CN102427057A - 存储器字线高度的控制方法 - Google Patents
存储器字线高度的控制方法 Download PDFInfo
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- CN102427057A CN102427057A CN201110299630XA CN201110299630A CN102427057A CN 102427057 A CN102427057 A CN 102427057A CN 201110299630X A CN201110299630X A CN 201110299630XA CN 201110299630 A CN201110299630 A CN 201110299630A CN 102427057 A CN102427057 A CN 102427057A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 82
- 229920005591 polysilicon Polymers 0.000 claims abstract description 66
- 238000005530 etching Methods 0.000 claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 4
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 101100400452 Caenorhabditis elegans map-2 gene Proteins 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Semiconductor Memories (AREA)
- Drying Of Semiconductors (AREA)
Abstract
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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201110299630.XA CN102427057B (zh) | 2011-09-30 | 2011-09-30 | 存储器字线高度的控制方法 |
Applications Claiming Priority (1)
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CN201110299630.XA CN102427057B (zh) | 2011-09-30 | 2011-09-30 | 存储器字线高度的控制方法 |
Publications (2)
Publication Number | Publication Date |
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CN102427057A true CN102427057A (zh) | 2012-04-25 |
CN102427057B CN102427057B (zh) | 2016-03-02 |
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CN201110299630.XA Active CN102427057B (zh) | 2011-09-30 | 2011-09-30 | 存储器字线高度的控制方法 |
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CN (1) | CN102427057B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104091786A (zh) * | 2014-07-23 | 2014-10-08 | 上海华虹宏力半导体制造有限公司 | 闪存存储器的形成方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6869837B1 (en) * | 2004-01-15 | 2005-03-22 | Taiwan Semiconductor Manufacturing Company | Methods of fabricating a word-line spacer for wide over-etching window on outside diameter (OD) and strong fence |
US20050133850A1 (en) * | 2003-03-27 | 2005-06-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for forming a box shaped polygate |
CN101197328A (zh) * | 2006-12-04 | 2008-06-11 | 中芯国际集成电路制造(上海)有限公司 | Sonos快闪存储器的制作方法 |
US20100252875A1 (en) * | 2009-04-03 | 2010-10-07 | Powerchip Semiconductor Corp. | Structure and fabricating process of non-volatile memory |
CN101866884A (zh) * | 2009-04-14 | 2010-10-20 | 中芯国际集成电路制造(北京)有限公司 | 非易失性存储器控制栅极字线的加工方法 |
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2011
- 2011-09-30 CN CN201110299630.XA patent/CN102427057B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050133850A1 (en) * | 2003-03-27 | 2005-06-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for forming a box shaped polygate |
US6869837B1 (en) * | 2004-01-15 | 2005-03-22 | Taiwan Semiconductor Manufacturing Company | Methods of fabricating a word-line spacer for wide over-etching window on outside diameter (OD) and strong fence |
CN101197328A (zh) * | 2006-12-04 | 2008-06-11 | 中芯国际集成电路制造(上海)有限公司 | Sonos快闪存储器的制作方法 |
US20100252875A1 (en) * | 2009-04-03 | 2010-10-07 | Powerchip Semiconductor Corp. | Structure and fabricating process of non-volatile memory |
CN101866884A (zh) * | 2009-04-14 | 2010-10-20 | 中芯国际集成电路制造(北京)有限公司 | 非易失性存储器控制栅极字线的加工方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104091786A (zh) * | 2014-07-23 | 2014-10-08 | 上海华虹宏力半导体制造有限公司 | 闪存存储器的形成方法 |
Also Published As
Publication number | Publication date |
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CN102427057B (zh) | 2016-03-02 |
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C06 | Publication | ||
PB01 | Publication | ||
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C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: 201203 Shanghai Zhangjiang hi tech park Zuchongzhi Road No. 1399 Applicant after: Shanghai Huahong Grace Semiconductor Manufacturing Corp. Address before: 201203 Shanghai Guo Shou Jing Road, Pudong New Area Zhangjiang hi tech Park No. 818 Applicant before: Shanghai Huahong Grace Semiconductor Manufacturing Corp. Address after: 201203 Shanghai Guo Shou Jing Road, Pudong New Area Zhangjiang hi tech Park No. 818 Applicant after: Shanghai Huahong Grace Semiconductor Manufacturing Corp. Address before: 201203 Shanghai Guo Shou Jing Road, Pudong New Area Zhangjiang hi tech Park No. 818 Applicant before: Grace Semiconductor Manufacturing Corp. |
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COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HONGLI SEMICONDUCTOR MANUFACTURE CO LTD, SHANGHAI TO: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING CORPORATION |
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |