CN107824924A - A kind of optical device automatic coupling fixing device - Google Patents
A kind of optical device automatic coupling fixing device Download PDFInfo
- Publication number
- CN107824924A CN107824924A CN201711207815.7A CN201711207815A CN107824924A CN 107824924 A CN107824924 A CN 107824924A CN 201711207815 A CN201711207815 A CN 201711207815A CN 107824924 A CN107824924 A CN 107824924A
- Authority
- CN
- China
- Prior art keywords
- optical device
- automatic coupling
- fixing
- fixing groove
- solder
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 84
- 238000010168 coupling process Methods 0.000 title claims abstract description 36
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 36
- 230000008878 coupling Effects 0.000 title claims abstract description 35
- 229910000679 solder Inorganic materials 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000007711 solidification Methods 0.000 claims description 17
- 230000008023 solidification Effects 0.000 claims description 17
- 229920001342 Bakelite® Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000004637 bakelite Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/62—Optical apparatus specially adapted for adjusting optical elements during the assembly of optical systems
Abstract
The invention discloses a kind of optical device automatic coupling fixing device, including mounting seat, optical device fixture, the fixed component for fixing the optical device fixture, register, control unit, the fixed component includes the fixing groove being arranged in the mounting seat, and the solder being filled in the fixing groove；The register includes some heaters and cooling device being arranged on the fixing groove outer wall；The control unit includes control terminal and is arranged on the temperature sensor for communicating connection in fixing groove with the control terminal electricity；The register connects with the control terminal electricity communication.Fixed component of the present invention alternatively descends kinematic axis after optical device alignment, keeps the relative position inside optical device group constant, and kinematic axis can carry out the alignment work of next group of optical device, improve the production efficiency of optical device automatic coupling.
Description
Technical field
The present invention relates to optical device automatic coupling production technical field, particularly a kind of optical device automatic coupling fixes dress
Put.
Background technology
With the popularization of 4G technologies in China, the requirement more and more higher for communication network, therefore optic communication is produced
Also more and more higher, the manufacturing technology of opto-electronic device become particularly important for the demand of product and the demand of quality.
Chinese CN204339152U patents disclose a kind of TO encapsulated lasers automatic coupling welder, including rotation
Platform, in addition to the support bar being arranged on rotation platform, the top of support bar are fixed with entablature, electricity are fixed with entablature
Machine, linear bearing is arranged with support bar, linear bearing is connected with sill, and motor connects with screw axis, screw mandrel and is arranged on down
The screwed hole adaptation of crossbeam connects, and is additionally provided with XY motorized precision translation stages on rotation platform, lower folder is provided with XY motorized precision translation stages
Head, sill bottom are provided with upper grip, and rotation platform surrounding is fixed with welding gun.Welder welding of the present invention is with coupling
It can not carry out simultaneously, operating efficiency is relatively low.
Chinese CN105372760A patents are related to a kind of light shutter device automatic coupling based on relay and ultraviolet solid
Change system, including anti-vibration platform and be installed on anti-vibration platform sextuple coupling device, automatic ultra-violet curing device, machine vision
Device, period on-line monitoring device.The automatic four-dimensional micropositioning stage aligned units install push rod electricity on the basis of manual fine-tuning frame
Machine and coupled structure unit convert.Right-hand member micropositioning stage is fixed, and it is real to adjust left end micropositioning stage by control circuit control algolithm
Now look for optical coupling.The present invention is moved to device coupling position by moving assembly, is completed by ultra-violet curing device after solidifying
Aforesaid operations can be carried out to next component, operating efficiency is relatively low, and man-hour is longer, and cost is higher.
