KR930020733A - 반도체 장치 제조방법 - Google Patents
반도체 장치 제조방법 Download PDFInfo
- Publication number
- KR930020733A KR930020733A KR1019930003510A KR930003510A KR930020733A KR 930020733 A KR930020733 A KR 930020733A KR 1019930003510 A KR1019930003510 A KR 1019930003510A KR 930003510 A KR930003510 A KR 930003510A KR 930020733 A KR930020733 A KR 930020733A
- Authority
- KR
- South Korea
- Prior art keywords
- silicon layer
- oxide
- tunnel
- tunnel oxide
- floating gate
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000004065 semiconductor Substances 0.000 title claims description 9
- 238000000034 method Methods 0.000 claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract 15
- 239000010703 silicon Substances 0.000 claims abstract 15
- 150000002500 ions Chemical class 0.000 claims abstract 6
- 238000005468 ion implantation Methods 0.000 claims 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000005641 tunneling Effects 0.000 abstract 3
- 229920002120 photoresistant polymer Polymers 0.000 abstract 2
Classifications
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28176—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation with a treatment, e.g. annealing, after the formation of the definitive gate conductor
-
- 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
-
- 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
- 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
- H10D30/682—Floating-gate IGFETs having only two programming levels programmed by injection of carriers through a conductive insulator, e.g. Poole-Frankel conduction
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/031—Manufacture or treatment of data-storage electrodes
- H10D64/035—Manufacture or treatment of data-storage electrodes comprising conductor-insulator-conductor-insulator-semiconductor structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
Landscapes
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Non-Volatile Memory (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
Description
Claims (10)
- 반도체 몸체 표면에 부유 게이트 전극을 갖는 MOS 트랜지스터 형태의 비휘발성 기억소자를 제공하고, 상기 트랜지스터는 실리콘함량이 많은 터널 산화물에 의해 상기 반도체 몸체의 기저 표면 영역으로부터 격리되게 한 반도체 장치 제조 방법에 있어서, 상기 터널 산화물 위에 실리콘층을 칩적한 다음에, 비교적 무거운 이온을 상기 실리콘층으로 이온주입시키되 주어진 실리콘층 두께에서 상기 이온 주입에 의해 실리콘 원자가 상기 실리콘층으로부터 상기 터널 산화물로 들어갈 수 있을 정도의 에너지로 이온 주입시킴으로써 상기 터널 산화물의 실리콘 함량이 많아지게 하는 것을 특징으로 하는 반도체 장치 제조방법.
- 제1항에 있어서, 상기 터널 산화물과 같은 두께, 또는 최소한 거의 같은 두께의 게이트 산화물을 상기 부유게이트 전극과 상기 MOS 트랜지스터의 채널 영역 사이에 제공하는 것을 특징으로 하는 반도체 장치 제조방법.
- 제1 또는 제2항에 있어서, 상기 부유 게이트 전극을 최소한 상기 실리콘층으로부터 부분적으로 형성하는것을 특징으로 하는반도체 장치 제조방법.
- 선행항들 중의 어느 한 항에 있어서, 상기 실리콘층을 25~200nm의 두께로 제조하는 것을 특징으로 하는 반도체 장치 제조방법.
- 제4항에 있어서, 상기 실리콘층을 최소한 대략100nm의 두께로 제공하는 것을 특징으로 하는 반도체 장치 제조방법.
- 선행항들 중의 어느 한 항에 있어서, 상기 이온 주입 공정후 상기 실리콘 층위에 다결정 실리콘 층을 침적하고, 상기 실리콘층과 다결정 실리콘층의 조합 층으로 부터 상기 부유 게이트 전극을 규정하는 것을 특징으로 하는 반도체 장치 제조방법.
- 선행항들 중의 어느 한 항에 있어서, 상기 실리콘층으로 주입하는 비교적 무거운 이온으로서 As 이온을 사용하는 것을 특징으로 하는 반도체 장치 제조방법.
- 선행항들 중의 어느한 항에 있어서, 50~150KeV 범위의 에너지로 상기 이온들을 상기 실리콘층으로 주입하는 것을 특징으로 하는 반도체 장치 제조방법.
- 제8항에 있어서, 최소한 대략 80KeV의 에너지로 상기 이온들을 상기 실리콘층으로 주입하는 것을 특징으로 하는 반도체 장치 제조방법.
