KR100790225B1 - 이미지 센서 및 그 제조 방법 - Google Patents
이미지 센서 및 그 제조 방법 Download PDFInfo
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- KR100790225B1 KR100790225B1 KR1020050129439A KR20050129439A KR100790225B1 KR 100790225 B1 KR100790225 B1 KR 100790225B1 KR 1020050129439 A KR1020050129439 A KR 1020050129439A KR 20050129439 A KR20050129439 A KR 20050129439A KR 100790225 B1 KR100790225 B1 KR 100790225B1
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Abstract
Description
Claims (27)
- 칼라필터;상기 칼라필터 상에 형성된 평탄화막; 및상기 평탄화막 상에 서로 다른 굴절율을 갖는 적어도 2층 이상 적층된 매질층을 포함하되,상기 매질층 각각은 평탄화된 구조로 적층되며, 상기 칼라필터로 갈수록 더 높은 굴절률을 갖는 이미지 센서.
- 삭제
- 제 1 항에 있어서,상기 매질층의 최상부층은 공기층보다 높은 굴절률을 갖는 이미지 센서.
- 제 3 항에 있어서,상기 최상부층은 1.4~1.45의 굴절률을 갖는 물질로 형성된 이미지 센서.
- 제 4 항에 있어서,상기 최상부층은 실리콘 산화막 계열의 물질로 형성된 이미지 센서.
- 제 3 항 내지 제 5 항 중 어느 하나의 항에 있어서,상기 매질층은 최하부층은 1.5보다 큰 굴절률을 갖는 물질로 형성된 이미지 센서.
- 제 6 항에 있어서,상기 최상부층과 상기 최하부층 사이에 개재된 중간층은 최하부층보단 작고, 최상부층보단 큰 굴절률을 갖는 물질로 형성된 이미지 센서.
- 제 7 항에 있어서,상기 중간층은 BPSG막 또는 USG막으로 형성된 이미지 센서.
- 제1 영역과, 상기 제1 영역에 비해 입사각이 큰 빛이 입사되는 제2 영역에 각각 형성된 칼라필터;상기 칼라필터 상에 형성된 평탄화막; 및상기 칼라필터와 각각 대응되도록 상기 평탄화막 상에 형성된 마이크로 렌즈;공기층보다 높은 굴절률을 갖고, 상기 제2 영역의 상기 마이크로 렌즈를 덮도록 형성된 매질층; 및상기 매질층을 포함하는 전체 구조 상부를 덮도록 형성된 캡핑층을 포함하는 이미지 센서.
- 제 9 항에 있어서,상기 매질층은 적어도 1.4 이상의 굴절률을 갖는 물질로 형성된 이미지 센서.
- 제 10 항에 있어서,상기 매질층은 실리콘 산화막, BPSG, USG 막 중 선택된 어느 하나의 막으로 형성된 이미지 센서.
- 제 11 항에 있어서,상기 캡핑층은 LTO막으로 형성된 이미지 센서.
- 제1 영역과, 상기 제1 영역에 비해 입사각이 큰 빛이 입사되는 제2 영역에 각각 형성된 칼라필터;상기 칼라필터 상에 형성된 평탄화막;상기 칼라필터와 각각 대응되도록 상기 평탄화막 상에 형성된 마이크로 렌즈;공기층보다 높은 굴절률을 갖고, 상기 제2 영역의 상기 마이크로 렌즈를 덮도록 형성된 제1 매질층;상기 제1 매질층보다 굴절률이 낮은 물질로 상기 제1 매질층을 포함하는 전체 구조 상부를 덮도록 형성된 제2 매질층; 및상기 제2 매질층 상에 형성된 캡핑층을 포함하는 이미지 센서.
- 제 13 항에 있어서,상기 제1 매질층은 적어도 1.4 이상의 굴절률을 갖는 물질로 형성된 이미지 센서.
- 제 14 항에 있어서,상기 제1 매질층은 실리콘 산화막, BPSG, USG 막 중 선택된 어느 하나의 막으로 형성된 이미지 센서.
- 제 15 항에 있어서,상기 캡핑층은 LTO막으로 형성된 이미지 센서.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제1 영역과, 상기 제1 영역에 비해 입사각이 큰 빛이 입사되는 제2 영역에 각각 칼라필터가 형성된 기판을 제공하는 단계;상기 칼라필터 상에 평탄화막을 형성하는 단계상기 칼라필터와 각각 대응되도록 상기 평탄화막 상에 마이크로 렌즈를 형성하는 단계;공기층보다 높은 굴절률을 갖고, 상기 마이크로 렌즈를 덮도록 제1 매질층을 형성하는 단계;상기 제2 영역에만 상기 제1 매질층이 잔류되도록 상기 제1 영역에 형성된 상기 제1 매질층을 제거하는 단계;상기 제1 매질층보다 굴절률이 낮은 물질로 상기 제1 매질층을 포함하는 전 체 구조 상부를 덮도록 제2 매질층을 형성하는 단계; 및상기 제2 매질층 상에 캡핑층을 형성하는 단계을 포함하는 이미지 센서의 제조방법.
- 제 25 항에 있어서,상기 제1 매질층은 적어도 1.4 이상의 굴절률을 갖는 물질로 형성하는 이미지 센서의 제조방법.
- 제 26 항에 있어서,상기 제1 매질층은 실리콘 산화막, BPSG, USG 막 중 선택된 어느 하나의 막으로 형성하는 이미지 센서의 제조방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050129439A KR100790225B1 (ko) | 2005-12-26 | 2005-12-26 | 이미지 센서 및 그 제조 방법 |
JP2006350424A JP4939206B2 (ja) | 2005-12-26 | 2006-12-26 | イメージセンサ及びその製造方法 |
US11/645,185 US7892628B2 (en) | 2005-12-26 | 2006-12-26 | Image sensor and method for manufacturing the same |
US13/029,238 US8344469B2 (en) | 2005-12-26 | 2011-02-17 | Image sensor and method for manufacturing the same |
US13/029,279 US8287948B2 (en) | 2005-12-26 | 2011-02-17 | Image sensor and method for manufacturing the same |
US13/731,682 US8846433B2 (en) | 2005-12-26 | 2012-12-31 | Image sensor and method for manufacturing the same |
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KR1020050129439A KR100790225B1 (ko) | 2005-12-26 | 2005-12-26 | 이미지 센서 및 그 제조 방법 |
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KR20070067915A KR20070067915A (ko) | 2007-06-29 |
KR100790225B1 true KR100790225B1 (ko) | 2008-01-02 |
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KR1020050129439A KR100790225B1 (ko) | 2005-12-26 | 2005-12-26 | 이미지 센서 및 그 제조 방법 |
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US (4) | US7892628B2 (ko) |
JP (1) | JP4939206B2 (ko) |
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Families Citing this family (17)
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KR100771377B1 (ko) * | 2006-12-22 | 2007-10-30 | 동부일렉트로닉스 주식회사 | 이미지 센서 및 그 제조방법 |
KR100900682B1 (ko) * | 2007-06-22 | 2009-06-01 | 주식회사 동부하이텍 | 이미지센서 및 그 제조방법 |
CN101588506B (zh) * | 2008-05-22 | 2012-05-30 | 索尼株式会社 | 固体摄像装置及其制造方法以及电子设备 |
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US8922900B2 (en) * | 2013-01-22 | 2014-12-30 | Taiwan Semiconductor Manufacturing Company Ltd. | Optical element structure and optical element fabricating process for the same |
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KR102506837B1 (ko) * | 2017-11-20 | 2023-03-06 | 삼성전자주식회사 | 이미지 센서 및 그 제조 방법 |
US10880467B2 (en) * | 2018-06-25 | 2020-12-29 | Omnivision Technologies, Inc. | Image sensors with phase detection auto-focus pixels |
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US20130119239A1 (en) | 2013-05-16 |
US7892628B2 (en) | 2011-02-22 |
JP2007181209A (ja) | 2007-07-12 |
JP4939206B2 (ja) | 2012-05-23 |
KR20070067915A (ko) | 2007-06-29 |
US20110198716A1 (en) | 2011-08-18 |
US8846433B2 (en) | 2014-09-30 |
US8344469B2 (en) | 2013-01-01 |
US20110198486A1 (en) | 2011-08-18 |
US8287948B2 (en) | 2012-10-16 |
US20070164193A1 (en) | 2007-07-19 |
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