CN107102253A - Test equipment and its to electric tool - Google Patents

Test equipment and its to electric tool Download PDF

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Publication number
CN107102253A
CN107102253A CN201710325163.0A CN201710325163A CN107102253A CN 107102253 A CN107102253 A CN 107102253A CN 201710325163 A CN201710325163 A CN 201710325163A CN 107102253 A CN107102253 A CN 107102253A
Authority
CN
China
Prior art keywords
probe
electric tool
probe base
multiple elastic
groove
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.)
Granted
Application number
CN201710325163.0A
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Chinese (zh)
Other versions
CN107102253B (en
Inventor
胡海
李国泉
王泰山
李成鹏
刘文斌
方继林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN POKONG ELECTRONICS Ltd
Tsinghua University
Shenzhen Research Institute Tsinghua University
Original Assignee
SHENZHEN POKONG ELECTRONICS Ltd
Shenzhen Research Institute Tsinghua University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN POKONG ELECTRONICS Ltd, Shenzhen Research Institute Tsinghua University filed Critical SHENZHEN POKONG ELECTRONICS Ltd
Priority to CN201710325163.0A priority Critical patent/CN107102253B/en
Publication of CN107102253A publication Critical patent/CN107102253A/en
Priority to PCT/CN2018/086234 priority patent/WO2018205960A1/en
Application granted granted Critical
Publication of CN107102253B publication Critical patent/CN107102253B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2851Testing of integrated circuits [IC]
    • G01R31/2855Environmental, reliability or burn-in testing
    • G01R31/286External aspects, e.g. related to chambers, contacting devices or handlers
    • G01R31/2863Contacting devices, e.g. sockets, burn-in boards or mounting fixtures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2851Testing of integrated circuits [IC]
    • G01R31/2855Environmental, reliability or burn-in testing
    • G01R31/286External aspects, e.g. related to chambers, contacting devices or handlers
    • G01R31/2865Holding devices, e.g. chucks; Handlers or transport devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Measuring Leads Or Probes (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)

Abstract

The embodiments of the invention provide one kind to electric tool, high current is injected when not being electrically isolated naked BAR tests for noise spectra of semiconductor lasers, include probe clamp and multiple elastic probes to electric tool, probe clamp grips multiple elastic probes, and needle point one end of multiple elastic probes is in same plane.The embodiment of the present invention further relates to a kind of test equipment.The elastic probe needle point to electric tool of the embodiment of the present invention is in same plane, by test equipment, is contacted well with not being electrically isolated naked BAR, is conducive to not being electrically isolated naked BAR tests.

Description

Test equipment and its to electric tool
Technical field
The present invention relates to semiconductor laser chip technical field of measurement and test, more particularly to a kind of test equipment and its to electricity Tool.
Background technology
With semiconductor laser (LD, Laser Diode) application field such as LD light-pumped solid state lasers (DPL, Diode- Pumped Solid-State Laser), the pumping source of all kinds of optical fiber lasers, laser cutting, welding, medical treatment and laser it is military Using etc. increasingly widen, noise spectra of semiconductor lasers power output, reliability requirement it is also increasing.Semiconductor laser core Piece is semiconductor laser core, the title with semiconductor laser " CPU ".
Full bar are a kind of high power semiconductor lasers chips not being electrically isolated, and the high-power half not being electrically isolated is led The naked BAR of body laser performance parameter (such as LIV characteristics, spectral characteristic) is tested and sign is profound understanding laser core Piece characteristic, the design of optimization chip structure and the key for improving chip production process, while being also to judge chip of laser quality Important evidence.Though therefore the high power semiconductor lasers chip that is not electrically isolated is carried out non-destructive testing for R&D institution, Production firm, using client all have particularly important meaning.
BAR naked to the high power semiconductor lasers that are not electrically isolated carries out non-destructive testing, need to ensure when test is to electricity to Electric tool and naked BAR give electric tool to need stabilization, be uniformly injected into larger electric current with the reliable contacts of certain pressure, therefore right It is required during naked BAR test to propose higher requirement to electric tool.
Referring to Fig. 1, Fig. 1 is principle schematic in the prior art to electric tool.It is existing be not electrically isolated it is high-power The naked BAR10 tests of semiconductor laser are used as to electric tool frequently with shell fragment sheet metal 20, and the defect being primarily present is:Though it Can be with certain elastic and naked BAR10 reliable contacts, but be difficult to overall fit with naked BAR10 to electric tool and contact, it is more difficult to ensure Electric current is uniformly injected on naked BAR10.
The content of the invention
The present invention provides one kind to electric tool, can solve the problem that being difficult to laminating with naked BAR to electric tool in the prior art contacts Technical problem.
In order to solve the above technical problems, one aspect of the present invention is:There is provided a kind of to electric tool, for pair Semiconductor laser injects high current when not being electrically isolated naked BAR tests, includes probe clamp and multiple elastic probes to electric tool, Probe clamp grips multiple elastic probes, and needle point one end of multiple elastic probes is in same plane.
Wherein, probe clamp includes probe base and probe fixture, and probe base is provided with accommodation space, and multiple elastic probes are set In in accommodation space, probe fixture is used to fix multiple elastic probes.
Wherein, probe base includes probe base body and the lug extended from probe base body side, and accommodation space is formed at The middle part of probe base body, lug is used to pre-fix exports electric wire to power supply.
Wherein, the first groove, the width of the first groove penetration probe seat body are formed with the middle part of probe base body Set, provided with accommodating block in the first groove, accommodation space is formed at accommodating block, and accommodation space is the second groove.
Wherein, the top surface that block top surface is less than probe base body is housed, the width for housing block is less than the width of probe base body, The space of accommodating block is closed in first groove to be used to place solder.
Wherein, probe fixture includes fixed plate and the boss extended from fixed plate bottom surface, and boss and the first groove coordinate Connection is fixedly connected with fixed multiple elastic probes, probe base with fixed plate by screw.
Wherein, multiple elastic probes are overlapped in multirow.
Wherein, multiple elastic probes are set in two rows, and often row has 25 elastic probes, and the external diameter of each elastic probe is 0.35mm, probe base and probe fixture are processed using red copper and are carried out nickel plating surface processing.
Wherein, multiple elastic probes cause needle point one end of multiple elastic probes is in same flat by plane making fixture Face, plane, which makes fixture, to be included being formed with the 3rd groove that section is in w types in jig main body, jig main body, and the 3rd groove includes Probe base bottom surface placed side, probe base side placed side, probe interface and the probe bearing surface being sequentially connected, probe base lead to Probe base bottom surface placed side and the positioning of probe base side placed side are crossed, multiple elastic probes are arranged on probe base, and needle point One end is extended to above probe interface, until being connected to probe bearing surface.
It is provided in an embodiment of the present invention to give electric tool by setting needle point to be in conplane multiple elastic probes, it is ensured that Contacted well to electric tool with not being electrically isolated naked BAR, be conducive to not being electrically isolated naked BAR tests.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, makes required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing, wherein:
Fig. 1 is principle schematic in the prior art to electric tool;
Fig. 2 is dimensional structure diagram of the present invention to electric tool;
Fig. 3 is the configuration schematic diagram to electric tool shown in Fig. 2;
Fig. 4 is the assembling structure schematic diagram for making fixture with plane to electric tool shown in Fig. 2.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Fig. 2 and Fig. 3 are referred to, Fig. 2 is dimensional structure diagram of the present invention to electric tool, and Fig. 3 is to electricity shown in Fig. 2 The configuration schematic diagram of tool.In the present embodiment, naked BAR tests are not electrically isolated for noise spectra of semiconductor lasers to electric tool When inject high current, wherein, naked BAR refers to the unencapsulated BAR bars not being electrically isolated, includes probe clamp and multiple to electric tool Elastic probe 101, probe clamp grips multiple elastic probes 101, and needle point one end of multiple elastic probes 101 is in same Plane.Due to the shell fragment sheet metal of prior art is replaced as into multiple elastic probes 101, and the needle point of multiple elastic probes 101 One end makes it possible to the naked BAR that fits well in same plane, so as to ensure that electric current is uniformly injected into.In the present embodiment, visit Pin fixture includes probe base 201 and probe fixture 301.
Probe base 201 is provided with accommodation space, and multiple elastic probes 101 are in accommodation space.Specifically, probe base 201 include probe base body 202 and the lug 203 extended from the side of probe base body 202, and accommodation space is formed at probe base sheet The middle part of body 202, lug 203 is used to pre-fix exports electric wire to power supply, it is preferable that probe base body 202 and lug 203 1 It is body formed.Further, the middle part of probe base body 202 is formed with the first groove 204, and the penetration probe of the first groove 204 seat is originally The width of body 202 is set, provided with accommodating block 205 in the first groove 204, and accommodation space is formed at accommodating block 205, houses sky Between be the second groove 206.Wherein, the top surface that the top surface of block 205 is less than probe base body 202 is housed, the width of accommodating block 205 is less than The space of accommodating block 205 is closed in the width of probe base body 202, the first groove 204 to be used to place solder.Wherein, sky is housed Between can also be formed at the positions such as the sidepiece of probe base body 202.House the top surface that the top surface of block 205 also can be with probe base body 202 Concordantly, the height for housing block 205 is determined by the height of elastic probe 101.It is noted that the two of probe base body 202 End further respectively has mounting hole 207, for that will give electric tool integral installation to test equipment.
Probe fixture 301 includes fixed plate 302 and the boss 303 extended from the bottom surface of fixed plate 302, boss 303 and the One groove 204 is connected, and probe base 201 is fixedly connected with fixed plate 302 by screw 40, and probe base body 202 closes on The both sides of one groove 204 are respectively equipped with two screws, and the corresponding position of fixed plate 302 is also respectively equipped with two screws, the He of probe base 201 Fixed plate 302 is fixedly connected by 4 screws 40.In the present embodiment, boss 303 is preferably that transition is matched somebody with somebody with the first groove 204 Close or gap coordinates, as long as the needle point of elastic probe 101 can be remained fixed at into same plane, to boss 303 and the The fit system of one groove 204 is not construed as limiting.In other embodiments, also can be without boss 303.Wherein, fixed plate 302 and boss 303 are preferably formed in one.
Multiple elastic probes 101 are overlapped in multirow.Preferably, in the present embodiment, multiple elastic probes 101 are in two rows Set, often row has 25 elastic probes 101, and the external diameter of each elastic probe 101 is 0.35mm, often capable elastic probe 101 It is closely coupled.Certainly, in other embodiments, the elastic probe such as 3 rows or 4 rows 101 is may also set up, or other external diameters are set Elastic probe 101, the present invention is not construed as limiting to the line number and external diameter of elastic probe 101.
Wherein, probe base 201 and probe fixture 301 are preferred to use red copper and process and carry out at nickel plating surface Reason, enables to probe base 201 and probe fixture 301 to be easy to welding by this way.
Wherein, split type probe clamp, i.e. probe clamp are used in the present embodiment including probe base 201 and are visited Pin fixture 301, can also use integrated probe fixture, this is not limited by the present invention in other embodiments.
Referring to Fig. 4, Fig. 4 is the assembling structure schematic diagram for making fixture 50 with plane to electric tool shown in Fig. 2.More than The needle point one end that refer to multiple elastic probes 101 is in same plane, in the present embodiment, and making fixture 50 by plane makes The needle point one end for obtaining multiple elastic probes 101 is in same plane, and plane, which makes fixture 50, includes jig main body 506, fixture master The 3rd groove 501 that section is in w types is formed with body 506, the bottom surface of probe base 201 that the 3rd groove 501 includes being sequentially connected is put Face 502, the side placed side 503 of probe base 201, probe interface 504 and probe bearing surface 505 are put, probe base 201 is by visiting The bottom surface placed side 502 of needle stand 201 and the side placed side 503 of probe base 201 are positioned, and multiple elastic probes 101 are arranged at probe base On 201, and needle point one end extends to the top of probe interface 504, until being connected to probe bearing surface 505.Wherein, at other Also directly it can cause needle point one end of multiple elastic probes 101 is in same flat using the fixture of a square in embodiment The horizontal plane of fixture is fixed in face, such as probe base 201, and needle point one end of elastic probe 101 abuts vertical plane so as to obtain multiple Needle point one end of elastic probe 101 is in same plane.
The structure to electric tool is described above, the assembling process of electric tool is introduced in citing below to:
1. being fixed on plane to electric tool to make on fixture 50,50 external diameter 0.35mm elastic probes 101 one by one put by array On being placed in the accommodation space of probe base body 202, the array format of elastic probe 101 is 2x25;
2. probe fixture 301 is fixed on probe base body 202 by 4 M2 screws;
3. the space that accommodating block 205 is closed in solder to the first groove 204 is added, by the array of elastic probe 101, probe base 201 and probe fixture 301 connect integral;
Removed 4. finally locking probe fixture 301 and being made from plane on fixture 50 to electric tool.
The present invention also provides a kind of test equipment, and the test equipment gives electricity tool, test equipment including above example It is capable of the characteristics such as the naked BAR of integration testing luminous power, electric and wavelength, swashs to develop and producing high performance high power semi-conductor Light device provides strong ensure.
It is provided in an embodiment of the present invention to give electric tool by setting needle point to be in conplane multiple elastic probes, it is ensured that Contacted well to electric tool with not being electrically isolated naked BAR, be conducive to not being electrically isolated naked BAR tests.Further, nothing can be carried out Damage, be up to 200A test with carrying pulse current.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills Art field, is included within the scope of the present invention.

