CN206250205U - Photosensitive tube and optical filter combined packaging structure - Google Patents
Photosensitive tube and optical filter combined packaging structure Download PDFInfo
- Publication number
- CN206250205U CN206250205U CN201621101726.5U CN201621101726U CN206250205U CN 206250205 U CN206250205 U CN 206250205U CN 201621101726 U CN201621101726 U CN 201621101726U CN 206250205 U CN206250205 U CN 206250205U
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- Prior art keywords
- pin
- optical filter
- receiving space
- specific wavelength
- photosensitive tube
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- 230000003287 optical effect Effects 0.000 title claims abstract description 41
- 238000004806 packaging method and process Methods 0.000 title abstract 5
- 239000000565 sealant Substances 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims description 16
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000035807 sensation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- STTCDNLESVYWPH-UHFFFAOYSA-N benzene-1,4-diamine;terephthalic acid Chemical compound NC1=CC=C(N)C=C1.OC(=O)C1=CC=C(C(O)=O)C=C1 STTCDNLESVYWPH-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The embodiment of the utility model provides a be applicable to semiconductor package technical field, provide a photosensitive tube and light filter combination packaging structure. The packaging structure comprises a light sensing chip, a lead, a first pin, a second pin, a specific wavelength optical filter and sealant, wherein the first pin is electrically connected with the light sensing chip, the second pin is electrically connected with the light sensing chip through the lead, and the first pin, the second pin and the light sensing chip are packaged through the sealant to form an integrated support; the first pin and the second pin are arranged on the periphery of the sealant in a surrounding mode to form a surface-mounted packaging structure, the inside of the integrated support is provided with a containing cavity, the light sensing chip is contained at the bottom of the containing cavity, and the specific wavelength filter cover is arranged on an opening of the containing cavity. The utility model discloses a photosensitive tube and light filter combination packaging structure only need can accomplish the equipment with specific wavelength light filter spiral-lock holding intracavity on the integral type support, and it has simple structure, advantage with low costs and that production efficiency is high.
Description
Technical field
The utility model belongs to technical field of semiconductor encapsulation, more particularly to a kind of photosensitive tube and optical filter assembled package knot
Structure.
Background technology
In recent years, environmental consciousness has been the common recognition of all mankind.Global component supplier progressively develops various replacing
Have to rely on and certain wave is inlayed inside encapsulation for the photosensitive tube material of conventional vulcanized cadmium photo resistance, but most of photosensitive tube material
The mode of long length filter pipe cap realizes, and the specific wavelength optical filter inlayed in pipe cap be also required to filter specific wavelength it is on chip
Assigned in pipe cap.This mounting means is only limitted to the photosensitive tube material of inline package, but is directed to using paster LED lamp bead material
Control panel, photosensitive tube miniature requirement is very strong.Between the market demand, each component supplier progressively develops of all kinds
Install the mode of specific wavelength optical filter additional.
As shown in Figure 1 to Figure 3, it is assembled package knot that existing direct insertion photosensitive tube material installs specific wavelength optical filter additional
The structure schematic diagram encapsulating structures are that the wire 4 of light sense chip 3, the first pin 5, second pin 6 and connection is packaged in into colloid 7
Interior, colloid 7 is socketed in pipe cap 1, and specific wavelength optical filter 2 is installed in pipe cap 1, and this structure is added using combination twice
The mode of dress haves the shortcomings that cost of labor is high and low production efficiency.
Utility model content
The utility model embodiment technical problem to be solved is to provide a kind of photosensitive tube and optical filter assembled package
Structure, it is intended to solve the assembled package structure presence that direct insertion photosensitive tube material of the prior art installs specific wavelength optical filter additional
Cost of labor is high and the problem of low production efficiency.
The utility model embodiment is achieved in that a kind of photosensitive tube of offer combines encapsulating structure with optical filter, its bag
Include light sense chip, wire, the first pin, second pin, specific wavelength optical filter and fluid sealant, first pin with it is described
Light sense chip is electrically connected with, and the second pin is electrically connected with by the wire with the smooth sense chip, the first pin, second
Pin and light sense chip are encapsulated by the fluid sealant, form integrated bracket；Wherein, first pin and second pin are enclosed
It is located at the periphery of the fluid sealant, forms SMD encapsulating structure, the integrated bracket is internally formed accommodating chamber, described
Light sense chip is contained in the bottom of the accommodating chamber, and the specific wavelength optical filter is covered on the opening of the accommodating chamber.
Further, the accommodating chamber includes interconnected first receiving space and the second receiving space, described first
Form a stage portion between receiving space and the second receiving space, the part of the smooth sense chip and the wire is located at described
In first receiving space, the light sensation chip bottom is electrically connected with first pin, another part encapsulation of the wire
In the fluid sealant, the specific wavelength optical filter is embedded in second receiving space, and is resisted against the stage portion
On.
Further, the axial cross section of the first receiving space is in bowl shape, and the specific wavelength optical filter is covered on
Described first enlarging one end for holding space.
Further, epoxy resin is filled with the first receiving space.
Further, the inwall of second receiving space is provided with the card for fixing the specific wavelength optical filter
Button.
Compared with prior art, beneficial effect is the utility model embodiment：The first pin, in the utility model
Two pins and light sense chip are packaged as a whole formula support by fluid sealant, and are internally formed accommodating chamber in integrated bracket.
Wherein, the first pin, second pin are enclosed located at the periphery of integrated bracket, form paster type encapsulation structure, and light sense chip is housed
In the bottom of integrated bracket, specific wavelength optical filter is covered on the opening of accommodating chamber.The encapsulating structure is only needed to certain wave
Long length filter completes assembling by being installed on integrated bracket, it has the advantages that simple structure, easy to assembly, it is to avoid pass
Direct insertion photosensitive tube material of uniting install additional specific wavelength optical filter using cost of labor that the packaged type that combines twice is present it is high and
The problem of low production efficiency.
Brief description of the drawings
Fig. 1 is that the direct insertion photosensitive tube material that prior art is provided installs the assembled package structure of specific wavelength optical filter additional and shows
It is intended to；
Fig. 2 is the overlooking the structure diagram of Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of Fig. 1；
Fig. 4 is the photosensitive tube and optical filtering chip package schematic diagram that the utility model embodiment is provided；
Fig. 5 is the overlooking the structure diagram of Fig. 4；
Fig. 6 is the decomposition texture schematic diagram of Fig. 4.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
As shown in Figures 4 to 6, it is that the photosensitive tube of the utility model embodiment and optical filter combine encapsulating structure one preferably in fact
Apply example.The photosensitive tube combined with optical filter encapsulating structure including light sense chip 11, wire 12, the first pin 13, second pin 14,
Specific wavelength optical filter 20 and fluid sealant 15.First pin 13 is electrically connected with light sense chip 11, and second pin 14 is by leading
Line 12 is electrically connected with light sense chip 11, and the first pin 13, second pin 14 and light sense chip 11 are encapsulated by fluid sealant 15, shape
Integrated support 10.Wherein, the first pin 13 and second pin 14 enclose the periphery for being located at fluid sealant 15, form SMD envelope
Assembling structure.Integrated bracket 10 is internally formed accommodating chamber 30, and light sense chip 11 is contained in the bottom of accommodating chamber 30, specific wavelength
Optical filter 20 is covered on the opening of accommodating chamber 30.Fluid sealant in the present embodiment is moulded using PPA (poly- terephthalate p-phenylenediamine)
Material encapsulation.
In above-described embodiment, accommodating chamber 30 includes the interconnected receiving space 32 of first receiving space 31 and second, the
One is formed between one receiving space 31 and the second receiving space 32 is used to carry the stage portion 33 of specific wavelength optical filter 20.Light sensation
A part for chip 11 and wire 12 is located in first receiving space 31, and the bottom of light sense chip 11 is welded on first and draws by die bond
On pin 13, it is set to be electrically connected with the first pin 13；Another part of wire 12 is encapsulated in fluid sealant 15.Specific wavelength filters
Piece 20 is embedded in the second receiving space 32, and is resisted against in stage portion 33.Specific wavelength optical filter 20 in the present embodiment
Wave-length coverage is preferably 400~700nm, in other embodiments, can according to demand select the wavelength in particular range.On
Filled with epoxy resin in the first receiving space 31 stated, and its axial cross section is in bowl shape, plays certain guide-lighting effect.
The specific wavelength optical filter 20 being placed in the second receiving space 32 is covered on the enlarging one end in the first appearance space 31, and second
The inwall of receiving space 32 is provided with the buckle 320 for fixing specific wavelength optical filter 20.
The utility model embodiment additionally provides a kind of photosensitive tube as described above and adding for encapsulating structure is combined with optical filter
Work technique, the processing technology is comprised the following steps：
A, by metal stamping, be molded the first pin 13 and second pin 14.
Light sense chip 11 is welded by die bond on b, the first pin 13, light sense chip 11 is drawn by welding lead 12 with second
Pin 14 is connected, and then carries out injection parcel by fluid sealant 15, forms integrated bracket 10, makes the first pin 13 and second pin
14 enclose the periphery for being located at fluid sealant 15, form SMD encapsulating structure, and accommodating chamber 30, light are formed on integrated bracket 10
Sense chip 11 is located at the bottom of accommodating chamber 30.
C, the setting buckle 320 at the opening of accommodating chamber 30, press specific wavelength optical filter 20 from the opening of accommodating chamber 30
Enter in the second receiving space 32, and fixed by buckle 320.
In sum, the photosensitive tube of the utility model embodiment combines encapsulating structure with optical filter and only needs to specific wavelength
The spiral-lock of optical filter 20 in the accommodating chamber 30 on integrated bracket 10, i.e. once combine and just can complete assembling by use；It has knot
Structure is simple, easy to assembly, low cost and production efficiency advantage high, it is to avoid traditional direct insertion photosensitive tube material installs specific additional
Wavelength filter problem high using the cost of labor that the packaged type for combining twice is present and low production efficiency.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of photosensitive tube combines encapsulating structure with optical filter, including light sense chip, wire, the first pin, second pin, specific
Wavelength filter and fluid sealant, first pin are electrically connected with the smooth sense chip, and the second pin is by described
Wire is electrically connected with the smooth sense chip, it is characterised in that first pin, second pin and light sense chip are by described
Fluid sealant is encapsulated, and forms integrated bracket；Wherein, first pin and second pin enclose the periphery for being located at the fluid sealant,
Form SMD encapsulating structure, the integrated bracket is internally formed accommodating chamber, and the smooth sense chip is contained in the appearance
Receive the bottom in chamber, the specific wavelength optical filter is covered on the opening of the accommodating chamber.
2. photosensitive tube as claimed in claim 1 combines encapsulating structure with optical filter, it is characterised in that the accommodating chamber includes phase
Intercommunicated first receiving space and the second receiving space, forms one between the first receiving space and the second receiving space
A part for rank portion, the smooth sense chip and the wire be located at the first receiving space in, the light sensation chip bottom with
First pin is electrically connected with, and another part of the wire is encapsulated in the fluid sealant, the specific wavelength optical filter
It is embedded in second receiving space, and is resisted against in the stage portion.
3. photosensitive tube as claimed in claim 2 combines encapsulating structure with optical filter, it is characterised in that the first receiving space
Axial cross section be in bowl shape, the specific wavelength optical filter be covered on it is described first hold space enlarging one end.
4. photosensitive tube as claimed in claim 2 combines encapsulating structure with optical filter, it is characterised in that the first receiving space
It is interior filled with epoxy resin.
5. photosensitive tube as claimed in claim 2 combines encapsulating structure with optical filter, it is characterised in that second receiving space
Inwall be provided with buckle for fixing the specific wavelength optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101726.5U CN206250205U (en) | 2016-09-30 | 2016-09-30 | Photosensitive tube and optical filter combined packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101726.5U CN206250205U (en) | 2016-09-30 | 2016-09-30 | Photosensitive tube and optical filter combined packaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250205U true CN206250205U (en) | 2017-06-13 |
Family
ID=58995690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621101726.5U Active CN206250205U (en) | 2016-09-30 | 2016-09-30 | Photosensitive tube and optical filter combined packaging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206250205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987384A (en) * | 2018-08-23 | 2018-12-11 | 青岛海诺特电器有限公司 | A kind of light sensitive resistor photoelectric coupler and production method |
-
2016
- 2016-09-30 CN CN201621101726.5U patent/CN206250205U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987384A (en) * | 2018-08-23 | 2018-12-11 | 青岛海诺特电器有限公司 | A kind of light sensitive resistor photoelectric coupler and production method |
| CN108987384B (en) * | 2018-08-23 | 2023-10-31 | 青岛海诺特电器有限公司 | Photoresistor photoelectric coupler and manufacturing method thereof |
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| GR01 | Patent grant |