KR100490497B1 - 박막 반도체 장치의 제조 방법 - Google Patents
박막 반도체 장치의 제조 방법 Download PDFInfo
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- KR100490497B1 KR100490497B1 KR10-2002-7001851A KR20027001851A KR100490497B1 KR 100490497 B1 KR100490497 B1 KR 100490497B1 KR 20027001851 A KR20027001851 A KR 20027001851A KR 100490497 B1 KR100490497 B1 KR 100490497B1
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Abstract
Description
Claims (36)
- 박막 반도체 장치의 제조 방법으로서,기판상에 섬형상의 가열기구를 마련하는 공정과,상기 가열기구상에 반도체 장치 활성 영역을 형성하는 공정과,상기 가열기구를 가열하여, 상기 반도체 장치 활성 영역을 결정화하기 위해 상기 가열기구가 상기 반도체 장치 활성 영역을 국소적으로 가열하는 공정과,결정화된 반도체 장치 활성 영역을 패터닝하여, 반도체층의 활성 영역을 섬형상으로 형성하는 공정을 포함하는 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 반도체 장치 활성 영역의 길이를 L(㎛)로 할 때에,상기 국소 가열기의 길이 LHS(㎛)보다도 해당 반도체 장치 활성 영역의 길이 L(㎛)를 짧게(L<LHS) 가공하는 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
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- 제 1 항에 있어서,상기 가열 기구를 마련하는 공정은기판 상에 제 1 반도체막을 퇴적하는 제 1 반도체막 퇴적 공정과,해당 제 1 반도체막을 소정의 형상으로 가공하는 제 1 반도체막 가공 공정과,해당 제 1 반도체막 상에 하측 절연막을 형성하는 하측 절연막 형성 공정으로 이루어지는 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
- 제 11 항에 있어서,상기 제 1 반도체막의 두께가 25㎚ 정도 이상 100㎚ 정도 이하인 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
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- 제 1 항에 있어서,상기 활성 반도체막 형성 공정이 비정질 반도체막을 퇴적하는 비정질 반도체막 퇴적 공정을 포함하는 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 활성 반도체막 형성 공정이,비정질 반도체막을 퇴적하는 비정질 반도체막 퇴적 공정과,해당 비정질 반도체막의 결정성을 높이는 반도체막 개질 공정을 포함하는 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
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- 제 1 항에 있어서,상기 활성 반도체막이 규소를 주체로 한 반도체막인 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
- 제 1 항에 있어서,상기 결정화 공정이 상기 활성 반도체막 측으로부터, 다결정 규소막에서의 흡수 계수가 2×10-4㎚-1 정도 이상 1×10-1㎚-1 정도 이하인 광을 조사하여 활성 반도체막의 용융 결정화를 진행시키는 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
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- 기판 상에 형성된 반도체막을 반도체 장치의 활성 영역(반도체 장치 활성 영역)으로서 이용하고 있는 박막 반도체 장치의 제조 방법에 있어서,후에 반도체 장치 활성 영역으로 되는 반도체막(활성 반도체막) 부위를 국소적으로 가열하는 국소 가열 기구를 기판 상에 마련하는 가열 기구 형성 공정과,해당 가열 기구 형성 공정 후에 활성 반도체막을 형성하는 활성 반도체막 형성 공정과,해당 국소 가열 기구에 의해 해당 활성 반도체막이 국소적으로 과열된 상태에서 해당 활성 반도체막을 용융 결정화시키는 결정화 공정과,해당 활성 반도체막을 섬 형상으로 가공하여 반도체 장치 활성 영역을 형성하는 소자 분리 공정을 포함하고,상기 결정화 공정은 상기 활성 반도체막 측으로부터, 다결정 규소막에서의 흡수 계수가 2×10-4㎚-1 정도 이상 1×10-1㎚-1 정도 이하인 광을 조사하여 활성 반도체막의 용융 결정화를 진행시키고,상기 결정화 공정에서 조사되는 광은, 펄스 레이저광으로서, Q 스위치 발진하는 고체 레이저의 고조파인 것을 특징으로 하는 박막 반도체 장치의 제조 방법.
