KR0147449B1 - 불휘발성 반도체기억장치 - Google Patents
불휘발성 반도체기억장치Info
- Publication number
- KR0147449B1 KR0147449B1 KR1019940034322A KR19940034322A KR0147449B1 KR 0147449 B1 KR0147449 B1 KR 0147449B1 KR 1019940034322 A KR1019940034322 A KR 1019940034322A KR 19940034322 A KR19940034322 A KR 19940034322A KR 0147449 B1 KR0147449 B1 KR 0147449B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- layer
- insulating film
- semiconductor memory
- memory device
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 20
- 229910052710 silicon Inorganic materials 0.000 abstract description 20
- 239000010703 silicon Substances 0.000 abstract description 20
- 238000009792 diffusion process Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 15
- 230000005684 electric field Effects 0.000 description 9
- 238000002955 isolation Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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]
- H10D30/68—Floating-gate IGFETs
- H10D30/681—Floating-gate IGFETs having only two programming levels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/0411—Manufacture or treatment of FETs having insulated gates [IGFET] of FETs having floating gates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/50—Physical imperfections
- H10D62/53—Physical imperfections the imperfections being within the semiconductor body
Landscapes
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (1)
- 반도체기판과, 이 반도체기판의 표면상에 설치된 게이트절연막, 이 게이트절연막의 위에 설치된 제1게이트, 이 제1게이트의 위에 절연막을 매개로 설치된 제2게이트, 이 제2게이트를 마스크로 이용해서 상기 반도체기판의 표면에 자기정합적으로 형성된 소스·드레인영역 및, 상기 제1게이트의 아래에 위치하는상기 반도체기판의 내부의 영역이고, 데이터의 독출시의 공핍층내에는 포함되지 않으며, 기록시의 공핍층내에 포함되는 영역에 밀도의 최대치가 위치하도록 형성된 손상층을 구비하여 구성된 것을 특징으로 하는 불휘발성 반도체 기억장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31570193A JP3541958B2 (ja) | 1993-12-16 | 1993-12-16 | 不揮発性半導体記憶装置 |
JP93-315701 | 1993-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950021016A KR950021016A (ko) | 1995-07-26 |
KR0147449B1 true KR0147449B1 (ko) | 1998-08-01 |
Family
ID=18068513
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940034322A KR0147449B1 (ko) | 1993-12-16 | 1994-12-15 | 불휘발성 반도체기억장치 |
Country Status (3)
Country | Link |
---|---|
US (2) | US5514896A (ko) |
JP (1) | JP3541958B2 (ko) |
KR (1) | KR0147449B1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07142565A (ja) * | 1993-11-16 | 1995-06-02 | Mitsubishi Electric Corp | 半導体装置及びその製造方法 |
KR100215891B1 (ko) * | 1996-12-26 | 1999-08-16 | 구본준 | 마스크 롬 코딩방법 |
KR100416816B1 (ko) * | 1996-12-30 | 2004-04-06 | 주식회사 하이닉스반도체 | 반도체소자의플로팅게이트형성방법 |
JPH10256400A (ja) * | 1997-03-10 | 1998-09-25 | Mitsubishi Electric Corp | 不揮発性半導体記憶装置 |
JP3424898B2 (ja) * | 1997-09-17 | 2003-07-07 | 松下電器産業株式会社 | 不揮発性半導体記憶装置の書き換え方法 |
KR100290884B1 (ko) * | 1998-05-04 | 2001-07-12 | 김영환 | 반도체소자및그제조방법 |
US6103582A (en) * | 1998-08-13 | 2000-08-15 | Industrial Technology Research Institute | Method to suppress boron penetration in P+ mosfets |
US6048766A (en) * | 1998-10-14 | 2000-04-11 | Advanced Micro Devices | Flash memory device having high permittivity stacked dielectric and fabrication thereof |
US6005285A (en) * | 1998-12-04 | 1999-12-21 | Advanced Micro Devices, Inc. | Argon doped epitaxial layers for inhibiting punchthrough within a semiconductor device |
US6455903B1 (en) * | 2000-01-26 | 2002-09-24 | Advanced Micro Devices, Inc. | Dual threshold voltage MOSFET by local confinement of channel depletion layer using inert ion implantation |
FR2807208B1 (fr) | 2000-03-29 | 2003-09-05 | St Microelectronics Sa | Dispositif semi-conducteur de memoire non volatile et procede de fabrication correspondant |
JP4065671B2 (ja) * | 2001-08-31 | 2008-03-26 | シャープ株式会社 | 不揮発性半導体記憶装置、その製造方法及びその動作方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1345818A (en) * | 1971-07-27 | 1974-02-06 | Mullard Ltd | Semiconductor devices |
DE3576245D1 (de) * | 1984-05-17 | 1990-04-05 | Toshiba Kawasaki Kk | Verfahren zur herstellung eines nichtfluechtigen halbleiter-eeprom-elementes. |
EP0366423B1 (en) * | 1988-10-25 | 1994-05-25 | Matsushita Electronics Corporation | Manufacturing method of semiconductor non-volatile memory device |
JPH0338044A (ja) * | 1989-07-05 | 1991-02-19 | Toshiba Corp | 半導体装置の製造方法 |
DE59107276D1 (de) * | 1990-09-25 | 1996-02-29 | Siemens Ag | Abschaltbarer Thyristor |
US5379253A (en) * | 1992-06-01 | 1995-01-03 | National Semiconductor Corporation | High density EEPROM cell array with novel programming scheme and method of manufacture |
-
1993
- 1993-12-16 JP JP31570193A patent/JP3541958B2/ja not_active Expired - Fee Related
-
1994
- 1994-12-15 US US08/356,557 patent/US5514896A/en not_active Expired - Lifetime
- 1994-12-15 KR KR1019940034322A patent/KR0147449B1/ko not_active IP Right Cessation
-
1995
- 1995-05-25 US US08/451,442 patent/US5518943A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5518943A (en) | 1996-05-21 |
JP3541958B2 (ja) | 2004-07-14 |
KR950021016A (ko) | 1995-07-26 |
JPH07169863A (ja) | 1995-07-04 |
US5514896A (en) | 1996-05-07 |
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