KR0166794B1 - 그레이디드 접합 형성방법 - Google Patents
그레이디드 접합 형성방법 Download PDFInfo
- Publication number
- KR0166794B1 KR0166794B1 KR1019900012336A KR900012336A KR0166794B1 KR 0166794 B1 KR0166794 B1 KR 0166794B1 KR 1019900012336 A KR1019900012336 A KR 1019900012336A KR 900012336 A KR900012336 A KR 900012336A KR 0166794 B1 KR0166794 B1 KR 0166794B1
- Authority
- KR
- South Korea
- Prior art keywords
- photoresist
- forming
- gate electrode
- graded junction
- ion implantation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims abstract description 6
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 239000012535 impurity Substances 0.000 claims abstract description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 238000005468 ion implantation Methods 0.000 abstract description 15
- 239000012212 insulator Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
Classifications
-
- 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
- Element Separation (AREA)
- Junction Field-Effect Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
- 활성영역과 필드영역이 정의된 반도체 기판상에 게이트 전극을 형성하는 공정과, 상기 게이트 전극을 포함한 반도체 기판상에 포토레지스트를 코팅하는 공정과, 소오스/드레인 형성영역의 상기 포토레지스트를 선택적으로 제거하고 프리-베이크하여 상기 포토레지스트를 플로우잉 시키는 공정과, 상기 플로우잉된 포토레지스트와 게이트 전극을 마스크로 이용하여 포토레지스트의 두께에 의해 LDD구조를 갖도록 불순물 이온주입하는 공정과, 상기 포토레지스트를 제거하고 열처리하는 공정을 포함하여 이루어짐을 특징으로 하는 그레이디드 접합 형성방법.
- 제1항에 있어서, 프리-베이크는 약 80℃~200℃에서 행함을 특징으로 하는 그레이디드 접합 형성방법.
- 제1항에 있어서, 프리 베이크에 의해 플로우잉되는 포토레지스트의 각도는 약 2°~ 50°인 것을 특징으로 하는 그레이디드 접합 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900012336A KR0166794B1 (ko) | 1990-08-10 | 1990-08-10 | 그레이디드 접합 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900012336A KR0166794B1 (ko) | 1990-08-10 | 1990-08-10 | 그레이디드 접합 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920005361A KR920005361A (ko) | 1992-03-28 |
KR0166794B1 true KR0166794B1 (ko) | 1999-01-15 |
Family
ID=19302233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900012336A KR0166794B1 (ko) | 1990-08-10 | 1990-08-10 | 그레이디드 접합 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0166794B1 (ko) |
-
1990
- 1990-08-10 KR KR1019900012336A patent/KR0166794B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR920005361A (ko) | 1992-03-28 |
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