KR100726908B1 - 반도체 기억 장치 - Google Patents
반도체 기억 장치 Download PDFInfo
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- KR100726908B1 KR100726908B1 KR1020070014886A KR20070014886A KR100726908B1 KR 100726908 B1 KR100726908 B1 KR 100726908B1 KR 1020070014886 A KR1020070014886 A KR 1020070014886A KR 20070014886 A KR20070014886 A KR 20070014886A KR 100726908 B1 KR100726908 B1 KR 100726908B1
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- South Korea
- Prior art keywords
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- bit line
- insulating film
- diffusion
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 102
- 238000009792 diffusion process Methods 0.000 claims abstract description 102
- 230000015654 memory Effects 0.000 claims abstract description 79
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 239000011229 interlayer Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 description 59
- 239000010410 layer Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 26
- 238000005530 etching Methods 0.000 description 22
- 229910052581 Si3N4 Inorganic materials 0.000 description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 17
- 229910052710 silicon Inorganic materials 0.000 description 17
- 239000010703 silicon Substances 0.000 description 17
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 17
- 238000005468 ion implantation Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 229910052814 silicon oxide Inorganic materials 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 10
- 229920005591 polysilicon Polymers 0.000 description 10
- 229910021332 silicide Inorganic materials 0.000 description 8
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 8
- 230000004888 barrier function Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 Metal Oxide Nitride Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/30—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B63/00—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices
- H10B63/30—Resistance change memory devices, e.g. resistive RAM [ReRAM] devices comprising selection components having three or more electrodes, e.g. transistors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
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- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (4)
- 반도체 기판 위에 형성된 복수의 라인 형상의 워드선과,상기 워드선에 직교하는 복수의 라인 형상의 비트선과,상기 반도체 기판의 상기 비트선 사이에 형성되고, 상기 워드선을 게이트 전극으로 하는 메모리 트랜지스터와,상기 메모리 트랜지스터 위에 형성된 층간 절연막을 포함하고,상기 비트선 각각은,상기 반도체 기판 내에 형성된 확산 비트선과,상기 층간 절연막에 라인 형상으로 매립하여 형성되고, 상기 워드선 사이에서 상기 확산 비트선에 접속한 금속 비트선으로 이루어지고,상기 확산 비트선은 상기 금속 비트선 하방에 라인 형상으로 형성되어 있는 것을 특징으로 하는 반도체 기억 장치.
- 반도체 기판 위에 형성된 복수의 라인 형상의 워드선과,상기 워드선에 직교하는 복수의 라인 형상의 비트선과,상기 반도체 기판의 상기 비트선 사이에 형성되고, 상기 워드선을 게이트 전극으로 하는 메모리 트랜지스터와,상기 메모리 트랜지스터 위에 형성된 층간 절연막을 포함하고,상기 비트선 각각은,상기 반도체 기판 내에 형성된 확산 비트선과,상기 층간 절연막에 라인 형상으로 매립하여 형성되고, 상기 워드선 사이에서 상기 확산 비트선에 접속한 금속 비트선으로 이루어지고,상기 확산 비트선은 상기 금속 비트선 하방에, 상기 워드선 아래에서 도중에 끊긴 파선 형상으로 형성되어 있는 것을 특징으로 하는 반도체 기억 장치.
- 제1항 또는 제2항에 있어서,상기 확산 비트선 상부에 라인 형상으로 형성된 확산 비트선 위의 절연막을 더 포함하고,상기 금속 비트선은 상기 워드선 사이에서 상기 확산 비트선 위의 절연막을 관통하여 상기 확산 비트선에 접속하고 있는 것을 특징으로 하는 반도체 기억 장치.
- 제3항에 있어서,상기 확산 비트선의 폭은 상기 확산 비트선 위의 절연막의 폭보다도 좁은 것을 특징으로 하는 반도체 기억 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003287831A JP4818578B2 (ja) | 2003-08-06 | 2003-08-06 | 不揮発性半導体記憶装置およびその製造方法 |
JPJP-P-2003-00287831 | 2003-08-06 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040045063A Division KR100719983B1 (ko) | 2003-08-06 | 2004-06-17 | 반도체 기억 장치 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070039510A KR20070039510A (ko) | 2007-04-12 |
KR100726908B1 true KR100726908B1 (ko) | 2007-06-11 |
Family
ID=33535743
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040045063A KR100719983B1 (ko) | 2003-08-06 | 2004-06-17 | 반도체 기억 장치 및 그 제조 방법 |
KR1020070014886A KR100726908B1 (ko) | 2003-08-06 | 2007-02-13 | 반도체 기억 장치 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040045063A KR100719983B1 (ko) | 2003-08-06 | 2004-06-17 | 반도체 기억 장치 및 그 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (4) | US7224018B2 (ko) |
JP (1) | JP4818578B2 (ko) |
KR (2) | KR100719983B1 (ko) |
CN (1) | CN100343994C (ko) |
TW (1) | TWI239636B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5047786B2 (ja) * | 2005-04-27 | 2012-10-10 | スパンション エルエルシー | 半導体装置の製造方法 |
JP5053084B2 (ja) * | 2005-05-30 | 2012-10-17 | スパンション エルエルシー | 半導体装置およびその製造方法 |
US7759726B2 (en) * | 2005-07-12 | 2010-07-20 | Macronix International Co., Ltd. | Non-volatile memory device, non-volatile memory cell thereof and method of fabricating the same |
KR100750950B1 (ko) * | 2006-07-18 | 2007-08-22 | 삼성전자주식회사 | 반도체 장치의 배선 구조물 및 그 형성 방법, 비휘발성메모리 장치 및 그 제조 방법 |
JP2011129566A (ja) * | 2009-12-15 | 2011-06-30 | Elpida Memory Inc | 半導体装置の製造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5717635A (en) | 1996-08-27 | 1998-02-10 | International Business Machines Corporation | High density EEPROM for solid state file |
KR19980053139A (ko) * | 1996-12-26 | 1998-09-25 | 문정환 | 플래쉬 메모리 제조방법 |
JP2000031302A (ja) * | 1998-07-08 | 2000-01-28 | Matsushita Electron Corp | 半導体記憶装置及びその製造方法 |
US6218695B1 (en) | 1999-06-28 | 2001-04-17 | Tower Semiconductor Ltd. | Area efficient column select circuitry for 2-bit non-volatile memory cells |
US6221718B1 (en) | 1998-08-12 | 2001-04-24 | United Microelectronics Corp. | Method of fabricating a flash memory |
KR20040025243A (ko) * | 2002-09-19 | 2004-03-24 | 아남반도체 주식회사 | 플래시 메모리 셀의 구조 및 그 제조 방법 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5168334A (en) * | 1987-07-31 | 1992-12-01 | Texas Instruments, Incorporated | Non-volatile semiconductor memory |
JPH0279463A (ja) * | 1988-09-14 | 1990-03-20 | Mitsubishi Electric Corp | 半導体記憶装置 |
US5158334A (en) * | 1989-07-17 | 1992-10-27 | Felland Raymond G | Adjustable vehicular glare shielding device |
US5362662A (en) * | 1989-08-11 | 1994-11-08 | Ricoh Company, Ltd. | Method for producing semiconductor memory device having a planar cell structure |
JP3554666B2 (ja) * | 1997-10-07 | 2004-08-18 | 株式会社日立製作所 | 半導体メモリ装置 |
US6174758B1 (en) * | 1999-03-03 | 2001-01-16 | Tower Semiconductor Ltd. | Semiconductor chip having fieldless array with salicide gates and methods for making same |
JP4002712B2 (ja) * | 2000-05-15 | 2007-11-07 | スパンション エルエルシー | 不揮発性半導体記憶装置および不揮発性半導体記憶装置のデータ保持方法 |
US6512263B1 (en) * | 2000-09-22 | 2003-01-28 | Sandisk Corporation | Non-volatile memory cell array having discontinuous source and drain diffusions contacted by continuous bit line conductors and methods of forming |
DE10110150A1 (de) * | 2001-03-02 | 2002-09-19 | Infineon Technologies Ag | Verfahren zum Herstellen von metallischen Bitleitungen für Speicherzellenarrays, Verfahren zum Herstellen von Speicherzellenarrays und Speicherzellenarray |
JP2003188252A (ja) * | 2001-12-13 | 2003-07-04 | Toshiba Corp | 半導体装置及びその製造方法 |
KR100426488B1 (ko) * | 2001-12-29 | 2004-04-14 | 주식회사 하이닉스반도체 | 플래시 메모리 셀과 그 제조 방법 및 프로그램/소거/독출방법 |
KR20040045063A (ko) * | 2002-11-22 | 2004-06-01 | 현대자동차주식회사 | 파일럿 분사 노즐이 구비된 직접 분사식 디젤 엔진 |
US6987048B1 (en) * | 2003-08-06 | 2006-01-17 | Advanced Micro Devices, Inc. | Memory device having silicided bitlines and method of forming the same |
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2003
- 2003-08-06 JP JP2003287831A patent/JP4818578B2/ja not_active Expired - Fee Related
-
2004
- 2004-06-09 TW TW093116495A patent/TWI239636B/zh not_active IP Right Cessation
- 2004-06-17 KR KR1020040045063A patent/KR100719983B1/ko not_active IP Right Cessation
- 2004-06-25 CN CNB200410061802XA patent/CN100343994C/zh not_active Expired - Fee Related
- 2004-07-22 US US10/896,060 patent/US7224018B2/en not_active Expired - Fee Related
-
2007
- 2007-02-13 KR KR1020070014886A patent/KR100726908B1/ko not_active IP Right Cessation
- 2007-05-03 US US11/797,406 patent/US7704831B2/en not_active Expired - Fee Related
-
2010
- 2010-03-04 US US12/717,753 patent/US7985648B2/en not_active Expired - Fee Related
-
2011
- 2011-06-15 US US13/161,207 patent/US8288227B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5717635A (en) | 1996-08-27 | 1998-02-10 | International Business Machines Corporation | High density EEPROM for solid state file |
KR19980053139A (ko) * | 1996-12-26 | 1998-09-25 | 문정환 | 플래쉬 메모리 제조방법 |
JP2000031302A (ja) * | 1998-07-08 | 2000-01-28 | Matsushita Electron Corp | 半導体記憶装置及びその製造方法 |
US6221718B1 (en) | 1998-08-12 | 2001-04-24 | United Microelectronics Corp. | Method of fabricating a flash memory |
US6218695B1 (en) | 1999-06-28 | 2001-04-17 | Tower Semiconductor Ltd. | Area efficient column select circuitry for 2-bit non-volatile memory cells |
KR20040025243A (ko) * | 2002-09-19 | 2004-03-24 | 아남반도체 주식회사 | 플래시 메모리 셀의 구조 및 그 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
US20110241131A1 (en) | 2011-10-06 |
JP2005057127A (ja) | 2005-03-03 |
CN100343994C (zh) | 2007-10-17 |
US20040262674A1 (en) | 2004-12-30 |
US7704831B2 (en) | 2010-04-27 |
KR100719983B1 (ko) | 2007-05-21 |
US8288227B2 (en) | 2012-10-16 |
US20070205457A1 (en) | 2007-09-06 |
US7985648B2 (en) | 2011-07-26 |
US7224018B2 (en) | 2007-05-29 |
TWI239636B (en) | 2005-09-11 |
CN1581491A (zh) | 2005-02-16 |
TW200507238A (en) | 2005-02-16 |
KR20070039510A (ko) | 2007-04-12 |
KR20050015984A (ko) | 2005-02-21 |
US20100155822A1 (en) | 2010-06-24 |
JP4818578B2 (ja) | 2011-11-16 |
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