CN110634757A - 一种晶圆背面覆铜的焊接工艺 - Google Patents
一种晶圆背面覆铜的焊接工艺 Download PDFInfo
- Publication number
- CN110634757A CN110634757A CN201910909799.9A CN201910909799A CN110634757A CN 110634757 A CN110634757 A CN 110634757A CN 201910909799 A CN201910909799 A CN 201910909799A CN 110634757 A CN110634757 A CN 110634757A
- Authority
- CN
- China
- Prior art keywords
- copper sheet
- wafer
- welding
- copper
- soaking
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 107
- 239000010949 copper Substances 0.000 title claims abstract description 107
- 238000003466 welding Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 16
- 239000011248 coating agent Substances 0.000 title description 3
- 238000000576 coating method Methods 0.000 title description 3
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000002791 soaking Methods 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 20
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000137 annealing Methods 0.000 claims abstract description 16
- 229910000679 solder Inorganic materials 0.000 claims abstract description 16
- 238000005498 polishing Methods 0.000 claims abstract description 12
- CYNYIHKIEHGYOZ-UHFFFAOYSA-N 1-bromopropane Chemical compound CCCBr CYNYIHKIEHGYOZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000011800 void material Substances 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 244000137852 Petrea volubilis Species 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 235000012431 wafers Nutrition 0.000 description 36
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000012858 packaging process Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000006071 cream Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/80001—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected by connecting a bonding area directly to another bonding area, i.e. connectorless bonding, e.g. bumpless bonding
- H01L2224/80009—Pre-treatment of the bonding area
- H01L2224/8001—Cleaning the bonding area, e.g. oxide removal step, desmearing
- H01L2224/80011—Chemical cleaning, e.g. etching, flux
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/80001—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected by connecting a bonding area directly to another bonding area, i.e. connectorless bonding, e.g. bumpless bonding
- H01L2224/80009—Pre-treatment of the bonding area
- H01L2224/8001—Cleaning the bonding area, e.g. oxide removal step, desmearing
- H01L2224/80012—Mechanical cleaning, e.g. abrasion using hydro blasting, brushes, ultrasonic cleaning, dry ice blasting, gas-flow
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/80001—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected by connecting a bonding area directly to another bonding area, i.e. connectorless bonding, e.g. bumpless bonding
- H01L2224/80009—Pre-treatment of the bonding area
- H01L2224/8001—Cleaning the bonding area, e.g. oxide removal step, desmearing
- H01L2224/80019—Combinations of two or more cleaning methods provided for in at least two different groups from H01L2224/8001 - H01L2224/80014
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/80001—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected by connecting a bonding area directly to another bonding area, i.e. connectorless bonding, e.g. bumpless bonding
- H01L2224/80009—Pre-treatment of the bonding area
- H01L2224/80024—Applying flux to the bonding area in the bonding apparatus
-
- 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
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/80001—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected by connecting a bonding area directly to another bonding area, i.e. connectorless bonding, e.g. bumpless bonding
- H01L2224/802—Applying energy for connecting
- H01L2224/80201—Compression bonding
- H01L2224/80203—Thermocompression bonding, e.g. diffusion bonding, pressure joining, thermocompression welding or solid-state welding
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910909799.9A CN110634757B (zh) | 2019-09-25 | 2019-09-25 | 一种晶圆背面覆铜的焊接工艺 |
PCT/CN2019/119752 WO2021056778A1 (zh) | 2019-09-25 | 2019-11-20 | 一种晶圆背面覆铜的焊接工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910909799.9A CN110634757B (zh) | 2019-09-25 | 2019-09-25 | 一种晶圆背面覆铜的焊接工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110634757A true CN110634757A (zh) | 2019-12-31 |
CN110634757B CN110634757B (zh) | 2020-12-25 |
Family
ID=68974450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910909799.9A Active CN110634757B (zh) | 2019-09-25 | 2019-09-25 | 一种晶圆背面覆铜的焊接工艺 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN110634757B (zh) |
WO (1) | WO2021056778A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114260530A (zh) * | 2021-12-27 | 2022-04-01 | 烟台台芯电子科技有限公司 | 基于igbt模块大面积陶瓷覆铜板的焊接工艺 |
CN114300561A (zh) * | 2021-12-24 | 2022-04-08 | 安徽钜芯半导体科技有限公司 | 一种高性能光伏模块芯片的加工工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130256894A1 (en) * | 2012-03-29 | 2013-10-03 | International Rectifier Corporation | Porous Metallic Film as Die Attach and Interconnect |
CN103515521A (zh) * | 2013-09-16 | 2014-01-15 | 惠州雷士光电科技有限公司 | 一种覆铜AlSiC复合散热基板及其制备方法 |
CN107256830A (zh) * | 2017-06-01 | 2017-10-17 | 合肥邦诺科技有限公司 | 一种利用丝网印刷技术制备厚膜型氮化铝覆铜基板的方法 |
CN108878351A (zh) * | 2018-06-26 | 2018-11-23 | 华中科技大学 | 一种基于可自还原银离子浆料的低温键合方法 |
CN109560059A (zh) * | 2018-12-02 | 2019-04-02 | 仪征市坤翎铝业有限公司 | 一种晶闸管芯片 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7408258B2 (en) * | 2003-08-20 | 2008-08-05 | Salmon Technologies, Llc | Interconnection circuit and electronic module utilizing same |
CN103785991A (zh) * | 2012-10-27 | 2014-05-14 | 汉中新环干式变压器有限责任公司 | 大面积铜板平面焊接方法 |
CN107498128A (zh) * | 2017-09-01 | 2017-12-22 | 安徽华东光电技术研究所 | 用于微波调试过程中覆锡铜皮的制作工艺 |
CN208240652U (zh) * | 2018-06-20 | 2018-12-14 | 广东美的制冷设备有限公司 | 功率模块及空调器 |
-
2019
- 2019-09-25 CN CN201910909799.9A patent/CN110634757B/zh active Active
- 2019-11-20 WO PCT/CN2019/119752 patent/WO2021056778A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130256894A1 (en) * | 2012-03-29 | 2013-10-03 | International Rectifier Corporation | Porous Metallic Film as Die Attach and Interconnect |
CN103515521A (zh) * | 2013-09-16 | 2014-01-15 | 惠州雷士光电科技有限公司 | 一种覆铜AlSiC复合散热基板及其制备方法 |
CN107256830A (zh) * | 2017-06-01 | 2017-10-17 | 合肥邦诺科技有限公司 | 一种利用丝网印刷技术制备厚膜型氮化铝覆铜基板的方法 |
CN108878351A (zh) * | 2018-06-26 | 2018-11-23 | 华中科技大学 | 一种基于可自还原银离子浆料的低温键合方法 |
CN109560059A (zh) * | 2018-12-02 | 2019-04-02 | 仪征市坤翎铝业有限公司 | 一种晶闸管芯片 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114300561A (zh) * | 2021-12-24 | 2022-04-08 | 安徽钜芯半导体科技有限公司 | 一种高性能光伏模块芯片的加工工艺 |
CN114260530A (zh) * | 2021-12-27 | 2022-04-01 | 烟台台芯电子科技有限公司 | 基于igbt模块大面积陶瓷覆铜板的焊接工艺 |
Also Published As
Publication number | Publication date |
---|---|
WO2021056778A1 (zh) | 2021-04-01 |
CN110634757B (zh) | 2020-12-25 |
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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 | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Welding Process for Copper Cladding on the Back of Wafers Effective date of registration: 20230629 Granted publication date: 20201225 Pledgee: Rizhao bank Limited by Share Ltd. Yantai branch Pledgor: YANTAI TAIXIN ELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: Y2023980046494 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20201225 Pledgee: Rizhao bank Limited by Share Ltd. Yantai branch Pledgor: YANTAI TAIXIN ELECTRONICS TECHNOLOGY Co.,Ltd. Registration number: Y2023980046494 |