)は、本実施の形態による半導体装置100の製造方法を示すプロセス図である。なお、図3(a)から図6(b)では、図2と対応する断面を示す。
次に、本発明の実施の形態2による半導体装置200を、図面を用いて詳細に説明する。なお、本実施の形態では、半導体素子として1つ以上のHEMT200Aが形成された半導体装置200を例に挙げる。なお、以下の説明において、本発明の実施の形態1と同様の構成については同一の符号を付し、その詳細な説明を省略する。
本実施の形態において、半導体装置200を個片化する前のウエハ2の上方からの概略構成は、図1(a)および図1(b)に示す概略構成と同様であるため、ここではこれを引用することで詳細な説明を省略する。また、図8は、本実施の形態によるウエハ2の層構造を示す模式図である。なお、図8では、図1(b)におけるA−A’断面と対応する断面の層構造を示す。
次に、本実施の形態による半導体装置200の製造方法を、図面を用いて詳細に説明する。図9(a)から図9(c)は、本実施の形態による半導体装置200の製造方法を示すプロセス図である。なお、以下の説明において、本発明の実施の形態1と同様の工程については、それを引用することで説明を簡略化する。
次に、本発明の実施の形態3による半導体装置300を、図面を用いて詳細に説明する。なお、本実施の形態では、半導体素子として1つ以上のSBD300Aが形成された半導体装置300を例に挙げる。なお、以下の説明において、本発明の実施の形態1または2と同様の構成については同一の符号を付し、その詳細な説明を省略する。
本実施の形態において、半導体装置300を個片化する前のウエハ3の上方からの概略構成は、図1(a)および図1(b)に示す概略構成と同様であるため、ここではこれを引用することで詳細な説明を省略する。また、図10は、本実施の形態によるウエハ3の層構造を示す模式図である。なお、図10では、図1(b)におけるA−A’断面と対応する断面の層構造を示す。
次に、本実施の形態による半導体装置300の製造方法を、図面を用いて詳細に説明する。図11(a)および図11(b)は、本実施の形態による半導体装置300の製造方法を示すプロセス図である。なお、以下の説明において、本発明の実施の形態1または2と同様の工程については、それを引用することで説明を簡略化する。
100、200、300 半導体装置
100A MOSFET
101 シリコン基板
101a、101b、120、120a 凸部
102、102A、102a バッファ層
103 p型半導体層
103A、103a p−GaN層
104、204 キャリア走行層
104A、104a un−GaN層
105、205 キャリア供給層
105A、105a un−AlGaN層
106 ゲート絶縁膜
106a 絶縁膜
107、207 ゲート電極
108d ドレイン電極
108s ソース電極
109 層間絶縁膜
110 メタル層
111 パッシベーション膜
200A HEMT
300A SBD
308a アノード電極
308c カソード電極
AR1 素子形成領域
S1、S2 側面
SR スクライブ領域
TR 溝
Claims (12)
- 所定基板上に形成された一層以上の化合物半導体層における素子形成領域に1つ以上の半導体素子が形成された半導体装置であって、
個片化による切断面と前記化合物半導体層における前記素子形成領域の側面との間に前記化合物半導体層を分断する溝が形成され、
前記溝は、少なくとも前記化合物半導体層から前記所定基板の内部にまで形成されていることを特徴とする半導体装置。 - 前記所定基板と前記化合物半導体層との間に、ヘテロ接合を有するバッファ層を備え、
前記溝は、バッファ層を空間的に分断していることを特徴とする請求項1記載の半導体装置。 - 前記化合物半導体は、GaN、AlGaN、BAlGaN、InGaN、GaAs、InPおよびSeGeのうち少なくとも1つを含むことを特徴とする請求項1または2記載の半導体装置。
- 前記半導体素子は、MOSFET、HEMTおよびSBDのうち少なくとも1つを含むことを特徴とする請求項1〜3のいずれか一つに記載の半導体装置。
- 配列された複数の素子形成領域と該素子形成領域間に配置されたスクライブ領域とを含む所定基板上に形成された一層以上の化合物半導体層を備えたウエハ構造体であって、
前記スクライブ領域に前記化合物半導体層における隣接する前記素子形成領域間を分断する2つの溝が形成され、
前記溝は、少なくとも前記化合物半導体層から前記所定基板の内部にまで形成されていることを特徴とするウエハ構造体。 - 前記所定基板と前記化合物半導体層との間に、ヘテロ接合を有するバッファ層を備え、
前記溝は、バッファ層を空間的に分断していることを特徴とする請求項5記載のウエハ構造体。 - 所定基板上に複数の素子形成領域を含む化合物半導体層を一層以上形成する半導体層形成工程と、
前記素子形成領域間を分断する2つの溝を前記化合物半導体層に形成する溝形成工程と、
前記分断された素子形成領域に半導体素子を形成する素子形成工程と、
を含み、
前記溝形成工程は、前記所定基板の内部にまで前記溝を形成することを特徴とする半導体装置の製造方法。 - 前記半導体層形成工程は、前記所定基板と前記化合物半導体層との間に、ヘテロ接合を有するバッファ層を形成し、
前記溝形成工程は、前記溝によりバッファ層を空間的に分断することを特徴とする請求項7記載の半導体装置の製造方法。 - 前記素子形成工程は、前記半導体素子における電極の形成を含むことを特徴とする請求項7または8記載の半導体装置の製造方法。
- 前記2つの溝の間に位置する凸部を切断することで半導体装置を個片化する個片化工程を含み、
前記凸部の上面の幅は、前記個片化工程において使用するダイシングブレードの厚さまたはレーザカッターのスポット径よりも大きいことを特徴とする請求項7〜9のいずれか一つ記載の半導体装置の製造方法。 - 前記溝形成工程は、エッチングにより前記溝を形成することを特徴とする請求項7〜10のいずれか一つに記載の半導体装置の製造方法。
- 前記化合物半導体層は、GaN、AlGaN、BAlGaN、InGaN、GaAs、InPおよびSeGeのうち少なくとも1つを含むことを特徴とする請求項7〜11のいずれか一つに記載の半導体装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008122513A JP5503113B2 (ja) | 2008-05-08 | 2008-05-08 | 半導体装置、ウエハ構造体および半導体装置の製造方法 |
US12/437,088 US8441105B2 (en) | 2008-05-08 | 2009-05-07 | Semiconductor device, wafer structure and method for fabricating semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008122513A JP5503113B2 (ja) | 2008-05-08 | 2008-05-08 | 半導体装置、ウエハ構造体および半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009272492A JP2009272492A (ja) | 2009-11-19 |
JP5503113B2 true JP5503113B2 (ja) | 2014-05-28 |
Family
ID=41266191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008122513A Active JP5503113B2 (ja) | 2008-05-08 | 2008-05-08 | 半導体装置、ウエハ構造体および半導体装置の製造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8441105B2 (ja) |
JP (1) | JP5503113B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017055014A (ja) * | 2015-09-11 | 2017-03-16 | 株式会社東芝 | 半導体装置の製造方法 |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101753583B1 (ko) * | 2010-01-28 | 2017-07-04 | 엘지전자 주식회사 | 질화물계 레이저 다이오드의 제조방법 |
JP2011171639A (ja) | 2010-02-22 | 2011-09-01 | Sanken Electric Co Ltd | 半導体装置、半導体ウェハ、半導体装置の製造方法及び半導体ウェハの製造方法 |
JP5625558B2 (ja) | 2010-02-22 | 2014-11-19 | サンケン電気株式会社 | 半導体ウェハ、及び半導体装置の製造方法 |
KR101752407B1 (ko) * | 2010-02-24 | 2017-07-11 | 엘지전자 주식회사 | 질화물 반도체 소자 제조방법 |
TWI414047B (zh) * | 2010-03-17 | 2013-11-01 | Ind Tech Res Inst | 電子元件封裝結構及其製造方法 |
EP2676294A1 (de) * | 2011-02-17 | 2013-12-25 | MicroGaN GmbH | Halbleiterbauelement mit verringerter selbstabschnürung |
WO2013021696A1 (ja) | 2011-08-05 | 2013-02-14 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 情報検索システム、方法、及びプログラム |
US9012336B2 (en) * | 2013-04-08 | 2015-04-21 | Applied Materials, Inc. | Method for conformal treatment of dielectric films using inductively coupled plasma |
JP2015050390A (ja) * | 2013-09-03 | 2015-03-16 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP6190953B2 (ja) * | 2014-05-19 | 2017-08-30 | シャープ株式会社 | 半導体ウェハ、半導体ウェハから個片化された半導体装置および半導体装置の製造方法 |
JP6565223B2 (ja) * | 2015-03-05 | 2019-08-28 | 富士通株式会社 | 半導体装置及びその製造方法、電源装置、高周波増幅器 |
JP6490459B2 (ja) * | 2015-03-13 | 2019-03-27 | 古河電気工業株式会社 | ウェハ固定テープ、半導体ウェハの処理方法および半導体チップ |
US10756084B2 (en) * | 2015-03-26 | 2020-08-25 | Wen-Jang Jiang | Group-III nitride semiconductor device and method for fabricating the same |
US11335799B2 (en) | 2015-03-26 | 2022-05-17 | Chih-Shu Huang | Group-III nitride semiconductor device and method for fabricating the same |
US10249506B2 (en) * | 2016-03-03 | 2019-04-02 | Gan Systems Inc. | GaN-on-si semiconductor device structures for high current/ high voltage lateral GaN transistors and methods of fabrication thereof |
US10283501B2 (en) * | 2016-03-03 | 2019-05-07 | Gan Systems Inc. | GaN-on-Si semiconductor device structures for high current/ high voltage lateral GaN transistors and methods of fabrication thereof |
US11557667B2 (en) * | 2017-09-30 | 2023-01-17 | Intel Corporation | Group III-nitride devices with improved RF performance and their methods of fabrication |
JP7059556B2 (ja) * | 2017-10-05 | 2022-04-26 | 富士電機株式会社 | 半導体装置 |
US11121229B2 (en) | 2017-12-28 | 2021-09-14 | Vanguard International Semiconductor Corporation | Methods of fabricating semiconductor structures and high electron mobility transistors |
CN109686782B (zh) * | 2018-12-18 | 2021-11-12 | 吉林华微电子股份有限公司 | 半导体器件及其制作方法 |
CN111656517A (zh) | 2020-04-10 | 2020-09-11 | 英诺赛科(珠海)科技有限公司 | 半导体装置及其制造方法 |
US11450748B2 (en) * | 2020-05-28 | 2022-09-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device and manufacturing method thereof |
US20220139709A1 (en) * | 2020-11-05 | 2022-05-05 | International Business Machines Corporation | Confined gallium nitride epitaxial layers |
CN114582725A (zh) * | 2020-11-30 | 2022-06-03 | 华润微电子(重庆)有限公司 | GaN器件结构及其制备方法 |
CN112687543B (zh) * | 2020-12-09 | 2021-09-03 | 上海芯导电子科技股份有限公司 | 一种氮化镓器件的制备方法及终端结构 |
US20220392856A1 (en) * | 2021-06-03 | 2022-12-08 | Nxp Usa, Inc. | Wafer with semiconductor devices and integrated electrostatic discharge protection |
WO2024052968A1 (ja) | 2022-09-05 | 2024-03-14 | 株式会社レゾナック | 半導体装置の製造方法、及び構造体 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5213994A (en) * | 1989-05-30 | 1993-05-25 | Motorola, Inc. | Method of making high voltage semiconductor device |
JPH03283637A (ja) * | 1990-03-30 | 1991-12-13 | Fujitsu Ltd | 半導体装置 |
US5422286A (en) * | 1994-10-07 | 1995-06-06 | United Microelectronics Corp. | Process for fabricating high-voltage semiconductor power device |
CN1097849C (zh) | 1996-06-07 | 2003-01-01 | 罗姆股份有限公司 | 半导体芯片及半导体芯片的制造方法 |
US6724084B1 (en) * | 1999-02-08 | 2004-04-20 | Rohm Co., Ltd. | Semiconductor chip and production thereof, and semiconductor device having semiconductor chip bonded to solid device |
KR100314133B1 (ko) * | 1999-11-26 | 2001-11-15 | 윤종용 | 가장자리에 흡습방지막이 형성된 반도체 칩 및 이흡습방지막의 형성방법 |
JP2003332270A (ja) * | 2002-05-15 | 2003-11-21 | Renesas Technology Corp | 半導体装置およびその製造方法 |
JP2004055852A (ja) * | 2002-07-19 | 2004-02-19 | Ricoh Co Ltd | 半導体装置及びその製造方法 |
JP2005012206A (ja) * | 2003-05-29 | 2005-01-13 | Mitsubishi Cable Ind Ltd | 窒化物系半導体素子およびその製造方法 |
JP4439976B2 (ja) * | 2004-03-31 | 2010-03-24 | Necエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
JP4609985B2 (ja) * | 2004-06-30 | 2011-01-12 | ルネサスエレクトロニクス株式会社 | 半導体チップおよびその製造方法ならびに半導体装置 |
US20060278957A1 (en) * | 2005-06-09 | 2006-12-14 | Zong-Huei Lin | Fabrication of semiconductor integrated circuit chips |
CN101512783B (zh) * | 2006-05-02 | 2011-07-27 | 三菱化学株式会社 | 半导体发光元件 |
JP2008071870A (ja) * | 2006-09-13 | 2008-03-27 | Toshiba Corp | 半導体素子の製造方法 |
US8159254B2 (en) * | 2008-02-13 | 2012-04-17 | Infineon Technolgies Ag | Crack sensors for semiconductor devices |
