CN109967874B - Welding method of aluminum wire - Google Patents
Welding method of aluminum wire Download PDFInfo
- Publication number
- CN109967874B CN109967874B CN201711468071.4A CN201711468071A CN109967874B CN 109967874 B CN109967874 B CN 109967874B CN 201711468071 A CN201711468071 A CN 201711468071A CN 109967874 B CN109967874 B CN 109967874B
- Authority
- CN
- China
- Prior art keywords
- welding
- aluminum wire
- laser
- aluminum
- wire
- 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.)
- Active
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 116
- 238000003466 welding Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000003960 organic solvent Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000010330 laser marking Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 235000014820 Galium aparine Nutrition 0.000 description 2
- 240000005702 Galium aparine Species 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- -1 stains Substances 0.000 description 1
Images
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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/22—Spot welding
-
- 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
- B23K26/60—Preliminary treatment
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/78—Apparatus for connecting with wire connectors
- H01L2224/7801—Means for cleaning, e.g. brushes, for hydro blasting, for ultrasonic cleaning, for dry ice blasting, using gas-flow, by etching, by applying flux or plasma
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a welding method of an aluminum wire, which relates to the technical field of laser processing and comprises the following steps: after the surface of an aluminum sheet of a substrate is wiped and cleaned by an organic solvent, an aluminum wire to be welded is straightened and horizontally placed on the aluminum sheet, and the aluminum wire is compressed and fixed by a clamp; scanning the position of an aluminum wire on the aluminum sheet at a high speed, and determining the welding position of a welding spot on the aluminum wire and corresponding welding parameters; and adjusting laser parameters output by a laser, and controlling the laser to weld the aluminum wire according to the high-speed scanning result. According to the invention, the position of the aluminum wire on the aluminum sheet is scanned at a high speed, the welding position of a welding spot on the aluminum wire and the corresponding welding parameters are determined, the laser is controlled to focus on the upper surface of the aluminum wire, the aluminum wire is welded according to the high-speed scanning result, the reliable connectivity of the aluminum wire and the aluminum sheet is realized by accurately controlling the laser heat input and adopting a scanning mode, the problem of welding wire breakage is avoided, and the performance of a joint is improved.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a welding method of an aluminum wire.
Background
Because the aluminum and the aluminum alloy have the advantages of small density, good ductility, wear resistance, corrosion resistance, good electric and thermal conductivity, excellent processability and the like, the aluminum and the aluminum alloy are widely applied to various industries. Pure aluminum is soft, not very strong, has good ductility, can be drawn into filaments and rolled into foils, and is used in large quantities in the manufacture of wires, cables, the radio industry and the packaging industry. For fine aluminum wire, because of its excellent conductivity, it is widely used in ultrasonic bonding wire of semiconductor devices such as integrated circuits and crystals.
At present, the welding modes of the fine aluminum wire mainly include a silver plating welding method, hot-press bonding, ultrasonic bonding, thermosonic welding, ultrasonic ball welding and the like. The silver plating welding method has the advantages of complex process, higher manufacturing cost, low production efficiency, easy melting and falling of the solder in a high-temperature environment and poor reliability of welding spots; in the hot-pressing bonding method, because the aluminum wire is easy to oxidize to form an oxide film, false welding is easy to occur in the welding method, the welding temperature is high, the labor intensity is high, and the production efficiency is low; although the ultrasonic bonding and the thermosonic welding are not sensitive to an oxide film, the requirements on a chopper and pressure control are high, and wire breakage is easily caused; ultrasonic ball bonding combines the above bonding features, an improvement over other conventional methods, but the production efficiency is still low. Therefore, a new welding process is urgently needed to replace the welding process in production.
Disclosure of Invention
In order to overcome the defects of related products in the prior art, the invention provides an aluminum wire welding method, which solves the problems that the existing fine aluminum wire is easy to break and poor in reliability in the welding process.
The invention provides a welding method of an aluminum wire, which comprises the following steps: after the surface of an aluminum sheet of a substrate is wiped and cleaned by an organic solvent, an aluminum wire to be welded is straightened and horizontally placed on the aluminum sheet, and the aluminum wire is compressed and fixed by a clamp; scanning the position of an aluminum wire on the aluminum sheet at a high speed, and determining the welding position of a welding spot on the aluminum wire and corresponding welding parameters; and adjusting laser parameters output by a laser, controlling the laser to focus on the upper surface of the aluminum wire, and welding the aluminum wire according to the high-speed scanning result.
In some embodiments, the welding locations of the welding spots are concentric circles, and the corresponding welding parameters include the outer diameter of the concentric circles and the distance between each ring on the concentric circles.
In some embodiments, the controlling the laser to focus on an upper surface of the aluminum wire and welding the aluminum wire according to the result of the high-speed scanning includes:
and controlling the laser to focus on the upper surface of the aluminum wire, and outputting laser to weld along the positions of the circular rings on the concentric circle in sequence, so that the aluminum wire at the welding spot position is melted and laid on the aluminum sheet, and the melted part of the aluminum wire is connected with the aluminum sheet.
In some embodiments, the outer diameter of the concentric circles is 0.6mm, and the spacing between the rings on the concentric circles is 0.1 mm.
In certain embodiments, the method further comprises: before the aluminum wire to be welded is straightened and horizontally placed on the aluminum sheet, laser marking and cleaning are carried out on the area of the aluminum sheet where the aluminum wire to be welded is placed.
In some embodiments, the laser outputs a laser that is pulsed.
In some embodiments, the laser parameters of the laser output are: the power of the laser is 65W, the welding speed of the laser is 300mm/s, and the frequency of the pulse laser is 1000 kHz.
Compared with the prior art, the invention has the following advantages:
the welding method of the aluminum wire uses the high-energy laser beam as the welding heat source, has the advantages of heat concentration, easy control of the heat source, narrow heat affected zone, small welding stress and welding deformation and the like, belongs to non-contact welding, does not need a cleaver, determines the welding position of a welding spot on the aluminum wire and corresponding welding parameters by scanning the position of the aluminum wire on the aluminum sheet at a high speed, controls the laser to focus on the upper surface of the aluminum wire, welds the aluminum wire according to the result of the high-speed scanning, realizes the reliable connectivity of the aluminum wire and the aluminum sheet by accurately controlling the laser heat input and adopting a scanning mode, avoids the problem of welding wire breakage, and improves the performance of a joint.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a welding method for aluminum wires according to the present invention;
FIG. 2 is a schematic view of concentric circle scanning spot welding of the present invention;
FIG. 3 is a schematic view of a concentric circle scanning spot welding microstructure of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention, and that the preferred embodiments of the invention are shown in the drawings. This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present disclosure is set forth in order to provide a more thorough understanding thereof. 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 invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, a schematic flow chart of the welding method of the aluminum wire of the present invention is shown, and the welding method of the aluminum wire includes the following steps:
s101: after the surface of an aluminum sheet of a substrate is wiped and cleaned by an organic solvent, an aluminum wire to be welded is straightened and horizontally placed on the aluminum sheet, and the aluminum wire is compressed and fixed by a clamp.
S102: and scanning the position of the aluminum wire on the aluminum sheet at a high speed, and determining the welding position of the welding spot on the aluminum wire and the corresponding welding parameter.
S103: and adjusting laser parameters output by a laser, controlling the laser to focus on the upper surface of the aluminum wire, and welding the aluminum wire according to the high-speed scanning result.
In the embodiment of the invention, the diameter of the aluminum wire and the thickness of the aluminum sheet are both 2mm, before the aluminum wire to be welded is straightened and laid on the aluminum sheet, the organic solvent includes but is not limited to acetone and alcohol, after the aluminum wire to be welded is wiped by the organic solvent, stains, dust and the like on the surface of the aluminum sheet are removed, and the connection strength between the aluminum wire and the aluminum sheet after the aluminum wire is melted is improved.
The laser is a nanosecond laser, an MOPA (Master Oscillator Power-Amplifier) structure is adopted, the maximum light emitting frequency can reach 1000KHz, the FWMH (full width at half maximum) adjusting range is 10-120 nm, the maximum peak Power is 13kW, the maximum pulse energy reaches 1mJ, multiple wave modes can be selected, and a CW modulation mode is supported; by utilizing the advantages of extremely short pulse width and low energy of the nanosecond level device, the heat input can be accurately controlled, and the problem that a micro aluminum wire is fused or cannot be welded in the welding process is solved. The laser output by the laser is pulse laser, and the laser parameters output by the laser are as follows: the power of the laser is 65W, the welding speed of the laser is 300mm/s, and the frequency of the pulse laser is 1000kHz, but in other embodiments of the present invention, the laser parameters output by the laser may also be selected from other values according to actual requirements, and the present invention is not limited thereto.
In the embodiment of the invention, the position of an aluminum wire on an aluminum sheet is scanned at a high speed by a scanning device, the welding position of a welding spot on the aluminum wire and corresponding welding parameters are determined, the result of the high-speed scanning is displayed as a concentric circle extending outwards from the center position of the welding spot, as shown in fig. 2, the concentric circle scanning spot welding is a schematic diagram, and the welding parameters corresponding to the welding position of the welding spot comprise the outer diameter of the concentric circle and the distance between each circular ring on the concentric circle; the scanning device includes, but is not limited to, a high-speed scanning horn.
As shown in fig. 3, the schematic diagram of a concentric circle scanning spot welding microstructure is shown, the outer diameter of the concentric circle is 0.6mm, and the distance between the rings on the concentric circle is 0.1 mm; in some embodiments, the outer diameter of the concentric circle may also be 0.8mm, etc., and the distance between the rings on the concentric circle may also be 0.2mm, etc., since when the distance between the rings on the concentric circle is larger, the fusion area of the aluminum wire and the aluminum sheet is smaller, the connection strength is lower, and when the distance between the rings on the concentric circle is smaller, laser energy between the positions of the rings will be gathered, which causes the aluminum wire to fuse and cause a false welding to occur, the outer diameter of the concentric circle and the distance between the rings on the concentric circle described in the embodiments of the present invention may be determined according to actual welding requirements, which is not limited by the embodiments of the present invention.
The welding method of the aluminum wire uses the high-energy laser beam as the welding heat source, has the advantages of heat concentration, easy control of the heat source, narrow heat affected zone, small welding stress and welding deformation and the like, belongs to non-contact welding, does not need a cleaver, determines the welding position of a welding spot on the aluminum wire and corresponding welding parameters by scanning the position of the aluminum wire on the aluminum sheet at a high speed, controls the laser to focus on the upper surface of the aluminum wire, welds the aluminum wire according to the result of the high-speed scanning, realizes the reliable connectivity of the aluminum wire and the aluminum sheet by accurately controlling the laser heat input and adopting a scanning mode, avoids the problem of welding wire breakage, and improves the performance of a joint.
In the above embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and other divisions may be realized in practice, for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed.
The modules or components described as separate parts may or may not be physically separate, and parts shown as modules or components may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules or components can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing detailed description, or equivalent changes may be made in some of the features of the embodiments. All equivalent structures made by using the contents of the specification and the attached drawings of the invention can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the invention.
Claims (5)
1. A method for welding an aluminum wire, comprising: after the surface of an aluminum sheet of a substrate is wiped and cleaned by an organic solvent, an aluminum wire to be welded is straightened and horizontally placed on the aluminum sheet, and the aluminum wire is compressed and fixed by a clamp; scanning the position of an aluminum wire on the aluminum sheet at a high speed, and determining the welding position of a welding spot on the aluminum wire and corresponding welding parameters, wherein the welding position of the welding spot is a concentric circle, and the corresponding welding parameters comprise the outer diameter of the concentric circle and the distance between each circular ring on the concentric circle; adjusting laser parameters output by a laser, controlling the laser to focus on the upper surface of the aluminum wire, and welding the aluminum wire according to the high-speed scanning result;
wherein the step of welding the aluminum wire according to the result of the high-speed scanning comprises: and controlling the laser to focus on the upper surface of the aluminum wire, and outputting laser to weld along the positions of the circular rings on the concentric circle in sequence, so that the aluminum wire at the welding spot position is melted and laid on the aluminum sheet, and the melted part of the aluminum wire is connected with the aluminum sheet.
