CN114101930A - Method and device for sharpening metal micro-wire - Google Patents
Method and device for sharpening metal micro-wire Download PDFInfo
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- CN114101930A CN114101930A CN202111497889.5A CN202111497889A CN114101930A CN 114101930 A CN114101930 A CN 114101930A CN 202111497889 A CN202111497889 A CN 202111497889A CN 114101930 A CN114101930 A CN 114101930A
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- fixing box
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 172
- 239000002184 metal Substances 0.000 title claims abstract description 172
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 42
- 238000003825 pressing Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001111 Fine metal Inorganic materials 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
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- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/0823—Devices involving rotation of the workpiece
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/32—Wires
Abstract
The application discloses a metal micro-wire sharpening method and a metal micro-wire sharpening device. The same power source or different power sources are adopted in the pointing device to drive the metal micro-wire starting end fixing box and the metal micro-wire tail end fixing box to coaxially rotate, so that the consistency of the rotation of the metal micro-wires is ensured. The taper of the processing point can be adjusted at will by adjusting the angles of the laser and the metal micro-wire, and the adjustment is flexible; the wire tip has smooth surface, no flash and no burr, and is easy to thread.
Description
Technical Field
The invention relates to the field of metal wire processing, in particular to a metal micro-wire sharpening method and a metal micro-wire sharpening device.
Background
The metal micro-wire is a micro-wire processed by stainless steel, gold, silver, copper, tungsten, molybdenum and other metal materials into micro-wires with the diameter of micron order, and has important application in the fields of integrated circuits, LED displays, 5G filters and high-frequency high-power semiconductor devices because the metal micro-wire has good heat conduction, electric conduction and weldability, and the thinner the metal micro-wire is processed, the higher the integration level of a circuit chip using the metal micro-wire can be. The metal micro-wire is required to be sharpened in order to ensure that the metal micro-wire can be smoothly inserted into the die hole of the drawing die. In the prior art, the metal micro-wire sharpening process mainly comprises a die sharpening method and an electrochemical corrosion method. The mould pointing method is that grooves are processed on an upper mould and a lower mould according to pointing requirements, and after the upper mould and the lower mould are closed, the redundant part of a metal micro-wire is removed to form a pointed end. The die tip pressing method is used, the die processing cost is high, and the tip is provided with flash. By using an electrochemical corrosion method, the taper of the metal micro-wire is uncontrollable, the surface is rough and the metal micro-wire is easy to break.
Disclosure of Invention
The invention aims to provide a method and a device for sharpening a metal micro-wire, wherein the method adopts micro-area heating, has high heating precision, low energy consumption and simple heating equipment structure, and can reduce the cost when being applied to the processing of the metal micro-wire.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
a metal micro-wire sharpening method comprises the following steps:
(1) tensioning the metal micro-wire pointed end to rotate the metal micro-wire;
(2) the laser emitted by the laser is irradiated by aiming at the metal micro-wire at an included angle of 1-60 degrees, and the laser spot is 5-10 microns;
(3) the laser emitted by the laser keeps the irradiation angle to continuously act on the rotating metal fine wire to cut the metal fine wire to form a sharp head.
The laser adopts a nanosecond pulse fiber laser, and the pulse is 10-100 ns. The laser power is 10-40W.
The diameter of the metal micro-wire is 6-25 microns.
A metal micro-wire sharpening device comprises a laser and a metal micro-wire rotating device, wherein the metal micro-wire rotating device comprises a starting end rotating mechanism and a tail end rotating mechanism, the sharpening end of a metal micro-wire sequentially passes through the starting end rotating mechanism and the tail end rotating mechanism, a sharpening section of the metal micro-wire is positioned between the starting end rotating mechanism and the tail end rotating mechanism and is driven by the starting end rotating mechanism and the tail end rotating mechanism to rotate, the laser is installed on an adjusting support, and laser emitted by the laser is emitted to the sharpening section at an included angle of 1-60 degrees.
As a preferable mode, the starting end rotating mechanism comprises a main motor and a metal micro-wire starting end fixing box, and a main shaft of the main motor is connected with the metal micro-wire starting end fixing box; the tail end rotating mechanism comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a metal micro-wire tail end fixing box, the first gear is installed on a main shaft of the main motor, the second gear is located between the first gear and the third gear and is meshed with the first gear and the third gear respectively, the fourth gear is connected with the third gear through a connecting rod, the fourth gear is meshed with the fifth gear, the fifth gear is meshed with an outer barrel of the metal micro-wire tail end fixing box, and the main motor drives the metal micro-wire start end fixing box and the metal micro-wire tail end fixing box to rotate coaxially.
