CN103831568A - Thermistor welding tool and method of IGBT module - Google Patents
Thermistor welding tool and method of IGBT module Download PDFInfo
- Publication number
- CN103831568A CN103831568A CN201410088593.1A CN201410088593A CN103831568A CN 103831568 A CN103831568 A CN 103831568A CN 201410088593 A CN201410088593 A CN 201410088593A CN 103831568 A CN103831568 A CN 103831568A
- Authority
- CN
- China
- Prior art keywords
- thermistor
- locating piece
- plate
- storage tank
- dbc
- 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
Links
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
- 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
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a thermistor welding tool of an IGBT module. The thermistor welding tool comprises a base plate and a positioning plate. The base plate is below the positioning plate, and the contacting faces of the base plate and positioning plate are provided with grooves matching with a DBC broad in shape. The positioning plate comprises a thermistor positioning portion and a DBC positioning portion. The thermistor positioning portion comprises a top cover plate and a thermistor positioning block independently. The center of the thermistor positioning block is provided with a thermistor positioning groove. The DBC positioning portion is in a dual-square shape with hollow center, and the hollow portion is a thermistor accommodating groove. A top cover plate accommodating groove, with smaller thickness than the thermistor accommodating groove, is formed above a thermistor positioning block accommodating groove. The center of the thermistor positioning block positioning groove is formed in the top cover plate accommodating groove and is perpendicular to the thermistor accommodating groove. The thermistor welding tool has the advantages that an operator can observe the position situation of the thermistor conveniently in real time, assembly is facilitated, and welding quality is improved.
Description
Technical field
The invention belongs to semiconductor packaging field, particularly a kind of thermistor welding tooling and welding method of IGBT module.
Background technology
IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor, the compound full-control type voltage driven type power semiconductor being formed by BJT (double pole triode) and MOS (insulating gate type field effect tube).IGBT possesses the little and advantages such as saturation pressure reduction of driving power, the performance characteristics such as particularly easily turn on and off, it is the Power Electronic Technique the most representative product of revolution for the third time of generally acknowledging in the world, therefore in modern power electronics technology, obtain application more and more widely, in the big or middle power application of upper frequency, occupied leading position.IGBT developed into for the 6th generation so far, and commercialization developed into for the 5th generation.
But because IGBT is large power semiconductor device, loss power is large, and fever phenomenon is serious, and the resistance to overheated ability of IGBT is poor, and the maximum junction temperature that has of IGBT limits in addition, mostly can not exceed 150 DEG C, so the unsuitable long-term work of IGBT device is under higher temperature.In order to ensure the long-term safety work of IGBT, just must, in improving IGBT heat-sinking capability, carry out overtemperature protection design to IGBT.
For IGBT module, thermistor being installed is one of common overtemperature protection design.Install after thermistor, measure the temperature of module by the resistance of real-time measurement thermistor, in the time that module reaches capacity running temperature, system meeting and alarm also cut off the operation of IGBT module, the safe handling of protection IGBT module.Therefore, ensure the welding quality between thermistor and DBC in IGBT module, realize outer protection circuit and can carry out safeguard protection to module in time and have very important meaning.
And in prior art, because existing thermistor is cylinder, in the time placing, be easy to roll, cause departing from welding position; The alignment pin of existing top board is also cylinder, cover after top board putting thermistor well, now thermistor and DBC are closed in frock, situation that cannot Real Time Observation thermistor placement location, in the time of welding, solder fusing, top board alignment pin cannot be fixed on thermistor on the design welding position of DBC, cause welding the skew of rear thermistor position, welding foot rosin joint, thereby reduce the welding quality of thermistor and DBC welding, exist between thermistor and DBC and come off, the risk that thermistor electric property lost efficacy.
Therefore,, for above-mentioned technical problem, be necessary to provide a kind of and can ensure that thermistor is all fixed on the thermistor welding tooling on optimum welding position before welding with after welding, to overcome above-mentioned defect.
Summary of the invention
The present invention is directed to the design deficiency of the welding tooling of existing cylindrical thermistor, location-plate and top board are optimized to design, welding position that can Real Time Observation thermistor, can handled easily personnel assemble, can ensure again thermistor and all be fixed on optimum welding position before welding and after welding, improve welding quality, and the welding foot of thermistor is more firm, has strengthened electric property and the mechanical performance of thermistor.
A kind of thermistor welding tooling of IGBT module, comprise base plate and location-plate, described base plate under, described location-plate is upper, and on described base plate and location-plate contact-making surface, all offer the groove identical with DBC plate profile, it is characterized in that: described location-plate comprises thermistor localization part and DBC localization part, described thermistor localization part is convex, comprise independently lamina tecti and thermistor locating piece, described thermistor locating piece volume is less than described lamina tecti, described thermistor locating piece central authorities offer thermistor locating slot one, what described DBC localization part was central hollow out is three-back-shaped, this openwork part is thermistor storage tank, described thermistor locating piece storage tank top offers the lamina tecti storage tank that a circle thickness is less than described thermistor storage tank, in described lamina tecti storage tank, perpendicular to described thermistor storage tank, offer thermistor locating piece locating slot one.
Preferably, the long symmetry axis of the long symmetry axis of described thermistor storage tank and described thermistor locating piece locating slot is orthogonal.
Preferably, described thermistor locating piece is rectangle, and described thermistor locating slot overlaps with the center line on the long limit of described thermistor locating piece.
Preferably, described thermistor locating slot is U-shaped groove, and the width of described U-shaped groove is more than or equal to thermistor diameter 0.1～0.5mm, its degree of depth is less than or equal to thermistor radius 0.1～0.3mm, and described thermistor radius is 0.5～1.0mm.
Preferably, the length of described thermistor locating piece locating slot and width should be more than or equal to thermistor locating piece length and width 0.5～1.0mm.
Preferably, the thickness of described thermistor storage tank is more than or equal to the radius 0.1～0.3mm of thermistor.
Preferably, the width of described thermistor locating piece is 50～80% of thermistor width, and described thermistor width is 3.0～4.0mm.
Preferably, described lamina tecti storage tank thickness is greater than weld tabs thickness.
A thermistor welding method for IGBT module described above, is characterized in that, described method comprises:
S1, DBC is put into the groove of described base plate, cover the DBC localization part of location-plate;
S2, put into successively weld tabs and thermistor subsequently, thermistor locating piece is provided with to one of thermistor locating slot and faces down and cover, adjust thermistor position;
S3, the welding tooling that thermistor is installed is put into soldering furnace complete welding;
S4, weld, location-plate has been taken off from base plate.
Compared with prior art, beneficial effect of the present invention:
(1) for the shortcoming of prior art, the present invention changes traditional top board and top board alignment pin into thermistor locating piece, can fix thermistor, make it that variation of welding position can not occur before and after welding, ensure that thermistor is in optimum position all the time, after weld tabs fusing, thermistor localization part can sink with thermistor, make the leg of thermistor touch DBC, scolder wraps the leg of thermistor better, difficult drop-off, strengthen electric property and mechanical performance between DBC and thermistor, improved welding quality.
(2) situation of handled easily personnel Real Time Observation thermistor, is convenient to assembling.
Brief description of the drawings
For the technical scheme in the embodiment of the present invention is more clearly described, to the accompanying drawing of required use in embodiment be introduced simply below, apparently, the accompanying drawing the following describes is only some embodiment that record in the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the top view of welding tooling of the prior art;
Fig. 2 is the sectional view of the existing welding tooling taking A-A in Fig. 1 as cross section;
Fig. 3 is the plan structure figure of location-plate in the embodiment of the present invention;
Fig. 4 is the sectional view of location-plate in the embodiment of the present invention taking B-B in Fig. 3 as cross section;
Fig. 5 is the plan structure figure of thermistor welding tooling of the present invention;
Fig. 6 is the sectional view of the thermistor welding tooling of the present invention taking C-C in Fig. 5 as cross section;
Fig. 7 is the sectional view of the thermistor welding tooling of the present invention taking D-D in Fig. 5 as cross section;
Fig. 8 is the front view of thermistor locating piece in the embodiment of the present invention;
Fig. 9 is the side view of thermistor locating piece in the embodiment of the present invention;
Figure 10 is the top view of thermistor locating piece in the embodiment of the present invention;
Figure 11 is the assembling schematic diagram of thermistor positioning tool of the present invention.
Wherein:
1 ', base plate of the prior art; 2 ', location-plate of the prior art; 3 ', top board of the prior art; 4 ', alignment pin of the prior art;
1, base plate; 11, the groove of plate upper surface;
2, location-plate; 21, DBC localization part; 211, the groove of DBC localization part lower surface; 212, thermistor storage tank; 213, lamina tecti storage tank; 214, thermistor locating piece locating slot; 221, thermistor locating piece; 222, lamina tecti;
3, thermistor locating slot; 4, DBC; 5, weld tabs; 6, thermistor.
