KR970077358A - 반도체 장치의 트랜지스터의 게이트 전극 형성 방법 - Google Patents
반도체 장치의 트랜지스터의 게이트 전극 형성 방법 Download PDFInfo
- Publication number
- KR970077358A KR970077358A KR1019960018229A KR19960018229A KR970077358A KR 970077358 A KR970077358 A KR 970077358A KR 1019960018229 A KR1019960018229 A KR 1019960018229A KR 19960018229 A KR19960018229 A KR 19960018229A KR 970077358 A KR970077358 A KR 970077358A
- Authority
- KR
- South Korea
- Prior art keywords
- conductive layer
- gate electrode
- semiconductor device
- semiconductor substrate
- transistor
- 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.)
- Withdrawn
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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
- H10D64/60—Electrodes characterised by their materials
- H10D64/66—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes
- H10D64/661—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation
- H10D64/662—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures
- H10D64/663—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon having vertical doping variation the conductor further comprising additional layers, e.g. multiple silicon layers having different crystal structures the additional layers comprising a silicide layer contacting the layer of silicon, e.g. polycide gates
-
- 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
- H10D64/013—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator
- H10D64/01302—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon
- H10D64/01304—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H10D64/01306—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon
- H10D64/01308—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal
- H10D64/01312—Manufacture or treatment of electrodes having a conductor capacitively coupled to a semiconductor by an insulator the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the conductor comprising a layer of silicon contacting the insulator, e.g. polysilicon the conductor further comprising a non-elemental silicon additional conductive layer, e.g. a metal silicide layer formed by the reaction of silicon with an implanted metal the additional layer comprising a metal or metal silicide formed by deposition, i.e. without a silicidation reaction, e.g. sputter deposition
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/71—Etching of wafers, substrates or parts of devices using masks for conductive or resistive materials
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (4)
- 반도체 장치의 트랜지스터이 게이트 전극을 형성하는 방법에 있어서, 반도체 기판 상에 제1절연막, 제1도전층, 제2도전층, 및 제2절연막을 순차적으로 적층하는 단계; 게이트 전극을 형성하기 위하여 상기 제2절연막을 패터닝하는 단계; 상기 패터닝된 제2절연막을 마스크로하여 제2도전층대 제1도전층의 선택비가 0.7:1 이상인 식각 매체를 이용하여 상기 반도체 기판을 식각하는 단계; 및 상기 패터닝된 제2절연막을 마스크로하여 제1도전층대 제1절연막의 선택비가 50:1 이상인 식각 매체를 이용하여 상기 반도체 기판을 식각하는 단계를 포함하는 것을 특징으로 하는 반도체 장치의 트랜지스터의 게이트 전극 형성 방법.
- 제1항에 있어서, 상기 제1절연막과 제2절연막은 산화막으로 형성하는 것을 특징으로 하는 반도체 장치의 트랜지스터의 게이트 전극 형성 방법.
- 제1항에 있어서, 상기 제1도전층은 폴리실리콘으로 형성하는 것을 특징으로 하는 반도체 장치의 트랜지스터의 게이트 전극 형성 방법.
- 제1항에 있어서, 상기 제2도전층은 텅스텐과 실리콘의 합금인 WSi로 형성하는 것을 특징으로 하는 반도체 장치의 트랜지스터의 게이트 전극 형성 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960018229A KR970077358A (ko) | 1996-05-28 | 1996-05-28 | 반도체 장치의 트랜지스터의 게이트 전극 형성 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960018229A KR970077358A (ko) | 1996-05-28 | 1996-05-28 | 반도체 장치의 트랜지스터의 게이트 전극 형성 방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR970077358A true KR970077358A (ko) | 1997-12-12 |
Family
ID=66284015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960018229A Withdrawn KR970077358A (ko) | 1996-05-28 | 1996-05-28 | 반도체 장치의 트랜지스터의 게이트 전극 형성 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR970077358A (ko) |
-
1996
- 1996-05-28 KR KR1019960018229A patent/KR970077358A/ko not_active Withdrawn
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