KR100210558B1 - 불휘발성 반도체 기억 장치 및 그 제조 공정 - Google Patents
불휘발성 반도체 기억 장치 및 그 제조 공정 Download PDFInfo
- Publication number
- KR100210558B1 KR100210558B1 KR1019960006201A KR19960006201A KR100210558B1 KR 100210558 B1 KR100210558 B1 KR 100210558B1 KR 1019960006201 A KR1019960006201 A KR 1019960006201A KR 19960006201 A KR19960006201 A KR 19960006201A KR 100210558 B1 KR100210558 B1 KR 100210558B1
- Authority
- KR
- South Korea
- Prior art keywords
- silicon
- epitaxial
- insulating film
- single crystal
- filler
- 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 - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 89
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 89
- 239000010703 silicon Substances 0.000 claims abstract description 89
- 239000000945 filler Substances 0.000 claims abstract description 39
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims description 19
- 239000013078 crystal Substances 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- 238000005468 ion implantation Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 229910052814 silicon oxide Inorganic materials 0.000 description 9
- 239000011229 interlayer Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000001312 dry etching 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
- 230000005641 tunneling Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B20/00—Read-only memory [ROM] devices
-
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
Landscapes
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (5)
- 불휘발성 반도체 기억장치에 있어서, 실리콘 기판과, 실리콘 단결정의 에피택셜 성장에 의해 행렬로 형성된 다수의 에피택셜 실리콘 필러와, 상기 에피택셜 실리콘 필러들간의 상기 실리콘 기판상에 형성된 소스 영역과, 상기 에피택셜 실리콘 필러상에 형성된 다수의 드레인 영역과, 상기 에피택셜 실리콘 필러의 각열의 방향으로 상기 드레인 영역을 상호 접속시키기 위하여 상기 드레인 영역상에 형성된 행렬의 각 열에 대한 다수의 비트선과, 상기 에피낵셜 실리콘 필러간에 형성되고 상기 실리콘 기판에서 상기 에피택셜 실리콘 필러로 확장되는 다수의 제1게이트 절연막과, 상기 에피택셜 실리콘 필러간에 삽입된 상기 제1게이트 절연막으로 상기 에피택셜 실리콘 필러의 측면을 둘러 쌓는 다수의 플로우팅 게이트와, 상기 플로우팅 게이트를 커버하는 다수의 제2게이트 절연막 및 행방향의 상기 에픽택셜 실리콘 필러간의 갭에 위치되고 행방향으로 연속적으로 확장하는 다수의 제어 게이트를 구비하는 불휘발성 반도체 기억 장치.
- 제1항에 있어서, 열방향의 상기 에피택셜 실리콘 필러간의 거리는 행방향의 상기 에피택셜 실리콘 필러간의 거리보다 크고 상기 제어 게이트는 행방향에서 상호 분리되는 불휘발성 반도체 기억 장치.
- 불휘발성 반도체 장치의 제조 공정에 있어서, 실리콘 기판상에 절연막을 형성하고 상기 절연막에 다수의 구멍을 형성하는 단계와, 상기 절연막을 마스크로서 이용하여 실리콘을 선택적으로 성장시켜 단결정 에피택셜층을 필러 형태로 형성시키는 단계와, 열산화에 의해 전체 에리어에 걸쳐 제1게이트 절연막을 형성하는 단계와, 다결정 실리콘을 증착 및 에칭백하여 상기 단결정 에피택셜 층의 상기 필러의 측면상에 다수의 플로우팅 게이트를 형성하는 단계와, 불순물을 주입하여 상기 단결정 실리콘 층 및 상기 플로우팅 게이트로 커버되지 않는 상기 실리콘 기판의 표면 및 상기 단결정 에피택셜 층의 상기 필러의 최상부에 고농도 확산층을 형성하는 단계와, 상기 플로우팅 게이트의 표면상에 제2게이트 절연막을 형성하는 단계와, 다결정 실리콘을 증착 및 에칭백하여 상기 플로우팅 게이트의 측면을 커버하는 다수의 제어 게이트를 형성하고 행방향의 상기 다수의 단결정 에피택셜 층의 필러간의 갭을 채우는 단계 및 상기 단결정 에피택셜층의 필러의 최상부에 형성되는 상기 고농도 확산층을 상호 접속시키는 다수의 비트선을 열방향으로 형성하는 단계를 포함하는 불휘발성 반도체 장치의 제조 공정.
- 제3항에 있어서, 상기 선택적으로 성장시키는 단계에서, 상기 단결정 에피택셜 층의 필러는 상기 절연막 형성 단계에 의해 형성되는 상기 절연막의 두께와 동일한 높이로 형성되는 불휘발성 반도체 장치의 제조 공정.
- 제3항에 있어서, 상기 열 방향에서 상기 단결정 에피택셜 층의 필러간의 갭의 거리는 상기 행 방향의 거리보다 크게 설정되는 불휘발성 반도체 장치의 제조 공정.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP95-78455 | 1995-03-10 | ||
JP7078455A JP2692639B2 (ja) | 1995-03-10 | 1995-03-10 | 不揮発性半導体記憶装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960036085A KR960036085A (ko) | 1996-10-28 |
KR100210558B1 true KR100210558B1 (ko) | 1999-07-15 |
Family
ID=13662520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960006201A Expired - Fee Related KR100210558B1 (ko) | 1995-03-10 | 1996-03-09 | 불휘발성 반도체 기억 장치 및 그 제조 공정 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5891773A (ko) |
JP (1) | JP2692639B2 (ko) |
KR (1) | KR100210558B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100457227B1 (ko) * | 2001-12-29 | 2004-11-16 | 동부전자 주식회사 | 플레시 이이피롬셀 및 그 제조방법 |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19603810C1 (de) * | 1996-02-02 | 1997-08-28 | Siemens Ag | Speicherzellenanordnung und Verfahren zu deren Herstellung |
US5973352A (en) * | 1997-08-20 | 1999-10-26 | Micron Technology, Inc. | Ultra high density flash memory having vertically stacked devices |
US6355528B1 (en) * | 1999-08-11 | 2002-03-12 | Advanced Micro Devices, Inc. | Method to form narrow structure using double-damascene process |
JP4730999B2 (ja) | 2000-03-10 | 2011-07-20 | スパンション エルエルシー | 不揮発性メモリの製造方法 |
TW457713B (en) * | 2000-10-06 | 2001-10-01 | Winbond Electronics Corp | Manufacturing method of EEPROM cell |
US6531727B2 (en) * | 2001-02-09 | 2003-03-11 | Micron Technology, Inc. | Open bit line DRAM with ultra thin body transistors |
US6566682B2 (en) * | 2001-02-09 | 2003-05-20 | Micron Technology, Inc. | Programmable memory address and decode circuits with ultra thin vertical body transistors |
US6424001B1 (en) | 2001-02-09 | 2002-07-23 | Micron Technology, Inc. | Flash memory with ultra thin vertical body transistors |
US6496034B2 (en) * | 2001-02-09 | 2002-12-17 | Micron Technology, Inc. | Programmable logic arrays with ultra thin body transistors |
US6559491B2 (en) * | 2001-02-09 | 2003-05-06 | Micron Technology, Inc. | Folded bit line DRAM with ultra thin body transistors |
US6891262B2 (en) * | 2001-07-19 | 2005-05-10 | Sony Corporation | Semiconductor device and method of producing the same |
US7160577B2 (en) | 2002-05-02 | 2007-01-09 | Micron Technology, Inc. | Methods for atomic-layer deposition of aluminum oxides in integrated circuits |
US6888739B2 (en) * | 2002-06-21 | 2005-05-03 | Micron Technology Inc. | Nanocrystal write once read only memory for archival storage |
US6804136B2 (en) | 2002-06-21 | 2004-10-12 | Micron Technology, Inc. | Write once read only memory employing charge trapping in insulators |
US7193893B2 (en) * | 2002-06-21 | 2007-03-20 | Micron Technology, Inc. | Write once read only memory employing floating gates |
US6996009B2 (en) | 2002-06-21 | 2006-02-07 | Micron Technology, Inc. | NOR flash memory cell with high storage density |
US7221017B2 (en) * | 2002-07-08 | 2007-05-22 | Micron Technology, Inc. | Memory utilizing oxide-conductor nanolaminates |
US7221586B2 (en) | 2002-07-08 | 2007-05-22 | Micron Technology, Inc. | Memory utilizing oxide nanolaminates |
KR100481986B1 (ko) * | 2002-11-12 | 2005-04-14 | 매그나칩 반도체 유한회사 | 비휘발성 메모리 소자의 제조 방법 |
CN100413054C (zh) * | 2003-12-30 | 2008-08-20 | 中芯国际集成电路制造(上海)有限公司 | 使用氧化物线间隔物制造动态随机访问存储器单元结构的方法及其产生的结构 |
US7098105B2 (en) * | 2004-05-26 | 2006-08-29 | Micron Technology, Inc. | Methods for forming semiconductor structures |
US20060046392A1 (en) * | 2004-08-26 | 2006-03-02 | Manning H M | Methods of forming vertical transistor structures |
US7442976B2 (en) | 2004-09-01 | 2008-10-28 | Micron Technology, Inc. | DRAM cells with vertical transistors |
US7679118B2 (en) * | 2005-06-13 | 2010-03-16 | Micron Technology, Inc. | Vertical transistor, memory cell, device, system and method of forming same |
US7927948B2 (en) | 2005-07-20 | 2011-04-19 | Micron Technology, Inc. | Devices with nanocrystals and methods of formation |
US7709402B2 (en) | 2006-02-16 | 2010-05-04 | Micron Technology, Inc. | Conductive layers for hafnium silicon oxynitride films |
US7923373B2 (en) | 2007-06-04 | 2011-04-12 | Micron Technology, Inc. | Pitch multiplication using self-assembling materials |
KR101559063B1 (ko) | 2009-02-02 | 2015-10-08 | 삼성전자주식회사 | 반도체 소자의 제조 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5135879A (en) * | 1985-03-26 | 1992-08-04 | Texas Instruments Incorporated | Method of fabricating a high density EPROM cell on a trench wall |
US5180680A (en) * | 1991-05-17 | 1993-01-19 | United Microelectronics Corporation | Method of fabricating electrically erasable read only memory cell |
JP2889061B2 (ja) * | 1992-09-25 | 1999-05-10 | ローム株式会社 | 半導体記憶装置およびその製法 |
US5379255A (en) * | 1992-12-14 | 1995-01-03 | Texas Instruments Incorporated | Three dimensional famos memory devices and methods of fabricating |
US5382540A (en) * | 1993-09-20 | 1995-01-17 | Motorola, Inc. | Process for forming an electrically programmable read-only memory cell |
US5460988A (en) * | 1994-04-25 | 1995-10-24 | United Microelectronics Corporation | Process for high density flash EPROM cell |
US5554550A (en) * | 1994-09-14 | 1996-09-10 | United Microelectronics Corporation | Method of fabricating electrically eraseable read only memory cell having a trench |
-
1995
- 1995-03-10 JP JP7078455A patent/JP2692639B2/ja not_active Expired - Fee Related
-
1996
- 1996-03-09 KR KR1019960006201A patent/KR100210558B1/ko not_active Expired - Fee Related
-
1997
- 1997-07-23 US US08/898,960 patent/US5891773A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100457227B1 (ko) * | 2001-12-29 | 2004-11-16 | 동부전자 주식회사 | 플레시 이이피롬셀 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR960036085A (ko) | 1996-10-28 |
JPH08250612A (ja) | 1996-09-27 |
US5891773A (en) | 1999-04-06 |
JP2692639B2 (ja) | 1997-12-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100210558B1 (ko) | 불휘발성 반도체 기억 장치 및 그 제조 공정 | |
US6144062A (en) | Semiconductor device having thin electrode layer adjacent gate insulator and method of manufacture | |
KR101036669B1 (ko) | Nand 플래시 메모리의 어레이 소스 라인 | |
JP4070249B2 (ja) | 半導体集積回路装置の製造方法 | |
KR100474472B1 (ko) | 반도체 집적회로장치 및 그 제조방법 | |
KR100372328B1 (ko) | 반도체저장장치 | |
US20050079675A1 (en) | Semiconductor device with localized charge storage dielectric and method of making same | |
US20060281244A1 (en) | Nonvolatile semiconductor memory device and method of manufacturing the same | |
KR100237121B1 (ko) | 셀이 과잉소거되지 않게 하기 위해 분할된 플로팅 게이트를 갖고 있는 전기적으로 소거가능하고 프로그램 가능한 판독 전용 메모리 셀 및 그 제조 방법 | |
US7585726B2 (en) | Nonvolatile semiconductor memory devices and the fabrication process of them | |
KR0153413B1 (ko) | 반도체 기억장치 | |
US7838350B2 (en) | Bottom-gate sonos-type cell having a silicide gate | |
KR100239616B1 (ko) | 비휘발성 반도체 메모리 장치 및 그 제조 방법 | |
US6555870B1 (en) | Nonvolatile semiconductor memory device and method for producing same | |
JP3694329B2 (ja) | 高速アクセスamg・epromの製造方法 | |
US5863822A (en) | Method of making non-volatile semiconductor memory devices having large capacitance between floating and control gates | |
US5576232A (en) | Fabrication process for flash memory in which channel lengths are controlled | |
JPH02360A (ja) | 不揮発生半導体装置の製造方法 | |
US20230290721A1 (en) | Methods Used In Forming A Memory Array Comprising Strings Of Memory Cells And Memory Arrays Comprising Strings Of Memory Cells | |
US20230386575A1 (en) | Memory Arrays Comprising Strings Of Memory Cells And Methods Used In Forming A Memory Array Comprising Strings Of Memory Cells | |
US20030011018A1 (en) | Flash floating gate using epitaxial overgrowth | |
US7232724B1 (en) | Radical oxidation for bitline oxide of SONOS | |
US11895834B2 (en) | Methods used in forming a memory array comprising strings of memory cells | |
US20240315035A1 (en) | Memory Arrays Comprising Strings Of Memory Cells And Methods Used In Forming A Memory Array Comprising Strings Of Memory Cells | |
JPH09237846A (ja) | 半導体装置、不揮発性半導体記憶装置及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19960309 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19960309 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990128 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19990427 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19990428 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20020418 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20030424 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20040423 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20050422 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20060420 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20070424 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20080425 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20090424 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20090424 Start annual number: 11 End annual number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20110310 |