KR100743443B1 - 이미지 센서용 마이크로렌즈 구조 - Google Patents
이미지 센서용 마이크로렌즈 구조 Download PDFInfo
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- KR100743443B1 KR100743443B1 KR1020060017591A KR20060017591A KR100743443B1 KR 100743443 B1 KR100743443 B1 KR 100743443B1 KR 1020060017591 A KR1020060017591 A KR 1020060017591A KR 20060017591 A KR20060017591 A KR 20060017591A KR 100743443 B1 KR100743443 B1 KR 100743443B1
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- microlenses
- microlens
- photosensitive
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- image sensing
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14685—Process for coatings or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14625—Optical elements or arrangements associated with the device
- H01L27/14627—Microlenses
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Solid State Image Pick-Up Elements (AREA)
Abstract
Description
Claims (12)
- 마이크로렌즈를 형성하는 방법에 있어서,기판을 제공하는 단계로서, 상기 기판은 하나 이상의 감광성 요소들을 가진, 상기 기판을 제공하는 단계;상기 기판 위에 감광층을 형성하는 단계;마스크에 따라 제 1 노광을 수행하는 단계;상기 마스크에 따라 제 2 노광을 수행하는 단계;상기 감광층의 일부를 제거하는 단계로서, 상기 감광층의 나머지 부분들이 하나 이상의 마이크로렌즈들을 형성하도록 하는, 상기 감광층의 일부를 제거하는 단계; 및상기 마이크로렌즈들을 리플로하는 단계를 포함하는, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 상기 감광층은 포지티브 포토레지스트 재료(positive photoresist material)를 포함하는, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 상기 마이크로렌즈들을 리플로하는 단계는 10초 내지 30분 동안 100℃ 내지 200℃ 사이의 온도에서 가열 처리(thermal process)를 수행하는 단계를 포함하는, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 상기 감광층은 0.1㎛ 내지 2.5㎛ 사이의 두께를 가지는, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 상기 기판은 4개 이상의 상호접속층들을 포함하는, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 마이크로렌즈들 사이의 갭(gap)은 0.2㎛보다 작은, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 마이크로렌즈들 사이의 갭은 0.1㎛보다 작은, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 상기 감광성 요소는 CMOS 이미지 센서인, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 상기 감광성 요소는 CCD인, 마이크로렌즈 형성 방법.
- 제 1 항에 있어서, 상기 리플로하는 단계 이전에 블리칭 공정(bleaching process)를 수행하는 단계를 더 포함하는, 마이크로렌즈 형성 방법.
- 이미지 감지 반도체 디바이스에 있어서,이미지 감지부 및 논리부(logic portion)를 가진 기판으로서, 상기 이미지 감지부는 그 위에 형성된 복수의 감광성 디바이스들을 가지며, 상기 논리부는 하나 이상의 상호접속층들을 가지는, 상기 기판; 및복수의 마이크로렌즈들을 포함하고, 적어도 하나의 마이크로렌즈는 하나 이상의 상기 복수의 감광성 디바이스들 위에 형성되고, 상기 마이크로렌즈들은 청구항 1에 청구된 방법에 따라 만들어지고 높이가 0.5㎛보다 작은, 이미지 감지 반도체 디바이스.
