KR940002777B1 - Mos 트랜지스터 제조방법 - Google Patents
Mos 트랜지스터 제조방법 Download PDFInfo
- Publication number
- KR940002777B1 KR940002777B1 KR1019910000557A KR910000557A KR940002777B1 KR 940002777 B1 KR940002777 B1 KR 940002777B1 KR 1019910000557 A KR1019910000557 A KR 1019910000557A KR 910000557 A KR910000557 A KR 910000557A KR 940002777 B1 KR940002777 B1 KR 940002777B1
- Authority
- KR
- South Korea
- Prior art keywords
- gate
- polysilicon
- insulating film
- gate polysilicon
- source
- 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
- 238000004519 manufacturing process Methods 0.000 title description 2
- 229920005591 polysilicon Polymers 0.000 claims description 39
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 38
- 239000000758 substrate Substances 0.000 claims description 10
- 238000005468 ion implantation Methods 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 230000003071 parasitic effect Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- HJHVQCXHVMGZNC-JCJNLNMISA-M sodium;(2z)-2-[(3r,4s,5s,8s,9s,10s,11r,13r,14s,16s)-16-acetyloxy-3,11-dihydroxy-4,8,10,14-tetramethyl-2,3,4,5,6,7,9,11,12,13,15,16-dodecahydro-1h-cyclopenta[a]phenanthren-17-ylidene]-6-methylhept-5-enoate Chemical compound [Na+].O[C@@H]([C@@H]12)C[C@H]3\C(=C(/CCC=C(C)C)C([O-])=O)[C@@H](OC(C)=O)C[C@]3(C)[C@@]2(C)CC[C@@H]2[C@]1(C)CC[C@@H](O)[C@H]2C HJHVQCXHVMGZNC-JCJNLNMISA-M 0.000 description 1
Images
Classifications
-
- 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
- H10D64/021—Manufacture or treatment using multiple gate spacer layers, e.g. bilayered sidewall spacers
-
- 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]
- H10D30/0223—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate
- H10D30/0227—Manufacture or treatment of FETs having insulated gates [IGFET] having source and drain regions or source and drain extensions self-aligned to sides of the gate having both lightly-doped source and drain extensions and source and drain regions self-aligned to the sides of the gate, e.g. lightly-doped drain [LDD] MOSFET or double-diffused drain [DDD] MOSFET
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (1)
- 반도체 기판(1)위에 게이트 산화막(2), 제1게이트 폴리실리콘(3), 제1절연막(7), 제2게이트 폴리실리콘(5), 제2절연막(8)을 차례로 형성하는 공정과, 게이트 영역을 정의하여 게이트 영역에만 남도록 제2절연막(8), 제1게이트 폴리실리콘(5), 제1절연막(7)을 제거하는 공정과, 상기 남아 있는 제1, 제2절연막(7,8) 및 제1게이트 폴리실리콘(5)을 마스크로 이용하여 반도체 기판(1)에 저농도 n형 이온주입하여 저농도 소오스 및 드레인영역을 형성하는 공정과, 전면에 폴리실리콘(10)을 증착하고 제2절연막(8)이 완전히 드러나도록 폴리실리콘(10)과 제1게이트 폴리실리콘(3)을 오버에치백하여 제2게이트 폴리실리콘(5) 측벽에 제1, 제2게이트 폴리실리콘(3,5)을 연결시키도록 폴리실리콘 사이드월(6)을 전면에 제3절연막(11)을 증착하고 제3절연막(11)과 게이트 산화막(2)을 오버에치백하여 절연막 사이드월(1)을 형성하고, 제1, 제2게이트 폴리실리콘(3,5) 및 사이드월(6,9)를 마스크로 이용하여 반도체 기판(1)에 고농도 n형 이온주입으로 LDD 구조의 소오스 및 드레인 영역을 형성하는 공정을 포함하여 이루어짐을 특징으로 하는 MOS 트랜지스터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910000557A KR940002777B1 (ko) | 1991-01-15 | 1991-01-15 | Mos 트랜지스터 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910000557A KR940002777B1 (ko) | 1991-01-15 | 1991-01-15 | Mos 트랜지스터 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920015437A KR920015437A (ko) | 1992-08-26 |
KR940002777B1 true KR940002777B1 (ko) | 1994-04-02 |
Family
ID=19309824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910000557A Expired - Fee Related KR940002777B1 (ko) | 1991-01-15 | 1991-01-15 | Mos 트랜지스터 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940002777B1 (ko) |
-
1991
- 1991-01-15 KR KR1019910000557A patent/KR940002777B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR920015437A (ko) | 1992-08-26 |
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