2. The welding method of aluminum wires according to claim 1, wherein the outer diameter of the concentric circles is 0.6mm, and the distance between the rings on the concentric circles is 0.1 mm.
3. The method of welding aluminum wire as recited in claim 1, further comprising: before the aluminum wire to be welded is straightened and horizontally placed on the aluminum sheet, laser marking and cleaning are carried out on the area of the aluminum sheet where the aluminum wire to be welded is placed.
4. The method for welding aluminum wire according to claim 1, wherein the laser outputs a pulsed laser.
5. The method for welding the aluminum wire according to claim 4, wherein the laser output laser parameters are as follows: the power of the laser is 65W, the welding speed of the laser is 300mm/s, and the frequency of the pulse laser is 1000 kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468071.4A CN109967874B (en) | 2017-12-27 | 2017-12-27 | Welding method of aluminum wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468071.4A CN109967874B (en) | 2017-12-27 | 2017-12-27 | Welding method of aluminum wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109967874A CN109967874A (en) | 2019-07-05 |
| CN109967874B true CN109967874B (en) | 2021-07-30 |
Family
ID=67075560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711468071.4A Active CN109967874B (en) | 2017-12-27 | 2017-12-27 | Welding method of aluminum wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109967874B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3831394A1 (en) * | 1988-09-15 | 1990-03-22 | Prithwis Basu | Method and device for making contact between an electrical lead wire and contact points on a printed circuit board |
| CN1107087A (en) * | 1993-11-02 | 1995-08-23 | 株式会社日立制作所 | Methods of Metal Surface Treatment |
| US5935463A (en) * | 1994-06-28 | 1999-08-10 | Yazaki Corporation | Wire welding method, and wire fixing jig |
| CN1716557A (en) * | 2004-02-25 | 2006-01-04 | 库力索法投资公司 | Laser Cleaning System for Wire Bonding Machines |
| CN101850472A (en) * | 2009-03-31 | 2010-10-06 | 武汉楚天激光（集团）股份有限公司 | Process method for welding aluminum and aluminum alloy material by laser |
| CN104362106A (en) * | 2014-10-13 | 2015-02-18 | 华东光电集成器件研究所 | Outer lead soldering method of integrated circuit |
| CN104646830A (en) * | 2015-01-12 | 2015-05-27 | 池州睿成微电子有限公司 | Integrated circuit (IC) chip laser spot welding device |
| CN105458435A (en) * | 2015-12-04 | 2016-04-06 | 王伟 | Lead welding device and technique for packaging semiconductor power device |
| CN106238910A (en) * | 2016-08-18 | 2016-12-21 | 江苏大学 | A kind of laser-impact loads lower tinsel and the welder of plate and method thereof |
| CN106271069A (en) * | 2016-08-31 | 2017-01-04 | 武汉华工激光工程有限责任公司 | A kind of rustless steel and the method for laser welding of aluminium alloy |
| CN106735894A (en) * | 2016-12-13 | 2017-05-31 | 大族激光科技产业集团股份有限公司 | A kind of dissimilar metal micro-bonding method |
| CN107138846A (en) * | 2017-06-27 | 2017-09-08 | 哈尔滨工业大学深圳研究生院 | Ultrasonic micro-bonding method and its device applied to RFID magnetic card copper lines |
-
2017
- 2017-12-27 CN CN201711468071.4A patent/CN109967874B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3831394A1 (en) * | 1988-09-15 | 1990-03-22 | Prithwis Basu | Method and device for making contact between an electrical lead wire and contact points on a printed circuit board |
| CN1107087A (en) * | 1993-11-02 | 1995-08-23 | 株式会社日立制作所 | Methods of Metal Surface Treatment |
