KR100454073B1 - 에스램 셀의 제조방법 - Google Patents
에스램 셀의 제조방법 Download PDFInfo
- Publication number
- KR100454073B1 KR100454073B1 KR10-2001-0084016A KR20010084016A KR100454073B1 KR 100454073 B1 KR100454073 B1 KR 100454073B1 KR 20010084016 A KR20010084016 A KR 20010084016A KR 100454073 B1 KR100454073 B1 KR 100454073B1
- Authority
- KR
- South Korea
- Prior art keywords
- pull
- sram cell
- gate
- polycrystalline silicon
- insulating film
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 239000004065 semiconductor Substances 0.000 claims abstract description 12
- 125000006850 spacer group Chemical group 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 238000005498 polishing Methods 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000000137 annealing Methods 0.000 claims description 4
- 238000001953 recrystallisation Methods 0.000 claims 2
- 239000010408 film Substances 0.000 abstract description 37
- 238000005468 ion implantation Methods 0.000 abstract description 9
- 239000010409 thin film Substances 0.000 abstract description 6
- 229920005591 polysilicon Polymers 0.000 description 4
- 230000015654 memory Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0221—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies
- H10D86/0223—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials
- H10D86/0229—Manufacture or treatment of multiple TFTs comprising manufacture, treatment or patterning of TFT semiconductor bodies comprising crystallisation of amorphous, microcrystalline or polycrystalline semiconductor materials characterised by control of the annealing or irradiation parameters
-
- 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
- Semiconductor Memories (AREA)
- Thin Film Transistor (AREA)
Abstract
Description
Claims (5)
- 2개의 억세스 소자, 2개의 풀다운 소자 및 2개의 풀업 소자로 구성되는 에스램 셀의 제조방법에 있어서,반도체 기판 상에 억세스 소자 및 풀다운 소자로서 양측벽에 스페이서를 구비한 게이트와 상기 게이트 양측의 LDD 영역을 구비한 소오스/드레인 영역으로 구성되는 모스 트랜지스터들을 형성하는 단계;상기 모스 트랜지스터들을 포함한 반도체 기판의 전면 상에 절연막을 두껍게 증착하는 단계;상기 절연막을 화학기계적연마(CMP)하여 평탄화시키는 단계;상기 기판 결과물 상에 게이트 절연막을 형성하는 단계;상기 게이트 절연막 상에 다결정 실리콘막을 증착하는 단계;상기 다결정 실리콘막을 재결정화시키는 단계;상기 재결정화된 다결정 실리콘막 상에 모스 트랜지스터들의 게이트 상부를 가리는 마스크 패턴을 형성하는 단계; 및상기 마스크 패턴으로 가려지지 않은 재결정화된 다결정 실리콘막 부분에 P형 불순물을 고농도로 이온주입하는 것에 의해 P+ 접합영역을 형성하여 풀업 소자로서 P채널 박막트랜지스터를 형성하는 단계를 포함하는 것을 특징으로 하는 에스램 셀의 제조방법.
- 제 1 항에 있어서,상기 재결정화는 히트 사이클(heat cycle)로 진행하는 것을 특징으로 하는 에스램 셀의 제조방법.
- 제 1 항에 있어서,상기 재결정화는 레이저(Laser) 조사로 진행하는 것을 특징으로 하는 에스램 셀의 제조방법.
- 삭제
- 제 4 항에 있어서,상기 P형 불순물을 고농도로 이온주입한 후, 어닐링 공정을 추가로 실시하는 것을 특징으로 하는 에스램 셀의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0084016A KR100454073B1 (ko) | 2001-12-24 | 2001-12-24 | 에스램 셀의 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0084016A KR100454073B1 (ko) | 2001-12-24 | 2001-12-24 | 에스램 셀의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030053968A KR20030053968A (ko) | 2003-07-02 |
KR100454073B1 true KR100454073B1 (ko) | 2004-10-26 |
Family
ID=32212616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0084016A KR100454073B1 (ko) | 2001-12-24 | 2001-12-24 | 에스램 셀의 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100454073B1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5422499A (en) * | 1993-02-22 | 1995-06-06 | Micron Semiconductor, Inc. | Sixteen megabit static random access memory (SRAM) cell |
JPH0878538A (ja) * | 1994-09-06 | 1996-03-22 | Hitachi Ltd | 半導体記憶装置およびそれを用いた情報処理装置 |
JPH0897430A (ja) * | 1994-09-28 | 1996-04-12 | Seiko Epson Corp | 半導体装置 |
US6140684A (en) * | 1997-06-24 | 2000-10-31 | Stmicroelectronic, Inc. | SRAM cell structure with dielectric sidewall spacers and drain and channel regions defined along sidewall spacers |
KR20010017213A (ko) * | 1999-08-09 | 2001-03-05 | 박종섭 | 반도체 소자 형성방법 |
KR20010078219A (ko) * | 2000-02-01 | 2001-08-20 | 이데이 노부유끼 | 박막 반도체 장치 및 표시 장치와 그 제조 방법 |
-
2001
- 2001-12-24 KR KR10-2001-0084016A patent/KR100454073B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5422499A (en) * | 1993-02-22 | 1995-06-06 | Micron Semiconductor, Inc. | Sixteen megabit static random access memory (SRAM) cell |
JPH0878538A (ja) * | 1994-09-06 | 1996-03-22 | Hitachi Ltd | 半導体記憶装置およびそれを用いた情報処理装置 |
JPH0897430A (ja) * | 1994-09-28 | 1996-04-12 | Seiko Epson Corp | 半導体装置 |
US6140684A (en) * | 1997-06-24 | 2000-10-31 | Stmicroelectronic, Inc. | SRAM cell structure with dielectric sidewall spacers and drain and channel regions defined along sidewall spacers |
KR20010017213A (ko) * | 1999-08-09 | 2001-03-05 | 박종섭 | 반도체 소자 형성방법 |
KR20010078219A (ko) * | 2000-02-01 | 2001-08-20 | 이데이 노부유끼 | 박막 반도체 장치 및 표시 장치와 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20030053968A (ko) | 2003-07-02 |
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