CN104485297B - Pill encapsulates light-sensitive device test conversion fixture - Google Patents
Pill encapsulates light-sensitive device test conversion fixture Download PDFInfo
- Publication number
- CN104485297B CN104485297B CN201410790981.4A CN201410790981A CN104485297B CN 104485297 B CN104485297 B CN 104485297B CN 201410790981 A CN201410790981 A CN 201410790981A CN 104485297 B CN104485297 B CN 104485297B
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- Prior art keywords
- plate
- electrical connection
- test
- pill
- pressure strip
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/30—Structural arrangements specially adapted for testing or measuring during manufacture or treatment, or specially adapted for reliability measurements
Abstract
The Pill encapsulation light-sensitive device test conversion fixtures of the present invention, including the pressure strip (1), limiting plate (2), intermediate plate (3) and electrical connection plate (4) that dispose successively from top to bottom, by location hole and the matching design of Positioning screw, the tight plain cushion of signature and plate nut, pressure strip (1), limiting plate (2), intermediate plate (3) and electrical connection (4) four plates of plate are positioned together.Spacing, compression of the present invention by four plates to measured device, originally it was only applicable to the test adapter that the test adapter overall transformation with pin photoelectric device is the photoelectric device suitable for pill encapsulation, solve the test problem that pill encapsulates photoelectric device, it is continuing with existing special test equipment, save substantial amounts of cost, simultaneously, by the close contact of measured device surface electrode colelctor electrode c and reed electrode (15), contact resistance is reduced, test effect is improve.
Description
Technical field
It is the invention belongs to aerospace components and parts technical field, more particularly to a kind of for light-sensitive device test conversion fixture
Design.
Background technology
Electric performance test is in the test of aerospace components and parts upscreen and the requisite important tests of reliability test
Hold, and the test of photoelectricity class device has its particularity, except the test of electrical domain also add the test of optical arena, in test handss
It is in section to adopt special photoelectricity class testing equipment more.It is using band outer lead form encapsulation (example that photoelectricity class device is traditionally mostly
As TO is encapsulated), special test equipment is also designing for leaded package.
With the raising of China's aerospace flight technology level, wanting in terms of the lightweight, microminaturization and reliability to components and parts
Seek also more and more higher.The microminiature light-sensitive device of similar OP604 is occurred in that, the device is encapsulated using pill formulas, its profile is class
The cylinder of capsule, long 2.59mm are similar to, upper and lower basal diameter is only 1.50mm, and volume is traditional similar TO packagings
1/10。
There are 3 big difficult points during such micro devices is tested：(1) test clip on original special test equipment adapter
Tool is designed as female type or jack type, the more device suitable for encapsulating with lead form, it is impossible to test such microminiature pill
Formula packaging.(2) device size is small, and electrode size is less, beyond hand operation and the limit of range estimation.(3) pill is electric
Pole design form is special, and one is located above insulating barrier, and is symmetrically distributed in device both sides；Which two is dispersed throughout device below insulating barrier
The periphery (contain side and bottom surface) of part, the side of the electrode design of this kind of specific form in test according to direct wiring
Method can cause electrical connection unstable and cause test data inaccurate.
The content of the invention
The technology solve problem of the present invention：Overcome the deficiencies in the prior art, there is provided one kind is concisely and efficiently light-sensitive device survey
Examination switch fixture.
The present invention technical solution be：Pill encapsulates light-sensitive device test conversion fixture, it is characterised in that：Including from
Pressure strip, limiting plate, intermediate plate and electrical connection plate that top to bottm is disposed successively；Pressure strip is used to compress measured device, thereon
It is designed with guide-localization groove and loophole；Limiting plate is spacing for carrying out to measured device by middle stopper slot, and
Pad and via are designed with around stopper slot, for the electrical connection of device emitter e；Design Orientation hole on limiting plate, is used for
Use cooperatively with the guide-localization groove on pressure strip, pressure strip, limiting plate, intermediate plate and electrical connection four plate of plate are positioned at into one
Rise；Intermediate plate is carried out spacing by spring window thereon to measured device, and the size of spring window is according to the big of measured device
Depending on the size of little and electrical connection plate upper reed plate electrode；Via, pad and location hole are similarly designed with intermediate plate；Electrically connect
Fishplate bar is for being electrically connected with emitter e to the colelctor electrode c of measured device；Reed electricity is fixedly mounted on electrical connection plate
Pole, is attached for the colelctor electrode c with device, and is attached with equipment by pin leads；The emitter e of measured device
It is attached by via, pad and pin leads and equipment.
The location hole is used cooperatively with Positioning screw, the tight plain cushion of signature and plate nut, by pressure strip, limiting plate, centre
Plate and electrical connection four plate of plate are positioned together.
The location hole is 5, respectively positioned at the plate center of sum in the middle of four sides of each plate.
Compared with the prior art, the invention has the advantages that：
1st, whole converter design is pressure strip, limiting plate, intermediate plate and four layers of plate of electrical connection by the present invention, at per layer
It is correspondingly improved on plate, by the spacing of measured device, compression etc., being only applicable to pin photoelectric device originally
Test adapter overall transformation is the test adapter of the photoelectric device suitable for pill encapsulation, solves pill encapsulation phototubes
The test problem of part, is continuing with existing special test equipment, saves substantial amounts of cost.
2nd, the present invention passes through location hole and Positioning screw, gives as security the matching design of tight plain cushion and plate nut, by pressure strip, limit
Position plate, intermediate plate and electrical connection four plates of plate are positioned together, and make the surface electrode colelctor electrode c and reed electricity of measured device
Pole is in close contact, and reduces contact resistance.
3rd, the pad of limiting plate of the present invention is contacted with pill encapsulation light-sensitive device colelctor electrode c, is electrically connected the reed of plate
Contact with emitter e；And for the light emitting diode of pill encapsulation, the pad of limiting plate can be connect with light-emitting diodes tube anode
Touch, the reed electrode for being electrically connected plate can be contacted with light-emitting diodes tube cathode.Therefore, the present invention has certain versatility,
Be not only applicable to the test that pill encapsulates light-sensitive device, be equally applicable to the luminescent device of pill encapsulation test (such as OP224,
Encapsulating structure is identical with OP604 with size).
Description of the drawings
Accompanying drawing 1 is that pill encapsulates light-sensitive device front view；
Accompanying drawing 2 is that pill encapsulates light-sensitive device top view；
Schematic diagram of the accompanying drawing 3 for light-sensitive device test conversion fixture.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Pill encapsulation photoelectric devices as shown in Figure 1, 2, including photosurface 201 (as the base stage b) of device, insulating barrier
202nd, colelctor electrode c203, emitter e 204.Photosurface 201 is used for the irradiation of receiving light；Insulating barrier 202 is for by photosurface 201
Isolate with colelctor electrode c203, prevent short circuit.
As shown in figure 3, the Pill encapsulation light-sensitive device test conversion fixtures of the present invention, including what is set gradually from top to bottom
Pressure strip 1, limiting plate 2, intermediate plate 3 and electrical connection plate 4.
The effect of pressure strip 1 is to compress measured device, is designed with guide-localization groove 8 and loophole 9 thereon.Guide-localization groove
8 cooperation Positioning screws 5, give as security tight plain cushion 6 and use with plate nut 7, for connecting pressure strip 1, limiting plate 2, intermediate plate 3 and electrically
4 four plate of fishplate bar is positioned together, and measured device is contacted closely with the reed electrode 15 on electrical connection plate 4, reduces contact
Resistance；Additionally, pressure strip can be arbitrarily dismantled in the case of not knockout screw using the design of locating slot changes device, side
Convenient to operate, improves efficiency.Loophole 9 is easy to the test of optical parameter.
Limiting plate 2 is spacing for carrying out to measured device by middle stopper slot 13, and sets around stopper slot 13
In respect of pad 14 and via 11, for the electrical connection of device emitter e 204.On limiting plate 2, Design Orientation hole 10 is used for and presses
Guide-localization groove 8 on tight plate 1 is used cooperatively, and pressure strip 1, limiting plate 2, intermediate plate 3 and electrical connection 4 four plate of plate are positioned at
Together.
The effect of intermediate plate 3 be equally measured device is carried out it is spacing.Intermediate plate 3 is main by spring window 12 thereon
Device is carried out spacing, the size of spring window 12 is according to the reed electrode 15 in the size and electrical connection plate 4 of measured device
Depending on size.Via 11, pad 14 and location hole 10 are similarly designed with intermediate plate 3.
The effect of electrical connection plate 4 is that the colelctor electrode c203 to device is electrically connected with emitter e 204.Electrically
Reed electrode 15 is fixedly mounted on connecting plate 4, is attached for the colelctor electrode c203 with device, and by pin leads 16 with
Special test equipment is attached；Emitter e 204 is entered with special test equipment by via 11, pad 14 and pin leads 16
Row connection.Location hole 10 is similarly designed with electrical connection plate 4.
When carrying out photosensitive test to photoelectric device, the operating process of transducer of the present invention is：
A () is by limiting plate 2 by Positioning screw 5, compression plain cushion 6 and plate nut 7 and intermediate plate 3 and electrical connection plate 4
It is combined together, the pin leads 16 for being electrically connected plate 4 are downward.
B tested device is put into the stopper slot in the middle of on limiting plate 2 by (), the collection base b of photosurface device is upwards.
C pressure strip 1 is positioned with guide-localization groove 8 by () by loophole 9, be positioned on limiting plate 2, and screw positioning
Screw 5 and plate nut 7, pressure strip 1, limiting plate 2, intermediate plate 3 and electrical connection 4 four plate of plate are positioned together.
D switch fixture is put into examination equipment and carries out conventionally test by ().
And for the light emitting diode of pill encapsulation, the pad of limiting plate 2 can electrically be connected with light emitting diode positive contact
The reed electrode 15 of fishplate bar 4 can be contacted with light-emitting diodes tube cathode.Therefore, the present invention is not only applicable to pill encapsulation photosensors
The test of part, is equally applicable to the test of the luminescent device of pill encapsulation, such as OP224, with certain versatility.
Proved by the result in actual tests, the switch fixture method for designing is disclosure satisfy that to aerospace pill encapsulation
Light-sensitive device carries out the requirement of photoelectricity test.
Certainly, each building block of the invention, position relationship and connected mode are entered in the case where its function is not changed
Capable equivalent transformation or replacement, also fall into protection scope of the present invention.
The non-detailed description of the present invention is known to the skilled person technology.
Claims (3)
1.Pill encapsulates light-sensitive device test conversion fixture, it is characterised in that：Including the pressure strip for disposing successively from top to bottom
(1), limiting plate (2), intermediate plate (3) and electrical connection plate (4)；Pressure strip (1) is designed with for compressing measured device, thereon leads
To locating slot (8) and loophole (9)；Limiting plate (2) is spacing for carrying out to measured device by middle stopper slot (13), and
And pad (14) and via (11) are designed with around stopper slot (13), for the electrical connection of device emitter e (204)；Limit
Design Orientation hole (10) on position plate (2), for using cooperatively with the guide-localization groove (8) on pressure strip (1), by pressure strip (1),
Limiting plate (2), intermediate plate (3) and electrical connection (4) four plate of plate are positioned together；Intermediate plate (3) is by spring window thereon
(12) measured device is carried out spacing, the size of spring window (12) is according in the size and electrical connection plate (4) of measured device
Depending on the size of reed electrode (15)；Via (11), pad (14) and location hole (10) are similarly designed with intermediate plate (3)；Electricity
Gas connecting plate (4) is for being electrically connected with emitter e (204) to the colelctor electrode c (203) of measured device；Electrical connection plate
(4) reed electrode (15) is fixedly mounted on, is attached for the colelctor electrode c (203) with device, and pass through pin leads (16)
It is attached with equipment；The emitter e (204) of measured device by via (11), pad (14) and pin leads (16) with it is special
It is attached with test equipment.
2. Pill according to claim 1 encapsulates light-sensitive device test conversion fixture, it is characterised in that：The location hole (10) with
Positioning screw (5), the tight plain cushion (6) of signature are used cooperatively with plate nut (7), by pressure strip (1), limiting plate (2), intermediate plate (3)
It is positioned together with electrical connection (4) four plate of plate.
3. Pill according to claim 1 encapsulates light-sensitive device test conversion fixture, it is characterised in that：The location hole (10) is
5, respectively in the middle of four sides of each plate and plate center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790981.4A CN104485297B (en) | 2014-12-18 | 2014-12-18 | Pill encapsulates light-sensitive device test conversion fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790981.4A CN104485297B (en) | 2014-12-18 | 2014-12-18 | Pill encapsulates light-sensitive device test conversion fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104485297A CN104485297A (en) | 2015-04-01 |
| CN104485297B true CN104485297B (en) | 2017-04-05 |
Family
ID=52759833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410790981.4A Active CN104485297B (en) | 2014-12-18 | 2014-12-18 | Pill encapsulates light-sensitive device test conversion fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485297B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104711670B (en) * | 2015-04-02 | 2017-12-29 | 中国科学院上海微系统与信息技术研究所 | The sample carrier tested for molecular beam epitaxial growth and angle resolved photoelectron spectroscope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1244077A (en) * | 1959-01-28 | 1960-10-21 | Bosch Gmbh Robert | Semiconductor device |
| US3562058A (en) * | 1967-05-16 | 1971-02-09 | Texas Instruments Inc | Method for breaking and separating substrate material |
| CN200965971Y (en) * | 2005-09-21 | 2007-10-24 | 邵俊良 | Multi-color strong pulse optical device |
| CN202196764U (en) * | 2011-05-18 | 2012-04-18 | 汕头华汕电子器件有限公司 | Insulating type TO-220 frame sintering clamp in semiconductor triode |
| CN202434489U (en) * | 2011-09-28 | 2012-09-12 | 力鼎精密股份有限公司 | Turning device of vacuum environment base plate |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11195699A (en) * | 1998-01-05 | 1999-07-21 | Kokusai Electric Co Ltd | Air-tight container |
| US6489178B2 (en) * | 2000-01-26 | 2002-12-03 | Texas Instruments Incorporated | Method of fabricating a molded package for micromechanical devices |
-
2014
- 2014-12-18 CN CN201410790981.4A patent/CN104485297B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1244077A (en) * | 1959-01-28 | 1960-10-21 | Bosch Gmbh Robert | Semiconductor device |
| US3562058A (en) * | 1967-05-16 | 1971-02-09 | Texas Instruments Inc | Method for breaking and separating substrate material |
| CN200965971Y (en) * | 2005-09-21 | 2007-10-24 | 邵俊良 | Multi-color strong pulse optical device |
| CN202196764U (en) * | 2011-05-18 | 2012-04-18 | 汕头华汕电子器件有限公司 | Insulating type TO-220 frame sintering clamp in semiconductor triode |
| CN202434489U (en) * | 2011-09-28 | 2012-09-12 | 力鼎精密股份有限公司 | Turning device of vacuum environment base plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104485297A (en) | 2015-04-01 |
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