Preferably, one end of the metal micro-wire initial end fixing box is provided with a shaft connecting sleeve, the other end of the metal micro-wire initial end fixing box is provided with a wire pressing groove, the metal micro-wire is placed in the initial end fixing box, and the metal micro-wire extends out of the metal micro-wire initial end fixing box from the wire pressing groove and is connected with the metal micro-wire tail end fixing box.
Preferably, a clamping piece connecting cavity is arranged at one end of the metal micro-wire tail end fixing box, which is connected with the metal micro-wire, and the clamping piece is connected with the metal micro-wire and then placed in the clamping piece connecting cavity. Preferably, the clamping piece comprises an upper cover and a lower cover which are hinged at one end, a fixing lug is formed by the opening and closing ends, a metal micro-wire fixing hole is formed in the center of the closed upper cover and the closed lower cover, and a positioning groove corresponding to the fixing lug is formed in the connecting cavity of the clamping piece. An elastic gasket is arranged at the position of the metal micro-wire fixing hole.
Preferably, the start end rotating mechanism includes a first motor and a metal micro-wire start end fixing box, the first motor drives the metal micro-wire start end fixing box to rotate, the metal micro-wire start end is fixed in the metal micro-wire start end fixing box, the end rotating mechanism includes a second motor and a metal micro-wire end fixing box, the second motor drives the metal micro-wire end fixing box to rotate, the metal micro-wire end is fixed in the metal micro-wire end fixing box, and the metal micro-wire start end and the metal micro-wire end rotate synchronously.
The invention has the beneficial effects that: the rotating metal fine wires are sharpened by laser emitted by a laser, so that the die processing is avoided, and the processing cost is reduced; the taper of the processing tip can be adjusted at will by adjusting the angle between the laser of the laser and the metal micro-wire, and the adjustment is flexible; the wire tip has smooth surface, no flash and no burr, and is easy to thread.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic diagram of the principle of the present invention.
FIG. 2 is a schematic view of a metal microwire sharpening device.
FIG. 3 is a schematic view of a fixing case for the beginning of a fine metal wire.
FIG. 4 is a schematic view of a fixing side of a fine metal wire end fixing box.
Fig. 5 is a schematic structural view of the clip.
FIG. 6 is a schematic view of the beginning of the metal micro-wire at the position of the fixed box pressing groove.
FIG. 7 is a schematic view of another embodiment of a metal microwire pointing device.
In the figure: the laser comprises a laser 1, a starting end rotating mechanism 2, a tail end rotating mechanism 3, a metal micro-wire 4, a main motor 5, a metal micro-wire starting end fixing box 6, a shaft connecting sleeve 6a, a wire pressing groove 6b, a wire inlet gap 6c, a guide opening 6d, a first gear 7, a second gear 8, a third gear 9, a fourth gear 10, a fifth gear 11, a connecting rod 12, a metal micro-wire tail end fixing box 13, a clamping piece connecting cavity 13a, a clamping piece 14, an upper cover 14a, a lower cover 14b, a fixing lug 14c, a metal micro-wire fixing hole 14d, an elastic gasket 14e, a hinged end 14f, a first motor 15 and a second motor 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
A metal micro-wire sharpening method comprises the following steps:
(1) tensioning the metal micro-wire pointed end to rotate the metal micro-wire;
(2) the laser emitted by the laser is irradiated by aiming at the metal micro-wire at an included angle of 1-60 degrees, and the laser spot is 5-10 microns;
(3) the laser emitted by the laser keeps the irradiation angle to continuously act on the rotating metal fine wire to cut the metal fine wire to form a sharp head.
The laser adopts a nanosecond pulse fiber laser, and the pulse is 10-100 ns. The laser power is 10-40W.
According to the metal micro-wire 4 sharpening method, the laser emitted by the laser 1 is utilized to sharpen the rotating metal micro-wire, the taper of the machined tip can be adjusted at will by adjusting the angle between the laser of the laser 1 and the metal micro-wire 4, as shown in figure 1, the angle alpha between the laser and the metal micro-wire 4 determines the sharpness degree of the tip, the smaller the angle is, the sharper the tip is, the taper of the machined tip can be flexibly adjusted through the angle alpha, and the use is flexible. In order to realize the method, the metal micro-wire 4 needs to be rotated and laser is cut uniformly in the sharpening process.
In order to realize the method for sharpening the metal micro-wire 4, the invention provides a metal micro-wire 4 sharpening device shown in figure 2, which comprises a laser 1 and a metal micro-wire 4 rotating device, wherein the metal micro-wire 4 rotating device comprises a starting end rotating mechanism 2 and a tail end rotating mechanism 3, the sharpening end of the metal micro-wire 4 sequentially passes through the starting end rotating mechanism 2 and the tail end rotating mechanism 3, the sharpening section of the metal micro-wire 4 is positioned between the starting end rotating mechanism 2 and the tail end rotating mechanism 3 and is driven by the starting end rotating mechanism 2 and the tail end rotating mechanism 3 to rotate, the laser 1 is arranged on an adjusting bracket, and laser emitted by the laser 1 is emitted to the sharpening section at an included angle of 1-60 degrees. The adjusting bracket is used for adjusting the angle of the laser 1, and various structures in the prior art can be used for adjusting the angle of the laser, such as an adjusting nut type and a free rotating base type, which are not described in detail herein. The starting end rotating mechanism 2 and the tail end rotating mechanism 3 can be driven by the same power source and synchronously rotate through gear transmission, and the structure has good synchronism and high adjusting precision. The initial end rotating mechanism 2 comprises a main motor 5 and a metal micro-wire initial end fixing box 6, wherein a main shaft of the main motor 5 is connected with the metal micro-wire initial end fixing box 6; the tail end rotating mechanism 3 comprises a first gear 7, a second gear 8, a third gear 9, a fourth gear 10, a fifth gear 11 and a metal micro-wire tail end fixing box 13, wherein the first gear 7 is installed on a main shaft of the main motor 5, the second gear 8 is located between the first gear 7 and the third gear 9 and is meshed with the first gear 7 and the third gear 9 respectively, the fourth gear 10 and the third gear 9 are connected through a connecting rod 12, the fourth gear 10 is meshed with the fifth gear 11, the fifth gear 11 is meshed with an outer cylinder of the metal micro-wire tail end fixing box 13, and the main motor 5 drives the metal micro-wire starting end fixing box 6 and the metal micro-wire tail end fixing box 13 to rotate coaxially.
As shown in fig. 3, a shaft connecting sleeve 6a is provided at one end of the fixing box 6 for the beginning end of the metal micro-wire, a wire pressing groove 6b is provided at the other end, the shaft connecting sleeve 6a is connected with the main shaft of the main motor 5, the metal micro-wire 4 is placed in the fixing box for the beginning end, and the metal micro-wire 4 extends out of the fixing box for the beginning end 6 of the metal micro-wire from the wire pressing groove 6b and is connected with the fixing box 13 for the end of the metal micro-wire. As shown in fig. 6, the fixing box 6 for the beginning of the metal micro-wire is provided with a wire inlet gap 6c at one side of the wire pressing groove 6b, the wire inlet end of the wire inlet gap 6c is expanded outward to form a guiding opening 6d, and the guiding opening 6d is wider than the wire inlet gap 6c, so that the metal micro-wire 4 can be conveniently placed into the wire inlet gap 6c to reach the wire pressing groove 6 b. The material of the thread pressing groove 6b side of the fixing box 6 at the starting end of the machined metal micro-thread has elasticity. As shown in fig. 4 and 5, a clamping member connecting cavity 13a is formed at one end of the fixing box 13 for fixing the end of the metal micro-wire, which is connected to the metal micro-wire 4, and a clamping member 14 is disposed in the clamping member connecting cavity 13a after being connected to the metal micro-wire 4. The clamping piece 14 comprises an upper cover 14a and a lower cover 14b, one end of the clamping piece is hinged to form a hinged end 14f, the other end of the clamping piece is an opening end, the opening end forms a fixing lug 14c, a metal micro-wire fixing hole 14d is formed in the center of the upper cover 14a and the lower cover 14b after the upper cover 14a and the lower cover 14b are closed, and a positioning groove corresponding to the fixing lug 14c is formed in the clamping piece connecting cavity 13 a. An elastic gasket 14e is disposed at the metal micro-wire fixing hole 14 d. When the fixing device is used, the upper cover 14a and the lower cover 14b are opened, the metal micro-wire 4 is placed in the metal micro-wire fixing hole 14d of the lower cover 14b, the metal micro-wire 4 is fixed in the metal micro-wire fixing hole 14d after the upper cover 14a and the lower cover 14b are pressed, the clamping piece 14 is installed in the clamping piece connecting cavity 13a of the metal micro-wire tail end fixing box 13, and the tail end of the metal micro-wire 4 is fixed.
The start end rotating mechanism 2 and the end rotating mechanism 3 may also be driven by different power sources, as shown in fig. 7, the start end rotating mechanism 2 includes a first motor 15 and a metal micro-wire start end fixing box 6, the first motor 15 drives the metal micro-wire start end fixing box 6 to rotate, the start end of the metal micro-wire 4 is fixed in the metal micro-wire start end fixing box 6, the end rotating mechanism 3 includes a second motor 16 and a metal micro-wire end fixing box 13, the second motor 16 drives the metal micro-wire end fixing box 13 to rotate, the end of the metal micro-wire 4 is fixed in the metal micro-wire end fixing box 13, and the start end and the end of the metal micro-wire 4 rotate synchronously. The structure of the metal fine wire start end fixing box 6 and the metal fine wire end fixing box 13 refer to the same power source structure, and the outer cylinder wall of the metal fine wire end fixing box 13 does not need to be processed with a meshing tooth structure. In the using process, the first motor 15 and the second motor 16 need to be controlled to synchronously drive the metal micro-wire starting end fixing box 6 and the metal micro-wire tail end fixing box 13, and the requirement on precision is high.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A metal micro-wire sharpening method is characterized in that: the method comprises the following steps:
(1) tensioning the metal micro-wire pointed end to rotate the metal micro-wire;
(2) the laser emitted by the laser is irradiated by aiming at the metal micro-wire at an included angle of 1-60 degrees, and the laser spot is 5-10 microns;
(3) the laser emitted by the laser keeps the irradiation angle to continuously act on the rotating metal fine wire to cut the metal fine wire to form a sharp head.
