CN206516636U - A kind of germanium window cover - Google Patents
A kind of germanium window cover Download PDFInfo
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- CN206516636U CN206516636U CN201621327571.7U CN201621327571U CN206516636U CN 206516636 U CN206516636 U CN 206516636U CN 201621327571 U CN201621327571 U CN 201621327571U CN 206516636 U CN206516636 U CN 206516636U
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- germanium window
- main body
- cover plate
- plate main
- germanium
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Abstract
The utility model provides a kind of germanium window cover, including cover plate main body, and the cover plate main body is provided with germanium window weld zone, and U-lag is provided between the germanium window weld zone and the cover plate main body.The utility model is simple in construction, can effectively alleviate welding stress in encapsulation process, can effectively alleviate chamber pressure after packaging, be unlikely to deform, and packaging effect is good.
Description
Technical field
The utility model belongs to infrared detector technical field of sealing technology, and in particular to a kind of germanium window cover.
Background technology
Germanium window and metal cover board are the core components of infrared detector, in the encapsulation process of the infrared sensor of plurality of specifications
In, traditional infrared ray sensor encapsulation technology is to first pass through germanium window and metal cover board being welded together to form an entirety,
Whole germanium window cover is packaged together by a variety of vacuum encapsulation process and pedestal (shell) again, so as to form certain closed
Vacuum cavity, and usually used in process is planar metal cover plate, traditional planar metal cover plate can be after packaging
The pressure of 1 atmospheric pressure is born, along with stress can be produced during welding germanium window cover, traditional plane germanium is easily caused
Window cover is deformed, the sealing after influence encapsulation, is finally easily caused device gas leakage and is failed.
A kind of infrared detector package casing (notification number CN205248285U) of patent discloses a kind of infrared detector envelope
Casing, is made up of housing, outer lead, and the material of housing is ceramics, and housing, which is provided with cavity, housing, printed wire, draws outside
Line is electrically connected with printed wire；Enclosure interior is disposed with the positioning table being parallel to each other and anti-overflow by bottom to openend,
The wherein level of positioning table control electronics, anti-overflow casting glue when preventing filling overflows anti-overflow.The utility model is led to
The problem of crossing change material and improve sealing device air-tightness is unstable in the harsh environment such as high temperature or low temperature, and do not solve
The problem of influence that potted element is stressed with welding stress after packaging produces deformation, influence air-tightness.
Utility model content
For above-mentioned deficiency, the utility model alleviates welding stress there is provided a kind of simple in construction in encapsulation process,
The germanium window cover of chamber pressure can be alleviated after encapsulation, the utility model provides following technical scheme：
A kind of germanium window cover, including cover plate main body, the cover plate main body are provided with rectangle germanium window weld zone, the germanium window weldering
Connect and U-lag is provided between area and the cover plate main body, the depth of the U-lag is 2-20mm.
It is preferred that, the cover plate main body using can valve alloy, kovar alloy has good expansion system in 20-450 DEG C
Number, ensure that germanium window cover sealing is good, stability is good, extends the service life of sealing device.
It is preferred that, the germanium window body surfaces use gold-plated processing, improve conduction of the sealing device to infrared detector
Property, while can also preservation antioxidation, the service life of further extension sealing device.
Compared with prior art, the beneficial effects of the utility model are：It is simple in construction；It is reasonable in design；Service life is long；Energy
It is enough effectively to alleviate the extraneous stress being subject in seal process；With good sealing.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, the reality with the present invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the utility model positive structure schematic；
Fig. 2 is the utility model reverse structure schematic；
Fig. 3 is the utility model structural representation；
Marked in figure：1st, cover plate main body；2nd, germanium window weld zone；3rd, U-type groove；31st, stress relief hole.
Embodiment
The utility model is further described below in conjunction with drawings and examples：
Embodiment one：As depicted in figs. 1 and 2, a kind of germanium window cover, including cover plate main body 1, cover plate main body 1 is provided with germanium
Window weld zone 2, is provided with U-lag 3, the depth of the U-lag 3 is 2-20mm, cover plate between germanium window weld zone 2 and cover plate main body 1
Main body 1 using can valve alloy, the surface of germanium window main body 1 use gold-plated processing, improve conduction of the sealing device to infrared detector
Property, while can also preservation antioxidation, the service life of further extension sealing device.
Comparative example：A kind of germanium window cover, including cover plate main body, the cover plate main body are provided with germanium window weld zone.
Selection states embodiment one and is related to each 20 of cover plate with comparative example, is divided into two groups, carries out failtests, test result
It is shown in Table 1：
As the test result in table show, the utility model stores in thermal shock, temperature cycles, high temperature storage, low temperature, shaken
Show good reliability in dynamic test and the test experiments of impact test, qualification rate is up to 99.99%, and conventional cover plate
Qualification rate be only 55%, tested by this, it is strong to prove that the utility model is a kind of high reliability, can effectively alleviate stress
Germanium window cover.
Embodiment two：As shown in figure 3, a kind of germanium window cover, including cover plate main body 1, cover plate main body 1 is provided with the welding of germanium window
Area 2, is provided with U-lag 3, the depth of the U-type groove 3 is 10mm, in order to strengthen germanium window between germanium window weld zone 2 and cover plate main body 1
Cover plate alleviates the ability of stress and counter pressure, and some stress relief holes 31, cover plate main body 1 can be provided with the U-lag
Using can valve alloy, the surface of germanium window main body 1 use gold-plated processing, improve electric conductivity of the sealing device to infrared detector, together
When can also preservation antioxidation, further extension sealing device service life.
Embodiment three：As shown in figure 3, a kind of germanium window cover, including cover plate main body 1, cover plate main body 1 is provided with the welding of germanium window
Area 2, is provided with U-lag 3, the depth of the U-type groove 3 is 10mm, in order to strengthen germanium window between germanium window weld zone 2 and cover plate main body 1
Cover plate alleviates the ability of stress and counter pressure, equidistant provided with four stress relief holes 31, cover plate main body 1 on the U-lag
Using can valve alloy, the surface of germanium window main body 1 use gold-plated processing, improve electric conductivity of the sealing device to infrared detector, together
When can also preservation antioxidation, further extension sealing device service life.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality
Within new protection domain.
Claims (5)
1. a kind of germanium window cover, including cover plate main body, it is characterised in that the cover plate main body is provided with germanium window weld zone, described
U-lag is provided between germanium window weld zone and the cover plate main body.
2. a kind of germanium window cover according to claim 1, it is characterised in that the shape of the germanium window weld zone is rectangle.
3. a kind of germanium window cover according to claim 1, it is characterised in that the depth of the U-lag is 2-20mm.
4. a kind of germanium window cover according to claim 1, it is characterised in that the cover plate main body uses kovar alloy.
5. a kind of germanium window cover according to claim 2, it is characterised in that the germanium window body surfaces use gold-plated place
Reason.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327571.7U CN206516636U (en) | 2016-12-06 | 2016-12-06 | A kind of germanium window cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327571.7U CN206516636U (en) | 2016-12-06 | 2016-12-06 | A kind of germanium window cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516636U true CN206516636U (en) | 2017-09-22 |
Family
ID=59861992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621327571.7U Active CN206516636U (en) | 2016-12-06 | 2016-12-06 | A kind of germanium window cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516636U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990925A (en) * | 2017-12-01 | 2018-05-04 | 合肥芯欣智能科技有限公司 | A kind of high leakproofness optical window |
| CN109743857A (en) * | 2019-01-07 | 2019-05-10 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Antivibration electronic component encapsulating structure |
-
2016
- 2016-12-06 CN CN201621327571.7U patent/CN206516636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990925A (en) * | 2017-12-01 | 2018-05-04 | 合肥芯欣智能科技有限公司 | A kind of high leakproofness optical window |
| CN109743857A (en) * | 2019-01-07 | 2019-05-10 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | Antivibration electronic component encapsulating structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190425 Address after: 200082 Shanghai Yangpu Military Industrial Road 1599 Building 5 Floors (Centralized Registration Place) Patentee after: SHANGHAI JINGDING OPTOELECTRONIC TECHNOLOGY CO., LTD. Address before: 230000 No. 260 Jixi Road, Shushan District, Hefei City, Anhui Province Patentee before: Hefei core Intelligent Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200927 Address after: 215000 Jiangsu Province, Suzhou City Industrial Park, Lou Yang Road 6 new technology industrial workshop, three 2-1-B, 2-2-B Patentee after: SUZHOU JINGXING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 200082 Shanghai Yangpu District Military Road No. 1599 1 Building 5 (centralized registration) Patentee before: SHANGHAI JINGDING PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2-1-b, 2-2-b, phase III, Zhongxin Technology Industrial Park, no.6, Louyang Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Houpu Sensing Technology Co.,Ltd. Address before: 2-1-b, 2-2-b, phase III, Zhongxin Technology Industrial Park, no.6, Louyang Road, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU JINGXING PHOTOELECTRIC TECHNOLOGY CO.,LTD. |