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000175789 | 2000-06-12 | ||
| JPJP-P-2000-00175789 | 2000-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020032551A KR20020032551A (ko) | 2002-05-03 |
| KR100490497B1 true KR100490497B1 (ko) | 2005-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2002-7001851A Expired - Fee Related KR100490497B1 (ko) | 2000-06-12 | 2001-06-12 | 박막 반도체 장치의 제조 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6602765B2 (ko) |
| JP (1) | JP4164360B2 (ko) |
| KR (1) | KR100490497B1 (ko) |
| CN (1) | CN1197127C (ko) |
| TW (1) | TW503582B (ko) |
| WO (1) | WO2001097266A1 (ko) |
Families Citing this family (60)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6677214B1 (en) * | 1993-11-19 | 2004-01-13 | Mega Chips Corporation | Semiconductor device and method of fabricating the same |
| JP3778456B2 (ja) * | 1995-02-21 | 2006-05-24 | 株式会社半導体エネルギー研究所 | 絶縁ゲイト型薄膜半導体装置の作製方法 |
| US6555449B1 (en) | 1996-05-28 | 2003-04-29 | Trustees Of Columbia University In The City Of New York | Methods for producing uniform large-grained and grain boundary location manipulated polycrystalline thin film semiconductors using sequential lateral solidfication |
| WO2001075953A1 (en) * | 2000-04-04 | 2001-10-11 | Matsushita Electric Industrial Co., Ltd. | Thin film manufacturing method and manufacturing apparatus, and thin-film transistor and manufacturing method |
| US7797729B2 (en) * | 2000-10-26 | 2010-09-14 | O2Micro International Ltd. | Pre-boot authentication system |
| KR100662492B1 (ko) * | 2001-07-10 | 2007-01-02 | 엘지.필립스 엘시디 주식회사 | 비정질막 결정화 방법 및 이를 적용한 액정표시소자의제조방법 |
| KR20040052468A (ko) * | 2001-11-12 | 2004-06-23 | 소니 가부시끼 가이샤 | 레이저 어닐 장치 및 박막 트랜지스터의 제조 방법 |
| JP4275336B2 (ja) * | 2001-11-16 | 2009-06-10 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| JP2003243668A (ja) * | 2001-12-12 | 2003-08-29 | Seiko Epson Corp | 電気光学装置、液晶装置ならびに投射型表示装置 |
| US6767799B2 (en) * | 2001-12-28 | 2004-07-27 | Semiconductor Energy Laboratory Co., Ltd. | Laser beam irradiation method |
| KR100462862B1 (ko) * | 2002-01-18 | 2004-12-17 | 삼성에스디아이 주식회사 | 티에프티용 다결정 실리콘 박막 및 이를 이용한디스플레이 디바이스 |
| KR100514179B1 (ko) * | 2002-11-19 | 2005-09-13 | 삼성에스디아이 주식회사 | 박막 트랜지스터 및 이를 사용하는 유기 전계 발광 소자 |
| JP2003332350A (ja) * | 2002-05-17 | 2003-11-21 | Hitachi Ltd | 薄膜半導体装置 |
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- 2001-06-12 KR KR10-2002-7001851A patent/KR100490497B1/ko not_active Expired - Fee Related
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| CN1197127C (zh) | 2005-04-13 |
| JP4164360B2 (ja) | 2008-10-15 |
| CN1393032A (zh) | 2003-01-22 |
| WO2001097266A9 (en) | 2002-08-15 |
| WO2001097266A8 (en) | 2002-05-30 |
| WO2001097266A1 (en) | 2001-12-20 |
| TW503582B (en) | 2002-09-21 |
| US20020052069A1 (en) | 2002-05-02 |
| KR20020032551A (ko) | 2002-05-03 |
| US6602765B2 (en) | 2003-08-05 |
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