KR100557927B1 - 에스램 디바이스의 콘택 형성방법 - Google Patents
에스램 디바이스의 콘택 형성방법 Download PDFInfo
- Publication number
- KR100557927B1 KR100557927B1 KR1019990025307A KR19990025307A KR100557927B1 KR 100557927 B1 KR100557927 B1 KR 100557927B1 KR 1019990025307 A KR1019990025307 A KR 1019990025307A KR 19990025307 A KR19990025307 A KR 19990025307A KR 100557927 B1 KR100557927 B1 KR 100557927B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- film
- contact
- channel
- node
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B10/00—Static random access memory [SRAM] devices
- H10B10/12—Static random access memory [SRAM] devices comprising a MOSFET load element
- H10B10/125—Static random access memory [SRAM] devices comprising a MOSFET load element the MOSFET being a thin film transistor [TFT]
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76895—Local interconnects; Local pads, as exemplified by patent document EP0896365
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0149—Manufacturing their interconnections or electrodes, e.g. source or drain electrodes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/903—FET configuration adapted for use as static memory cell
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)
- Semiconductor Memories (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (8)
- 드라이브 트랜지스터와, 억세스 트랜지스터 및 공통 노드용 접합 영역이 형성된 반도체 기판을 제공하는 단계;상기 반도체 기판상에 층간 절연막을 형성하는 단계;상기 층간 절연막상의 소정 부분에 TFT용 게이트 전극을 형성하면서 상기 공통 노드용 접합 영역과 대응되는 부분에 버퍼 콘택부를 형성하는 단계;상기 TFT용 게이트 전극 및 버퍼 콘택부의 표면에 게이트 절연막을 형성하는 단계;기판 결과물 상부에 채널용 폴리실리콘막을 형성하는 단계;상기 채널용 폴리실리콘막의 소정 부분에 불순물을 이온 주입하여 TFT의 소오스 및 드레인 영역을 형성하는 단계;상기 채널용 폴리실리콘막 상부에 보호막을 형성하는 단계;상기 공통 노드 및 드라이브 트랜지스터의 게이트 전극의 소정 부분이 노출되도록 보호막, 채널용 폴리실리콘막, 게이트 절연막, 버퍼 콘택부 및 층간 절연막을 식각하여 노드 콘택홀을 형성하는 단계; 및상기 노드 콘택홀 내에 상기 공통 노드 및 드라이브 트랜지스터의 게이트 전극의 노출된 부분과 콘택되면서 상기 버퍼 콘택부 및 채널용 폴리실리콘막의 식각된 측면과 콘택되는 콘택 라인을 형성하는 단계를 포함하는 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
- 제 1 항에 있어서, 상기 콘택 라인은, 상기 노드 콘택홀내에 도핑된 폴리실리콘막과, 전이 금속 실리사이드막을 순차적으로 적층하여 형성하는 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
- 제 1 항에 있어서, 상기 콘택 라인은, 상기 노드 콘택홀내에 도핑된 폴리실리콘막을 매립시켜서 형성하는 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
- 제 1 항에 있어서, 상기 콘택 라인은, 상기 노드 콘택홀내에 금속막을 매립시켜서 형성하는 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
- 제 4 항에 있어서, 상기 금속막은 텅스텐막인 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
- 제 1 항에 있어서, 상기 보호막은 산화막인 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
- 제 1 항에 있어서, 상기 콘택 라인을 형성하는 단계 이후에, 채널용 폴리실리콘막을 패터닝하여, 채널층을 형성하는 단계를 더 포함하는 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
- 제 1 항에 있어서, 상기 버퍼 콘택부 및 상기 TFT 게이트 전극은 도핑된 폴리실리콘막으로 형성되는 것을 특징으로 하는 에스램 디바이스의 콘택 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990025307A KR100557927B1 (ko) | 1999-06-29 | 1999-06-29 | 에스램 디바이스의 콘택 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990025307A KR100557927B1 (ko) | 1999-06-29 | 1999-06-29 | 에스램 디바이스의 콘택 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010004613A KR20010004613A (ko) | 2001-01-15 |
KR100557927B1 true KR100557927B1 (ko) | 2006-03-10 |
Family
ID=19596959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990025307A Expired - Fee Related KR100557927B1 (ko) | 1999-06-29 | 1999-06-29 | 에스램 디바이스의 콘택 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100557927B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100715267B1 (ko) * | 2005-06-09 | 2007-05-08 | 삼성전자주식회사 | 스택형 반도체 장치 및 그 제조 방법 |
KR102493127B1 (ko) | 2015-10-01 | 2023-01-31 | 삼성디스플레이 주식회사 | 반도체 소자 및 그의 제조 방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR980005542A (ko) * | 1996-06-27 | 1998-03-30 | 김주용 | 에스램의 콘택 형성방법 |
-
1999
- 1999-06-29 KR KR1019990025307A patent/KR100557927B1/ko not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR980005542A (ko) * | 1996-06-27 | 1998-03-30 | 김주용 | 에스램의 콘택 형성방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20010004613A (ko) | 2001-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8124976B2 (en) | Semiconductor device and method of manufacturing the same | |
JP5629872B2 (ja) | Soi型トランジスタ | |
US6399987B2 (en) | MOS transistor having self-aligned well bias area | |
JP2002329798A (ja) | 半導体装置 | |
US20040007764A1 (en) | Semiconductor memory devices including different thickness dielectric layers for the cell transistors and refresh transistors thereof, and methods for fabricating same | |
US6734479B1 (en) | Semiconductor integrated circuit device and the method of producing the same | |
US20040207011A1 (en) | Semiconductor device, semiconductor storage device and production methods therefor | |
US6380045B1 (en) | Method of forming asymmetric wells for DRAM cells | |
KR100557927B1 (ko) | 에스램 디바이스의 콘택 형성방법 | |
JP2820085B2 (ja) | 半導体記憶装置とその製造方法 | |
JPH04306875A (ja) | 半導体記憶装置の構造 | |
KR100340883B1 (ko) | 에스램 디바이스의 제조방법 | |
KR100306813B1 (ko) | 박막 트랜지스터의 제조방법 | |
KR0165422B1 (ko) | 박막트랜지스터 장치 및 그 제조방법 | |
KR20010004615A (ko) | 에스램 디바이스의 제조방법 | |
KR100557931B1 (ko) | 에스램 디바이스의 제조방법 | |
KR100362195B1 (ko) | 에스램 제조방법 | |
JP2685372B2 (ja) | スタティックramセル | |
KR100321146B1 (ko) | 에스램 디바이스 및 그 제조방법 | |
KR20060077065A (ko) | 시스템온칩소자 및 그의 제조 방법 | |
KR20050024099A (ko) | 에스램 소자의 제조방법 및 그에 의해 제조된 에스램 소자 | |
KR100200701B1 (ko) | 박막 트랜지스터 및 그 제조방법 | |
KR100260485B1 (ko) | 박막 트랜지스터 제조 방법 | |
KR100321147B1 (ko) | 에스램 디바이스의 박막 트랜지스터 형성방법 | |
JPH0653438A (ja) | 半導体装置及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
PN2301 | Change of applicant |
St.27 status event code: A-3-3-R10-R13-asn-PN2301 St.27 status event code: A-3-3-R10-R11-asn-PN2301 |
|
A201 | Request for examination | ||
PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
PR1002 | Payment of registration fee |
St.27 status event code: A-2-2-U10-U11-oth-PR1002 Fee payment year number: 1 |
|
PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 4 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 5 |
|
FPAY | Annual fee payment |
Payment date: 20110126 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
St.27 status event code: A-4-4-U10-U11-oth-PR1001 Fee payment year number: 6 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
St.27 status event code: A-4-4-U10-U13-oth-PC1903 Not in force date: 20120228 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
PC1903 | Unpaid annual fee |
St.27 status event code: N-4-6-H10-H13-oth-PC1903 Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20120228 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |