CN101958279B - 提高沟槽宽度均匀性的方法 - Google Patents
提高沟槽宽度均匀性的方法 Download PDFInfo
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- CN101958279B CN101958279B CN 200910055167 CN200910055167A CN101958279B CN 101958279 B CN101958279 B CN 101958279B CN 200910055167 CN200910055167 CN 200910055167 CN 200910055167 A CN200910055167 A CN 200910055167A CN 101958279 B CN101958279 B CN 101958279B
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- Prior art keywords
- bottom anti
- reflection layer
- wafer
- layer
- groove
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005530 etching Methods 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 230000004888 barrier function Effects 0.000 claims description 14
- 238000000059 patterning Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract 8
- 239000012790 adhesive layer Substances 0.000 abstract 4
- 238000009413 insulation Methods 0.000 abstract 2
- 239000012774 insulation material Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 230000003667 anti-reflective effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000001312 dry etching Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 241000720974 Protium Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000802 nitrating effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910055167 CN101958279B (zh) | 2009-07-21 | 2009-07-21 | 提高沟槽宽度均匀性的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910055167 CN101958279B (zh) | 2009-07-21 | 2009-07-21 | 提高沟槽宽度均匀性的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101958279A CN101958279A (zh) | 2011-01-26 |
CN101958279B true CN101958279B (zh) | 2013-01-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200910055167 Expired - Fee Related CN101958279B (zh) | 2009-07-21 | 2009-07-21 | 提高沟槽宽度均匀性的方法 |
Country Status (1)
Country | Link |
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CN (1) | CN101958279B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105702709B (zh) * | 2016-01-29 | 2018-08-21 | 上海华虹宏力半导体制造有限公司 | 沟槽型超级结的制造方法 |
CN106876396B (zh) * | 2017-03-07 | 2019-03-01 | 长江存储科技有限责任公司 | 一种半导体器件及其制作方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1217657A1 (en) * | 2000-12-20 | 2002-06-26 | Semiconductor 300 GmbH & Co. KG | Method of forming a buried strap in a dram cell |
CN1464545A (zh) * | 2002-06-11 | 2003-12-31 | 旺宏电子股份有限公司 | 浅沟渠隔离结构的制造方法 |
-
2009
- 2009-07-21 CN CN 200910055167 patent/CN101958279B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1217657A1 (en) * | 2000-12-20 | 2002-06-26 | Semiconductor 300 GmbH & Co. KG | Method of forming a buried strap in a dram cell |
CN1464545A (zh) * | 2002-06-11 | 2003-12-31 | 旺宏电子股份有限公司 | 浅沟渠隔离结构的制造方法 |
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Publication number | Publication date |
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CN101958279A (zh) | 2011-01-26 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING Effective date: 20121116 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20121116 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant after: Semiconductor Manufacturing International (Shanghai) Corporation Applicant after: Semiconductor Manufacturing International (Beijing) Corporation Address before: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Applicant before: Semiconductor Manufacturing International (Shanghai) Corporation |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20200721 |