CN101082632A - Testing tool for circuit board - Google Patents
Testing tool for circuit board Download PDFInfo
- Publication number
- CN101082632A CN101082632A CN 200610083822 CN200610083822A CN101082632A CN 101082632 A CN101082632 A CN 101082632A CN 200610083822 CN200610083822 CN 200610083822 CN 200610083822 A CN200610083822 A CN 200610083822A CN 101082632 A CN101082632 A CN 101082632A
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- circuit board
- guide bar
- framework
- montant
- testing
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Abstract
The invention discloses a circuit board testing tool, which consists of holding device and testing device to load the circuit board to do electric testing, wherein the frame structure of holding device has several pressing parts to fix the circuit board; the frame structure has level position and vertical position to adjust the pressing part, which can be assembled detachably to select random condition of close and open condition for frame structure and support part; the support part of the holding device is set on the top of testing device to set the detected circuit board; otherwise, the support part has multiple probes corresponding to the electric joint in the detected circuit; the testing probe connects the testing device through electrically, which tests the electric function of the detected circuit board.
Description
Technical field
The present invention relates to a kind of circuit board testing jig, particularly a kind of tool that can set firmly circuit board and testing circuit board that provides.
Background technology
Available circuit board test tool is in order to testing the circuit board of various assemblies of arranging electronic and electric wiring, and provides simultaneously and set firmly described circuit board and carry out devices such as electric test.As shown in M266449 number novel patent of TaiWan, China patent announcement, general circuit board testing jig, be that a framework is provided with several positioning components and constitutes, wherein each positioning component is the translation adjustment that can do the position along described framework, and each positioning component has solid lock bolt, use pressing circuit board to be measured, or use and support circuit board to be measured.Moreover the device of its electric test mainly is to see through a needle plate a plurality of testing needles are set, and makes the described testing needle electric signal output implantation site of corresponding described circuit board respectively, in order to input information to circuit board under test or measure the information output of described circuit board.Yet, the mode that described positioning component combines with framework be directly see through bolt be spirally connected or solid lock institute reaches, and can therefore cause the joint portion because the heavily stressed contact of bolt causes connecing the physical disturbance of position, place.
Moreover, because the positioning component complex structure in the available circuit board test tool, there is no the design of considering easy disassembly, not only go up can be inconvenient to some extent in operation, also usually causes positioning component and circuit board or form structural interference problem with the device of electric test.
In addition,, must constantly carry out the exploitation of new product, reduce the structural limitations that causes because of improper designing institute in the circuit board testing jig because electronic product now alternates fast, and applicable to most circuit board.Therefore must provide the needle plate with replaceable testing circuit board, avoiding and need design new test needle plate at the circuit board of every batch of different designs, and the while can reduce R﹠D costs.
Therefore, the inventor for the foregoing reasons, and then the disappearance that had of improvement available circuit board test tool.
Summary of the invention
Circuit board testing jig of the present invention mainly provides a circuit board testing jig and has the fixedly tool of circuit board under test, can avoid mechanism's junction simultaneously because the excessive physical disturbance that stress caused.
Another purpose of circuit board testing jig of the present invention provides the stationary installation of a circuit board under test, and can cooperate the circuit unit on the described circuit board under test, and the generation of avoiding mechanism to interfere.
A purpose again of circuit board testing jig of the present invention provides and has the needle plate that can rearrange testing needle, uses the test procedure that cooperates different circuit board under test.
A purpose again of circuit board testing jig of the present invention is the stationary installation that constitutes described circuit board under test by framed structure, makes the relative position that presses mechanism and described circuit board that can observe described holding unit in the operating process, and the carrying out of handled easily.
The present invention is a kind of circuit board testing jig, and it is in order to installing circuit board to be tested and to carry out electric test, it is characterized in that, comprising:
Proving installation, it is in order to detect the electric function of described circuit board; And
Holding unit, it comprises:
Framed structure, it comprises:
Two first guide bars that correspondence be arranged in parallel;
A plurality of second guide bars, and the two ends of each second guide bar be with the slip set-up mode respectively mechanism be linked to pairing first guide bar of each rod end, make that each second guide bar is to be restricted to along the described first guide bar parallel direction translation; And
A plurality of montants, each montant bottom has compression part respectively, and each montant is to be linked to second guide bar with the corresponding respectively mechanism of slip set-up mode, and making that each montant is limited can only be along the second guide bar bearing of trend translation of correspondence;
And
The support portion, it is a plate body structure;
The package assembly of wherein said framed structure local detachable, in order to select the arbitrary state in described framed structure and described support portion formation closure state and the opening, and described support portion is to be arranged at described proving installation top, be in order to described circuit board under test to be set in the described support portion upper surface regional area that described framed structure is surrounded, and described compression part is a corresponding described circuit board under test top end face and in order to press the top end face of described circuit board.
Each described first guide bar comprises groove respectively, and described groove is to extend along the described first guide bar parallel direction; And each described second guide bar two ends are provided with slide block respectively, and each slide block is to be limited in the groove of the first corresponding guide bar, make that described slide block is limited to move along the bearing of trend of corresponding groove.
Comprise the equal section portion of extending in described second guide bar respectively along the body of rod; And each described montant comprises folder jaw portion and set bolt respectively, described folder jaw portion cooperates the jaw shape structure of holding described section portion, and described set bolt is bolted in described folder jaw portion and selects to press described section portion surface and the arbitrary state in described section portion surface of getting loose, and makes to select described montant to be fixedly arranged on described second guide bar and the described relatively second guide bar arbitrary state in sliding.
Each described montant further comprises respectively and presses down bolt, and the described bolt that presses down is to be bolted in described montant, and the described bolt bottom that presses down forms described compression part, and the described position adjustments that presses down bolt is in order to select to press the acting force of described circuit board.
Described support portion further comprises a plurality of testing needles, and the setting of described testing needle is the electric terminal to be measured in the corresponding described circuit board under test, and described testing needle is electrically connected to described proving installation respectively, in order to detect the electric function of described circuit board under test.
Described support portion further comprises needle plate, and described testing needle is to be arranged in the described needle plate.
Described needle plate is to be installed in described proving installation top removably.
Described framed structure further comprises: first framework; And second framework; Wherein said framed structure is to see through described first framework to be arranged at described proving installation top, and the both sides of described first framework, one end have corresponding articulated section, and the both sides of the described first framework other end have corresponding holding section; And described second framework is mechanism's binding of the articulated section formation pivot joint of an end and described first framework, and the corresponding Nie of the other end of described second framework closes the holding section of described first framework and select Nie to close and break away from arbitrary state in the described holding section, in order to the arbitrary state in second framework of selecting described framed structure and described support portion formation closure state and the opening.
For making those skilled in the art understand purpose of the present invention, feature and effect, now by following specific embodiment, and cooperate appended graphic, in detail explanation as after.
Description of drawings
Fig. 1 is the first state three-dimensional view that shows the specific embodiment of circuit board testing jig of the present invention;
Fig. 2 is the second state three-dimensional view that shows the specific embodiment of circuit board testing jig of the present invention;
Fig. 3 is the vertical view that shows Fig. 1 of the present invention;
Fig. 4 is the front view that shows Fig. 1 of the present invention;
Fig. 5 shows that the first guide bar mechanism of circuit board testing jig one specific embodiment of the present invention links the partial component cut-open view of second guide bar;
Fig. 6 is the 6-6 cross-section cutaway view that shows Fig. 5 of the present invention;
Fig. 7 shows second guide bar of circuit board testing jig one specific embodiment of the present invention and the partial sectional view of montant;
Fig. 8 is the supporting structure isometric exploded view that shows circuit board testing jig one specific embodiment of the present invention.
Description of reference numerals: holding unit 1; First framework 11; Articulated section 11a; Holding section 11b; Second framework 12; First guide bar 121; Groove 121a; Second guide bar 122; Bolt 122a; Slide block 122b; The 122c of equal section portion; Montant 123; Compression part 123a; The folder jaw 123b of portion; Set bolt 123c; Press down bolt 123d; Flange 123e; Support portion 13; Testing needle 13a; Needle plate 13b; Proving installation 2; Circuit board 3; Electric terminal 31 to be measured; Circuit unit 32.
Embodiment
See also Fig. 1 and shown in Figure 2, it is respectively the first state three-dimensional view and the second state three-dimensional view that shows the specific embodiment of circuit board testing jig of the present invention.Circuit board testing jig of the present invention mainly is that a holding unit 1 is arranged on the proving installation 2 and constitutes, described holding unit 1 is in order to putting circuit board 3 and fixing described circuit board 3, and described proving installation 2 is in order to detect the electric function of described circuit board 3.Wherein, the part of described holding unit 1 is to form dismountable package assembly, sets firmly state in order to described part is broken away from, and is installed or dismantle circuit board 3.
The holding unit 1 of the invention described above is to have first framework 11, second framework 12 and support portion 13, wherein said first framework 11 is framed structures that are arranged at described proving installation 2 tops, and the both sides of described first framework, 11 1 ends have corresponding articulated section 11a, and the both sides of described first framework, 11 other ends have corresponding holding section 11b; Described second framework 12 is framed structures, and the articulated section 11a of Yu Yiduan and described first framework 11 forms the mechanism's binding that articulates, make described second framework 12 to pivot with respect to the articulated section 11a of described first framework 11, and the other end of described second framework 12 can corresponding Nie closes the holding section 11b of described first framework 11 and can select Nie to close or break away from described holding section 11b, makes described second framework 12 distinguish corresponding formation closure state and openings with first framework 11; And described support portion 13 is plate body structures, and its upper surface can be in order to being provided with described first framework 11, and in the described support portion 13 upper surface regional areas that described first framework 11 is surrounded described circuit board 3 is set.
The part of above-mentioned support portion 13 has a plurality of testing needle 13a, the setting of described testing needle 13a is the electric terminal to be measured in the corresponding described circuit board 3, and described testing needle 13a bottom is electrically connected to described proving installation 2 respectively, in order to detect the electric function of described circuit board 3.
Please consult Fig. 1 once more, and further consult Fig. 3 and shown in Figure 4, wherein Fig. 3 is the vertical view that shows Fig. 1 of the present invention, and Fig. 4 is the front view that shows Fig. 1 of the present invention.Two respective side of second framework 12 are provided with one first guide bar 121 respectively in the above-mentioned holding unit 1, described first guide bar 121 is to be parallel to each other and a plurality of second guide bars 122 are set, the two ends of each second guide bar 122 be with the slip set-up mode respectively mechanism be linked to two first guide bar 121 places, making that each second guide bar 122 is restricted to can be along the bearing of trend translation of two first guide bars 121.
In addition, because in the described holding unit 1, described second framework 12 is arranged on described first framework 11, form the structure of hollow out at front end, when described second guide bar 122 of operation and montant 123, can watch the situation of described circuit board 3 by the openwork part of front end, thereby the handled easily person adjusts each corresponding mechanism, and allow the compression part 123a of described montant 123 can more positively press described circuit board 3.
See also Fig. 5 and shown in Figure 6, wherein Fig. 5 shows that the first guide bar mechanism of circuit board testing jig one specific embodiment of the present invention links the partial component cut-open view of second guide bar, and Fig. 6 is the 6-6 cross-section cutaway view that shows Fig. 5 of the present invention.Has the groove 121a that extends along described first guide bar, 121 parallel directions in the first above-mentioned guide bar 121, and above-mentioned second guide bar, 122 two ends see through a bolt 122a respectively and lock a slide block 122b admittedly, and each slide block 122b is restricted among the groove 121a of the first corresponding guide bar 121, and makes described slide block 122b be restricted to can only to move along the bearing of trend of corresponding groove 121a.
The specific embodiment that links described second guide bar 122 based on above-mentioned described first guide bar 121 mechanisms, see through the elasticity of adjusting described bolt 122a, can select fixing described second guide bar 122 on described first guide bar 121, or select described second guide bar 122 to move along the groove 121a bearing of trend of described first guide bar 121, therefore, reach the position adjustment of described second guide bar 122.Moreover, because described second guide bar 122 sees through bolt 122a and is fixedly arranged on corresponding slide block 122b, the rod end that reaches described second guide bar 122 through described slide block 122b contacts the friction force that is produced with the groove 121a surface of described first guide bar 121 is fixed again, the distribution of forces that makes mechanism link to be produced is in described surface of contact, and the reduction local stress, meaning can be avoided the physical disturbance of contact position.
Please consult Fig. 1, Fig. 3, Fig. 4 and shown in Figure 7 once more, described second guide bar 122 is provided with a plurality of montants 123 respectively, each montant 123 be with the slip set-up mode respectively mechanism be linked to pairing second guide bar 122, make each montant 123 be restricted to second guide bar, 122 bearing of trend translations along correspondence.Wherein each montant 123 bottoms have a compression part 123a respectively, and described compression part 123a is corresponding described circuit board 3 top end faces and in order to press the top end face of described circuit board 3.
See also shown in Figure 7ly, it is to show second guide bar of circuit board testing jig one specific embodiment of the present invention and the partial sectional view of montant.Has the 122c of equal section portion that extends along the body of rod in the second above-mentioned guide bar 122 respectively, and above-mentioned montant 123 tops have a folder jaw 123b of portion, the described folder jaw 123b of portion is a jaw shape structure or is called C type structure and cooperates and can hold the described section 122c of portion, and see through a set bolt 123c and be bolted in the described folder jaw 123b of portion and act on simultaneously on the described section 122c of portion, make described montant 123 be fixedly arranged on described second guide bar 122.Moreover, described montant 123 bottoms are spirally connected and one press down bolt 123d, and the compression part 123a of described montant 123 is formed at the described bolt 123d bottom that presses down, and sees through the described position that presses down bolt 123d of adjusting, regulates the acting force that presses described circuit board and reach.The wherein said a kind of preferable set-up mode that presses down bolt 123d is the outstanding flange 123e of formation in described montant 123 bottoms, and the described bolt 123d that presses down is arranged at described flange 123e through the mode that is spirally connected.Therefore, see through mechanism's operation of described first guide bar 121, second guide bar 122, montant 123 and described pressure bolt 122a, can make described compression part 123a carry out tridimensional position adjustments, and use to cooperate and cause the rugged circuit board 3 of upper surface profile because many electronic packages are set.
Specific embodiment based on above-mentioned described montant, see through the elasticity of the set bolt 123c that adjusts described montant 123, can select fixing described montant 123 on described second guide bar 122, or select described montant 123 to move along the 122c of the equal section portion bearing of trend of described second guide bar 122, therefore, reach the position adjustment of described montant 123.Moreover, because the jaw shape structural design of the folder jaw 123b of portion of described montant 123 makes that described montant 123 can be easily from dismantling on described second guide bar 122 or being installed up on described second guide bar 122.
Therefore, in the practical operation of fixing described circuit board 3, see through to select described second guide bar 122 to be installed in position on described first guide bar 121, and select described montant 123 to be installed in position on described second guide bar 122, can make the compression part 123a of described montant 123 avoid circuit unit 32 set on the described circuit board 3 in the position on the horizontal plane.Moreover, what see through the described montant 123 of rotation presses down bolt 123d, can select the vertical height position of the compression part 123a of described montant 123, and use the acting force that provides suitable and press the zone that is provided with in the described circuit board 3 beyond the circuit unit 32, set firmly described circuit board 3 in the purpose of described support portion 13 and reach.Wherein, each mechanism member in second framework 12 of described holding unit 1 and described support portion 13 are the both sides up and down of described circuit board 3 of being placed in, make each mechanism member and the testing needle 13a in the described support portion 13 in described second framework 12 can not produce mechanism's interference, thereby reduced the limited applicability of circuit board.In addition, because first framework 11 of described holding unit 1 and the Frame Design of second framework 12 make one-piece construction can not cover the compression part 123a of described holding unit 1 and the contact condition of described circuit board 3.
See also shown in Figure 8ly, it is the supporting structure isometric exploded view that shows circuit board testing jig one specific embodiment of the present invention.Several testing needles 13a in the above-mentioned support portion 13 is arranged on the needle plate 13b, and described needle plate 13b is installed in described proving installation 2 tops, described testing needle 13a is the means of testing that is electrically connected to respectively in the described proving installation 2, described means of testing is in order to detecting the electric terminal 31 a plurality of to be measured on the described circuit board 3, and uses the QC program of carrying out described circuit board under test 3.Moreover described needle plate 13b is installed in described proving installation 2 tops removably, and described testing needle 13a can cooperate different circuit board under test 3 and changes the position be arranged among the described needle plate 13b.A kind of preferable set-up mode of wherein said needle plate 13b is that described needle plate 13b is screwed onto described proving installation 2 tops through bolt, and makes described needle plate 13b be installed on the described proving installation 2, and forms a dismountable structure.
Though the present invention discloses as above with specific embodiment; right its is not in order to limit the present invention; anyly be familiar with this skill person; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations; its change of doing all belongs to category of the present invention with retouching, and protection scope of the present invention defines and is as the criterion when looking claim.
Claims (8)
1. circuit board testing jig, it is in order to installing circuit board to be tested and to carry out electric test, it is characterized in that, comprising:
Proving installation, it is in order to detect the electric function of described circuit board; And
Holding unit, it comprises:
Framed structure, it comprises:
Two first guide bars that correspondence be arranged in parallel;
A plurality of second guide bars, and the two ends of each second guide bar be with the slip set-up mode respectively mechanism be linked to pairing first guide bar of each rod end, make that each second guide bar is to be restricted to along the described first guide bar parallel direction translation; And
A plurality of montants, each montant bottom has compression part respectively, and each montant is to be linked to second guide bar with the corresponding respectively mechanism of slip set-up mode, and making that each montant is limited can only be along the second guide bar bearing of trend translation of correspondence;
And
The support portion, it is a plate body structure;
The package assembly of wherein said framed structure local detachable, in order to select the arbitrary state in described framed structure and described support portion formation closure state and the opening, and described support portion is to be arranged at described proving installation top, be in order to described circuit board under test to be set in the described support portion upper surface regional area that described framed structure is surrounded, and described compression part is a corresponding described circuit board under test top end face and in order to press the top end face of described circuit board.
2. circuit board testing jig as claimed in claim 1 is characterized in that: each described first guide bar comprises groove respectively, and described groove is to extend along the described first guide bar parallel direction; And
Each described second guide bar two ends are provided with slide block respectively, and each slide block is to be limited in the groove of the first corresponding guide bar, make that described slide block is limited to move along the bearing of trend of corresponding groove.
3. circuit board testing jig as claimed in claim 1 is characterized in that: comprise the equal section portion of extending along the body of rod in described second guide bar respectively; And
Each described montant comprises folder jaw portion and set bolt respectively, described folder jaw portion cooperates the jaw shape structure of holding described section portion, and described set bolt is bolted in described folder jaw portion and selects to press described section portion surface and the arbitrary state in described section portion surface of getting loose, and makes to select described montant to be fixedly arranged on described second guide bar and the described relatively second guide bar arbitrary state in sliding.
4. circuit board testing jig as claimed in claim 3, it is characterized in that: each described montant further comprises respectively and presses down bolt, the described bolt that presses down is to be bolted in described montant, and the described bolt bottom that presses down forms described compression part, and the described position adjustments that presses down bolt is in order to select to press the acting force of described circuit board.
5. circuit board testing jig as claimed in claim 1, it is characterized in that: described support portion further comprises a plurality of testing needles, the setting of described testing needle is the electric terminal to be measured in the corresponding described circuit board under test, and described testing needle is electrically connected to described proving installation respectively, in order to detect the electric function of described circuit board under test.
6. circuit board testing jig as claimed in claim 5 is characterized in that: described support portion further comprises needle plate, and described testing needle is to be arranged in the described needle plate.
7. circuit board testing jig as claimed in claim 6 is characterized in that: described needle plate is to be installed in described proving installation top removably.
8. circuit board testing jig as claimed in claim 1 is characterized in that: described framed structure further comprises:
First framework; And
Second framework;
Wherein said framed structure is to see through described first framework to be arranged at described proving installation top, and the both sides of described first framework, one end have corresponding articulated section, and the both sides of the described first framework other end have corresponding holding section; And described second framework is mechanism's binding of the articulated section formation pivot joint of an end and described first framework, and the corresponding Nie of the other end of described second framework closes the holding section of described first framework and select Nie to close and break away from arbitrary state in the described holding section, in order to the arbitrary state in second framework of selecting described framed structure and described support portion formation closure state and the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100838226A CN101082632B (en) | 2006-06-02 | 2006-06-02 | Testing tool for circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100838226A CN101082632B (en) | 2006-06-02 | 2006-06-02 | Testing tool for circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101082632A true CN101082632A (en) | 2007-12-05 |
| CN101082632B CN101082632B (en) | 2012-11-14 |
Family
ID=38912312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100838226A Expired - Fee Related CN101082632B (en) | 2006-06-02 | 2006-06-02 | Testing tool for circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101082632B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819221A (en) * | 2010-05-26 | 2010-09-01 | 福建捷联电子有限公司 | Reverse testing jig and testing method thereof |
| CN102928724A (en) * | 2011-08-08 | 2013-02-13 | 深圳麦逊电子有限公司 | Multi-test fixture grid test system and test method for printed circuit boards (PCB) |
| CN103412161A (en) * | 2013-07-24 | 2013-11-27 | 昆山迈致治具科技有限公司 | Pressing mechanism of ICT testing fixture |
| CN105445501A (en) * | 2014-08-22 | 2016-03-30 | 环旭电子股份有限公司 | Electric detecting device for environmental testing |
| CN109164375A (en) * | 2018-10-23 | 2019-01-08 | 哈尔滨学院 | A kind of electronic equipment circuit board testing device |
| CN110108909A (en) * | 2019-06-13 | 2019-08-09 | 厦门弘信电子科技股份有限公司 | A kind of ICT test fixture |
| CN112444724A (en) * | 2019-09-05 | 2021-03-05 | 英业达科技有限公司 | Test equipment |
| CN112462224A (en) * | 2019-09-06 | 2021-03-09 | 英业达科技有限公司 | Test fixture |
| CN116559628A (en) * | 2023-06-12 | 2023-08-08 | 广东汉为信息技术有限公司 | Circuit board module test fixture |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI221529B (en) * | 2001-12-28 | 2004-10-01 | Nhk Spring Co Ltd | Socket for inspection |
| US6741089B2 (en) * | 2002-01-14 | 2004-05-25 | Micro Control Company | Hinged heat sink burn-in socket |
| CN100370260C (en) * | 2004-08-19 | 2008-02-20 | 思达科技股份有限公司 | Multiple crystal grain needle-detection instrument |
| CN2757135Y (en) * | 2004-12-07 | 2006-02-08 | 环隆电气股份有限公司 | Detector for circuit board |
-
2006
- 2006-06-02 CN CN2006100838226A patent/CN101082632B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819221A (en) * | 2010-05-26 | 2010-09-01 | 福建捷联电子有限公司 | Reverse testing jig and testing method thereof |
| CN102928724A (en) * | 2011-08-08 | 2013-02-13 | 深圳麦逊电子有限公司 | Multi-test fixture grid test system and test method for printed circuit boards (PCB) |
| CN103412161A (en) * | 2013-07-24 | 2013-11-27 | 昆山迈致治具科技有限公司 | Pressing mechanism of ICT testing fixture |
| CN105445501A (en) * | 2014-08-22 | 2016-03-30 | 环旭电子股份有限公司 | Electric detecting device for environmental testing |
| CN109164375A (en) * | 2018-10-23 | 2019-01-08 | 哈尔滨学院 | A kind of electronic equipment circuit board testing device |
| CN110108909A (en) * | 2019-06-13 | 2019-08-09 | 厦门弘信电子科技股份有限公司 | A kind of ICT test fixture |
| CN110108909B (en) * | 2019-06-13 | 2024-03-12 | 厦门弘信电子科技集团股份有限公司 | ICT test fixture |
| CN112444724A (en) * | 2019-09-05 | 2021-03-05 | 英业达科技有限公司 | Test equipment |
| CN112462224A (en) * | 2019-09-06 | 2021-03-09 | 英业达科技有限公司 | Test fixture |
| CN116559628A (en) * | 2023-06-12 | 2023-08-08 | 广东汉为信息技术有限公司 | Circuit board module test fixture |
| CN116559628B (en) * | 2023-06-12 | 2024-04-30 | 广东汉为信息技术有限公司 | Circuit board module test fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101082632B (en) | 2012-11-14 |
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Granted publication date: 20121114 Termination date: 20160602 |