In existing optical device Auto-coupling System, after optical device alignment, to carry out dispensing and fix.Fixed in dispensing
Before, optical device is to realize that relative position is constant by the motor holding torque of each kinematic axis.According to device difference is coupled, need
The motion number of axle wanted differs.At present, in the market does not have a kind of fixture, can after optical device has been aligned, instead of kinematic axis,
To keep relative position current between optical device constant.Kinematic axis can only maintain current state during dispensing is fixed,
To ensure the fixation of position between optical device, to support follow-up dispensing fixed operation.The wasting of resources is caused, reduces production effect
Rate.Therefore, it is badly in need of designing a kind of optical device automatic coupling fixing device to overcome above technological deficiency.
The content of the invention
The purpose of the present invention is the problem of presence for prior art, there is provided a kind of optical device automatic coupling fixing device,
The device after optical device alignment, is substituted lower kinematic axis, keeps the relative position inside optical device group by the fixed component
It is constant；Rapid melting and the solidification of the fixed component are realized by the register；Institute is realized by the control unit
State the temperature automatically controlled function of device.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of optical device automatic coupling fixing device, including mounting seat, optical device fixture, for fixing optical device folder
The fixed component of tool, register, control unit, the fixed component include the fixing groove being arranged in the mounting seat, with
And it is filled in the solder in the fixing groove；The register includes some heating dress being arranged on the fixing groove outer wall
Put and cooling device；The control unit includes control terminal and is arranged in fixing groove logical with the control terminal electricity
Interrogate the temperature sensor of connection；The register connects with the control terminal electricity communication.
Optical device automatic coupling fixing device of the present invention, before optical device alignment, described in the control unit control
Heater heats to the solder in the fixing groove, and when temperature is higher than the solder melting temperature, the solder is complete
Complete to melt, temperature signal is transferred to the control terminal by the temperature sensor, and the optical device is fixed on the optical device
On fixture, the control terminal control kinematic axis grips one group of optical device, the other end of the optical device fixture is stretched into described
In fixed component, the kinematic axis is moved to coupling table together with the fixed component and carries out optical device alignment function, during which institute
Register is stated by temperature stabilization within the temperature range of ensureing that the solder is molten state.After the optical device is aligned,
Heater stop described in the control terminal control heats, and the cooling device work, the solder is quickly solidified, works as institute
After stating solder solidification, the kinematic axis stops clamping optical device, and the fixed component is moved to point gum machine working region and carried out a little
Glue.Meanwhile the kinematic axis grips next group of optical device and is operated, and improves operating efficiency.
Preferably, the fixed component is solder bath, and the solder is kamash alloy.
The scolding tin is a kind of relatively low weldering of fusing point to connect the essential industry raw material of electronic original part in welding circuit
Material, the present invention using fusing point 180 DEG C kamash alloy be used as solder, with fusing point it is low, mobility is moderate, and intensity is big after solidification
Etc. excellent properties, disclosure satisfy that the requirement of optical device precision.
Preferably, the fixing end that the optical device fixture stretches into the fixed component is copper body, and another bare terminal end is by bakelite
Material is made；The fixing end is provided with the anti-skid structure for preventing from sliding in solder of the optical device fixture after the solidification.
By said structure, when the solder is molten state, the fixing end will not deform, and have preferably stable
Property, the bare terminal end can effectively prevent high temperature from being impacted to the service behaviour of the optical device；When the solder solidification,
Pass through the phase for being designed to effectively avoid the optical device fixture and the solder after the solidification of the fixing end anti-skid structure
Displacement is changed.
Preferably, the fixing groove is copper body, and it is sliding in the fixing groove that inside is provided with the solder after preventing the solidification
Dynamic anti-skid structure.
The fusing point of copper is 1000 DEG C, when heater of the present invention makes the solder fusing to fixing groove heating
When, the cylinder has preferable stability, is not in fixing groove deformation effect subsequent operation in heating process
Problem；Anti-skid structure is provided with inside the fixing groove, after the solder solidification, the anti-skid structure can play good card
Tight effect, effectively prevents the solder after the solidification and the relative displacement of the fixing groove from changing.
Preferably, the heater is five PTC constant temperature warming pieces for being arranged on the fixing groove surrounding and bottom.
The PTC heated at constant temperature piece has that thermal resistance is small, can be existed heating-up temperature is stable according to the fusing point of the solder
190 DEG C, the PTC heated at constant temperature piece heat exchange efficiency is high in addition, will not cause the phenomenon of heating device surface " rubescent ", security
Can be higher；The PTC heated at constant temperature piece is arranged on the fixing groove surrounding and bottom, and the fixing groove can be carried out excessively uniformly to add
Heat.
Preferably, the cooling device is air cooling equipment.By increasing the air flow of the fixed rooved face, make filling
Solder fast cooling solidification in the fixing groove, when temperature is down to the solder solidification temperature, the kinematic axis
Next group of optical device can be clamped, greatly improves operating efficiency.
Preferably, the temperature sensor is thermistor.
The thermistor temperature-sensitive precision is up to 0.1 DEG C, temperature-sensitive time as little as below 10s, has higher sensitivity, institute
State thermistor to be close on the fixed cell wall, and the temperature signal collected is transferred to the control terminal, the control
The temperature signal that terminal processed provides according to the thermistor, it can accurately detect the working condition of the solder.
Preferably, the mounting seat is made up of the bakelite plate for offering heat emission hole.By said structure, increase the fixation
The contact area of groove and air, when the cooling device works, wind is directly blown onto in fixing groove by heat emission hole and carried out quickly
Heat exchange, realize the purpose of rapid condensation；The mounting seat is made up of bakelite material, has high temperature resistant and heat-insulated superiority
Can, other structures are impacted when can effectively avoid the optical device automatic coupling fixing device from working.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, fixed component of the present invention can substitute lower kinematic axis, keep inside optical device group after optical device alignment
Relative position it is constant, improve optical device automatic coupling production efficiency；
2nd, heater thermal resistance of the present invention is small, and heat exchange rate is high, and the fixing groove uniformly can be heated, and has
There is the function of automatic constant-temperature and power saving；
3rd, temperature sensor temperature-sensitive precision of the present invention, the temperature-sensitive time is short, can accurately sense the fixed component
Temperature change；
4th, control terminal of the present invention connects with register electricity communication, realizes temperature automatically controlled function；
5th, fixing groove of the present invention adds anti-skid structure with the optical device fixture, after effectively can preventing alignment
Optical device occur relative displacement change.
Brief description of the drawings
Fig. 1 is a kind of structural representation of optical device automatic coupling fixing device of the present invention；
In figure：1st, mounting seat；2nd, optical device fixture；3rd, fixing groove；4th, solder；5th, heater；6th, cooling device；7th, it is warm
Spend sensor；8th, heat emission hole.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, technical scheme is clearly and completely described, it is clear that
Described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the implementation in the present invention
Example, all other embodiment that those of ordinary skill in the art are obtained under the conditions of creative work is not made, is belonged to
The scope of protection of the invention.
Embodiment 1
A kind of optical device automatic coupling fixing device, including mounting seat 1, optical device fixture 2, for fixing the optical device
The fixed component of fixture 2, register, control unit, the fixed component include the fixing groove being arranged in the mounting seat 1
3, and the solder 4 being filled in the fixing groove 3；If the register includes being arranged on the outer wall of fixing groove 3
Dry heater 5 and cooling device 6；The control unit include control terminal and be arranged in fixing groove 3 with it is described
Control the temperature sensor 7 of terminal electricity communication connection；The register connects with the control terminal electricity communication.
Before optical device alignment, the control unit controls the heater 5 to the solder in the fixing groove 3
4 are heated, and when temperature is higher than 4 fusion temperature of solder, the solder 4 melts completely, and the temperature sensor 7 is by temperature
Degree signal is transferred to the control terminal, and the optical device is fixed on the optical device fixture 2, the control terminal control fortune
Moving axis grips one group of optical device, the other end of the optical device fixture 2 is stretched into the fixed component, the kinematic axis and institute
State fixed component be moved to together coupling table carry out optical device alignment function, during which described in register temperature stabilization is being ensured
The solder 4 is within the temperature range of molten state.After the optical device is aligned, dress is heated described in the control terminal control
5 stoppings heating being put, the cooling device 6 works, and the solder 4 is quickly solidified, after the solder 4 solidifies, the motion
Axle stops clamping optical device, and the fixed component is moved to point gum machine working region and carries out dispensing.Meanwhile the kinematic axis gripping
Next group of optical device is operated.