| US5935463A (en) * | 1994-06-28 | 1999-08-10 | Yazaki Corporation | Wire welding method, and wire fixing jig |
| CN1716557A (en) * | 2004-02-25 | 2006-01-04 | 库力索法投资公司 | Laser Cleaning System for Wire Bonding Machines |
| CN101850472A (en) * | 2009-03-31 | 2010-10-06 | 武汉楚天激光（集团）股份有限公司 | Process method for welding aluminum and aluminum alloy material by laser |
| CN104362106A (en) * | 2014-10-13 | 2015-02-18 | 华东光电集成器件研究所 | Outer lead soldering method of integrated circuit |
| CN104646830A (en) * | 2015-01-12 | 2015-05-27 | 池州睿成微电子有限公司 | Integrated circuit (IC) chip laser spot welding device |
| CN105458435A (en) * | 2015-12-04 | 2016-04-06 | 王伟 | Lead welding device and technique for packaging semiconductor power device |
| CN106238910A (en) * | 2016-08-18 | 2016-12-21 | 江苏大学 | A kind of laser-impact loads lower tinsel and the welder of plate and method thereof |
| CN106271069A (en) * | 2016-08-31 | 2017-01-04 | 武汉华工激光工程有限责任公司 | A kind of rustless steel and the method for laser welding of aluminium alloy |
| CN106735894A (en) * | 2016-12-13 | 2017-05-31 | 大族激光科技产业集团股份有限公司 | A kind of dissimilar metal micro-bonding method |
| CN107138846A (en) * | 2017-06-27 | 2017-09-08 | 哈尔滨工业大学深圳研究生院 | Ultrasonic micro-bonding method and its device applied to RFID magnetic card copper lines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109967874A (en) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10099315B2 (en) | System, apparatus and method for hybrid function micro welding | |
| CN108465933A (en) | A kind of method and apparatus of laser welding foil and lug | |
| CN106312314B (en) | double laser beam welding system and method | |
| KR101710462B1 (en) | Method of sealing and contacting substrates using laser light and electronics module | |
| JP2019179760A (en) | Method for processing first component and second component by laser welding, and related device | |
| JP4858238B2 (en) | Laser welding member and semiconductor device using the same | |
| US11534864B2 (en) | Method for connecting two components and component composite | |
| US20140231060A1 (en) | Method for closing a housing by means of an optical joining method | |
| CN114054957A (en) | Laser welding method and system for dissimilar metal films | |
| US11192206B2 (en) | Method for producing a cohesive laser bond connection and apparatus for forming a laser bond connection | |
| CN109967874B (en) | Welding method of aluminum wire | |
| CN1706584B (en) | Method for welding a metal foil to a cylindrical metal pin | |
| JP5040269B2 (en) | Laser welding method | |
| JP2010253493A (en) | Method and apparatus for parallel seam welding | |
| CN101559538A (en) | Process for altering an assembly of metal parts based on nickel or cobalt alloy by high temperature brazing | |
| CN104625299A (en) | Tin soldering jig and laser tin soldering method | |
| CN100487840C (en) | Method for welding contact plates and contact elements obtained with the method | |
| JP2007222937A (en) | Laser bonding method | |
| KR20180044726A (en) | Laser welding method | |
| CN117658430A (en) | High-efficiency high-strength ultrafast laser welding method for transparent material | |
| CN117340378A (en) | Mini LED combined laser welding process | |
| US20190160593A1 (en) | Welding method for different kinds of metals | |
| JP2010051989A (en) | Laser joining method | |
| CN106583959B (en) | A kind of sweat soldering technique for novel copper-aluminium composite bus | |
| CN104139243B (en) | A kind of manufacture method of the electrode assemblie for automobile Metal halogen lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |