KR100446632B1 - 비휘발성 sonsnos 메모리 - Google Patents
비휘발성 sonsnos 메모리 Download PDFInfo
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- G11C16/0475—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells with charge storage in an insulating layer, e.g. metal-nitride-oxide-silicon [MNOS], silicon-oxide-nitride-oxide-silicon [SONOS] comprising two or more independent storage sites which store independent data
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Abstract
Description
Claims (18)
- 소정 간격 이격된 소스 및 드레인 전극과 상기 소스 및 드레인 전극 사이에 전자가 이동하는 채널을 포함하는 반도체 기판, 상기 반도체 기판의 상부에 상기 채널로부터 전자의 유입을 제어하는 게이트 전극을 구비하는 메모리에 있어서,상기 기판의 채널 상에 적층되는 제1 및 제2절연막;상기 제1절연막의 상면과 제2절연막의 저면에 형성되는 제1 및 제2유전막; 및상기 제1 및 제2유전막 사이에 개재되는 Ⅳ족 반도체막;을 포함하는 것을 특징으로 하는 SONSNOS 메모리.
- 소정 간격 이격된 소스 및 드레인 전극과 상기 소스 및 드레인 전극 사이에 전자가 이동하는 채널을 포함하는 반도체 기판, 상기 반도체 기판의 상부에 상기 채널로부터 전자의 유입을 제어하는 게이트 전극을 구비하는 메모리에 있어서,상기 기판의 채널 상에 적층되는 제1 및 제2절연막;상기 제1절연막의 상면과 제2절연막의 저면에 형성되는 제1 및 제2유전막;및상기 제1 및 제2유전막 사이에 개재되는 Ⅳ족 반도체 물질로 형성된 나노 양자점;을 포함하는 것을 특징으로 하는 SONSNOS 메모리.
- 소정 간격 이격된 소스 및 드레인 전극과 상기 소스 및 드레인 전극 사이에 전자가 이동하는 채널을 포함하는 반도체 기판, 상기 반도체 기판의 상부에 상기 채널로부터 전자의 유입을 제어하는 게이트 전극을 구비하는 메모리에 있어서,상기 기판의 채널 상에 적층되는 제1 및 제2절연막;상기 제1절연막의 상면과 제2절연막의 저면에 형성되는 제1 및 제2유전막; 및상기 제1 및 제2유전막 사이에 개재되는 금속으로 형성된 나노 양자점;을 포함하는 것을 특징으로 하는 SONSNOS 메모리.
- 제 1 항, 제 2 항 또는 제 3 항에 있어서,상기 제1 및 제2절연막은 SiO2, Al2O3, TaO2및 TiO2중 어느 하나의 물질로 형성되는 것을 특징으로 하는 SONSNOS 메모리.
- 제 1 항, 제 2 항 또는 제 3 항에 있어서,상기 제1 및 제2유전막은 Si3N4또는 PZT 로 형성되는 것을 특징으로 하는SONSNOS 메모리.
- 제 1 항에 있어서,상기 Ⅳ족 반도체막은 Si 또는 Ge로 형성되는 것을 특징으로 하는 SONSNOS 메모리.
- 제 2 항에 있어서,상기 Ⅳ족 반도체 물질은 Si 또는 Ge인 것을 특징으로 하는 SONSNOS 메모리.
- 제 3 항에 있어서,상기 금속은 Au 또는 Al인 것을 특징으로 하는 SONSNOS 메모리.
- 제 2 항 또는 제 3 항에 있어서,상기 나노 양자점은 LPCVD 또는 스퍼터링 방법을 이용하여 형성하는 것을 특징으로 하는 SONSNOS 메모리.
- 소정 간격 이격된 소스 및 드레인 전극과 상기 소스 및 드레인 전극 사이에 전자가 이동하는 채널을 포함하는 반도체 기판, 상기 반도체 기판의 상부에 상기 채널로부터 전자의 유입을 제어하는 게이트 전극을 구비하는 메모리에 있어서,상기 기판의 채널 상에 적층되는 제1 및 제2절연막;상기 제1절연막의 상부와 제2절연막의 하부에 형성되는 복수의 유전막;상기 복수의 유전막 사이마다 개재되는 복수의 Ⅳ족 반도체막;을 포함하는 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 소정 간격 이격된 소스 및 드레인 전극과 상기 소스 및 드레인 전극 사이에 전자가 이동하는 채널을 포함하는 반도체 기판, 상기 반도체 기판의 상부에 상기 채널로부터 전자의 유입을 제어하는 게이트 전극을 구비하는 메모리에 있어서,상기 기판의 채널 상에 적층되는 제1 및 제2절연막;상기 제1절연막의 상부와 제2절연막의 하부에 형성되는 복수의 유전막; 및상기 복수의 유전막 사이마다 개재되는 Ⅳ반도체 물질로 형성된 나노 양자점;을 포함하는 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 소정 간격 이격된 소스 및 드레인 전극과 상기 소스 및 드레인 전극 사이에 전자가 이동하는 채널을 포함하는 반도체 기판, 상기 반도체 기판의 상부에 상기 채널로부터 전자의 유입을 제어하는 게이트 전극을 구비하는 메모리에 있어서,상기 기판의 채널 상에 적층되는 제1 및 제2절연막;상기 제1절연막의 상부와 제2절연막의 하부에 형성되는 복수의 유전막; 및상기 복수의 유전막 사이마다 개재되는 금속으로 형성된 나노 양자점;을 포함하는 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 제 10 항, 제 11 항 또는 제 12 항에 있어서,상기 제1 및 제2절연막은 SiO2, Al2O3, TaO2및 TiO2중 어느 하나의 물질로 형성되는 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 제 10 항, 제 11 항 또는 제 12 항에 있어서,상기 제1 및 제2유전막은 Si3N4또는 PZT 로 형성되는 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 제 10 항에 있어서,상기 Ⅳ족 반도체막은 Si 또는 Ge로 형성되는 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 제 11 항에 있어서,상기 Ⅳ족 반도체 물질은 Si 또는 Ge인 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 제 11 항에 있어서,상기 금속은 Au 또는 Al인 것을 특징으로 하는 멀티 SONSNOS 메모리.
- 제 11 항 또는 제 12 항에 있어서,상기 나노 양자점은 LPCVD 또는 스퍼터링 방법을 이용하여 형성하는 것을 특징으로 하는 멀티 SONSNOS 메모리.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0062482A KR100446632B1 (ko) | 2002-10-14 | 2002-10-14 | 비휘발성 sonsnos 메모리 |
DE60309806T DE60309806T2 (de) | 2002-10-14 | 2003-04-14 | Nichtflüchtige Silizium/Oxid/Nitrid/Silizium/Nitrid/Oxid/Silizium Speicheranordnung |
CNB031084907A CN1326244C (zh) | 2002-10-14 | 2003-04-14 | 永久性硅/氧化物/氮化物/硅/氮化物/氧化物/硅存储器 |
EP03252364A EP1411555B1 (en) | 2002-10-14 | 2003-04-14 | Nonvolatile silicon/oxide/nitride/silicon/nitride/oxide/silicon memory |
JP2003345839A JP5038580B2 (ja) | 2002-10-14 | 2003-10-03 | 非揮発性sonsnosメモリ |
US10/682,984 US6936884B2 (en) | 2002-10-14 | 2003-10-14 | Nonvolatile silicon/oxide/nitride/silicon/nitride/oxide/silicon memory |
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KR10-2002-0062482A KR100446632B1 (ko) | 2002-10-14 | 2002-10-14 | 비휘발성 sonsnos 메모리 |
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KR20040033406A KR20040033406A (ko) | 2004-04-28 |
KR100446632B1 true KR100446632B1 (ko) | 2004-09-04 |
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US (1) | US6936884B2 (ko) |
EP (1) | EP1411555B1 (ko) |
JP (1) | JP5038580B2 (ko) |
KR (1) | KR100446632B1 (ko) |
CN (1) | CN1326244C (ko) |
DE (1) | DE60309806T2 (ko) |
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US7613041B2 (en) * | 2003-06-06 | 2009-11-03 | Chih-Hsin Wang | Methods for operating semiconductor device and semiconductor memory device |
US7297634B2 (en) * | 2003-06-06 | 2007-11-20 | Marvell World Trade Ltd. | Method and apparatus for semiconductor device and semiconductor memory device |
US7759719B2 (en) * | 2004-07-01 | 2010-07-20 | Chih-Hsin Wang | Electrically alterable memory cell |
US7550800B2 (en) * | 2003-06-06 | 2009-06-23 | Chih-Hsin Wang | Method and apparatus transporting charges in semiconductor device and semiconductor memory device |
EP1487013A3 (en) * | 2003-06-10 | 2006-07-19 | Samsung Electronics Co., Ltd. | SONOS memory device and method of manufacturing the same |
EP1723676A4 (en) * | 2004-03-10 | 2009-04-15 | Nanosys Inc | MEMORY BLOCKS WITH NANO-ABILITY AND ANISOTROPE CHARGE CARRIER ARRAYS |
US20080203464A1 (en) * | 2004-07-01 | 2008-08-28 | Chih-Hsin Wang | Electrically alterable non-volatile memory and array |
KR100665186B1 (ko) | 2004-08-14 | 2007-01-09 | 삼성전자주식회사 | 비휘발성 메모리 소자 및 그 제조 방법 |
US7355238B2 (en) * | 2004-12-06 | 2008-04-08 | Asahi Glass Company, Limited | Nonvolatile semiconductor memory device having nanoparticles for charge retention |
US7709334B2 (en) | 2005-12-09 | 2010-05-04 | Macronix International Co., Ltd. | Stacked non-volatile memory device and methods for fabricating the same |
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DE60309806T2 (de) | 2007-09-13 |
JP2004134796A (ja) | 2004-04-30 |
US20040079983A1 (en) | 2004-04-29 |
JP5038580B2 (ja) | 2012-10-03 |
EP1411555A3 (en) | 2005-02-02 |
KR20040033406A (ko) | 2004-04-28 |
EP1411555B1 (en) | 2006-11-22 |
CN1490876A (zh) | 2004-04-21 |
CN1326244C (zh) | 2007-07-11 |
EP1411555A2 (en) | 2004-04-21 |
US6936884B2 (en) | 2005-08-30 |
DE60309806D1 (de) | 2007-01-04 |
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