Preferably, the temperature sensor 7 is thermistor, can accurately detect the working condition of the solder 4.
Embodiment 2
A kind of optical device automatic coupling fixing device of the present invention, compared with Example 1, difference is described solid
It is solder bath to determine part, and the solder 4 is SnPb63 of the fusing point at 180 DEG C, and the fixing groove 3 is copper body, and inside is provided with anti-
The helicitic texture that only solder 4 after the solidification slides in the fixing groove 3.
When the solder 4 is heated to 180 DEG C, the solder 4 is molten state, and now the optical device can be in the fortune
Alignment function is carried out under the drive of moving axis；When the temperature of solder 4 is down to 130 DEG C, the solder 4 solidifies, now the fortune
Moving axis is removable, and the optical device is moved to progress dispensing work at point gum machine in the drive of the fixed component；The weldering
Helicitic texture inside tin pond can effectively prevent from solder bath occurring after soldering tin binds the change of relative displacement.
Embodiment 3
A kind of optical device automatic coupling fixing device of the present invention, compared with Example 1, difference is the light
The fixing end that device clamp 2 stretches into the fixed component is copper body, and another bare terminal end is made up of bakelite material, and the fixing end is set
There is the helicitic texture for preventing being slided in SnPb63 of the optical device fixture 2 after the solidification.
When the SnPb63 is molten state, the fixing end has preferable stability, is not in deformation
Problem；The bare terminal end high temperature resistant heat insulation, avoid causing shadow to the service behaviour of the smooth utensil during heating of fixing groove 3
Ring；Meanwhile when the SnPb63 solidifies, the optical device fixture 2 and institute can effectively be prevented by the helicitic texture
The relative displacement for stating the SnPb63 after solidification changes.
Embodiment 4
A kind of optical device automatic coupling fixing device of the present invention, compared with Example 1, difference are described add
Thermal 5 is to be arranged on five PTC constant temperature warming pieces of the surrounding of fixing groove 3 and bottom；The cooling device 6 is air-cooled dress
Put；The mounting seat 1 is made up of the bakelite plate for offering heat emission hole 8.
Before optical device alignment, the PTC constant temperature warmings piece adds under the control of control unit to solder bath
Heat, when temperature be higher than 180 DEG C, at this moment scolding tin is completely melt, carry out alignment function, during which described in PTC constant temperature warmings piece will described in
Scolding tin temperature stabilization is at 190 DEG C；After the optical device is aligned, control of the PTC constant temperature warmings piece in the control unit
Under be stopped, air cooling equipment work, the solder bath and the contact area of air are increased by the heat emission hole 8, made
The scolding tin fast cooling solidification.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of optical device automatic coupling fixing device, it is characterised in that the optical device automatic coupling fixing device includes peace
Seat (1), optical device fixture (2), the fixed component for fixing the optical device fixture (2), register, control unit are filled,
The fixed component includes the fixing groove (3) being arranged in the mounting seat (1), and is filled in the fixing groove (3)
Solder (4)；The register includes some heaters (5) being arranged on the fixing groove (3) outer wall and cooling dress
Put (6)；The control unit includes control terminal and is arranged in fixing groove (3) to connect with the control terminal electricity communication
Temperature sensor (7)；The register connects with the control terminal electricity communication.
2. a kind of optical device automatic coupling fixing device according to claim 1, it is characterised in that the fixed component is
Solder bath, the solder (4) are kamash alloy.
A kind of 3. optical device automatic coupling fixing device according to claim 1, it is characterised in that the optical device fixture
(2) fixing end for stretching into the fixed component is copper body, and another bare terminal end is made up of bakelite material.
4. a kind of optical device automatic coupling fixing device according to claim 3, it is characterised in that the fixing end is provided with
Prevent the anti-skid structure slided in solder (4) of the optical device fixture (2) after the solidification.
A kind of 5. optical device automatic coupling fixing device according to claim 1, it is characterised in that the fixing groove (3)
For copper body, inside is provided with the anti-skid structure that the solder (4) after preventing the solidification slides in the fixing groove (3).
A kind of 6. optical device automatic coupling fixing device according to claim 1, it is characterised in that the heater
(5) it is to be arranged on five PTC constant temperature warming pieces of the fixing groove (3) surrounding and bottom.
A kind of 7. optical device automatic coupling fixing device according to claim 1, it is characterised in that the cooling device
(6) it is air cooling equipment.
A kind of 8. optical device automatic coupling fixing device according to claim 1, it is characterised in that the temperature sensor
(7) it is thermistor.
A kind of 9. optical device automatic coupling fixing device according to claim 1, it is characterised in that the mounting seat (1)
It is made up of the bakelite plate for offering heat emission hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207815.7A CN107824924A (en) | 2017-11-27 | 2017-11-27 | A kind of optical device automatic coupling fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207815.7A CN107824924A (en) | 2017-11-27 | 2017-11-27 | A kind of optical device automatic coupling fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107824924A true CN107824924A (en) | 2018-03-23 |
Family
ID=61645786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711207815.7A Pending CN107824924A (en) | 2017-11-27 | 2017-11-27 | A kind of optical device automatic coupling fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107824924A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311610A (en) * | 1993-03-31 | 1994-05-10 | Bell Communications Research, Inc. | Low-stress coupling of electrooptical device to optical fiber |
| CN103336339A (en) * | 2013-06-26 | 2013-10-02 | 江苏奥雷光电有限公司 | Coupling device for optical device and coupling method |
| CN103350213A (en) * | 2013-07-04 | 2013-10-16 | 常州市三维技术成套设备有限公司 | Low-melting-point alloy casting positioning technology in turbine blade machining |
| CN103962866A (en) * | 2014-05-27 | 2014-08-06 | 中国电子科技集团公司第四十三研究所 | Non-magnetic sheet clamping and positioning tool and manufacturing method thereof |
| CN105334095A (en) * | 2015-12-01 | 2016-02-17 | 贵州大学 | Sample preparation method and device for metal material transmission electron microscope with diameter of less than 3 mm |
| CN207681677U (en) * | 2017-11-27 | 2018-08-03 | 武汉比色光电科技有限公司 | A kind of optical device automatic coupling fixing device |
-
2017
- 2017-11-27 CN CN201711207815.7A patent/CN107824924A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311610A (en) * | 1993-03-31 | 1994-05-10 | Bell Communications Research, Inc. | Low-stress coupling of electrooptical device to optical fiber |
| CN103336339A (en) * | 2013-06-26 | 2013-10-02 | 江苏奥雷光电有限公司 | Coupling device for optical device and coupling method |
| CN103350213A (en) * | 2013-07-04 | 2013-10-16 | 常州市三维技术成套设备有限公司 | Low-melting-point alloy casting positioning technology in turbine blade machining |
| CN103962866A (en) * | 2014-05-27 | 2014-08-06 | 中国电子科技集团公司第四十三研究所 | Non-magnetic sheet clamping and positioning tool and manufacturing method thereof |
| CN105334095A (en) * | 2015-12-01 | 2016-02-17 | 贵州大学 | Sample preparation method and device for metal material transmission electron microscope with diameter of less than 3 mm |
| CN207681677U (en) * | 2017-11-27 | 2018-08-03 | 武汉比色光电科技有限公司 | A kind of optical device automatic coupling fixing device |
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Application publication date: 20180323 |
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