CN107731726A - 一种玻璃钝化晶片背面切割方法 - Google Patents
一种玻璃钝化晶片背面切割方法 Download PDFInfo
- Publication number
- CN107731726A CN107731726A CN201711122028.2A CN201711122028A CN107731726A CN 107731726 A CN107731726 A CN 107731726A CN 201711122028 A CN201711122028 A CN 201711122028A CN 107731726 A CN107731726 A CN 107731726A
- Authority
- CN
- China
- Prior art keywords
- chip
- laser
- back surface
- glassivation
- chip back
- 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
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000005520 cutting process Methods 0.000 title claims abstract description 22
- 238000004528 spin coating Methods 0.000 claims abstract description 14
- 238000001259 photo etching Methods 0.000 claims abstract description 12
- 238000006263 metalation reaction Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 229920002120 photoresistant polymer Polymers 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 238000002161 passivation Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229960000583 acetic acid Drugs 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000000280 densification Methods 0.000 claims description 3
- 239000012362 glacial acetic acid Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000000206 photolithography Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 235000012431 wafers Nutrition 0.000 abstract description 38
- 238000004519 manufacturing process Methods 0.000 abstract description 19
- 238000005530 etching Methods 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
- H01L21/682—Mask-wafer alignment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Laser Beam Processing (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711122028.2A CN107731726B (zh) | 2017-11-14 | 2017-11-14 | 一种玻璃钝化晶片背面切割方法 |
Applications Claiming Priority (1)
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---|---|---|---|
CN201711122028.2A CN107731726B (zh) | 2017-11-14 | 2017-11-14 | 一种玻璃钝化晶片背面切割方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107731726A true CN107731726A (zh) | 2018-02-23 |
CN107731726B CN107731726B (zh) | 2019-12-13 |
Family
ID=61215545
Family Applications (1)
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CN201711122028.2A Active CN107731726B (zh) | 2017-11-14 | 2017-11-14 | 一种玻璃钝化晶片背面切割方法 |
Country Status (1)
Country | Link |
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CN (1) | CN107731726B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111302612A (zh) * | 2020-03-31 | 2020-06-19 | 长沙韶光铬版有限公司 | 一种光学玻璃零件的制作方法 |
CN111319345A (zh) * | 2018-12-14 | 2020-06-23 | 天津环鑫科技发展有限公司 | 一种tvs芯片玻璃钝化丝网印刷网版及其工艺方法 |
CN111660014A (zh) * | 2020-06-09 | 2020-09-15 | 上海申和热磁电子有限公司 | 一种提高dbc基板从背面激光切割精度的方法 |
WO2021170145A1 (zh) * | 2020-02-27 | 2021-09-02 | 西人马联合测控(泉州)科技有限公司 | 芯片的分离方法以及晶圆 |
CN118063086A (zh) * | 2024-04-17 | 2024-05-24 | 四川坤鸿电子科技有限公司 | 一种玻璃盖板切割系统及切割方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101621026A (zh) * | 2009-08-05 | 2010-01-06 | 武汉华工激光工程有限责任公司 | 玻璃钝化硅晶圆的背面激光切割方法 |
WO2010042311A8 (en) * | 2008-10-08 | 2010-06-10 | Guardian Industries Corp. | Stiffening members for reflectors used in concentrating solar power apparatus, and method of making same |
CN102581968A (zh) * | 2012-02-24 | 2012-07-18 | 扬州虹扬科技发展有限公司 | 一种台面硅整流器件的切割方法 |
CN105390385A (zh) * | 2015-11-03 | 2016-03-09 | 常州星海电子有限公司 | 高浪涌玻璃钝化芯片 |
CN105932070A (zh) * | 2016-06-17 | 2016-09-07 | 山东芯诺电子科技有限公司 | 一种低功耗高浪涌能力的二极管整流芯片及其生产工艺 |
-
2017
- 2017-11-14 CN CN201711122028.2A patent/CN107731726B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010042311A8 (en) * | 2008-10-08 | 2010-06-10 | Guardian Industries Corp. | Stiffening members for reflectors used in concentrating solar power apparatus, and method of making same |
CN101621026A (zh) * | 2009-08-05 | 2010-01-06 | 武汉华工激光工程有限责任公司 | 玻璃钝化硅晶圆的背面激光切割方法 |
CN102581968A (zh) * | 2012-02-24 | 2012-07-18 | 扬州虹扬科技发展有限公司 | 一种台面硅整流器件的切割方法 |
CN105390385A (zh) * | 2015-11-03 | 2016-03-09 | 常州星海电子有限公司 | 高浪涌玻璃钝化芯片 |
CN105932070A (zh) * | 2016-06-17 | 2016-09-07 | 山东芯诺电子科技有限公司 | 一种低功耗高浪涌能力的二极管整流芯片及其生产工艺 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111319345A (zh) * | 2018-12-14 | 2020-06-23 | 天津环鑫科技发展有限公司 | 一种tvs芯片玻璃钝化丝网印刷网版及其工艺方法 |
CN111319345B (zh) * | 2018-12-14 | 2021-05-14 | 天津环鑫科技发展有限公司 | 一种tvs芯片玻璃钝化丝网印刷网版及其工艺方法 |
WO2021170145A1 (zh) * | 2020-02-27 | 2021-09-02 | 西人马联合测控(泉州)科技有限公司 | 芯片的分离方法以及晶圆 |
CN111302612A (zh) * | 2020-03-31 | 2020-06-19 | 长沙韶光铬版有限公司 | 一种光学玻璃零件的制作方法 |
CN111660014A (zh) * | 2020-06-09 | 2020-09-15 | 上海申和热磁电子有限公司 | 一种提高dbc基板从背面激光切割精度的方法 |
CN118063086A (zh) * | 2024-04-17 | 2024-05-24 | 四川坤鸿电子科技有限公司 | 一种玻璃盖板切割系统及切割方法 |
Also Published As
Publication number | Publication date |
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CN107731726B (zh) | 2019-12-13 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A back cutting method of glass passivated wafer Effective date of registration: 20211222 Granted publication date: 20191213 Pledgee: Jining Yanzhou sub branch of laishang Bank Co.,Ltd. Pledgor: SHANDONG XINNUO ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2021980015709 |
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Date of cancellation: 20231117 Granted publication date: 20191213 Pledgee: Jining Yanzhou sub branch of laishang Bank Co.,Ltd. Pledgor: SHANDONG XINNUO ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2021980015709 |
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PC01 | Cancellation 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 method for cutting the back of glass passivated chips Effective date of registration: 20231213 Granted publication date: 20191213 Pledgee: Jining Yanzhou sub branch of laishang Bank Co.,Ltd. Pledgor: SHANDONG XINNUO ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2023980071102 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |