KR20030047678A - 반도체 박막 장치, 그 제조 방법 및 화상 표시 장치 - Google Patents
반도체 박막 장치, 그 제조 방법 및 화상 표시 장치 Download PDFInfo
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- KR20030047678A KR20030047678A KR1020020039683A KR20020039683A KR20030047678A KR 20030047678 A KR20030047678 A KR 20030047678A KR 1020020039683 A KR1020020039683 A KR 1020020039683A KR 20020039683 A KR20020039683 A KR 20020039683A KR 20030047678 A KR20030047678 A KR 20030047678A
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Abstract
Description
Claims (20)
- 왜곡점이 600도 이하인 절연성 기판 상에 형성된 막 두께 200㎚ 이하의 반도체 박막 장치에 있어서,결함 밀도가 1×1017㎝-3보다 낮은 제1 반도체 박막 영역과 결함 밀도가 1×1017㎝-3이상인 제2 반도체 박막 영역이 교대로 스트라이프 형상으로 배치된 영역을 갖고, 상기 제1 반도체 박막 영역의 폭이 상기 제2 반도체 박막 영역의 폭보다도 넓은 것을 특징으로 하는 반도체 박막 장치.
- 제1항에 있어서,상기 제1 반도체 박막 영역은, 상기 기판 표면에 대하여 {110}의 주 배향을 갖고, 상기 기판과 상기 스트라이프 형상 영역에 대한 대략 수직인 면에 대하여 {100}의 주 배향을 갖는 것을 특징으로 하는 반도체 박막 장치.
- 제1항에 있어서,상기 제1 반도체 박막 영역의 막 두께는, 상기 제2 반도체 박막 영역의 막 두께보다도 얇은 것을 특징으로 하는 반도체 박막 장치.
- 제1항에 있어서,상기 제1 반도체 박막 영역에 게이트 절연막을 사이에 두고 형성된 게이트 전극과, 상기 제1 반도체 박막 영역에 소정 간격으로 형성된 소스, 드레인과, 상기 소스와 드레인의 사이에 형성되는 채널 영역을 포함하는 박막 트랜지스터를 배치하고, 상기 제2 반도체 박막 영역에 상기 채널 이외의 전원선, 접지선 그 밖의 배선을 배치한 것을 특징으로 하는 반도체 박막 장치.
- 왜곡점이 600도 이하인 절연성 기판 상에 레이저 어닐링에 의해 반도체 박막을 결정화시켜 반도체 박막 장치를 제조하는 방법에 있어서,상기 기판 상에 반도체 박막을 형성하고, 상기 반도체 박막 상에 레이저 빔에 대하여 반사 방지막이 되는 막 두께를 갖는 띠상의 절연막을 대략 일정한 간격을 두고 복수개 배치하고, 상기 절연막으로 덮여져 있는 영역의 레이저 빔 반사율 R2와 덮여져 있지 않은 영역의 반사율 R1이 R2<R1이 되도록 설정하고, 또한 상기 절연막으로 덮여져 있는 영역의 폭이 덮여져 있지 않은 영역의 폭보다 좁고, 상기 띠상의 절연막의 길이 방향과 대략 평행하게 상기 기판을 레이저 빔에 대하여 상대적으로 이동시키면서 상기 레이저 빔을 조사하는 공정을 포함하는 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제5항에 있어서,상기 레이저 어닐링의 레이저의 펄스 폭은 1㎲ 이상인 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제5항에 있어서,상기 반사율 R1의 영역은, 결함 밀도가 1×1017㎝-3보다 낮은 제1 반도체 박막 영역에 대응하고, 상기 반사율 R2의 영역은 결함 밀도가 1×1017㎝-3이상인 제2 반도체 영역에 대응하고, 상기 반사율 R1의 영역에 박막 트랜지스터가 배치되고, 상기 반사율 R2의 영역에 박막 트랜지스터의 채널 이외의, 전원 배선, 접지선 그 밖의 배선을 배치한 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제5항에 있어서,상기 기판 상에 폭이 W1이고 열전도율이 K1인 띠상의 하층막(1)과, 폭이 W2이고 열전도율이 K2인 띠상의 하층막(2)을 일정한 간격으로 교대로 복수개 배치하고, 또한 열전도율의 대소가 K2<K1 또한 W2<W1이 되도록 설정하고, 반도체 박막을 적층하여, 상기 열전도율이 각기 다른 띠상의 하층막의 길이 방향과 평행하게 상기 기판을 레이저 빔에 대하여 상대적으로 이동시키면서 상기 레이저 빔을 조사하는 공정을 포함하는 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제8항에 있어서,상기 열전도율 K1의 영역은 결함 밀도가 1×1017㎝-3보다 낮은 제1 반도체 박막 영역에 대응하고, 상기 열전도율 K2의 영역은 결함 밀도가 1×1017㎝-3이상인 제2 반도체 박막 영역에 대응하고, 상기 열전도율 K1의 영역에 박막 트랜지스터가 배치되고, 상기 열전도율 K2의 영역에 박막 트랜지스터의 채널 이외의 전원 배선, 접지선 그 밖의 배선을 배치한 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 왜곡점이 600도 이하인 절연성 기판 상에 레이저 어닐링에 의해 반도체 박막 장치를 형성하는 방법에 있어서,상기 레이저 빔의 길이 방향의 에너지 강도의 분포 패턴은 상대적으로 광 강도가 강한 부분과 약한 부분이 평면적으로 교대로 배치되고, 상기 레이저 빔의 길이 방향과 수직으로 상기 기판을 레이저 빔에 대하여 상대적으로 이동시키면서 상기 레이저 빔을 조사하는 공정을 포함하고, 상기 레이저 빔의 에너지 강도의 분포는 결정 성장 방향에 대하여 수직 방향으로 배치되는 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제10항에 있어서,상기 레이저 어닐링의 레이저의 펄스 폭은 1㎲ 이상인 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제10항에 있어서,상기 레이저 빔의 에너지 강도가 약한 영역은 결함 밀도가 1×1017㎝-3보다 낮은 제1 반도체 박막 영역에 대응하고, 상기 레이저 빔의 에너지 강도가 강한 영역은 결함 밀도가 1×1017㎝-3이상인 제2 반도체 박막 영역에 대응하고, 상기 레이저 빔의 에너지 강도가 약한 영역에는 박막 트랜지스터가 배치되고, 상기 레이저 빔의 에너지 강도가 강한 영역에 박막 트랜지스터의 채널 이외의, 전원 배선, 접지선 그 밖의 배선을 배치한 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 절연성의 기판 상에 하부 게이트가 형성되고, 상기 하부 게이트 상에 결함 밀도가 1×1017㎝-3보다 낮은 제1 반도체 박막 영역이 배치되고, 상기 하부 게이트에 대하여 자기 정합적으로 소스, 드레인 영역이 배치된 반도체 박막 장치의 제조 방법에 있어서,하부 게이트, 게이트 절연막, 반도체 박막을 형성한 후, 상기 반도체 박막을 레이저 어닐링에 의해 결정화하는 공정, 하부 게이트를 마스크로 하여 기판 이면으로부터 노광하여 레지스트를 패터닝하는 공정, 상기 레지스트를 마스크로 하여 이온 주입하는 공정을 포함하는 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제13항에 있어서,상기 레이저 어닐링의 레이저의 펄스 폭은 1㎲ 이상인 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 이중 게이트형 반도체 박막 장치의 제조 방법에 있어서,절연성의 기판 상에 제1 게이트가 되는 하부 게이트가 형성되고, 상기 하부 게이트 상에 결함 밀도가 1×1017㎝-3보다 낮은 제1 반도체 박막 영역이 배치되고, 상기 하부 게이트에 대하여 자기 정합적으로 소스 드레인 영역이 배치되고, 또한 상기 제1 반도체 박막 영역을 사이에 두고 상기 하부 게이트 바로 윗쪽에 자기 정합적으로 제2 게이트인 상부 게이트가 형성되며,하부 게이트, 제1 게이트 절연막, 반도체 박막을 형성한 후, 상기 반도체 박막을 레이저 어닐링에 의해 결정화하는 공정, 상기 하부 게이트를 마스크로 하여 기판 이면으로부터 노광하는 레지스트를 패터닝하는 공정, 상기 레지스트를 마스크로 하여 이온 주입하는 공정, 또한 제2 게이트 절연막을 형성한 후, 상기 하부 게이트를 마스크로 하여 기판 이면으로부터 노광하여 레지스트를 패터닝하는 공정 후, 상부 게이트를 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 제15항에 있어서,상기 레이저 어닐링의 레이저의 펄스폭은 1㎲ 이상인 것을 특징으로 하는 반도체 박막 장치의 제조 방법.
- 왜곡점이 600도 이하인 절연성 기판 상에 형성된 막 두께 200㎚ 이하의 반도체 박막에서, 결함 밀도가 1×1017㎝-3보다 낮은 제1 반도체 박막 영역과 결함 밀도가 1×1017㎝-3이상인 제2 반도체 박막 영역이 교대로 스트라이프 형상으로 배치된 영역을 갖고, 상기 제1 반도체 박막 영역의 폭이 상기 제2 반도체 박막 영역의 폭보다도 넓은 반도체 박막 장치를 갖는 것을 특징으로 하는 화상 표시 장치.
- 제17항에 있어서,상기 제1 반도체 박막 영역은, 상기 기판 표면에 대하여 {110}의 주 배향을 갖고, 상기 기판과 상기 스트라이프 형상 영역에 대한 대략 수직인 면에 대하여 {100}의 주 배향을 갖는 것을 특징으로 하는 화상 표시 장치.
- 제17항에 있어서,상기 제1 반도체 박막 영역의 막 두께는, 상기 제2 반도체 박막 영역의 막 두께보다도 얇은 것을 특징으로 하는 화상 표시 장치.
- 제17항에 있어서,상기 제1 반도체 박막 영역에 게이트 절연막을 사이에 두고 형성된 게이트 전극과, 상기 제1 반도체 박막 영역에 소정 간격으로 형성된 소스, 드레인과, 상기 소스와 드레인의 사이에 형성되는 채널 영역을 포함하는 박막 트랜지스터를 배치하고, 상기 제2 반도체 박막 영역에 상기 채널 이외의 전원선, 접지선 그 밖의 배선을 배치한 것을 특징으로 하는 화상 표시 장치.
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US6489222B2 (en) | 2000-06-02 | 2002-12-03 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device |
US7078321B2 (en) | 2000-06-19 | 2006-07-18 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method of manufacturing the same |
JP4744700B2 (ja) * | 2001-01-29 | 2011-08-10 | 株式会社日立製作所 | 薄膜半導体装置及び薄膜半導体装置を含む画像表示装置 |
JP4577281B2 (ja) * | 2006-07-07 | 2010-11-10 | ヤマハ株式会社 | D級増幅器 |
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2001
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- 2002-07-09 KR KR1020020039683A patent/KR100918337B1/ko active IP Right Grant
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Also Published As
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KR100918337B1 (ko) | 2009-09-22 |
CN1462059A (zh) | 2003-12-17 |
CN100414669C (zh) | 2008-08-27 |
US20030104662A1 (en) | 2003-06-05 |
JP2003168645A (ja) | 2003-06-13 |
TW544939B (en) | 2003-08-01 |
US6872977B2 (en) | 2005-03-29 |
US7569439B2 (en) | 2009-08-04 |
US20050127361A1 (en) | 2005-06-16 |
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