KR101480077B1 - 반도체 소자 및 그의 제조방법 - Google Patents
반도체 소자 및 그의 제조방법 Download PDFInfo
- Publication number
- KR101480077B1 KR101480077B1 KR20130074060A KR20130074060A KR101480077B1 KR 101480077 B1 KR101480077 B1 KR 101480077B1 KR 20130074060 A KR20130074060 A KR 20130074060A KR 20130074060 A KR20130074060 A KR 20130074060A KR 101480077 B1 KR101480077 B1 KR 101480077B1
- Authority
- KR
- South Korea
- Prior art keywords
- oxide film
- nitride layer
- forming
- columnar structures
- electrode
- 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
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- 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
- H10D64/512—Disposition of the gate electrodes, e.g. buried 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]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
-
- 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]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
-
- 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
Landscapes
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Junction Field-Effect Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
도 2 내지 도 15는 본 발명의 일 실시 예에 따른 반도체 소자의 제조 방법을 설명하기 위한 도면, 그리고
도 16은 도 15를 위에서 바라본 도면이다.
게이트 절연층(150) 게이트 전극(160)
제2 절연층(170) 제1 전극(180)
Claims (15)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 반도체 소자의 제조 방법에 있어서,
질화물층을 형성하는 단계;
상기 질화물층 상부에 복수의 기둥 구조를 형성하는 단계;
상기 질화물층 상부에 배치되며 상기 복수의 기둥 구조의 제1 높이까지 배치되는 제1 산화막을 형성하는 단계;
상기 제1 산화막의 상부 표면으로부터 돌출된 상기 복수의 기둥 구조의 측면 부분 및 상기 제1 산화막의 상부 표면을 덮는 게이트 절연층을 형성하는 단계;
상기 게이트 절연층을 덮는 게이트 전극을 형성하는 단계;
상기 게이트 전극 상부에 제2 절연층을 형성하는 단계;
상기 제2 절연층 상에서 상기 복수의 기둥 구조와 연결되는 제1 전극을 형성하는 단계; 및
상기 질화물층의 기설정된 영역에 제2 전극을 형성하는 단계;를 포함하며,
상기 복수의 기둥 구조를 형성하는 단계는
상기 질화물층 상부에 제2 산화막을 형성하는 단계;
상기 제2 산화막 상부에 기설정된 패턴으로 금속 박막을 형성하는 단계;
상기 금속 박막을 산소 분위기에서 열처리하여 산화 금속막을 형성하는 단계;
상기 산화 금속막을 마스크로 하여 상기 제2 산화막과 상기 질화물층을 식각하는 단계;
상기 산화 금속막 및 상기 제2 산화막을 제거하는 단계;를 포함하는 것을 특징으로 하는 반도체 소자 제조 방법.
- 삭제
- 제10항에 있어서,
상기 게이트 절연층은 Al2O3인 반도체 소자 제조 방법. - 제10항에 있어서,
상기 복수의 기둥 구조는 직원기둥 또는 직육면체 형태이며, 윗면의 지름 또는 변의 길이가 0 초과 2㎛ 이하인 것을 특징으로 하는 반도체 소자 제조 방법. - 제10항에 있어서,
상기 게이트 전극은 n-타입 도펀트로 도핑된 n-타입 폴리 실리콘 또는 p-타입 도펀트로 도핑된 p-타입 폴리 실리콘인 반도체 소자 제조 방법. - 제10항, 제12항, 제13항 또는 제14항에 있어서,
상기 질화물층은 n-타입 도펀트로 도핑된 n-타입 GaN이며,
상기 복수의 기둥 구조는
미도핑 GaN 또는 n-타입 GaN인 것을 특징으로 하는 반도체 소자 제조 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130074060A KR101480077B1 (ko) | 2013-06-26 | 2013-06-26 | 반도체 소자 및 그의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130074060A KR101480077B1 (ko) | 2013-06-26 | 2013-06-26 | 반도체 소자 및 그의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20150001217A KR20150001217A (ko) | 2015-01-06 |
| KR101480077B1 true KR101480077B1 (ko) | 2015-01-09 |
Family
ID=52475015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20130074060A Expired - Fee Related KR101480077B1 (ko) | 2013-06-26 | 2013-06-26 | 반도체 소자 및 그의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR101480077B1 (ko) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000048749A (ko) * | 1996-09-30 | 2000-07-25 | 칼 하인쯔 호르닝어 | 파워 mos 소자 |
| JP2011103324A (ja) * | 2009-11-10 | 2011-05-26 | Toshiba Corp | 半導体装置および半導体装置の製造方法 |
| US20110169012A1 (en) | 2007-10-04 | 2011-07-14 | Hersee Stephen D | NANOWIRE AND LARGER GaN BASED HEMTS |
| KR20120081100A (ko) * | 2009-09-30 | 2012-07-18 | 국립대학법인 홋가이도 다이가쿠 | 터널 전계 효과 트랜지스터 및 그 제조 방법 |
-
2013
- 2013-06-26 KR KR20130074060A patent/KR101480077B1/ko not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000048749A (ko) * | 1996-09-30 | 2000-07-25 | 칼 하인쯔 호르닝어 | 파워 mos 소자 |
| US20110169012A1 (en) | 2007-10-04 | 2011-07-14 | Hersee Stephen D | NANOWIRE AND LARGER GaN BASED HEMTS |
| KR20120081100A (ko) * | 2009-09-30 | 2012-07-18 | 국립대학법인 홋가이도 다이가쿠 | 터널 전계 효과 트랜지스터 및 그 제조 방법 |
| JP2011103324A (ja) * | 2009-11-10 | 2011-05-26 | Toshiba Corp | 半導体装置および半導体装置の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20150001217A (ko) | 2015-01-06 |
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