KR101221871B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR101221871B1 KR101221871B1 KR1020090120620A KR20090120620A KR101221871B1 KR 101221871 B1 KR101221871 B1 KR 101221871B1 KR 1020090120620 A KR1020090120620 A KR 1020090120620A KR 20090120620 A KR20090120620 A KR 20090120620A KR 101221871 B1 KR101221871 B1 KR 101221871B1
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- Thin Film Transistor (AREA)
Abstract
Description
Claims (20)
- 매몰 절연막 상에 활성 층이 형성된 제 1 기판을 제공하는 단계;상기 활성 층 상에 게이트 절연막을 형성하는 단계;상기 게이트 절연막 상에 게이트 전극을 형성하는 단계;상기 게이트 전극 양측의 상기 활성 층에 소스/드레인 영역을 형성하는 단계;상기 게이트 전극 및 상기 소스/드레인 영역을 포함하는 박막트랜지스터의 주변에 형성된 상기 매몰 절연막을 노출시키는 단계;상기 매몰 절연막의 일부를 제거하여 상기 박막트랜지스터 하부에 언더 컷을 형성하는 단계; 및상기 박막트랜지스터를 제 2 기판 상에 전이하는 단계를 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 절연막과 상기 매몰 절연막은 서로 다른 종류의 절연막 재질로 형성되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 2 항에 있어서, 상기 매몰 절연막은 실리콘 산화막으로 형성되고, 상기 게이트 절연막은 실리콘 질화막으로 형성되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 3 항에 있어서, 매몰 절연막을 노출시키는 단계는,상기 박막트랜지스터의 상부에 포토레지스트 패턴을 형성하는 단계와,상기 포토레지스트 패턴을 식각 마스크로 사용하여 상기 게이트 절연막을 식각하는 단계를 포함하는 반도체 소자의 제조방법.
- 제 4 항에 있어서, 상기 게이트 절연막은 건식식각방법으로 식각되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 5 항에 있어서, 상기 건식식각방법은 불화탄소계 가스를 사용하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 4 항에 있어서, 상기 매몰 절연막은 상기 포토레지스트 패턴 및 상기 게이트 절연막을 식각 마스크로 사용하는 습식식각방법으로 제거되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 7 항에 있어서, 상기 매몰 절연막의 상기 습식식각방법은 완충 불산 용액을 사용하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 7 항에 있어서, 상기 매몰 절연막을 식각한 후, 상기 포토레지스트 패턴 을 하드 베이크하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 9 항에 있어서, 상기 포토레지스트 패턴을 스탬프에 고정하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 10 항에 있어서, 상기 스탬프는 상기 포토레지스트 패턴에 접촉되는 면에 PDMS(Polydimethylsiloxane)가 형성된 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 10 항에 있어서, 상기 포토레지스트 패턴은 상기 스탬프에 고정되기 전에 자외선에 노광되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 10 항에 있어서, 상기 포토레지스트 패턴은 상기 박막트랜지스터가 상기 제 2 기판에 전이된 후 현상액에 의해 제거되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 절연막과 상기 게이트 전극은 상기 활성 층 상에 게이트 스택으로 형성되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 14 항에 있어서, 상기 소스/드레인 영역을 형성 한 후 상기 게이트 전극 및 상기 활성 영역 상에 상기 매몰 절연막과 서로 다른 종류의 재질로 이루어진 층간 절연막을 형성하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 15 항에 있어서, 상기 매몰 절연막은 실리콘 산화막으로 형성되고, 상기 층간 절연막은 실리콘 질화막으로 형성되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 15 항에 있어서, 상기 매몰 절연막을 노출시키는 단계는,상기 박막트랜지스터 상부의 상기 층간 절연막 상에 포토레지스트 패턴을 형성하는 단계와,상기 포토레지스트 패턴을 식각 마스크로 사용하여 상기 층간 절연막을 식각하는 단계를 포함하는 반도체 소자의 제조방법.
- 제 17 항에 있어서, 상기 층간 절연막은 건식식각방법으로 식각되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 17 항에 있어서, 상기 매몰 절연막은, 상기 포토레지스트 패턴 및 층간 절연막을 식각 마스크로 사용한 습식식각방법으로 제거되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트 절연막이 형성되기 전에 상기 활성 층을 분리시키는 단계를 더 포함하는 반도체 소자의 제조방법.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090120620A KR101221871B1 (ko) | 2009-12-07 | 2009-12-07 | 반도체 소자의 제조방법 |
| US12/766,953 US8198148B2 (en) | 2009-12-07 | 2010-04-26 | Method for manufacturing semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020090120620A KR101221871B1 (ko) | 2009-12-07 | 2009-12-07 | 반도체 소자의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20110064149A KR20110064149A (ko) | 2011-06-15 |
| KR101221871B1 true KR101221871B1 (ko) | 2013-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020090120620A Expired - Fee Related KR101221871B1 (ko) | 2009-12-07 | 2009-12-07 | 반도체 소자의 제조방법 |
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| Country | Link |
|---|---|
| US (1) | US8198148B2 (ko) |
| KR (1) | KR101221871B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8653631B2 (en) | 2009-12-07 | 2014-02-18 | Electronics And Telecommunications Research Institute | Transferred thin film transistor and method for manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Also Published As
| Publication number | Publication date |
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| US8198148B2 (en) | 2012-06-12 |
| US20110136296A1 (en) | 2011-06-09 |
| KR20110064149A (ko) | 2011-06-15 |
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