JP2011171639A (ja) * | 2010-02-22 | 2011-09-01 | Sanken Electric Co Ltd | 半導体装置、半導体ウェハ、半導体装置の製造方法及び半導体ウェハの製造方法 |
JP5625558B2 (ja) * | 2010-02-22 | 2014-11-19 | サンケン電気株式会社 | 半導体ウェハ、及び半導体装置の製造方法 |
-
2008
- 2008-05-08 JP JP2008122513A patent/JP5503113B2/ja active Active
-
2009
- 2009-05-07 US US12/437,088 patent/US8441105B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017055014A (ja) * | 2015-09-11 | 2017-03-16 | 株式会社東芝 | 半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2009272492A (ja) | 2009-11-19 |
US20090278236A1 (en) | 2009-11-12 |
US8441105B2 (en) | 2013-05-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5503113B2 (ja) | 半導体装置、ウエハ構造体および半導体装置の製造方法 | |
US20230369449A1 (en) | Method of forming a high electron mobility transistor | |
US10325910B2 (en) | Semiconductor device containing HEMT and MISFET and method of forming the same | |
US9614046B2 (en) | Semiconductor devices with a thermally conductive layer | |
US8716756B2 (en) | Semiconductor device | |
US9793371B2 (en) | Method of forming a high electron mobility transistor | |
US20170092738A1 (en) | High Electron Mobility Transistor and Method of Forming the Same | |
US10115813B2 (en) | Semiconductor structure and method of forming the same | |
CN103715253B (zh) | 化合物半导体器件和其制造方法 | |
JP2008078486A (ja) | 半導体素子 | |
JP5468761B2 (ja) | 半導体装置、ウエハ構造体および半導体装置の製造方法 | |
CN105826252A (zh) | 半导体装置及其制造方法 | |
US20230387286A1 (en) | Nitride semiconductor device | |
US9018677B2 (en) | Semiconductor structure and method of forming the same | |
US11862721B2 (en) | HEMT semiconductor device with a stepped sidewall | |
JP5608969B2 (ja) | 化合物半導体装置及びその製造方法 | |
JP2003142501A (ja) | GaN系電界効果トランジスタ及びその製造方法 | |
US20160211225A1 (en) | Semiconductor device and manufacturing method thereof | |
JP6166508B2 (ja) | 半導体装置及び半導体装置の製造方法 | |
JP2015119028A (ja) | 半導体装置、電界効果トランジスタ、およびダイオード | |
US9922936B1 (en) | Semiconductor lithography alignment feature with epitaxy blocker | |
CN112117328A (zh) | 半导体装置及其制造方法 | |
US20240304710A1 (en) | Hemt device having improved on-state performance and manufacturing process thereof | |
WO2024040513A1 (en) | Semiconductor device and method for manufacturing the same | |
WO2023164821A1 (en) | Semiconductor device and method for manufacturing the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110401 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130522 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130528 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130729 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140225 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140314 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5503113 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |