KR930007754B1 - 반도체장치의 제조방법 - Google Patents
반도체장치의 제조방법 Download PDFInfo
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- KR930007754B1 KR930007754B1 KR1019900012364A KR900012364A KR930007754B1 KR 930007754 B1 KR930007754 B1 KR 930007754B1 KR 1019900012364 A KR1019900012364 A KR 1019900012364A KR 900012364 A KR900012364 A KR 900012364A KR 930007754 B1 KR930007754 B1 KR 930007754B1
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- 238000004519 manufacturing process Methods 0.000 title claims description 32
- 239000004065 semiconductor Substances 0.000 title claims description 32
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 53
- 239000012535 impurity Substances 0.000 claims description 35
- 229920005591 polysilicon Polymers 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 33
- 239000000758 substrate Substances 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 20
- 238000009792 diffusion process Methods 0.000 claims description 14
- 238000007667 floating Methods 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 239000010410 layer Substances 0.000 description 76
- 229910004298 SiO 2 Inorganic materials 0.000 description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000010703 silicon Substances 0.000 description 10
- 239000011229 interlayer Substances 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 238000005468 ion implantation Methods 0.000 description 8
- 229910052698 phosphorus Inorganic materials 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910052785 arsenic Inorganic materials 0.000 description 6
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 6
- 238000002955 isolation Methods 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- 238000001947 vapour-phase growth Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 1
Images
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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- 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
-
- 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]
-
- 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]
- H10D30/601—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs
- H10D30/603—Insulated-gate field-effect transistors [IGFET] having lightly-doped drain or source extensions, e.g. LDD IGFETs or DDD IGFETs having asymmetry in the channel direction, e.g. lateral high-voltage MISFETs having drain offset region or extended drain IGFETs [EDMOS]
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Non-Volatile Memory (AREA)
- Semiconductor Memories (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (6)
- 제1도전형 반도체기판(1)표면에 서로 이간되어 평행으로 연재하는 띠모양의 제1절연막(2)을 형성하는 공정과, 상기 반도체기판(1)상 및 상기 제1절연막(2)상에 상기 띠모양의 제1절연막(2)의 길이방향과 교차하도록 제2절여막(3), 부유게이트전극(4), 제3절연막(5), 제어게이트전극(6), 제4절연막(7) 및 이 제4절연막(7)보다 이 에칭속도가 느린 에칭스톱막(8)으로 이루어진 적층게이트구조를 복수개 평행으로 연재해서 형성하는 공정, 상기 평행으로 연재한 적층게이트구조사이에서 또한 소오스형성예정영역(14)상에 존재하는 제1절연막(2)을, 적층게이트구조의 일단측을 마스크의 일부로서 자기정합적으로 제거하고, 소오스 형성예정영역(14)의 반도체기판(1)을 노출시키는 공정, 상기 적층게이트구조의 상기 일단측의 마스크의 일부로서, 자기정합적으로 상기 소오스형성예정역역(14)에 제2도전형불순물을 도입하는 공정, 상기 적층게이트구조의 측벽에 제5절연막(11)을 형성하는 공정, 상기 적층게이트구조의 타단측을 마스크의 일부로서, 자기정합적으로 드레인형성예정영역(15)에 제2도전형 불순물을 도입하는 공정, 상기 적층게이트구조의 타단측의 측벽에 형성된 상기 제5절연막(11)을 마스크의 일부로서, 자기정합적으로 상기 반도체기판(1)의 드레인형성예정영역(15)상을 노출시키는 공정, 상기 드레인노출영역의 표면에 접촉하고 또 이 드레인영역을 사이에 두고 인접한 2개의 상기 적층게이트구조의 각각 적어도 드레인영역측의 상기 제5절연막(11)의 절연막을 덮도록 도전층(19)을 형성하는 공정, 전면적으로 제6절연막(21)을 형성하는 공정, 상기 도전층(19)을 스토퍼로서 상기 제6절연막(21)을 선택적으로 제거함에 따라 접속공을 개공하는 공정, 이 접속공을 포함한 영역의 상기 제6절연막(21)상에 배선패턴(24)을 형성하는 공정을 구비한 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 소오스형성예정영역(14)상의 상기 제1절연막(2)의 선택적인 제거공정을, 상기 적층게이트구조의 측벽부에 상기 제5절연막(11)을 형성한 후에 행하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 드레인영역의 형성은 상기 제5절연막(11)을 형성하기 전에 상기 적층게이트구조의 드레인측의 측벽을 마스크의 일부로서 자기정합적으로 불순물을 도입함에 따라 제2도전형 제1불순물 확산영역(15)을 형성하는 공정과, 상기 제5절연막(11)을 형성한 후, 상기 적층게이트구조의 드레인측의 측벽에 형성된 제5절연막(11)을 마스크의 일부로서 자기정합적으로 불순물을 도입함에 따라 제2도전형으로 상기 제1불순물확산영역(15)보다 불순물농도가 높은 제2불순물확산영역(16)을 형성하는 공정으로 이루어진 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 에칭스톱막(8)으로서, 다결정실리콘층을 퇴적형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 도전층(19)으로서, 다결정실리콘층을 퇴적형성하는 것을 특징으로 하는 반도체장치의 제조방법.
- 제1항에 있어서, 상기 제5절연막(11)을 형성한 후, 상기 에칭스톱막(8)을 제거하는 공정을 다수 구비한 것을 특징으로 하는 반도체장치의 제조방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP01-208806 | 1989-08-11 | ||
JP1208806A JPH0783066B2 (ja) | 1989-08-11 | 1989-08-11 | 半導体装置の製造方法 |
JP89-208806 | 1989-08-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910005464A KR910005464A (ko) | 1991-03-30 |
KR930007754B1 true KR930007754B1 (ko) | 1993-08-18 |
Family
ID=16562431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900012364A Expired - Lifetime KR930007754B1 (ko) | 1989-08-11 | 1990-08-11 | 반도체장치의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5019527A (ko) |
EP (1) | EP0412558B1 (ko) |
JP (1) | JPH0783066B2 (ko) |
KR (1) | KR930007754B1 (ko) |
DE (1) | DE69029618T2 (ko) |
Families Citing this family (44)
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JPH03196662A (ja) * | 1989-12-26 | 1991-08-28 | Nec Corp | 半導体集積回路の配線構造およびその製造方法 |
US5371031A (en) * | 1990-08-01 | 1994-12-06 | Texas Instruments Incorporated | Method of making EEPROM array with buried N+ windows and with separate erasing and programming regions |
US5264718A (en) * | 1991-06-28 | 1993-11-23 | Texas Instruments Incorporated | EEPROM cell array with tight erase distribution |
US5149665A (en) * | 1991-07-10 | 1992-09-22 | Micron Technology, Inc. | Conductive source line for high density programmable read-only memory applications |
US5270240A (en) * | 1991-07-10 | 1993-12-14 | Micron Semiconductor, Inc. | Four poly EPROM process and structure comprising a conductive source line structure and self-aligned polycrystalline silicon digit lines |
JP3181357B2 (ja) * | 1991-08-19 | 2001-07-03 | 株式会社東芝 | 半導体薄膜の形成方法および半導体装置の製造方法 |
EP0528690B1 (en) * | 1991-08-21 | 1998-07-15 | STMicroelectronics, Inc. | Contact alignment for read only memory devices |
US5264384A (en) * | 1991-08-30 | 1993-11-23 | Texas Instruments Incorporated | Method of making a non-volatile memory cell |
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DE59308761D1 (de) * | 1992-04-29 | 1998-08-20 | Siemens Ag | Verfahren zur Herstellung eines Kontaktlochs zu einem dotierten Bereich |
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US5350706A (en) * | 1992-09-30 | 1994-09-27 | Texas Instruments Incorporated | CMOS memory cell array |
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US5298447A (en) * | 1993-07-22 | 1994-03-29 | United Microelectronics Corporation | Method of fabricating a flash memory cell |
KR970007819B1 (en) * | 1993-10-21 | 1997-05-17 | Hyundai Electronics Ind | Contact forming method of semiconductor device |
JP2974561B2 (ja) * | 1993-11-08 | 1999-11-10 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
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JP2687894B2 (ja) * | 1994-09-26 | 1997-12-08 | 日本電気株式会社 | 半導体記憶装置の製造方法 |
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JP2601226B2 (ja) * | 1994-11-11 | 1997-04-16 | 日本電気株式会社 | 不揮発性半導体記憶装置のメモリセルの形成方法 |
US5639681A (en) * | 1995-01-17 | 1997-06-17 | Intel Corporation | Process for eliminating effect of polysilicon stringers in semiconductor devices |
US5534451A (en) * | 1995-04-27 | 1996-07-09 | Taiwan Semiconductor Manufacturing Company | Method for fabricating a reduced area metal contact to a thin polysilicon layer contact structure having low ohmic resistance |
JPH0982924A (ja) * | 1995-09-14 | 1997-03-28 | Toshiba Corp | 半導体記憶装置の製造方法 |
JP3431367B2 (ja) * | 1995-10-03 | 2003-07-28 | 東芝マイクロエレクトロニクス株式会社 | 不揮発性半導体記憶装置の製造方法 |
KR100224701B1 (ko) * | 1996-07-16 | 1999-10-15 | 윤종용 | 불휘발성 메모리장치 및 그 제조방법 |
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KR100223769B1 (ko) * | 1996-12-24 | 1999-10-15 | 김영환 | 메모리 소자의 유전막 형성 방법 |
JP3641103B2 (ja) * | 1997-06-27 | 2005-04-20 | 株式会社東芝 | 不揮発性半導体メモリ装置の製造方法 |
US6127222A (en) * | 1997-12-16 | 2000-10-03 | Advanced Micro Devices, Inc. | Non-self-aligned side channel implants for flash memory cells |
US6103602A (en) * | 1997-12-17 | 2000-08-15 | Advanced Micro Devices, Inc. | Method and system for providing a drain side pocket implant |
DE19756601A1 (de) * | 1997-12-18 | 1999-07-01 | Siemens Ag | Verfahren zum Herstellen eines Speicherzellen-Arrays |
US6576521B1 (en) * | 1998-04-07 | 2003-06-10 | Agere Systems Inc. | Method of forming semiconductor device with LDD structure |
US6660585B1 (en) * | 2000-03-21 | 2003-12-09 | Aplus Flash Technology, Inc. | Stacked gate flash memory cell with reduced disturb conditions |
JP4149644B2 (ja) * | 2000-08-11 | 2008-09-10 | 株式会社東芝 | 不揮発性半導体記憶装置 |
US6790765B1 (en) * | 2003-11-25 | 2004-09-14 | Nanya Technology Corporation | Method for forming contact |
CN101515569B (zh) * | 2008-02-19 | 2011-08-03 | 和舰科技(苏州)有限公司 | 一种集成电路晶片结构及其制造方法 |
JP5139464B2 (ja) * | 2010-03-30 | 2013-02-06 | 株式会社東芝 | 不揮発性半導体記憶装置及びその製造方法 |
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JPS5645068A (en) * | 1979-09-21 | 1981-04-24 | Hitachi Ltd | Manufacture of semiconductor |
JPS614240A (ja) * | 1984-06-18 | 1986-01-10 | Toshiba Corp | 半導体装置の製造方法 |
US4728617A (en) * | 1986-11-04 | 1988-03-01 | Intel Corporation | Method of fabricating a MOSFET with graded source and drain regions |
FR2618011B1 (fr) * | 1987-07-10 | 1992-09-18 | Commissariat Energie Atomique | Procede de fabrication d'une cellule de memoire |
JPS6437852A (en) * | 1987-08-04 | 1989-02-08 | Mitsubishi Electric Corp | Manufacture of semiconductor device |
US4868138A (en) * | 1988-03-23 | 1989-09-19 | Sgs-Thomson Microelectronics, Inc. | Method for forming a self-aligned source/drain contact for an MOS transistor |
DE68915508T2 (de) * | 1988-10-25 | 1994-12-15 | Matsushita Electronics Corp | Verfahren zur Herstellung einer nicht-flüchtigen Speicheranordnung. |
-
1989
- 1989-08-11 JP JP1208806A patent/JPH0783066B2/ja not_active Expired - Fee Related
-
1990
- 1990-08-09 US US07/564,768 patent/US5019527A/en not_active Expired - Lifetime
- 1990-08-10 DE DE69029618T patent/DE69029618T2/de not_active Expired - Fee Related
- 1990-08-10 EP EP90115398A patent/EP0412558B1/en not_active Expired - Lifetime
- 1990-08-11 KR KR1019900012364A patent/KR930007754B1/ko not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0412558A2 (en) | 1991-02-13 |
US5019527A (en) | 1991-05-28 |
JPH0372681A (ja) | 1991-03-27 |
EP0412558A3 (en) | 1992-08-05 |
JPH0783066B2 (ja) | 1995-09-06 |
DE69029618T2 (de) | 1997-05-28 |
EP0412558B1 (en) | 1997-01-08 |
DE69029618D1 (de) | 1997-02-20 |
KR910005464A (ko) | 1991-03-30 |
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