CN106625204B - 一种大尺寸SiC晶片的背面处理方法 - Google Patents
一种大尺寸SiC晶片的背面处理方法 Download PDFInfo
- Publication number
- CN106625204B CN106625204B CN201710010531.2A CN201710010531A CN106625204B CN 106625204 B CN106625204 B CN 106625204B CN 201710010531 A CN201710010531 A CN 201710010531A CN 106625204 B CN106625204 B CN 106625204B
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- China
- Prior art keywords
- sic wafer
- back side
- polishing
- grinding
- synthetic fibers
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 58
- 230000008569 process Effects 0.000 title claims abstract description 36
- 238000005498 polishing Methods 0.000 claims abstract description 117
- 239000012530 fluid Substances 0.000 claims abstract description 46
- 239000010432 diamond Substances 0.000 claims abstract description 43
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 43
- 239000010410 layer Substances 0.000 claims abstract description 43
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 37
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000001259 photo etching Methods 0.000 claims description 5
- 241001062009 Indigofera Species 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 104
- 229910010271 silicon carbide Inorganic materials 0.000 description 103
- 235000012431 wafers Nutrition 0.000 description 102
- 239000000463 material Substances 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000003471 anti-radiation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
- B24B37/044—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor characterised by the composition of the lapping agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/228—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding thin, brittle parts, e.g. semiconductors, wafers
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02016—Backside treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710010531.2A CN106625204B (zh) | 2017-01-06 | 2017-01-06 | 一种大尺寸SiC晶片的背面处理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710010531.2A CN106625204B (zh) | 2017-01-06 | 2017-01-06 | 一种大尺寸SiC晶片的背面处理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106625204A CN106625204A (zh) | 2017-05-10 |
CN106625204B true CN106625204B (zh) | 2019-05-24 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710010531.2A Active CN106625204B (zh) | 2017-01-06 | 2017-01-06 | 一种大尺寸SiC晶片的背面处理方法 |
Country Status (1)
Country | Link |
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CN (1) | CN106625204B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111098224B (zh) * | 2018-10-26 | 2022-08-26 | 东莞新科技术研究开发有限公司 | 半导体基板及其表面研磨方法 |
CN110253421A (zh) * | 2019-06-21 | 2019-09-20 | 苏州长瑞光电有限公司 | Iii-v族半导体晶圆的减薄方法 |
CN112846948B (zh) * | 2019-11-28 | 2024-02-23 | 东莞新科技术研究开发有限公司 | 一种晶圆表面的加工方法 |
CN111136572A (zh) * | 2019-12-13 | 2020-05-12 | 中国电子科技集团公司第十三研究所 | 倒装陶瓷外壳焊盘的制作方法及倒装陶瓷外壳的制作方法 |
CN115138230B (zh) * | 2022-07-29 | 2023-06-13 | 江苏艾森半导体材料股份有限公司 | 一种厚膜负性光刻胶及配胶方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100400234C (zh) * | 2006-04-19 | 2008-07-09 | 山东大学 | 大直径高硬度6H-SiC单晶片的表面抛光方法 |
CN101579838B (zh) * | 2008-05-13 | 2015-09-09 | 智胜科技股份有限公司 | 研磨方法、研磨垫及研磨系统 |
CN102449734A (zh) * | 2009-10-30 | 2012-05-09 | 住友电气工业株式会社 | 制造碳化硅衬底的方法和碳化硅衬底 |
CN102214565B (zh) * | 2010-04-09 | 2012-10-03 | 中国科学院微电子研究所 | 一种对碳化硅晶片进行减薄的方法 |
CN102391789B (zh) * | 2011-08-19 | 2013-10-16 | 湖南皓志新材料股份有限公司 | 一种纳米金刚石抛光液的制备方法 |
CN103506928B (zh) * | 2012-06-19 | 2016-02-10 | 上海硅酸盐研究所中试基地 | 超硬半导体材料抛光方法 |
US9018639B2 (en) * | 2012-10-26 | 2015-04-28 | Dow Corning Corporation | Flat SiC semiconductor substrate |
CN103035489B (zh) * | 2012-11-19 | 2016-04-13 | 上海华虹宏力半导体制造有限公司 | 精确控制晶圆减薄厚度的方法 |
-
2017
- 2017-01-06 CN CN201710010531.2A patent/CN106625204B/zh active Active
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CN106625204A (zh) | 2017-05-10 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Back surface processing method for large-size SiC wafer Effective date of registration: 20190715 Granted publication date: 20190524 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN TIANYU SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Registration number: 2019440000263 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 523000 second floor office building, No.5, Gongye North 1st Road, Hubei Industrial City, Songshan, Dongguan City, Guangdong Province Patentee after: Guangdong Tianyu Semiconductor Co.,Ltd. Address before: 523000 second floor office building, No.5, Gongye North 1st Road, Hubei Industrial City, Songshan, Dongguan City, Guangdong Province Patentee before: DONGGUAN TIANYU SEMICONDUCTOR TECHNOLOGY Co.,Ltd. |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230406 Granted publication date: 20190524 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN TIANYU SEMICONDUCTOR TECHNOLOGY Co.,Ltd. Registration number: 2019440000263 |
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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 Back Processing Method for Large SiC Wafers Effective date of registration: 20230512 Granted publication date: 20190524 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: Guangdong Tianyu Semiconductor Co.,Ltd. Registration number: Y2023980040499 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190524 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: Guangdong Tianyu Semiconductor Co.,Ltd. Registration number: Y2023980040499 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |