CN206412370U - A kind of offest electrode lid - Google Patents
A kind of offest electrode lid Download PDFInfo
- Publication number
- CN206412370U CN206412370U CN201720116744.9U CN201720116744U CN206412370U CN 206412370 U CN206412370 U CN 206412370U CN 201720116744 U CN201720116744 U CN 201720116744U CN 206412370 U CN206412370 U CN 206412370U
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- electrode
- axis
- base
- cap body
- shrinkage pool
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Abstract
The utility model discloses a kind of offest electrode lid, it includes electrode cap body, the inside of the electrode cap body is provided with a shrinkage pool, provided with an adjustment spacing between the axis of the axis of the shrinkage pool and the electrode cap body, the bottom of the shrinkage pool is additionally provided with a through hole, the axis collinear of the axis of the through hole and the electrode cap body, and the through hole is engaged with the base of outside photodiode, wherein, bottom electrode is provided with the shrinkage pool, the bottom electrode is engaged with the lens hood of the photodiode, and it is additionally provided with chip on the base, eccentric throw between the exiting surface of the chip and the base is equal with the adjustment spacing.The utility model in the inside of electrode cap body by setting a shrinkage pool, and make the presence of an adjustment spacing between the axis of shrinkage pool and the axis of electrode cap body, then the exiting surface of chip and the eccentric throw of base are arranged to equal with adjustment spacing, so as to improve the concentricity of lens hood and chip.
Description
Technical field
The utility model is related to photodiode technologies field, more particularly to a kind of offest electrode lid.
Background technology
Existing photodiode, in order to ensure the concentric of lens hood and chip, is generally adopted in the process of encapsulation sealing cap
Positioned with bottom electrode and electrode cap as fixture, still, electrode cap is mainly the spacing of lens hood and base is protected
The concentric of lens hood and chip is demonstrate,proved, and there is eccentric situation between the exiting surface of chip and base sometimes, so as to cause lens
The concentricity of cap and chip does not reach requirement.
Utility model content
The utility model is mainly the technical problem solved in the presence of prior art, thus provide a kind of concentricity it is high,
The offest electrode lid of effective Improving The Quality of Products.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
The offest electrode lid that the utility model is provided, it includes electrode cap body, and the inside of the electrode cap body is provided with
Provided with an adjustment spacing, the bottom of the shrinkage pool between the axis of one shrinkage pool, the axis of the shrinkage pool and the electrode cap body
It is additionally provided with a through hole, the axis collinear of the axis of the through hole and the electrode cap body, and the through hole and outside photoelectricity
The base of diode is engaged, wherein, bottom electrode is provided with the shrinkage pool, the bottom electrode is saturating with the photodiode
Mirror cap is engaged, and chip is additionally provided with the base, the eccentric throw between the exiting surface of the chip and the base with
The adjustment spacing is equal.
Further, the bottom electrode is additionally provided with a fillet with the lens hood contact position.
Further, the depth of the through hole is more than the thickness of the base.
Further, the upper surface of the base is additionally provided with pin, and the outer cover of the pin is provided with Top electrode.
The beneficial effects of the utility model are：By setting a shrinkage pool in the inside of electrode cap body, and make shrinkage pool
There is an adjustment spacing between the axis of axis and electrode cap body, then the eccentric throw of the exiting surface of chip and base is set
Into equal with adjustment spacing, so as to improve the concentricity of lens hood and chip, and then the quality of product is improved.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
In Fig. 1, Fig. 1 a and Fig. 1 b are the front view and top view of offest electrode lid of the present utility model respectively；
Fig. 2 is the use state figure of offest electrode lid of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
Refering to shown in Fig. 1-2, offest electrode lid of the present utility model, it includes electrode cap body 1, electrode cap body 1
Inside is provided with a shrinkage pool 2, provided with an adjustment spacing, the bottom of shrinkage pool 2 between the axis of shrinkage pool 2 and the axis of electrode cap body 1
It is additionally provided with a through hole 3, the axis of through hole 3 and the axis collinear of electrode cap body 1, and through hole 3 and outside photodiode 4
Base 5 is engaged, wherein, bottom electrode 6 is provided with shrinkage pool 2, bottom electrode 6 is engaged with the lens hood 8 of photodiode 4, with
And chip 9 is additionally provided with base 5, the eccentric throw between the exiting surface and base 5 of chip 9 is equal with adjustment spacing.
The utility model makes the axis and electrode cap of shrinkage pool 2 by setting a shrinkage pool 2 in the inside of electrode cap body 1
There is an adjustment spacing between the axis of body 1, then the eccentric throw of the exiting surface of chip 9 and base 5 is arranged to and adjusted
Spacing is equal, so as to improve the concentricity of lens hood 8 and chip 9, and then improves the quality of product.
Preferably, in order to avoid the scratch between bottom electrode 6 and lens hood 8, bottom electrode 6 is also set with the contact position of lens hood 8
There is a fillet 10.
And in order to ensure to ensure integrally-built stabilization in effective contact area of base 5 and through hole 3, lifting encapsulation process
Property, the depth of through hole 3 is more than the thickness of base 5.
In the utility model, the upper surface of base 5 is additionally provided with pin 11, and the outer cover of pin 1 is provided with Top electrode 7.Profit
Encapsulation sealing cap process is completed with the collective effect of electrode 7 and bottom electrode 6.
More than, embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto,
Any change or replacement expected without creative work, should all cover within protection domain of the present utility model.Therefore,
Protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of offest electrode lid, it is characterised in that including electrode cap body, the inside of the electrode cap body is recessed provided with one
Provided with an adjustment spacing between the axis of hole, the axis of the shrinkage pool and the electrode cap body, the bottom of the shrinkage pool is also set
There are a through hole, the axis collinear of the axis of the through hole and the electrode cap body, and the through hole and the outside pole of photoelectricity two
The base of pipe is engaged, wherein, bottom electrode, the lens hood of the bottom electrode and the photodiode are provided with the shrinkage pool
Be engaged, and chip be additionally provided with the base, the eccentric throw between the exiting surface of the chip and the base with it is described
Adjust spacing equal.
2. offest electrode lid as claimed in claim 1, it is characterised in that the bottom electrode is also set with the lens hood contact position
There is a fillet.
3. offest electrode lid as claimed in claim 2, it is characterised in that the depth of the through hole is more than the thickness of the base
Degree.
4. offest electrode lid as claimed in claim 3, it is characterised in that the upper surface of the base is additionally provided with pin, described
The outer cover of pin is provided with Top electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116744.9U CN206412370U (en) | 2017-02-08 | 2017-02-08 | A kind of offest electrode lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720116744.9U CN206412370U (en) | 2017-02-08 | 2017-02-08 | A kind of offest electrode lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412370U true CN206412370U (en) | 2017-08-15 |
Family
ID=59557560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720116744.9U Active CN206412370U (en) | 2017-02-08 | 2017-02-08 | A kind of offest electrode lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480844A (en) * | 2018-06-27 | 2018-09-04 | 潍坊华光光电子有限公司 | A kind of semiconductor laser pipe cap welds quick concentric device and its working method |
-
2017
- 2017-02-08 CN CN201720116744.9U patent/CN206412370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480844A (en) * | 2018-06-27 | 2018-09-04 | 潍坊华光光电子有限公司 | A kind of semiconductor laser pipe cap welds quick concentric device and its working method |
| CN108480844B (en) * | 2018-06-27 | 2024-04-30 | 潍坊华光光电子有限公司 | Quick concentric device for welding pipe caps of semiconductor laser and working method of quick concentric device |
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