- 이미지 감지 반도체 디바이스에 있어서,이미지 감지부를 가진 기판으로서, 상기 이미지 감지부는 그 위에 형성된 복수의 감광성 디바이스들을 가지는, 상기 기판;복수의 마이크로렌즈들로서, 적어도 하나의 마이크로렌즈는 하나 이상의 상기 복수의 감광성 디바이스들 위에 형성되고, 상기 마이크로렌즈들은 청구항 1에 청구된 방법에 따라 만들어지는, 상기 복수의 마이크로렌즈; 및상기 마이크로렌즈들과 상기 감광성 디바이스들 사이의 하나 이상의 유전체 층들을 포함하고, 상기 유전체 층들은 3.5㎛보다 큰 조합된 두께를 가진, 이미지 감지 반도체 디바이스.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65548905P | 2005-02-23 | 2005-02-23 | |
US60/655,489 | 2005-02-23 | ||
US11/181,508 | 2005-07-14 | ||
US11/181,508 US7704778B2 (en) | 2005-02-23 | 2005-07-14 | Microlens structure for image sensors |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060094053A KR20060094053A (ko) | 2006-08-28 |
KR100743443B1 true KR100743443B1 (ko) | 2007-07-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060017591A KR100743443B1 (ko) | 2005-02-23 | 2006-02-23 | 이미지 센서용 마이크로렌즈 구조 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7704778B2 (ko) |
KR (1) | KR100743443B1 (ko) |
CN (1) | CN100458571C (ko) |
TW (1) | TWI304260B (ko) |
Families Citing this family (8)
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US7524694B2 (en) * | 2005-12-16 | 2009-04-28 | International Business Machines Corporation | Funneled light pipe for pixel sensors |
US20070235771A1 (en) * | 2006-04-05 | 2007-10-11 | Yan-Hsiu Liu | Semiconductor image sensor and method for fabricating the same |
KR100851752B1 (ko) * | 2007-06-12 | 2008-08-11 | 주식회사 동부하이텍 | 이미지 센서의 제조방법 |
JP4600476B2 (ja) * | 2007-12-28 | 2010-12-15 | 日本電気株式会社 | 微細構造物の欠陥検査方法及び欠陥検査装置 |
US8283110B2 (en) * | 2010-06-16 | 2012-10-09 | Visera Technologies Company Limited | Method for fabricating an image sensor device |
US8716823B2 (en) | 2011-11-08 | 2014-05-06 | Aptina Imaging Corporation | Backside image sensor pixel with silicon microlenses and metal reflector |
US9721984B2 (en) | 2012-04-12 | 2017-08-01 | Taiwan Semiconductor Manufacturing Company, Ltd. | Image sensor manufacturing methods |
TWI569400B (zh) * | 2012-06-11 | 2017-02-01 | 精材科技股份有限公司 | 晶片封裝體及其形成方法 |
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KR20040007877A (ko) * | 2002-07-11 | 2004-01-28 | 주식회사 하이닉스반도체 | 반도체 소자의 노광 마스크 및 이를 이용한 감광막 패턴형성 방법 |
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-
2005
- 2005-07-14 US US11/181,508 patent/US7704778B2/en not_active Expired - Fee Related
-
2006
- 2006-02-22 TW TW095105934A patent/TWI304260B/zh not_active IP Right Cessation
- 2006-02-23 KR KR1020060017591A patent/KR100743443B1/ko active IP Right Grant
- 2006-02-23 CN CNB2006100078919A patent/CN100458571C/zh not_active Expired - Fee Related
-
2010
- 2010-03-11 US US12/722,372 patent/US20100164040A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20000044588A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 높은 광 투과도를 갖는 이미지센서의 마이크로렌즈 형성방법 |
KR20000044590A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 높은광감도를 갖는 이미지센서 및 그 제조방법 |
KR20010061586A (ko) * | 1999-12-28 | 2001-07-07 | 박종섭 | 이미지센서의 마이크로렌즈 형성 방법 |
KR20040007877A (ko) * | 2002-07-11 | 2004-01-28 | 주식회사 하이닉스반도체 | 반도체 소자의 노광 마스크 및 이를 이용한 감광막 패턴형성 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN100458571C (zh) | 2009-02-04 |
KR20060094053A (ko) | 2006-08-28 |
US7704778B2 (en) | 2010-04-27 |
TW200727465A (en) | 2007-07-16 |
CN1952784A (zh) | 2007-04-25 |
US20060189024A1 (en) | 2006-08-24 |
TWI304260B (en) | 2008-12-11 |
US20100164040A1 (en) | 2010-07-01 |
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