KR100349519B1 - 분리된부동게이트를가지는반도체소자 - Google Patents
분리된부동게이트를가지는반도체소자 Download PDFInfo
- Publication number
- KR100349519B1 KR100349519B1 KR1019980708016A KR19980708016A KR100349519B1 KR 100349519 B1 KR100349519 B1 KR 100349519B1 KR 1019980708016 A KR1019980708016 A KR 1019980708016A KR 19980708016 A KR19980708016 A KR 19980708016A KR 100349519 B1 KR100349519 B1 KR 100349519B1
- Authority
- KR
- South Korea
- Prior art keywords
- tunnel
- dielectric layer
- gate electrode
- gate
- channel
- 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 - Lifetime
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005036 potential barrier Methods 0.000 abstract description 11
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 230000007704 transition Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 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
-
- 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
- H10D30/683—Floating-gate IGFETs having only two programming levels programmed by tunnelling of carriers, e.g. Fowler-Nordheim tunnelling
-
- 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
- H10D30/6891—Floating-gate IGFETs characterised by the shapes, relative sizes or dispositions of the floating gate electrode
Landscapes
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (7)
- -제 2 도전형 반도체 기판내에 배치되는, 제 1 도전형 제 1 도핑 영역(매립형 채널)(14) 및 제 2 도핑 영역(12);-상기 제 1 및 제 2 도핑 영역(12, 14) 사이의 상기 반도체 기판내에 위치하는 채널 영역(15);-상기 제 1 도핑 영역(14)의 표면을 부분적으로 덮는 터널 유전체층(18);-상기 채널 영역(15)의 표면과 상기 제 1 도핑 영역(14)의 에지 영역(14')을 덮는 게이트 유전체층(17);-상기 터널 유전체층(18)상에 위치하는 터널 게이트 전극(19); 및-상기 게이트 유전체층(17)상에 위치하는 채널 게이트 전극(20)을 포함하며, 상기 터널 게이트 전극(19)과 상기 채널 게이트 전극(20)은 적어도 상기 터널 유전체층(18)과 상기 게이트 유전체층(17) 각각에 대해 마주하는 그들의 표면에서 절연 구조물(22)에 의해 분리되는 것을 특징으로 하는 반도체 소자.
- 제 1 항에 있어서, 상기 절연 구조물(22)은 상기 터널 게이트 전극(19)과 상기 채널 게이트 전극(20)을 완전하게 상호 분리시키는 것을 특징으로 하는 반도체 소자.
- 제 1 항에 있어서, 상기 터널 게이트 전극(19)과 상기 채널 게이트 전극(20)은 상기 터널 유전체층과 상기 게이트 유전체층 각각에 대해 반향하는 그들의 표면에서 도전적으로 상호 접속되는 것을 특징으로 하는 반도체 소자.
- 제 1 항 내지 제 3 항중 어느 한 항에 있어서, 상기 터널 유전체층(18)과 상기 게이트 유전체층(17)은 동일한 두께를 가지는 것을 특징으로 하는 반도체 소자.
- 제 1 항 내지 제 3 항중 어느 한 항에 있어서, 상기 채널 게이트 전극(20)은 제 1 도전체층(30)과 제 2 도전체층(31)으로 구성되고, 상기 터널 게이트 전극(19)은 제 2 도전체층(31)으로 구성되며, 상기 절연 구조물(22)은 스페이서로 구성되는 것을 특징으로 하는 반도체 소자.
- 제 1 항 내지 제 3 항중 어느 한 항에 있어서, 상기 터널 게이트 전극(19)은 제 1 도전체층(30)과 제 2 도전체층(31)으로 구성되고, 상기 채널 게이트 전극(20)은 제 2 도전체층(31)으로 구성되며, 상기 절연 구조물(22)은 스페이서로 구성되는 것을 특징으로 하는 반도체 소자.
- 제 1 항 내지 제 3 항중 어느 한 항에 있어서, 상기 절연 구조물은 상기 제 1 도핑 영역의 상기 에지 영역(14')을 덮는 것을 특징으로 하는 반도체 소자.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19614011A DE19614011C2 (de) | 1996-04-09 | 1996-04-09 | Halbleiterbauelement, bei dem die Tunnelgateelektrode und die Kanalgateelektrode an der Grenzfläche zum Tunneldielektrikum bzw. Gatedielektrikum durch eine Isolationsstruktur unterbrochen sind |
DE19614011.0 | 1996-04-09 | ||
PCT/DE1997/000722 WO1997038446A1 (de) | 1996-04-09 | 1997-04-09 | Halbleiterbauelement mit einem geteilten floating gate |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000005304A KR20000005304A (ko) | 2000-01-25 |
KR100349519B1 true KR100349519B1 (ko) | 2002-12-18 |
Family
ID=7790802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980708016A Expired - Lifetime KR100349519B1 (ko) | 1996-04-09 | 1997-04-09 | 분리된부동게이트를가지는반도체소자 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6177702B1 (ko) |
EP (1) | EP0892990A1 (ko) |
JP (1) | JP3732522B2 (ko) |
KR (1) | KR100349519B1 (ko) |
DE (1) | DE19614011C2 (ko) |
TW (1) | TW339476B (ko) |
WO (1) | WO1997038446A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7256449B2 (en) * | 2003-05-20 | 2007-08-14 | Samsung Electronics, Co., Ltd. | EEPROM device for increasing a coupling ratio and fabrication method thereof |
US20040232476A1 (en) * | 2003-05-20 | 2004-11-25 | Kang Sung-Taeg | EEPROM cell structures having non-uniform channel-dielectric thickness and methods of making the same |
KR100604850B1 (ko) * | 2003-05-20 | 2006-07-31 | 삼성전자주식회사 | 균일하지 않은 채널 유전막 두께를 갖는 이이피롬 셀 구조및 그 제조방법 |
KR101334844B1 (ko) * | 2011-12-29 | 2013-12-05 | 주식회사 동부하이텍 | 싱글 폴리형 이이피롬과 그 제조 방법 |
US8735271B2 (en) | 2012-08-24 | 2014-05-27 | International Business Machines Corporation | Gate tunable tunnel diode |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58121680A (ja) * | 1982-01-12 | 1983-07-20 | Mitsubishi Electric Corp | 半導体不揮発性記憶装置 |
EP0204498A3 (en) * | 1985-05-29 | 1988-09-21 | Advanced Micro Devices, Inc. | Improved eeprom cell and method of fabrication |
JPH05226662A (ja) * | 1992-02-18 | 1993-09-03 | Matsushita Electron Corp | 半導体記憶装置 |
JP3233998B2 (ja) * | 1992-08-28 | 2001-12-04 | 株式会社東芝 | 不揮発性半導体記憶装置の製造方法 |
US5859455A (en) * | 1992-12-31 | 1999-01-12 | Yu; Shih-Chiang | Non-volatile semiconductor memory cell with control gate and floating gate and select gate located above the channel |
US5596529A (en) * | 1993-11-30 | 1997-01-21 | Kabushiki Kaisha Toshiba | Nonvolatile semiconductor memory device |
US5404037A (en) * | 1994-03-17 | 1995-04-04 | National Semiconductor Corporation | EEPROM cell with the drain diffusion region self-aligned to the tunnel oxide region |
US5429960A (en) * | 1994-11-28 | 1995-07-04 | United Microelectronics Corporation | Method of making flash EEPROM memory |
KR0142604B1 (ko) * | 1995-03-22 | 1998-07-01 | 김주용 | 플래쉬 이이피롬 셀 및 그 제조방법 |
DE69630107D1 (de) * | 1996-04-15 | 2003-10-30 | St Microelectronics Srl | Mit einem EEPROM integrierter FLASH-EPROM |
US5840607A (en) * | 1996-10-11 | 1998-11-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming undoped/in-situ doped/undoped polysilicon sandwich for floating gate application |
US5889700A (en) * | 1997-05-05 | 1999-03-30 | National Semiconductor Corporation | High density EEPROM array using self-aligned control gate and floating gate for both access transistor and memory cell and method of operating same |
-
1996
- 1996-04-09 DE DE19614011A patent/DE19614011C2/de not_active Expired - Lifetime
-
1997
- 1997-04-07 TW TW086104354A patent/TW339476B/zh not_active IP Right Cessation
- 1997-04-09 KR KR1019980708016A patent/KR100349519B1/ko not_active Expired - Lifetime
- 1997-04-09 WO PCT/DE1997/000722 patent/WO1997038446A1/de not_active Application Discontinuation
- 1997-04-09 EP EP97923733A patent/EP0892990A1/de not_active Withdrawn
- 1997-04-09 JP JP53575297A patent/JP3732522B2/ja not_active Expired - Fee Related
-
1998
- 1998-10-09 US US09/169,774 patent/US6177702B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1997038446A1 (de) | 1997-10-16 |
JP2001508938A (ja) | 2001-07-03 |
DE19614011A1 (de) | 1997-10-16 |
US6177702B1 (en) | 2001-01-23 |
DE19614011C2 (de) | 2002-06-13 |
EP0892990A1 (de) | 1999-01-27 |
KR20000005304A (ko) | 2000-01-25 |
JP3732522B2 (ja) | 2006-01-05 |
TW339476B (en) | 1998-09-01 |
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