CN103137548A - 改善硅接触孔刻蚀工艺窗口的方法 - Google Patents
改善硅接触孔刻蚀工艺窗口的方法 Download PDFInfo
- Publication number
- CN103137548A CN103137548A CN2011103884231A CN201110388423A CN103137548A CN 103137548 A CN103137548 A CN 103137548A CN 2011103884231 A CN2011103884231 A CN 2011103884231A CN 201110388423 A CN201110388423 A CN 201110388423A CN 103137548 A CN103137548 A CN 103137548A
- Authority
- CN
- China
- Prior art keywords
- etching
- silicon
- contact hole
- polysilicon
- barrier layer
- 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.)
- Pending
Links
Images
Landscapes
- Drying Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011103884231A CN103137548A (zh) | 2011-11-29 | 2011-11-29 | 改善硅接触孔刻蚀工艺窗口的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011103884231A CN103137548A (zh) | 2011-11-29 | 2011-11-29 | 改善硅接触孔刻蚀工艺窗口的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103137548A true CN103137548A (zh) | 2013-06-05 |
Family
ID=48497181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011103884231A Pending CN103137548A (zh) | 2011-11-29 | 2011-11-29 | 改善硅接触孔刻蚀工艺窗口的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103137548A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111653476A (zh) * | 2020-05-13 | 2020-09-11 | 上海华虹宏力半导体制造有限公司 | 接触孔的刻蚀方法及接触孔刻蚀结构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5174858A (en) * | 1990-06-04 | 1992-12-29 | Matsushita Electric Industrial Co., Ltd. | Method of forming contact structure |
US5670404A (en) * | 1996-06-21 | 1997-09-23 | Industrial Technology Research Institute | Method for making self-aligned bit line contacts on a DRAM circuit having a planarized insulating layer |
US6483153B1 (en) * | 1999-10-14 | 2002-11-19 | Advanced Micro Devices, Inc. | Method to improve LDD corner control with an in-situ film for local interconnect processing |
CN1541411A (zh) * | 2002-08-22 | 2004-10-27 | 英特尔公司 | 到栅极的自对准接触 |
-
2011
- 2011-11-29 CN CN2011103884231A patent/CN103137548A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5174858A (en) * | 1990-06-04 | 1992-12-29 | Matsushita Electric Industrial Co., Ltd. | Method of forming contact structure |
US5670404A (en) * | 1996-06-21 | 1997-09-23 | Industrial Technology Research Institute | Method for making self-aligned bit line contacts on a DRAM circuit having a planarized insulating layer |
US6483153B1 (en) * | 1999-10-14 | 2002-11-19 | Advanced Micro Devices, Inc. | Method to improve LDD corner control with an in-situ film for local interconnect processing |
CN1541411A (zh) * | 2002-08-22 | 2004-10-27 | 英特尔公司 | 到栅极的自对准接触 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111653476A (zh) * | 2020-05-13 | 2020-09-11 | 上海华虹宏力半导体制造有限公司 | 接触孔的刻蚀方法及接触孔刻蚀结构 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101814523B (zh) | 半导体装置及其制造方法 | |
KR100640159B1 (ko) | 채널길이를 증가시킨 반도체소자 및 그의 제조 방법 | |
CN104425366B (zh) | 半导体结构的形成方法 | |
US7528033B2 (en) | Semiconductor device with a dummy gate and a method of manufacturing a semiconductor device with a dummy gate | |
US9627269B2 (en) | Transistor and fabrication method thereof | |
CN104103523A (zh) | 一种带u形沟槽的功率器件的制造方法 | |
JP6310577B2 (ja) | スプリットゲート型パワーデバイスの製造方法 | |
KR100946056B1 (ko) | 반도체 메모리 소자의 제조 방법 | |
US11456367B2 (en) | Trench gate structure and method of forming a trench gate structure | |
KR101001466B1 (ko) | 비휘발성 메모리 소자의 제조 방법 | |
US20110266597A1 (en) | Semiconductor device and method for manufacturing the same | |
CN103137548A (zh) | 改善硅接触孔刻蚀工艺窗口的方法 | |
CN103187254B (zh) | 一种双多晶硅栅的制造方法 | |
US7301193B2 (en) | Structure and method for low Vss resistance and reduced DIBL in a floating gate memory cell | |
US8039907B2 (en) | Semiconductor device and method for fabricating the same | |
CN103531476A (zh) | 半导体器件制造方法 | |
KR100429873B1 (ko) | 모스 트랜지스터 및 그 형성방법 | |
US20110287625A1 (en) | Methods of forming a pattern, methods of forming a gate structure and methods of manufacturing a semiconductor device using the same | |
KR100317491B1 (ko) | 플래쉬 메모리 소자의 제조 방법 | |
KR100504193B1 (ko) | 반도체소자의 게이트 스페이서 형성방법 | |
CN102760681B (zh) | 组件内隔离结构的制造方法 | |
KR20050122475A (ko) | 리세스 게이트를 갖는 트랜지스터 및 그 제조 방법 | |
US20050090088A1 (en) | Method for forming a word line spacer with good square profile | |
KR100939429B1 (ko) | 반도체 소자 및 이의 제조 방법 | |
CN103177949A (zh) | 金属硅化物栅极的形成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
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: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20140109 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201206 PUDONG NEW AREA, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20140109 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech Park No. 1399 Applicant after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 1188 Bridge Applicant before: Shanghai Huahong NEC Electronics Co., Ltd. |
|
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130605 |