CN107576902A - A kind of test jack of insertion slot type terminal - Google Patents
A kind of test jack of insertion slot type terminal Download PDFInfo
- Publication number
- CN107576902A CN107576902A CN201710613636.7A CN201710613636A CN107576902A CN 107576902 A CN107576902 A CN 107576902A CN 201710613636 A CN201710613636 A CN 201710613636A CN 107576902 A CN107576902 A CN 107576902A
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- China
- Prior art keywords
- connecting member
- electric connecting
- test
- insertion slot
- type terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 238000003780 insertion Methods 0.000 title claims abstract description 17
- 230000037431 insertion Effects 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000008685 targeting Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 5
- 229920006351 engineering plastic Polymers 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Testing Of Individual Semiconductor Devices (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention discloses a kind of test jack of insertion slot type terminal, including pressing part, targeting part, electric connecting member, test bench pedestal, bindiny mechanism and test bottom plate, integrated circuit module is placed between the pressing part and the targeting part, the test bench pedestal is arranged between the targeting part and the testing host, the electric connecting member is arranged between the integrated circuit template and the testing host, and pass through the test bench pedestal, the bindiny mechanism is arranged on the test bench pedestal and is located at the pressing part outer ring, and it is threadedly coupled with the pressing part outer ring.The present invention is advantageously integrated picking and placeing for master die, and improves service life.
Description
Technical field
The present invention relates to test device technical field, more particularly to a kind of test jack of insertion slot type terminal.
Background technology
Continuous specialized and integrated with integrated circuit function, modular design progressively turns into the main flow in market.
There is the professional module of difference in functionality in the market, such as camera module, fingerprint recognition module, LED backlight module, automobile intelligence
Module etc. can be controlled, the connection between these modules and master control system is mostly using stable connection and the standard sockets formula of safety
Connection terminal.
These powerful modules are required for progress electrical reliability to test, traditional electricity before volume production is commercialized
The test of gas unfailing performance is that the male of a socket terminals is welded on test PCB, realizes and is electrically connected with the female on module,
Due to being limited by the structure of slot type terminal, terminal is not suitable for repeatedly plugging, the service life of general terminal hundred times with
It is interior, and because plug strength is larger, manual operation is not easy to, further, since male is welded on test PCB, cause more
It is also extremely inconvenient to change, greatly limit module test process.
The content of the invention
To overcome disadvantages mentioned above, it is an object of the invention to provide a kind of test jack of insertion slot type terminal, present invention side
Just slot is picked and placeed, to be convenient for changing contact component, wearability good and do not influence test parameter and mechanical strength.
In order to reach object above, the technical solution adopted by the present invention is：A kind of test jack of insertion slot type terminal, including
Pressing part, targeting part, electric connecting member, test bench pedestal, bindiny mechanism and testing host, the pressing part and institute
State and integrated circuit module is placed between targeting part, the test bench pedestal is arranged on the targeting part and the testing host
Between, the electric connecting member is arranged on described
Between integrated circuit template and the testing host, and the test bench pedestal is passed through, the bindiny mechanism is arranged on institute
State on test bench pedestal and be located at the pressing part outer ring, and be threadedly coupled with the pressing part outer ring, the integrated electricity
Road module one end has socket terminals, and the socket terminals are withstood in described targeting part one end, and the other end withstands the test bench
Pedestal, is provided with back-moving spring between the targeting part and the test bench pedestal, the electric connection part be arranged with it is described
The metal column of socket terminals connection, is connected between the electric connecting member and the testing host by spring probe；
The back-moving spring includes rubber shell and the first cavity being arranged in the rubber shell, is set in first cavity
Spring is equipped with, the rubber shell upper and lower part is provided with bellows, and the second cavity is provided with the bellows, described
First cavity and second cavity are independently arranged.
Further, the electric connecting member includes the first electric connecting member and the second electric connecting member, described
Spring probe passes through second electric connecting member, and the spring probe upper end connects with first electric connecting member elasticity
Connect, the spring probe lower end and the testing host elastic connection, first electric connecting member will by stickum
The metal column bonds with engineering plastics, it is ensured that and can ensures the independence of each signal while signal conduction.
Further, the socket terminals are provided with reed, metal column and the reed of first electric connecting member
Resilient contact, when screwing out the pressing part for pine, the integrated circuit module is automatically separated with the electric connecting member
Purpose.
Further, the bindiny mechanism includes contiguous block and fixed block, and the contiguous block includes and the pressing part
The mounting platform being connected through a screw thread, the mounting platform are hinged with the test bench pedestal；
The fixed block includes superposed compressed part and positioned at the holding section of bottom, the compressed part and holding section to rotate
Portion is separation, and surrounds the rotating part synchronous rotary, and the rotating part is fixedly connected with the mounting platform；
Wherein, test bench pedestal is provided with neck, and the fixture block protruded with the holding section bottom is adapted to；
The pressing part upper end is provided with manual knob, and the manual knob is rotary body, and the outer wall of the rotary body and institute
State compressed part to offset, for extruding the compressed part so that the fixture block is caught in the neck；On the outer wall also
Gap is provided with, for releasing extruding of the manual knob to the compressed part.
Further, radiating copper billet, the radiating copper billet are provided between the pressing part and the integrated circuit module
For heat caused by Quick diffusing integrated circuit module, make the control of integrated circuit module in certain temperature orientation.
Further, it is copper post that the electric connection part, which is arranged with the metal column being connected with the socket terminals, Neng Gouti
Stability, electric conductivity and the corrosion resistance of high RST.
Further, float plate is additionally provided between the targeting part and the test bench pedestal, when for testing
The test module and the connection of the electric connecting member are further fastened, at the end of test, passes through the back-moving spring
Promote, the float plate jacks up the targeting part, integrated circuit module is departed from the electric connecting member, it is not necessary to people
Work point from.
Further, the pressing part bottom is provided with thimble, will by the thimble when pressing the pressing part
The integrated circuit module is connected with the electric connecting member.
Further, the rubber shell is divided into two parts up and down, and is provided with guiding mechanism between described two parts up and down.
The screw-driven of the test jack, manually pressing part of a kind of insertion slot type terminal provided by the invention, will be treated
The integrated circuit module of survey is pressed into test position, and targeting part can be by the integrated circuit module correcting to correct position；
Integrated circuit module is separated with electric connecting member automatically additionally by the spring in guiding parts, is advantageously integrated circuit module
Pick and place, and spring design two level elastic construction, on the premise of elastic force is ensured, can also prevent the device caused by resilience is too fast
Part damages；Electric signal is conducted on testing host by electric connecting member, its service life shows than male welding class socket
Write lifting.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the partial enlarged drawing between pressing part and testing host in Fig. 2；
Fig. 4 is the structural representation of electric connecting member of the present invention.；
Fig. 5 is the decomposing schematic representation of rubber shell in the present invention
In figure：
1- pressing parts；2- targeting parts；3- electric connecting members；4- test bench pedestals；5- testing hosts；6- manual knobs；
Outer wall 61；Gap 62；7- bindiny mechanisms；71a- mounting platforms；72a- compressed parts；72b- holding sections；72c- rotating parts；8- springs
Probe；9- metal columns；10- radiating copper billets；11- integrated circuit modules；12- thimbles；13- socket terminals；14- back-moving springs；
14a- rubber shells；The cavitys of 14b- first；14c- bellowss；15- float plates；The electric connecting members of 31- first；The electricity of 32- second
Gas coupling part.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to shown in accompanying drawing 1 ~ 5, a kind of test jack of insertion slot type terminal in the present embodiment, including pressing part 1, lead
To part 2, electric connecting member 3, test bench pedestal 4, bindiny mechanism 7 and testing host 5, the pressing part 1 is led with described
To integrated circuit module 11 is placed between part 2, the test bench pedestal 4 is arranged on the targeting part 2 and led with the test
Between plate 5, the electric connecting member 3 is arranged between the integrated circuit template 11 and the testing host 5, and passes through institute
Test bench pedestal 4 is stated, the bindiny mechanism 7 includes contiguous block and fixed block, and the contiguous block includes logical with the pressing part 1
Mounting platform 71a, the mounting platform 71a and the test bench pedestal 4 for crossing threaded connection are be hinged；The fixed block includes position
Compressed part 72a in the top and holding section 72b positioned at bottom, the compressed part 72a and holding section 72b using rotating part 72c as
Separation, and the rotating part 72c synchronous rotaries are surrounded, the rotating part 72c is fixedly connected with the mounting platform 71a；Its
In, the test bench pedestal 4 is provided with neck, and the fixture block protruded with the holding section 72b bottoms is adapted to；The pressing part 1
Upper end is provided with manual knob 6, and the manual knob 6 is rotary body, and the outer wall 61 of the rotary body and the compressed part 72a phases
Support, for extruding compressed part 72 so that the fixture block is caught in the neck；Gap is additionally provided with the outer wall 61
62, for releasing extruding of the manual knob 6 to the compressed part 72a；The integrated circuit module 11 and the press section
1 is divided to be connected by thimble 12, described one end of integrated circuit module 11 has socket terminals 13, and the socket terminals 13 have spring
The socket terminals 13 are withstood in piece, described one end of targeting part 2, and the targeting part 2 and described lead are set between test bench pedestal 4
There are back-moving spring 14 and float plate 15, the back-moving spring 14 includes rubber shell 14a and is arranged in the rubber shell 14a
The first cavity 14b, the first cavity 14b in be provided with spring, the rubber shell 14a upper and lower parts are provided with ripple
The second cavity is provided with line pipe 14c, the bellows 14c, the first cavity 14b and second cavity are independently arranged,
The rubber shell 14a point be upper and lower two parts, and is provided with guiding mechanism 14d between described two parts up and down, be easy to top with
The centering of bottom；The electric connecting member 3 includes the first electric connecting member 31 and the second electric connecting member 32, and described
One electric connecting member 31 is provided with the metal column 9 being connected with the socket terminals 13, and the metal column 9 is copper post, it is possible to increase
Stability, electric conductivity and the corrosion resistance of signal, the metal column 9 and the Elastic Contact of socket terminals 13, second electricity
The inside of gas coupling part 32 is provided with spring probe, and the spring probe passes through second electric connecting member 32, the spring
Probe pin upper ends and the elastic connection of the first electric connecting member 31, the spring probe bottom and the elasticity of testing host 5
Connection.
Radiating copper billet 10 is provided between the pressing part 1 and the integrated circuit module 11, the radiating copper billet 10 is used
In heat caused by integrated circuit module 11 described in Quick diffusing, the integrated circuit module 11 is set to control in certain temperature model
In enclosing, first electric connecting member 31 is bonded copper post and engineering plastics by stickum, it is ensured that signal conduction it is same
When and can ensure the independence of each signal.
During present invention work, the fixture block that holding section 72b bottoms protrude is caught on the test bench pedestal 4 first set
Neck in, now the outer wall 61 of compressed part 72a and manual knob offsets, now because rotating part 72c and mounting platform 72a are fixed
Connection, therefore the mounting platform 72a reliably fits together with the test bench pedestal 4；Then rotate the rotation manually
Button 6, when gap 62 is rotated to the compressed part 72a, holding section 72b is pressed manually, rotated in the manual knob 6
During, the pressing part 1 is threaded into, and drives the thimble 12 to press down on the integrated circuit module 11,
The integrated circuit module 11 is set to be pressed into test position, the targeting part 2 is mainly by institute by the tolerance fit of size
The correcting of integrated circuit module 11 is stated to correct position, it is ensured that the socket terminals 13 of integrated circuit module 11 are not damaged by, described
The socket terminals 13 are connected by the back-moving spring 14 of targeting part 2 with the electric connecting member 3 automatically, the first electrical connection
Part 31 is mainly bonded copper rod and engineering plastics by stickum, it is ensured that each signal is also ensured that while signal conduction
Independence, signal is conducted to the second electric connection part by first electric connecting member 31 by the spring probe upper end
Divide in 32 plane, electric signal is conducted to test master by second electric connecting member 32 by the bottom of the spring probe
Electrical reliability is carried out on plate 5 to be tested, and when completing test, manually knob 6 screws out screw thread, makes the pressing part 1
Separated with the integrated circuit module 11, while separation, back-moving spring 14 in the targeting part 2 is by the integrated circuit
Module 11 is upspring, in the process, recoil of spring in the first cavity 14b it is very fast, easily device is caused to damage, therefore set
The bellows 14c including the second cavity is put, first by rebound effect on bellows 14c, bellows 14c rises spring here
To the effect of buffering, when bellows 14c is extruded to a certain degree, cushioning effect is gradually reduced, the screen resilience of spring by by
Being applied on integrated circuit module 11 gradually, this process do not need tester to separate by hand, facilitate the integrated circuit module
11 pick and place.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands present disclosure and is carried out, and it is not intended to limit the scope of the present invention, all according to spirit of the invention
The equivalent change or modification that essence is done, it should all cover within the scope of the present invention.
Claims (9)
- A kind of 1. test jack of insertion slot type terminal, it is characterised in that：Including pressing part（1）, targeting part（2）, electrically connect Socket part point（3）, test bench pedestal（4）, bindiny mechanism（7）And testing host（5）, the pressing part（1）With the guide part Point（2）Between place integrated circuit module（11）, the test bench pedestal（4）It is arranged on the targeting part（2）With the survey Try mainboard（5）Between, the electric connecting member（3）It is arranged on the integrated circuit template（11) with the testing host（5） Between, and pass through the test bench pedestal（4）, the bindiny mechanism（7）It is arranged on the test bench pedestal（4）Go up and be located at institute State pressing part（1）Outer ring, and with the pressing part（1）Outer ring is threadedly coupled, the integrated circuit module（11）One end has There are socket terminals（13）, the targeting part（2）Withstand the socket terminals in one end（13）, the other end withstands the test bench base Seat（4）, the targeting part（2）With the test bench pedestal（4）Between be provided with back-moving spring（14）, the electric connecting member （3）Provided with the socket terminals（13）The metal column of connection（9）, the electric connecting member（3）With the testing host（5） Between connected by spring probe；The back-moving spring（14）Including rubber shell（14a）Be arranged at the rubber shell（14a）The first interior cavity （14b）, first cavity（14b）Inside it is provided with spring, the rubber shell（14a）Upper and lower part is provided with bellows （14c）, the bellows（14c）Inside it is provided with the second cavity, first cavity（14b）Independently set with second cavity Put.
- A kind of 2. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The electric connecting member （3）Including the first electric connecting member（31）With the second electric connecting member（32）, the spring probe through described second electricity Gas coupling part（32）, the spring probe（8）Upper end and first electric connecting member（31）Elastic connection, the spring Probe（8）Lower end and the testing host（5）Elastic connection, first electric connecting member（31）Pass through stickum and work Engineering plastics bond.
- A kind of 3. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The electric connecting member （3）With the socket terminals（13）The metal column of connection（9）For copper post.
- A kind of 4. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The socket terminals（13） Provided with reed, the metal column（9）Contacted with the elasticity of spring leaf.
- A kind of 5. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The bindiny mechanism（7） Including contiguous block and fixed block, the contiguous block includes and the pressing part（1）The mounting platform being connected through a screw thread (71a), the mounting platform (71a) and the test bench pedestal（4）It is be hinged；The fixed block includes superposed compressed part（72a）With positioned at the holding section of bottom（72b）, the compressed part （72a）And holding section（72b）With rotating part（72c）For separation, and surround the rotating part（72c）Synchronous rotary, the rotation Transfer part（72c）It is fixedly connected with the mounting platform (71a)；Wherein, the test bench pedestal（4）Neck is provided with, with the holding section（72b）The fixture block adaptation that bottom protrudes；The pressing part（1）Upper end is provided with manual knob（6）, the manual knob（6）For rotary body, and the rotary body Outer wall（61）With the compressed part（72a）Offset, for the compressed part（72a）Extruded so that the fixture block is caught in In the neck；The outer wall（61）On be additionally provided with gap（62）, for releasing the manual knob（6）To the compressed part （72a）Extruding.
- A kind of 6. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The pressing part（1） Inside is provided with radiating copper billet（10）.
- A kind of 7. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The targeting part（2） With the test bench pedestal（4）Between be additionally provided with float plate（15）.
- A kind of 8. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The pressing part（1） Bottom is provided with thimble（12）.
- A kind of 9. test jack of insertion slot type terminal according to claim 1, it is characterised in that：The rubber shell （14a）It is divided into two parts up and down, and guiding mechanism is provided between described two parts up and down（14d）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613636.7A CN107576902B (en) | 2017-07-25 | 2017-07-25 | A kind of test jack of insertion slot type terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613636.7A CN107576902B (en) | 2017-07-25 | 2017-07-25 | A kind of test jack of insertion slot type terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107576902A true CN107576902A (en) | 2018-01-12 |
| CN107576902B CN107576902B (en) | 2018-05-22 |
Family
ID=61034008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613636.7A Active CN107576902B (en) | 2017-07-25 | 2017-07-25 | A kind of test jack of insertion slot type terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107576902B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991450A (en) * | 2019-04-25 | 2019-07-09 | 法特迪精密科技（苏州）有限公司 | A kind of production technology of hyperfrequency mould group test fixture and its test bench |
| CN110488050A (en) * | 2019-08-26 | 2019-11-22 | 福州汇思博信息技术有限公司 | A kind of test fixture of the Socket structure with shield effectiveness |
| CN110687434A (en) * | 2019-10-30 | 2020-01-14 | 广州视源电子科技股份有限公司 | Screen wire terminal detection mechanism, use method thereof and screen wire terminal detector |
| CN111060778A (en) * | 2018-10-15 | 2020-04-24 | 东京毅力科创株式会社 | Intermediate connecting member and testing device |
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| CN1513219A (en) * | 2001-05-31 | 2004-07-14 | 莫列斯公司 | Socket connector and contact for use in socket connector |
| CN203616376U (en) * | 2013-11-26 | 2014-05-28 | 亚世光电股份有限公司 | Module current detection device |
| CN205195797U (en) * | 2015-07-14 | 2016-04-27 | 深圳华视光电有限公司 | General testing arrangement of LCD module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513219A (en) * | 2001-05-31 | 2004-07-14 | 莫列斯公司 | Socket connector and contact for use in socket connector |
| CN2545713Y (en) * | 2002-05-13 | 2003-04-16 | 范伟芳 | Modular IC socket |
| CN203616376U (en) * | 2013-11-26 | 2014-05-28 | 亚世光电股份有限公司 | Module current detection device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111060778A (en) * | 2018-10-15 | 2020-04-24 | 东京毅力科创株式会社 | Intermediate connecting member and testing device |
| CN111060778B (en) * | 2018-10-15 | 2022-06-17 | 东京毅力科创株式会社 | Intermediate connecting member and testing device |
| CN109991450A (en) * | 2019-04-25 | 2019-07-09 | 法特迪精密科技（苏州）有限公司 | A kind of production technology of hyperfrequency mould group test fixture and its test bench |
| CN109991450B (en) * | 2019-04-25 | 2024-01-23 | 法特迪精密科技（苏州）有限公司 | Ultrahigh frequency module test fixture and production process of test seat thereof |
| CN110488050A (en) * | 2019-08-26 | 2019-11-22 | 福州汇思博信息技术有限公司 | A kind of test fixture of the Socket structure with shield effectiveness |
| CN110687434A (en) * | 2019-10-30 | 2020-01-14 | 广州视源电子科技股份有限公司 | Screen wire terminal detection mechanism, use method thereof and screen wire terminal detector |
| CN110687434B (en) * | 2019-10-30 | 2022-05-10 | 广州视源电子科技股份有限公司 | Screen wire terminal detection mechanism, use method thereof and screen wire terminal detector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107576902B (en) | 2018-05-22 |
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Address after: Room 103, Building 3, No. 18 Dongchang Road, Industrial Park, Suzhou City, Jiangsu Province, 215021 Patentee after: Suzhou Fatedi Technology Co.,Ltd. Country or region after: China Address before: Room 103, Building 3, No. 18 Dongchang Road, Industrial Park, Suzhou City, Jiangsu Province, 215021 Patentee before: FTDEVICE TECHNOLOGY (SUZHOU) CO.,LTD. Country or region before: China |
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