Detailed description of the invention
To be clearly and completely described technical scheme of the present invention by detailed description of the invention below.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Existing thermistor welding tooling is made up of base plate 1 ', location-plate 2 ' and top board 3 ', and top board 3 ' also comprises an alignment pin 4 ' that assigns into top board 3 ' central authorities, as depicted in figs. 1 and 2.The effect of base plate 1 ' is to be used for fixing DBC substrate, and location-plate 2 ' is for the relative position of fixing thermistor and DBC, and the alignment pin 4 ' on top board 3 ' is for exerting pressure to thermistor.When operation, first DBC is placed in base plate 1 ' groove, covers location-plate 2 ', weld tabs is placed on welding position, then put thermistor, finally put top board 3 ', the cylindrical alignment pin 4 ' on top board 3 ' is pressed on thermistor.
But prior art exists shortcoming: existing thermistor is cylinder, in the time placing, be easy to roll, depart from welding position; The alignment pin of existing top board is also cylinder, cover after top board putting thermistor well, now thermistor and DBC are closed in frock, situation that cannot Real Time Observation thermistor placement location, in the time of welding, solder fusing, top board alignment pin cannot be fixed on thermistor on the design welding position of DBC, cause welding the skew of rear thermistor position, welding foot rosin joint, thereby reduce the welding quality of thermistor and DBC welding, exist between thermistor and DBC and come off, the risk that thermistor electric property lost efficacy.
For above-mentioned defect, the invention provides a kind of thermistor welding tooling of IGBT module, as shown in Fig. 3 to Figure 11.This thermistor welding tooling comprises base plate 1 and location-plate 2, described base plate 1 under, described location-plate 2 is upper, and offers respectively the groove 11 and 211 identical with DBC plate 4 profiles on described base plate 1 and location-plate 2 contact-making surfaces (being the upper surface of base plate 1 and the lower surface of location-plate 2).Described location-plate 2 comprises DBC localization part and 21 thermistor localization parts 22.This thermistor localization part 22 is convex.Above-mentioned thermistor localization part 22 comprises independently thermistor locating piece 221 and lamina tecti 222, and described thermistor locating piece 221 volumes are less than described lamina tecti 222 and are positioned at the central authorities of lamina tecti 222.As shown in Figure 7, described thermistor locating piece 221 central authorities offer thermistor locating slot 3 one.Preferably, the width (being the width of thermistor locating slot) of above-mentioned thermistor locating piece 221 is 50～80% of thermistor 6 width, this design will be exposed to outside thermistor locating piece 221 two ends of thermistor 6, therefore adopt above-mentioned thermistor localization part generation 22 for conventional upper 3 ', can be convenient to observe the situation of the thermistor 6 that is positioned at thermistor locating piece 221 belows, occur as there is skew the position of thermistor 6, can adjust it in time.The width of common thermistor is 3～4mm, therefore according to the thermistor 6 of different in width, can make thermistor locating piece 221 that various sizes are different in order to support the use.
This thermistor locating slot 3 is U-shaped groove, as shown in Figure 9, preferably thermistor locating piece 221 is rectangle, and this thermistor locating slot 3 is positioned at the middle position of thermistor locating piece 221 and overlap with the center line on two long limits of thermistor locating piece 221, above-mentioned decision design can ensure no matter this thermistor locating piece 221 is rotated how many 180 ° and still can brings into play its positioning action.This U-shaped groove 3 is for fixing thermistor 6.When assembling, thermistor 6 is embedded in above-mentioned thermistor locating slot 3, thereby the position of thermistor 6 can not be changed, guarantee that thermistor 6 is all on best welding position before and after welding.Can fix better thermistor 6 in order to make the welding effect of thermistor 6 reach best, thermistor locating piece 221, the preferred embodiments of the present invention by the length of the U-shaped groove 3 of thermistor locating piece 221 and width design for being more than or equal to thermistor diameter 0.1～0.5mm, the depth design of U-shaped groove 3 is for being less than or equal to thermistor radius 0.1～0.3mm, and common thermistor radius is 0.5～1.0mm.
As shown in Fig. 3 to Figure 11, what above-mentioned DBC localization part 21 was central hollow out is three-back-shaped.This openwork part is thermistor storage tank 212, for accommodating thermistor 6.Above-mentioned thermistor storage tank 212 tops offer the lamina tecti storage tank 213 that a circle thickness is less than described thermistor storage tank 212.Each length of side correspondent equal of each length of side of this lamina tecti storage tank 213 and above-mentioned lamina tecti 222.In above-mentioned lamina tecti storage tank 213, perpendicular to described thermistor storage tank 212, offer thermistor locating piece locating slot 214 one, this thermistor locating piece locating slot 214 is divided into two, lay respectively at the both sides of thermistor locating slot 212, and the long symmetry axis of the long symmetry axis of thermistor storage tank 212 and thermistor locating piece locating slot 214 is orthogonal and divide equally.
In the time of welding, this lamina tecti 222 need to be compressed on above-mentioned thermistor locating piece 221, when solder fusing, thermistor locating piece 221 can be along with thermistor 6 together sinks under the gravity of lamina tecti 222 is exerted pressure, now, thermistor locating piece 221 will embed in thermistor locating piece locating slot 214, and lamina tecti 222 will embed in lamina tecti storage tank 213.In the time that the leg of thermistor 6 just touches DBC4, above-mentioned lamina tecti storage tank 213 will support the lamina tecti 222 of compacting thermistor locating piece 221, and thermistor locating piece locating slot 214 will support thermistor locating piece 221, stop above-mentioned thermistor localization part 22 to continue to sink, as shown in Figure 5.Therefore, the thickness of the locating piece of thermistor described in embodiment of the present invention locating slot 214 is more than or equal to the radius 0.1～0.3mm of thermistor.Because common thermistor radius is 0.5～1.0mm, so similarly, need the welding tooling of preferred fabrication different size for the thermistor of different size.
In addition, above-mentioned lamina tecti storage tank thickness 213 is greater than weld tabs 5 thickness, and can ensure that lamina tecti 222 sinks with weld tabs 5 fusings time, lamina tecti 222 can not fallen the space beyond lamina tecti accommodating 213.
Corresponding, a kind of thermistor welding method of IGBT module, comprises the following steps:
S1, DBC4 is put into the groove 11 of described base plate 1, cover the DBC localization part 21 of location-plate 2;
S2, put into successively weld tabs 5 and thermistor 6 subsequently, thermistor locating piece 221 be provided with to one of thermistor locating slot 3 and face down and cover, adjust thermistor position:
S3, the welding tooling that thermistor is installed put into soldering furnace complete welding:
Thermistor 6 is adjusted to behind optimum position, weld, after weld tabs 5 fusings, thermistor locating piece 221 can be along with thermistor 6 together sinks under the gravity of lamina tecti 222 is exerted pressure, now, thermistor locating piece 221 will embed in thermistor locating piece locating slot 214, and lamina tecti 222 will embed in lamina tecti storage tank 213.In the time that the leg of thermistor 6 just touches DBC4, above-mentioned lamina tecti storage tank 213 will support the lamina tecti 222 of compacting thermistor locating piece 221, and thermistor locating piece locating slot 214 will support thermistor locating piece 221, stop above-mentioned thermistor localization part 22 to continue to sink, thereby complete the welding of thermistor 6 and DBC4.
S4, welded, location-plate 2 is taken off from base plate 1, the DBC with thermistor that welding is completed takes off and can carry out next process.
Compared with prior art, the present invention has the following advantages:
(1) the present invention changes traditional top board and top board alignment pin into thermistor locating piece, can fix thermistor, make it that variation of welding position can not occur before and after welding, ensure that thermistor is in optimum position all the time, after weld tabs fusing, thermistor localization part can sink with thermistor, make the leg of thermistor touch DBC, scolder wraps the leg of thermistor better, difficult drop-off, strengthen electric property and mechanical performance between DBC and thermistor, improved welding quality.
(2) situation of handled easily personnel Real Time Observation thermistor, is convenient to assembling.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the present invention.Any Reference numeral in claim should be considered as limiting related claim.
Claims (9)
1. the thermistor welding tooling of an IGBT module, comprise base plate and location-plate, described base plate under, described location-plate is upper, and on described base plate and location-plate contact-making surface, all offer the groove identical with DBC plate profile, it is characterized in that: described location-plate comprises thermistor localization part and DBC localization part, described thermistor localization part is convex, comprise independently lamina tecti and thermistor locating piece, described thermistor locating piece volume is less than described lamina tecti, described thermistor locating piece central authorities offer thermistor locating slot one, what described DBC localization part was central hollow out is three-back-shaped, this openwork part is thermistor storage tank, described thermistor locating piece storage tank top offers the lamina tecti storage tank that a circle thickness is less than described thermistor storage tank, in described lamina tecti storage tank, perpendicular to described thermistor storage tank, offer thermistor locating piece locating slot one.
2. thermistor welding tooling according to claim 1, is characterized in that: the long symmetry axis of the long symmetry axis of described thermistor storage tank and described thermistor locating piece locating slot is orthogonal.
3. thermistor welding tooling according to claim 1, is characterized in that: described thermistor locating piece is rectangle, and described thermistor locating slot overlaps with the center line on the long limit of described thermistor locating piece.
4. thermistor welding tooling according to claim 1, it is characterized in that: described thermistor locating slot is U-shaped groove, the width of described U-shaped groove is more than or equal to thermistor diameter 0.1～0.5mm, its degree of depth is less than or equal to thermistor radius 0.1～0.3mm, and described thermistor radius is 0.5～1.0mm.
5. thermistor welding tooling according to claim 1, is characterized in that: the length of described thermistor locating piece locating slot and width should be more than or equal to thermistor locating piece length and width 0.5～1.0mm.
6. thermistor welding tooling according to claim 1, is characterized in that: the thickness of described thermistor storage tank is more than or equal to the radius 0.1～0.3mm of thermistor.
7. thermistor welding tooling according to claim 1, is characterized in that: the width of described thermistor locating piece is 50～80% of thermistor width, and described thermistor width is 3.0～4.0mm.
8. thermistor welding tooling according to claim 1, is characterized in that: described lamina tecti storage tank thickness is greater than weld tabs thickness.
9. a thermistor welding method for IGBT module as claimed in claim 1, is characterized in that, described method comprises:
S1, DBC is put into the groove of described base plate, cover the DBC localization part of location-plate;
S2, put into successively weld tabs and thermistor subsequently, thermistor locating piece is provided with to one of thermistor locating slot and faces down and cover, adjust thermistor position;
S3, the welding tooling that thermistor is installed is put into soldering furnace complete welding;
S4, weld, location-plate has been taken off from base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088593.1A CN103831568B (en) | 2014-03-11 | 2014-03-11 | A kind of thermistor welding tooling of IGBT module and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088593.1A CN103831568B (en) | 2014-03-11 | 2014-03-11 | A kind of thermistor welding tooling of IGBT module and welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103831568A true CN103831568A (en) | 2014-06-04 |
| CN103831568B CN103831568B (en) | 2016-01-20 |
Family
ID=50795635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410088593.1A Active CN103831568B (en) | 2014-03-11 | 2014-03-11 | A kind of thermistor welding tooling of IGBT module and welding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103831568B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640256A (en) * | 2019-11-05 | 2020-01-03 | 北京北广科技股份有限公司 | Automatic adjust welding frock |
| CN111843888A (en) * | 2020-06-03 | 2020-10-30 | 北方夜视技术股份有限公司 | High-voltage power supply multiplier assembling clamp for image intensifier and assembling method |
| CN116900544A (en) * | 2023-09-11 | 2023-10-20 | 赛晶亚太半导体科技(北京)有限公司 | Soldering lug for thermistor welding and mounting, mounting method and IGBT module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6213376B1 (en) * | 1998-06-17 | 2001-04-10 | International Business Machines Corp. | Stacked chip process carrier |
