KR100695990B1 - 비휘발성 메모리 소자 - Google Patents
비휘발성 메모리 소자 Download PDFInfo
- Publication number
- KR100695990B1 KR100695990B1 KR1020050058237A KR20050058237A KR100695990B1 KR 100695990 B1 KR100695990 B1 KR 100695990B1 KR 1020050058237 A KR1020050058237 A KR 1020050058237A KR 20050058237 A KR20050058237 A KR 20050058237A KR 100695990 B1 KR100695990 B1 KR 100695990B1
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- South Korea
- Prior art keywords
- region
- nmos
- gate
- source
- control gate
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- 238000000034 method Methods 0.000 claims abstract description 34
- 238000002955 isolation Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000007667 floating Methods 0.000 description 21
- 239000004065 semiconductor Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- 230000005641 tunneling Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005468 ion implantation Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 241000270281 Coluber constrictor Species 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- OQZCSNDVOWYALR-UHFFFAOYSA-N flurochloridone Chemical compound FC(F)(F)C1=CC=CC(N2C(C(Cl)C(CCl)C2)=O)=C1 OQZCSNDVOWYALR-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6729—Thin-film transistors [TFT] characterised by the electrodes
- H10D30/6737—Thin-film transistors [TFT] characterised by the electrodes characterised by the electrode materials
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- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (7)
- 각각의 활성영역을 정의하는 소자분리막이 구비되고,상기 각각의 활성영역을 가로질러 구비되어 일측의 활성영역에 NMOS를 형성하고 타측의 활성영역에 NMOS 형태의 조절 게이트를 형성하는 공통게이트를 포함하는 것을 특징으로 하는 비휘발성 메모리 소자.
- 제 1 항에 있어서,상기 일측 활성영역의 NMOS 는 소오스 영역 및 드레인 영역 각각에 오믹 콘택이 구비되는 것을 특징으로 하는 비휘발성 메모리 소자.
- 제 1 항에 있어서,상기 타측 활성영역의 NMOS 형태 조절 게이트 하부의 소오스 및 드레인 사이에 형성되는 채널 폭은 상기 일측 NMOS의 소오스 및 드레인 사이에 형성되는 채널폭보다 2∼10 배 넓게 형성된 것을 특징으로 하는 비휘발성 메모리 소자.
- 제 1 항에 있어서,상기 타측 활성영역의 NMOS 형태 조절 게이트는 소오스 영역 및 드레인 영역 각각에 일정간격으로 이격된 오믹 콘택이 다수 구비되는 것을 특징으로 하는 비휘발성 메모리 소자.
- 제 4 항에 있어서,상기 소오스 영역에 형성된 다수의 오믹콘택이 상기 소오스 영역 상측에서 상호 전기적으로 접속되도록 연결되며, 상기 드레인 영역에 형성된 다수의 오믹 콘택이 상기 드레인 영역 상측에서 상호 전기적으로 접속되도록 연결되는 것을 특징으로 하는 비휘발성 메모리 소자.
- 제 5 항에 있어서,상기 소오스 영역의 오믹 콘택들과 드레인 영역의 오믹 콘택들이 서로 전기적으로 접속되도록 연결되는 것을 특징으로 하는 비휘발성 메모리 소자.
- 제 1 항에 있어서,상기 각각의 활성영역을 가로질러 형성되는 공통게이트는 단일 폴리 구조로 이루어지는 것을 특징으로 하는 비휘발성 메모리 소자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050058237A KR100695990B1 (ko) | 2005-06-30 | 2005-06-30 | 비휘발성 메모리 소자 |
Applications Claiming Priority (1)
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KR1020050058237A KR100695990B1 (ko) | 2005-06-30 | 2005-06-30 | 비휘발성 메모리 소자 |
Publications (2)
Publication Number | Publication Date |
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KR20070002626A KR20070002626A (ko) | 2007-01-05 |
KR100695990B1 true KR100695990B1 (ko) | 2007-03-15 |
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KR1020050058237A KR100695990B1 (ko) | 2005-06-30 | 2005-06-30 | 비휘발성 메모리 소자 |
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KR (1) | KR100695990B1 (ko) |
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2005
- 2005-06-30 KR KR1020050058237A patent/KR100695990B1/ko active IP Right Grant
Non-Patent Citations (1)
Title |
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국내 공개특허공보 제1992-15539호 |
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KR20070002626A (ko) | 2007-01-05 |
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