Claims (10)

1. one kind is to electric tool, high current is injected when not being electrically isolated naked BAR tests for noise spectra of semiconductor lasers, its feature exists In described to include probe clamp and multiple elastic probes to electric tool, the probe clamp grips the multiple elasticity and visited Pin, needle point one end of the multiple elastic probe is in same plane.
2. it is according to claim 1 to electric tool, it is characterised in that the probe clamp includes probe base and probe is fixed Part, the probe base is provided with accommodation space, and the multiple elastic probe is in the accommodation space, and the probe fixture is used In fixed the multiple elastic probe.
3. according to claim 2 to electric tool, it is characterised in that the probe base includes probe base body and from described The lug of probe base body side extension, the accommodation space is formed at the middle part of the probe base body, and the lug is used for Pre-fix and export electric wire to power supply.
4. it is according to claim 3 to electric tool, it is characterised in that to be formed with first in the middle part of the probe base body recessed Groove, first groove is set through the width of the probe base body, and accommodation space, institute are provided with first groove State accommodation space and be formed at the accommodating block, the accommodation space is the second groove.
5. it is according to claim 4 to electric tool, it is characterised in that the accommodating block top surface is less than the probe base body Top surface, the width of the accommodating block, which is less than in the width of the probe base body, first groove, closes on the accommodating block Space be used for place solder.
6. according to claim 5 to electric tool, it is characterised in that the probe fixture includes fixed plate and from described The boss of fixed plate bottom surface extension, the boss is connected with fixed the multiple elastic probe, institute with first groove Probe base is stated to be fixedly connected by screw with the fixed plate.
7. it is according to claim 2 to electric tool, it is characterised in that the multiple elastic probe is overlapped in multirow.
8. it is according to claim 7 to electric tool, it is characterised in that the multiple elastic probe is set in two rows, is often gone With 25 elastic probes, the external diameter of each elastic probe is 0.35mm, and the probe base and the probe fixture are equal Processed using red copper and carry out nickel plating surface processing.
9. it is according to claim 2 to electric tool, it is characterised in that the multiple elastic probe makes fixture by plane So that needle point one end of the multiple elastic probe is in same plane, the plane, which makes fixture, includes jig main body, described The 3rd groove that section is in w types is formed with jig main body, the probe base bottom surface that the 3rd groove includes being sequentially connected is placed Face, probe base side placed side, probe interface and probe bearing surface, the probe base are placed by the probe base bottom surface Face and the positioning of probe base side placed side, the multiple elastic probe is arranged on the probe base, and needle point one end Extend to above probe interface, until being connected to the probe bearing surface.
10. a kind of test equipment, it is characterised in that the test equipment as described in claim any one of 1-9 including giving electricity Tool.
CN201710325163.0A 2017-05-10 2017-05-10 Test equipment and power supply jig thereof Active CN107102253B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710325163.0A CN107102253B (en) 2017-05-10 2017-05-10 Test equipment and power supply jig thereof
PCT/CN2018/086234 WO2018205960A1 (en) 2017-05-10 2018-05-10 Test device and power supply fixture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710325163.0A CN107102253B (en) 2017-05-10 2017-05-10 Test equipment and power supply jig thereof

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CN107102253A true CN107102253A (en) 2017-08-29
CN107102253B CN107102253B (en) 2020-05-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018205960A1 (en) * 2017-05-10 2018-11-15 深圳瑞波光电子有限公司 Test device and power supply fixture thereof
CN110017971A (en) * 2019-05-21 2019-07-16 深圳市杰普特光电股份有限公司 Laser bar photoelectric detection system

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US20140002123A1 (en) * 2011-03-14 2014-01-02 Chae-Yoon Lee Inspection apparatus for semiconductor device
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CN205720553U (en) * 2016-04-07 2016-11-23 深圳清华大学研究院 Multistation chip of laser assembly loading platform
CN205720305U (en) * 2016-04-14 2016-11-23 深圳清华大学研究院 The test device of semiconductor laser chip assembly
CN106597263A (en) * 2017-01-20 2017-04-26 深圳清华大学研究院 Test system of semiconductor laser chip
CN206930747U (en) * 2017-05-10 2018-01-26 深圳瑞波光电子有限公司 Test equipment and its to electric tool

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CN101256216A (en) * 2007-02-28 2008-09-03 新科实业有限公司 Jig for checking characteristic of semiconductor element, characteristic checking device and method
US20140002123A1 (en) * 2011-03-14 2014-01-02 Chae-Yoon Lee Inspection apparatus for semiconductor device
CN104638510A (en) * 2013-11-14 2015-05-20 山东浪潮华光光电子股份有限公司 Device and method for testing and aging small stack cell of semiconductor laser
CN105988069A (en) * 2015-01-29 2016-10-05 山东华光光电子股份有限公司 Testing and aging device of semiconductor laser and usage method
CN205720553U (en) * 2016-04-07 2016-11-23 深圳清华大学研究院 Multistation chip of laser assembly loading platform
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CN106597263A (en) * 2017-01-20 2017-04-26 深圳清华大学研究院 Test system of semiconductor laser chip
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018205960A1 (en) * 2017-05-10 2018-11-15 深圳瑞波光电子有限公司 Test device and power supply fixture thereof
CN110017971A (en) * 2019-05-21 2019-07-16 深圳市杰普特光电股份有限公司 Laser bar photoelectric detection system

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Publication number Publication date
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WO2018205960A1 (en) 2018-11-15

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