| US20020066765A1 (en) * | 2000-12-06 | 2002-06-06 | Stefan Behler | Die bonder and/or wire bonder with a device for holding down a substrate |
| CN1518084A (en) * | 2003-01-15 | 2004-08-04 | 千住金属工业株式会社 | Method and device for arraging and connecting solder post on sustrate |
| CN202894533U (en) * | 2012-10-11 | 2013-04-24 | 西安永电电气有限责任公司 | Tool for positioning substrate |
| CN103137522A (en) * | 2011-12-01 | 2013-06-05 | 仁宝资讯工业(昆山)有限公司 | Ball-planting fixture |
| CN203018934U (en) * | 2012-12-11 | 2013-06-26 | 安徽动力源科技有限公司 | Assembly table for welding and fixing of resistor |
| CN103394855A (en) * | 2013-07-31 | 2013-11-20 | 西安永电电气有限责任公司 | Fixing tool structure and electrode welding method |
-
2014
- 2014-03-11 CN CN201410088593.1A patent/CN103831568B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6213376B1 (en) * | 1998-06-17 | 2001-04-10 | International Business Machines Corp. | Stacked chip process carrier |
| US20020066765A1 (en) * | 2000-12-06 | 2002-06-06 | Stefan Behler | Die bonder and/or wire bonder with a device for holding down a substrate |
| CN1518084A (en) * | 2003-01-15 | 2004-08-04 | 千住金属工业株式会社 | Method and device for arraging and connecting solder post on sustrate |
| CN103137522A (en) * | 2011-12-01 | 2013-06-05 | 仁宝资讯工业(昆山)有限公司 | Ball-planting fixture |
| CN202894533U (en) * | 2012-10-11 | 2013-04-24 | 西安永电电气有限责任公司 | Tool for positioning substrate |
| CN203018934U (en) * | 2012-12-11 | 2013-06-26 | 安徽动力源科技有限公司 | Assembly table for welding and fixing of resistor |
| CN103394855A (en) * | 2013-07-31 | 2013-11-20 | 西安永电电气有限责任公司 | Fixing tool structure and electrode welding method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110640256A (en) * | 2019-11-05 | 2020-01-03 | 北京北广科技股份有限公司 | Automatic adjust welding frock |
| CN111843888A (en) * | 2020-06-03 | 2020-10-30 | 北方夜视技术股份有限公司 | High-voltage power supply multiplier assembling clamp for image intensifier and assembling method |
| CN111843888B (en) * | 2020-06-03 | 2021-11-09 | 北方夜视技术股份有限公司 | High-voltage power supply multiplier assembling clamp for image intensifier and assembling method |
| CN116900544A (en) * | 2023-09-11 | 2023-10-20 | 赛晶亚太半导体科技(北京)有限公司 | Soldering lug for thermistor welding and mounting, mounting method and IGBT module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103831568B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9647292B2 (en) | Battery cell assembly and method for manufacturing a cooling fin for the battery cell assembly | |
| CN104902727A (en) | Middle frame of mobile terminal and mobile terminal | |
| WO2013169774A3 (en) | Thermoelectric heat exchanger component including protective heat spreading lid and optimal thermal interface resistance | |
| CN103831568A (en) | Thermistor welding tool and method of IGBT module | |
| CN104114010A (en) | Uniform temperature plate with cooling fins | |
| CN103962772A (en) | IGBT (insulated gate bipolar transistor) once-bonding tooling and assembly method thereof | |
| CN204191077U (en) | A kind of novel inverter bridge module heat-pipe radiator | |
| CN105340075A (en) | Mobile terminal | |
| CN103997878A (en) | Phase change heat dissipation device and manufacturing method thereof | |
| CN103715106B (en) | The manufacture method of a kind of SPM and SPM | |
| US20130092353A1 (en) | Vapor chamber structure and method of manufacturing same | |
| CN105428330A (en) | Semiconductor device and manufacturing method thereof | |
| CN204834594U (en) | Power semiconductor | |
| CN204303558U (en) | A kind of assembling shunt capacitor with heat-dissipating casing | |
| US20160313067A1 (en) | Heat dissipating device and heat dissipating fin | |
| TWI710298B (en) | Interposer board having heating function and electronic device | |
| US9347712B2 (en) | Heat dissipating device | |
| CN107346765A (en) | Bridge arm circuit package assembling and full-bridge circuit package assembling | |
| CN202905962U (en) | Grounding block welding structure | |
| CN204031571U (en) | A kind of integrated circuit of radiating insulating | |
| CN204517128U (en) | A kind of cooling structure for superpower laser | |
| CN204142769U (en) | A kind of microwave device test hold down gag | |
| CN204204532U (en) | The micro-resistance of metallic plate | |
| JP2020043305A (en) | Power card | |
| TWI641795B (en) | Plate temperature equalization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710016 No. 15 Wenjingbei Road, Jingkai District, Xi'an City, Shaanxi Province Patentee after: Xi'an Zhongche Yongji Electric Co. Ltd. Address before: 710016 No. 15 Wenjingbei Road, Jingkai District, Xi'an City, Shaanxi Province Patentee before: Xi'an Yongdian Electric Co., Ltd. |