- 선행항들 중의 어느 한 항에 있어서, 상기 이온 주입과는 별개의 도핑 공정에서, 상기 산화물 아래에 있는 상기 반도체 몸체내에 도핑된 표면영역이 제공되며, 상기 표면 영역은 기록 및 삭제중 상기 부유 게이트 전극으로 터널링되는 전하 패리어의 주입영역(injector region)을 형성하는것을 특징으로 하는 반도체 장치 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92200707.5 | 1992-03-12 | ||
EP92200707 | 1992-03-12 | ||
NL92200707.5 | 1992-03-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930020733A true KR930020733A (ko) | 1993-10-20 |
KR100262830B1 KR100262830B1 (ko) | 2000-08-01 |
Family
ID=8210476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930003510A KR100262830B1 (ko) | 1992-03-12 | 1993-03-09 | 반도체장치제조방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US5371027A (ko) |
EP (1) | EP0560435B1 (ko) |
JP (1) | JPH0629544A (ko) |
KR (1) | KR100262830B1 (ko) |
AT (1) | ATE167756T1 (ko) |
CA (1) | CA2091332C (ko) |
DE (1) | DE69319267T2 (ko) |
TW (1) | TW220007B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100383083B1 (ko) * | 2000-09-05 | 2003-05-12 | 아남반도체 주식회사 | 저전압 구동 플래쉬 메모리 및 그 제조 방법 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1007475A3 (nl) * | 1993-09-06 | 1995-07-11 | Philips Electronics Nv | Halfgeleiderinrichting met een niet-vluchtig geheugen en werkwijze ter vervaardiging van een dergelijke halfgeleiderinrichting. |
KR0149527B1 (ko) * | 1994-06-15 | 1998-10-01 | 김주용 | 반도체 소자의 고전압용 트랜지스터 및 그 제조방법 |
US5554551A (en) * | 1994-11-23 | 1996-09-10 | United Microelectronics Corporation | Method of manufacture of an EEPROM cell with self-aligned thin dielectric area |
US5460991A (en) * | 1995-03-16 | 1995-10-24 | United Microelectronics Corporation | Method of making high coupling ratio flash EEPROM device |
US5726070A (en) * | 1995-09-06 | 1998-03-10 | United Microelectronics Corporation | Silicon-rich tunnel oxide formed by oxygen implantation for flash EEPROM |
JP3383140B2 (ja) * | 1995-10-02 | 2003-03-04 | 株式会社東芝 | 不揮発性半導体記憶装置の製造方法 |
EP0833393B1 (en) | 1996-09-30 | 2011-12-14 | STMicroelectronics Srl | Floating gate non-volatile memory cell with low erasing voltage and manufacturing method |
US6072720A (en) * | 1998-12-04 | 2000-06-06 | Gatefield Corporation | Nonvolatile reprogrammable interconnect cell with programmable buried bitline |
US6232630B1 (en) | 1999-07-07 | 2001-05-15 | Advanced Micro Devices, Inc. | Light floating gate doping to improve tunnel oxide reliability |
JP2003023113A (ja) * | 2001-07-05 | 2003-01-24 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
US20050156228A1 (en) * | 2004-01-16 | 2005-07-21 | Jeng Erik S. | Manufacture method and structure of a nonvolatile memory |
KR100564629B1 (ko) * | 2004-07-06 | 2006-03-28 | 삼성전자주식회사 | 이이피롬 소자 및 그 제조 방법 |
KR102446409B1 (ko) * | 2015-09-18 | 2022-09-22 | 삼성전자주식회사 | 시냅스 메모리 소자의 제조방법 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS497870B1 (ko) * | 1969-06-06 | 1974-02-22 | ||
GB1596184A (en) * | 1976-11-27 | 1981-08-19 | Fujitsu Ltd | Method of manufacturing semiconductor devices |
JPS583290A (ja) * | 1981-06-29 | 1983-01-10 | インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン | メモリ・アレイ |
US5210042A (en) * | 1983-09-26 | 1993-05-11 | Fujitsu Limited | Method of producing semiconductor device |
US4717943A (en) * | 1984-06-25 | 1988-01-05 | International Business Machines | Charge storage structure for nonvolatile memories |
JPH0750693B2 (ja) * | 1985-12-02 | 1995-05-31 | 日本テキサス・インスツルメンツ株式会社 | 酸化シリコン膜の製造方法 |
CA1276314C (en) * | 1988-03-24 | 1990-11-13 | Alexander Kalnitsky | Silicon ion implanted semiconductor device |
US5236851A (en) * | 1988-07-14 | 1993-08-17 | Matsushita Electric Industrial Co., Ltd. | Method for fabricating semiconductor devices |
US5250455A (en) * | 1990-04-10 | 1993-10-05 | Matsushita Electric Industrial Co., Ltd. | Method of making a nonvolatile semiconductor memory device by implanting into the gate insulating film |
US5147813A (en) * | 1990-08-15 | 1992-09-15 | Intel Corporation | Erase performance improvement via dual floating gate processing |
-
1992
- 1992-11-11 TW TW081109019A patent/TW220007B/zh active
-
1993
- 1993-03-04 EP EP93200612A patent/EP0560435B1/en not_active Expired - Lifetime
- 1993-03-04 DE DE69319267T patent/DE69319267T2/de not_active Expired - Fee Related
- 1993-03-04 AT AT93200612T patent/ATE167756T1/de not_active IP Right Cessation
- 1993-03-09 CA CA002091332A patent/CA2091332C/en not_active Expired - Fee Related
- 1993-03-09 KR KR1019930003510A patent/KR100262830B1/ko not_active IP Right Cessation
- 1993-03-10 JP JP5049316A patent/JPH0629544A/ja active Pending
- 1993-03-10 US US08/029,255 patent/US5371027A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100383083B1 (ko) * | 2000-09-05 | 2003-05-12 | 아남반도체 주식회사 | 저전압 구동 플래쉬 메모리 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
DE69319267D1 (de) | 1998-07-30 |
KR100262830B1 (ko) | 2000-08-01 |
US5371027A (en) | 1994-12-06 |
EP0560435B1 (en) | 1998-06-24 |
EP0560435A3 (en) | 1994-08-24 |
CA2091332C (en) | 2002-01-29 |
EP0560435A2 (en) | 1993-09-15 |
DE69319267T2 (de) | 1999-03-04 |
ATE167756T1 (de) | 1998-07-15 |
CA2091332A1 (en) | 1993-09-13 |
TW220007B (ko) | 1994-02-01 |
JPH0629544A (ja) | 1994-02-04 |
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