CN110531242A - A kind of avalanche diode thermoelectricity fatigue testing clamping device - Google Patents
A kind of avalanche diode thermoelectricity fatigue testing clamping device Download PDFInfo
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- CN110531242A CN110531242A CN201910816110.8A CN201910816110A CN110531242A CN 110531242 A CN110531242 A CN 110531242A CN 201910816110 A CN201910816110 A CN 201910816110A CN 110531242 A CN110531242 A CN 110531242A
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- diode
- thermoelectricity
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- corresponding matching
- clamp assemblies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of avalanche diode thermoelectricity fatigue testing clamping device, it is characterized by: it includes diode clamp assemblies (1), it is equipped with the insert-splice type handle (2) of corresponding matching in diode clamp assemblies (1) one end, in the diode separation assembly (3) that one with diode clamp assemblies (1) corresponding matching is arranged.It is the configuration of the present invention is simple, easy to use, reliable stationary fixture is provided in thermoelectricity fatigue test for avalanche diode, realize the safe and reliable connection of avalanche diode, so that avalanche diode keeps stablizing during entire thermoelectricity fatigue test, it is convenient for retracting diode after the completion of test, to improve the conventional efficient entirely tested, and ensure the safety of test process, reliability.
Description
Technical field:
This application involves semiconductor solid-state power device reliability test technical fields, are specifically exactly a kind of avalanche diode
Thermoelectricity fatigue testing clamping device.
Background technique:
Avalanche diode is generated using two kinds of physical effects of ionization by collision and transition time of carrier in semiconductor structure
The solid state microwave device of negative resistance can produce the higher-order of oscillation under applied voltage effect.For the reliability for improving device, need to establish
Avalanche diode thermoelectricity fatigue old mine pit system, carries out the reliability tests such as the thermoelectricity fatigue test of avalanche diode, thus
Realization filters out waste product and rejects.
When avalanche diode thermoelectricity fatigue test, the pulse under the high temperature conditions of thermoelectricity fatigue test board and mould of continuously powering
Test process is recorded in formula.The controllable current source in built-in 36 channels being distributed of testing stand, current source can be in continuous and pulse mode
The mode of middle work, current source is arranged by the controller being embedded in.In addition, each current source includes measuring diode breakdown voltage
Accurate Ford table, it is synchronous with current impulse in pulse mode.Thermoelectricity fatigue test board has array slot, can survey simultaneously
Try 36 diodes, diode to be measured need to be inserted into slot by when test, realize avalanche diode and testing stand built-in current source
And the safe and reliable connection of accurate Ford table, and each device is relatively independent, will not interfere with each other.
Avalanche diode device is a kind of Two-port netwerk discrete device of special package, have specific tube core closure size and
Heat-radiating structure.Currently, the reliability screening technology of avalanche diode is almost blank at home, general-purpose diode fixture is only fitted
For the diode of the conventional packing forms such as lead export, it is not used to the avalanche diode of special package form；And for device
Part test aspect is not portable strong, can not be used cooperatively with thermoelectricity fatigue test board, carries out the snowslide two of special package form
Pole pipe reliability test.Therefore, it in the reliability screening technical research of avalanche diode, designs a suitable for two pole of snowslide
The clamping device of pipe thermoelectricity fatigue test has become urgent problem to be solved.
Summary of the invention:
The present invention is exactly to provide a kind of avalanche diode thermoelectricity fatigue test clamping to overcome the shortcomings of in prior art
Device.
The application the following technical schemes are provided:
A kind of avalanche diode thermoelectricity fatigue testing clamping device, it is characterised in that: it includes diode clamp assemblies, in two poles
Tube grip component one end is equipped with the insert-splice type handle of corresponding matching, is being arranged one and the two of diode clamp assemblies corresponding matching
Pole pipe separation assembly.
Based on the above technical solution, there can also be technical solution further below:
The diode clamp assemblies include first base, conical shell are equipped in first base one end, in first base
Another end portion is equipped with gag lever post and thread segment；It is equipped with cavity in the conical shell, is equipped in conical shell end and is connected to cavity
Jack, one group of through slot is evenly equipped on jack, conical shell is divided by four intermediate plates by through slot, is equipped on every portion of intermediate plate
One support plate, is equipped with expansion section in the thread segment lower end, is equipped with first sleeve in expansion section lower end, sets in first sleeve
There is a pair of and insert-splice type handle corresponding matching T shape slot.
The insert-splice type handle includes hand-held part, is equipped with one and first sleeve corresponding matching in hand-held part one end end
Second sleeve, a pair of grafting block with T shape slot corresponding matching is equipped in second sleeve, second is equipped in second sleeve
Spring is plugged with the telescopic mast with second spring corresponding matching in second sleeve.
The diode separation assembly includes stock handle, is equipped with plectrum in stock handle one end, sets in plectrum one end
Have and chooses piece with through slot corresponding matching.
Invention advantage:
It is the configuration of the present invention is simple, easy to use, reliable stationary fixture is provided for avalanche diode in thermoelectricity fatigue test,
Realize the safe and reliable connection of avalanche diode, so that avalanche diode keeps stablizing during entire thermoelectricity fatigue test,
Convenient for retracting to diode after the completion of test, to improve the conventional efficient entirely tested, and the peace of test process is ensured
Quan Xing, reliability.
Detailed description of the invention:
Fig. 1 is the schematic diagram when present invention is installed on testing stand；
Fig. 2 is the schematic diagram of the invention being installed to when moved back on testing stand except insert-splice type handle；
Fig. 3 is schematic diagram when will prepare to take out the diode on diode clamp assemblies；
Fig. 4 is schematic diagram when taking out the diode on diode clamp assemblies using diode separation assembly；
Fig. 5 is diode clamp assemblies stereoscopic schematic diagram in Fig. 1.
Specific embodiment:
As shown in Figs. 1-5, a kind of avalanche diode thermoelectricity fatigue testing clamping device, it includes diode clamp assemblies 1 two
1 one end of pole pipe clamp assemblies is equipped with the insert-splice type handle 2 of corresponding matching, then is arranged one and corresponding with diode clamp assemblies 1 matches
Close diode separation assembly 3.
The diode clamp assemblies 1 include cylindrical first base 1a, are equipped in the upper end first base 1a same
The conical shell 1b of axis distribution is equipped with 6 corresponding matching of test jack with thermoelectricity fatigue test board 5 in the lower end first base 1a
Gag lever post 1h and thread segment 1c.
It is equipped with the cavity of taper in the conical shell 1b, the jack being connected to cavity is equipped in the end of conical shell 1b
1d.It is evenly equipped with one group of four through slot 1e on jack 1d circumference, the bottom surface of the through slot 1e slot bottom and cavity is in same level
It by conical shell 1b the intermediate plate 1f, each intermediate plate 1f for being divided into four equal portions is the piece of arc by four through slot 1e on face
Shape.Be equipped with the support plate 1g of horizontal distribution in the intrados side of each intermediate plate 1f, the support plate 1g be similar to four/
The fanning strip of one circle, the intrados of the periphery and intermediate plate 1f weld together.
The through slot 1e points are distributed to be coaxial, and interconnected width two parts, and it is relatively narrow for being connected to jack 1d
Groove body, length is about 3/5ths of entire through slot 1e length, and wider groove body is located at below relatively narrow groove body, lower end with
The bottom surface of cavity is connected to, and length is about 2/5ths of entire through slot 1e length, and the wider groove body width is relatively narrow slot
Twice of body.The support plate 1g is located at the relatively narrow groove body side of relatively narrow groove body and wider groove body connectivity part.It is adjacent
Support plate 1g between be separated with certain distance, and the distance being spaced and relatively narrow groove body are of same size.
It is equipped with the expansion section 1k of a polished rod shape being coaxially distributed in the lower end thread segment 1c, is equipped in the expansion section lower end 1k same
The first sleeve 1j of axis distribution, is equipped with a pair of and 2 corresponding matching T shape slot 1m of insert-splice type handle on first sleeve 1j.It is described
First base 1a, conical shell 1b, gag lever post 1h, thread segment 1c, expansion section 1k and first sleeve 1j be an integral structure.
The insert-splice type handle 2 includes cylindrical hand-held part 2a, and one group of edge is evenly equipped on the outer wall of hand-held part 2a
The frictional groove 2b being axially distributed extends outward the baffle of a ring shape on the periphery that hand-held part one end 2a end is equipped with
2f.It is equipped with the second sleeve 2c being coaxially distributed with handle 2 on the end face of hand-held part one end 2a end, described second set
Cylinder 2c and first sleeve 1j corresponding matching.It is equipped on second sleeve 2c a pair of symmetrical with T shape slot 1m corresponding matching
Grafting block 2d.
It is equipped with second spring 2e in second sleeve 2c, telescopic mast 2g is plugged in second sleeve 2c.Second bullet
The lower end of spring 2e and the inner cylinder bottom surface of second sleeve 2c weld together, and the upper end and the bottom surface of telescopic mast 2g weld together.
The diode separation assembly 3 includes stock handle 3a, is welded with plectrum 3b in the one end stock handle 3a, is being dialled
The one end piece 3b, which is equipped with, chooses piece 3c with through slot 1e corresponding matching, and the piece 3c that chooses is acute triangle, the acute ends of one end
It can be inserted in through slot 1e.The plectrum 3b is an integral structure with piece 3c is chosen.
The course of work:
Second sleeve 2c is inserted into first sleeve 1j first, hand-held part 2a is then rotated and grafting block 2d is caught in T-slot,
So that diode clamp assemblies 1 and insert-splice type handle 2 link together.
The avalanche diode 4 tested will then be needed, be inserted into conical shell 1b by jack 1d, bottom until with
Support plate 1g contact, the intermediate plate 1f being at this moment located on the outside of 4 outside wall surface of avalanche diode, under the extruding of 4 outer wall of avalanche diode
Meeting is pico-, and deformation occurs, while also clamping two pole of snowslide from 4 outer wall surrounding of avalanche diode under the action of reaction force
Pipe 4.
Then staff holds the hand-held part 2a of insert-splice type handle 2, and it is tired that the one end conical shell 1b is horizontally inserted into thermoelectricity
In the test jack 6 of labor testing stand 5.Staff rotates hand-held part 2a so that gag lever post 1h can test jack 6 from being distributed in
Interior middle part, and pass through between two arcuate thread slot 6a being symmetrically distributed, after inwardly protruding into a distance again, continue to turn
Dynamic hand-held part 2a is connected and fixed thread segment 1c with arcuate thread slot 6a.
Finally rotate backward hand-held part 2a deviates from grafting block 2d out of T-slot so that insert-splice type handle 2 with
Diode clamp assemblies 1 separate, and at this moment stay in thermoelectricity fatigue test board 5 can be to being clamped in two for diode clamp assemblies 1
The avalanche diode 4 of 1 end of pole pipe clamp assemblies carries out thermoelectricity fatigue test.
After to thermoelectricity fatigue test, it is plugged in together by insert-splice type handle 2 and diode clamp assemblies 1, then
Rotation insert-splice type handle 2 separates thread segment 1c with arcuate thread slot 6a to which diode clamp assemblies 1 are tired from thermoelectricity
It is taken out in the test jack 6 of testing stand 5.
Then by the acute ends for choosing piece 3c on diode separation assembly 3 to be inserted into the through slot 1e below support plate 1g
In conical shell 1b, so that its acute ends is contacted with the bottom surface of avalanche diode 4, diode separation assembly 3 is then pushed again
Stock handle 3a chooses avalanche diode 4 so that choosing and choosing in the acute ends of piece 3c from jack 1d.
Claims (4)
1. a kind of avalanche diode thermoelectricity fatigue testing clamping device, it is characterised in that: it includes diode clamp assemblies (1),
It is equipped with the insert-splice type handle (2) of corresponding matching in diode clamp assemblies (1) one end, then one and diode clamp assemblies are set
(1) the diode separation assembly (3) of corresponding matching.
2. a kind of avalanche diode thermoelectricity fatigue testing clamping device according to claim 1, it is characterised in that: described
Diode clamp assemblies (1) include first base (1a), conical shell (1b) is equipped in first base (1a) one end, the
One pedestal (1a) another end portion is equipped with gag lever post (1h) and thread segment (1c)；Cavity is equipped in the conical shell (1b), in taper
The shell end (1b) is equipped with the jack (1d) being connected to cavity, and one group of through slot (1e) is evenly equipped on jack (1d), passes through through slot
Conical shell (1b) is divided into four intermediate plates (1f) by (1e), a support plate (1g) is equipped on every part of intermediate plate (1f), described
The thread segment lower end (1c) is equipped with expansion section (1k), first sleeve (1j) is equipped in the expansion section lower end (1k), at first sleeve (1j)
It is equipped with a pair of and insert-splice type handle (2) corresponding matching T shape slot (1m).
3. a kind of avalanche diode thermoelectricity fatigue testing clamping device according to claim 1, it is characterised in that: described
Insert-splice type handle (2) include hand-held part (2a), one end end hand-held part (2a) be equipped with one it is corresponding with first sleeve (1j)
The second sleeve (2c) of cooperation is equipped with a pair of grafting block (2d) with T shape slot (1m) corresponding matching on second sleeve (2c),
It is equipped with second spring (2e) in second sleeve (2c), is plugged in second sleeve (2c) and second spring (2e) corresponding matching
Telescopic mast (2g).
4. a kind of avalanche diode thermoelectricity fatigue testing clamping device according to claim 1, it is characterised in that: described
Diode separation assembly (3) include stock handle (3a), stock handle one end (3a) be equipped with plectrum (3b), at plectrum (3b)
One end, which is equipped with, chooses piece (3c) with through slot (1e) corresponding matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816110.8A CN110531242B (en) | 2019-08-30 | 2019-08-30 | Clamping device for thermoelectric fatigue test of avalanche diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816110.8A CN110531242B (en) | 2019-08-30 | 2019-08-30 | Clamping device for thermoelectric fatigue test of avalanche diode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110531242A true CN110531242A (en) | 2019-12-03 |
| CN110531242B CN110531242B (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910816110.8A Active CN110531242B (en) | 2019-08-30 | 2019-08-30 | Clamping device for thermoelectric fatigue test of avalanche diode |
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| Country | Link |
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| CN (1) | CN110531242B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025112A (en) * | 2019-12-07 | 2020-04-17 | 温州大学 | Terahertz time-of-flight device half-sine current pulse reliability test device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949796A (en) * | 2010-10-18 | 2011-01-19 | 西南交通大学 | Multi-function extension clamp for material fatigue test |
| CN102168997A (en) * | 2010-12-17 | 2011-08-31 | 中国石油集团长城钻探工程有限公司 | High-temperature tester fetching aid |
| CN105403451A (en) * | 2015-12-10 | 2016-03-16 | 成都发动机（集团）有限公司 | Fixture for high-temperature endurance test of sample |
| CN105680120A (en) * | 2016-01-27 | 2016-06-15 | 西安电子工程研究所 | IMPATT (impact avalanche and transit time) diode clamping fastening apparatus |
| CN109115600A (en) * | 2018-10-18 | 2019-01-01 | 南京强山新材料有限公司 | A kind of Novel universal clamp of tensile machine and application |
| CN208848925U (en) * | 2018-09-17 | 2019-05-10 | 南京瑟迪电子科技有限公司 | A kind of diode convenient for gripping |
| CN209217009U (en) * | 2019-02-21 | 2019-08-06 | 吕梁学院 | Clamping device is used in a kind of processing of photodiode |
-
2019
- 2019-08-30 CN CN201910816110.8A patent/CN110531242B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949796A (en) * | 2010-10-18 | 2011-01-19 | 西南交通大学 | Multi-function extension clamp for material fatigue test |
| CN102168997A (en) * | 2010-12-17 | 2011-08-31 | 中国石油集团长城钻探工程有限公司 | High-temperature tester fetching aid |
| CN105403451A (en) * | 2015-12-10 | 2016-03-16 | 成都发动机（集团）有限公司 | Fixture for high-temperature endurance test of sample |
| CN105680120A (en) * | 2016-01-27 | 2016-06-15 | 西安电子工程研究所 | IMPATT (impact avalanche and transit time) diode clamping fastening apparatus |
| CN208848925U (en) * | 2018-09-17 | 2019-05-10 | 南京瑟迪电子科技有限公司 | A kind of diode convenient for gripping |
| CN109115600A (en) * | 2018-10-18 | 2019-01-01 | 南京强山新材料有限公司 | A kind of Novel universal clamp of tensile machine and application |
| CN209217009U (en) * | 2019-02-21 | 2019-08-06 | 吕梁学院 | Clamping device is used in a kind of processing of photodiode |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025112A (en) * | 2019-12-07 | 2020-04-17 | 温州大学 | Terahertz time-of-flight device half-sine current pulse reliability test device |
| CN111025112B (en) * | 2019-12-07 | 2020-09-29 | 温州大学 | Terahertz time-of-flight device half-sine current pulse reliability test device |
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| Publication number | Publication date |
|---|---|
| CN110531242B (en) | 2022-02-01 |
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