KR100249015B1 - 트랜지스터의 형성 방법 - Google Patents
트랜지스터의 형성 방법 Download PDFInfo
- Publication number
- KR100249015B1 KR100249015B1 KR1019970066515A KR19970066515A KR100249015B1 KR 100249015 B1 KR100249015 B1 KR 100249015B1 KR 1019970066515 A KR1019970066515 A KR 1019970066515A KR 19970066515 A KR19970066515 A KR 19970066515A KR 100249015 B1 KR100249015 B1 KR 100249015B1
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- forming
- film
- gate
- impurity region
- 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
- 239000012535 impurity Substances 0.000 claims abstract description 52
- 239000004065 semiconductor Substances 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 21
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 17
- 238000000059 patterning Methods 0.000 claims abstract description 4
- 229920005591 polysilicon Polymers 0.000 abstract description 12
- 230000005684 electric field Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005530 etching Methods 0.000 abstract description 5
- 230000008719 thickening Effects 0.000 abstract description 2
- 238000005468 ion implantation Methods 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000005676 thermoelectric effect Effects 0.000 description 1
Images
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
-
- 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
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
-
- 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
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
Landscapes
- 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)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (2)
- 제 1 도전형을 갖는 반도체기판 상에 필드산화막을 형성하여 활성영역을 한정하는 공정과,상기 활성영역 상에 제 1 절연막, 식각정지막, 제 2 절연막을 형성하고 상기 제 2 절연막 및 식각정지막을 패터닝하여 상기 제 1 절연막의 소정 부분을 노출시키는 공정과,상기 제 2 절연막 및 노출된 제 1 절연막 상에 불순물이 도핑된 다결정실리콘 및 제 3 절연막을 형성하고 상기 제 3 절연막, 다결정실리콘층, 제 2 절연막, 식각정지막 및 제 1 절연막을 순차적으로 식각하여 상기 활성영역 상에 게이트를 한정하는 공정과,상기 제 3 절연막을 마스크로 사용하여 상기 반도체기판과 도전형이 다른 제 2 도전형의 불순물을 저농도로 이온주입하여 저농도 불순물영역을 형성하는 공정과,상기 게이트 및 제 4 절연막의 측면에 측벽을 형성하는 공정과,상기 제 3 절연막 및 측벽을 마스크로 사용하여 상기 저농도 불순물영역과 같은 제 2 도전형의 불순물을 고농도로 이온주입하여 고농도 불순물영역을 형성하는 공정을 구비하는 트랜지스터의 형성 방법.
- 청구항 1에 있어서 상기 식각정지막으로 불순물이 도핑되지 않은 다결정실리콘을 사용하는 트랜지스터의 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970066515A KR100249015B1 (ko) | 1997-12-06 | 1997-12-06 | 트랜지스터의 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970066515A KR100249015B1 (ko) | 1997-12-06 | 1997-12-06 | 트랜지스터의 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990047937A KR19990047937A (ko) | 1999-07-05 |
KR100249015B1 true KR100249015B1 (ko) | 2000-03-15 |
Family
ID=19526631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970066515A Expired - Fee Related KR100249015B1 (ko) | 1997-12-06 | 1997-12-06 | 트랜지스터의 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100249015B1 (ko) |
-
1997
- 1997-12-06 KR KR1019970066515A patent/KR100249015B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19990047937A (ko) | 1999-07-05 |
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