2. The method of claim 1, wherein: the laser adopts a nanosecond pulse fiber laser, the pulse is 10-100ns, and the power of the laser is 10-40W.
3. The method of claim 1, wherein: the diameter of the metal micro-wire is 6-25 microns.
4. A metal microwire pointing device is characterized in that: the laser comprises a laser and a metal micro-wire rotating device, wherein the metal micro-wire rotating device comprises a starting end rotating mechanism and a tail end rotating mechanism, the sharpening end of the metal micro-wire sequentially passes through the starting end rotating mechanism and the tail end rotating mechanism, the sharpening section of the metal micro-wire is positioned between the starting end rotating mechanism and the tail end rotating mechanism and is driven by the starting end rotating mechanism and the tail end rotating mechanism to rotate, the laser is installed on an adjusting support, and laser emitted by the laser is emitted to the sharpening section at an included angle of 1-60 degrees.
5. The metal microwire sharpening device of claim 4, wherein: the initial end rotating mechanism comprises a main motor and a metal micro-wire initial end fixing box, and a main shaft of the main motor is connected with the metal micro-wire initial end fixing box; the tail end rotating mechanism comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a metal micro-wire tail end fixing box, the first gear is installed on a main shaft of the main motor, the second gear is located between the first gear and the third gear and is meshed with the first gear and the third gear respectively, the fourth gear is connected with the third gear through a connecting rod, the fourth gear is meshed with the fifth gear, the fifth gear is meshed with an outer barrel of the metal micro-wire tail end fixing box, and the main motor drives the metal micro-wire start end fixing box and the metal micro-wire tail end fixing box to rotate coaxially.
6. The metal microwire sharpening device of claim 5, wherein: one end of the metal micro-wire initial end fixing box is provided with a shaft connecting sleeve, the other end of the metal micro-wire initial end fixing box is provided with a wire pressing groove, the metal micro-wire is arranged in the initial end fixing box, and the metal micro-wire extends out of the wire pressing groove to the metal micro-wire initial end fixing box to be connected with the metal micro-wire tail end fixing box.
7. The metal microwire sharpening device of claim 5, wherein: and a clamping piece connecting cavity is arranged at one end of the metal micro-wire tail end fixing box, which is connected with the metal micro-wire, and the clamping piece is arranged in the clamping piece connecting cavity after being connected with the metal micro-wire.
8. The metal microwire sharpening device of claim 7, wherein: the joint piece includes that one end is articulated to be connected upper cover and lower cover, and the end that opens and shuts forms fixed ear, and upper cover and lower cover closed back center form metal microwire fixed orifices, have the constant head tank corresponding with fixed ear on the joint piece connection chamber.
9. The metal microwire sharpening device of claim 8, wherein: an elastic gasket is arranged at the position of the metal micro-wire fixing hole.
10. The metal microwire sharpening device of claim 4, wherein: the start end rotating mechanism comprises a first motor and a metal micro-wire start end fixing box, the first motor drives the metal micro-wire start end fixing box to rotate, the metal micro-wire start end is fixed in the metal micro-wire start end fixing box, the tail end rotating mechanism comprises a second motor and a metal micro-wire tail end fixing box, the second motor drives the metal micro-wire tail end fixing box to rotate, the metal micro-wire tail end is fixed in the metal micro-wire tail end fixing box, and the metal micro-wire start end and the metal micro-wire tail end rotate synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111497889.5A CN114101930A (en) | 2021-12-09 | 2021-12-09 | Method and device for sharpening metal micro-wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111497889.5A CN114101930A (en) | 2021-12-09 | 2021-12-09 | Method and device for sharpening metal micro-wire |
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| CN114101930A true CN114101930A (en) | 2022-03-01 |
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| CN202111497889.5A Pending CN114101930A (en) | 2021-12-09 | 2021-12-09 | Method and device for sharpening metal micro-wire |
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| 张瑜,殷伯华,陈涛,左铁钏: "准分子激光微细加工微锥体的旋转抛磨加工法", 新技术新工艺, no. 02 * |
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