KR20020002536A - 이미지센서의 칩 스케일 패키지 - Google Patents
이미지센서의 칩 스케일 패키지 Download PDFInfo
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- KR20020002536A KR20020002536A KR1020000036739A KR20000036739A KR20020002536A KR 20020002536 A KR20020002536 A KR 20020002536A KR 1020000036739 A KR1020000036739 A KR 1020000036739A KR 20000036739 A KR20000036739 A KR 20000036739A KR 20020002536 A KR20020002536 A KR 20020002536A
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- KR
- South Korea
- Prior art keywords
- image sensor
- microlens
- refractive index
- sensor chip
- layer
- Prior art date
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F39/00—Integrated devices, or assemblies of multiple devices, comprising at least one element covered by group H10F30/00, e.g. radiation detectors comprising photodiode arrays
- H10F39/80—Constructional details of image sensors
- H10F39/806—Optical elements or arrangements associated with the image sensors
- H10F39/8063—Microlenses
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- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
Description
| 일반적인 패키지 구조의 이미지센서 | 종래의 CSP 구조의 이미지센서 | ||
| 공기 | 1 | 공기 | 1 |
| 글래스 리드 | 1.54 | 투명 리드 | 1.53 |
| 공기 | 1 | 제1접착층 | 1.54 |
| 마이크로렌즈 | 1.58 | 마이크로렌즈 | 1.58 |
| 제1평탄화층 | 1.54 | 제2평탄화층 | 1.54 |
| 칼라필터어레이 | 1.6 | 칼라필터어레이 | 1.6 |
| 제2평탄화층 | 1.54 | 제1평탄화층 | 1.54 |
| 절연층 | 1.46 | 절연층 | 1.46 |
| 항 목 | 일반적인 패키지 | 종래의 CSP | 본 발명 CSP | |||
| 굴절율 | 두께(um) | 굴절율 | 두께(um) | 굴절율 | 두께(um) | |
| 제1접착층 | None | -- | 1.54 | -- | 1.54 | -- |
| 굴절율매칭층 | None | -- | None | -- | 2.43 | 1 |
| 마이크로렌즈 | 1.58 | 3.5 | 1.58 | 3.5 | 1.58 | 3.5 |
| 제1평탄화층 | 1.54 | 2 | 1.54 | 2 | 1.54 | 2 |
| 칼라필터어레이 | 1.6 | 1 | 1.6 | 1 | 1.6 | 1 |
| 제2평탄화층 | 1.54 | 2 | 1.54 | 2 | 1.54 | 2 |
| 절연층 | 1.46 | 65 | 1.46 | 5 | 1.46 | 5 |
| 항 목 | 면적 | 리마크(Remark) |
| 단위화소 크기 | 10.0㎛ | Area : 10㎛×10㎛(square) |
| 포토다이오드 크기 | 5.0㎛ | Area : 5㎛×5㎛(Fill Factor 25%) |
| 마이크로렌즈 폭 | 9.0㎛ | 단위화소크기의 90% |
| 굴절율매칭층 폭 | 9.3㎛ | |
| 마이크로렌즈 높이 | 3.5㎛ | |
| 굴절율매칭층 두께 | 1.0㎛ |
| 항 목 | 일반적인 패키지 | 종래의 CSP | 본 발명 CSP |
| 포토다이오드에 광이 도달할 확률 (%) | 93.8% | 60.8% | 97.2% |
| 상대적 확률 | 100.0% | 64.8% | 103.6% |
Claims (5)
- 최상부층에 마이크로렌즈를 갖는 이미지센서 칩을 패키지하기 위한 투명리드 및 상기 투명리드와 상기 이미지센서 칩 사이의 부착력 및 밀폐를 위하여 그 사이에 개재되는 접착층을 구비하는 이미지센서 칩스케일패키지(CSP)에 있어서,상기 접착층과 상기 마이크로렌즈 사이에 개재되어 상기 마이크로렌즈상에 상기 마이크로렌즈의 단차를 따라 일정두께로 형성되며, 상기 접착층을 통해 상기 마이크로렌즈로 입사되는 광의 상대적인 굴절율 값을 증가시키기 위한 굴절율매칭층을 포함하여 이루어진 것을 특징으로 하는 이미지센서 칩스케일패키지.
- 제1항에 있어서,상기 굴절율매칭층은 가시광 영역 광의 흡수가 1% 이하인 무기물의 재질임을 특징으로 하는 이미지센서 칩스케일패키지.
- 제1항에 있어서,상기 굴절율매칭층은 화학기상증착에 의한 실리콘옥시나이트라이드 또는 실리콘나이트라이드임을 특징으로 하는 이미지센서 칩스케일패키지.
- 제1항에 있어서,상기 굴절율매칭층은 타이타늄옥사이드(TiO2), 지르콘옥사이드(ZrO), 지르코늄옥사이드(ZrO2) 또는 징크설파이드(ZnS)중 선택된 어느 하나임을 특징으로 하는 이미지센서 칩스케일패키지.
- 제4항에 있어서,상기 굴절율매칭층을 스퍼터링증착 또는 전자빔증착에 의해 증착하는 것을 특징으로 하는 이미지센서 칩스케일패키지.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036739A KR100623344B1 (ko) | 2000-06-30 | 2000-06-30 | 이미지센서의 칩 스케일 패키지 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000036739A KR100623344B1 (ko) | 2000-06-30 | 2000-06-30 | 이미지센서의 칩 스케일 패키지 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020002536A true KR20020002536A (ko) | 2002-01-10 |
| KR100623344B1 KR100623344B1 (ko) | 2006-09-11 |
Family
ID=19675052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000036739A Expired - Fee Related KR100623344B1 (ko) | 2000-06-30 | 2000-06-30 | 이미지센서의 칩 스케일 패키지 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100623344B1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100838288B1 (ko) * | 2006-12-05 | 2008-06-17 | 삼성전기주식회사 | 칩 온 글라스 패키지와 그 제조 방법 및 이를 포함하는카메라 모듈 |
| WO2009079497A1 (en) * | 2007-12-18 | 2009-06-25 | Omnivision Technologies, Inc. | Reflowable camera module with improved reliability of solder connections |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04223371A (ja) * | 1990-12-25 | 1992-08-13 | Sony Corp | マイクロレンズアレイ及びこれを用いた固体撮像装置 |
| JPH04259256A (ja) * | 1991-02-14 | 1992-09-14 | Olympus Optical Co Ltd | 固体撮像装置 |
| JPH0541506A (ja) * | 1991-08-06 | 1993-02-19 | Sony Corp | マイクロレンズ付固体撮像装置 |
| JP2823726B2 (ja) * | 1992-01-29 | 1998-11-11 | シャープ株式会社 | クリアモールド固体撮像素子 |
-
2000
- 2000-06-30 KR KR1020000036739A patent/KR100623344B1/ko not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100838288B1 (ko) * | 2006-12-05 | 2008-06-17 | 삼성전기주식회사 | 칩 온 글라스 패키지와 그 제조 방법 및 이를 포함하는카메라 모듈 |
| WO2009079497A1 (en) * | 2007-12-18 | 2009-06-25 | Omnivision Technologies, Inc. | Reflowable camera module with improved reliability of solder connections |
| US7911019B2 (en) | 2007-12-18 | 2011-03-22 | Omnivision Technologies, Inc. | Reflowable camera module with improved reliability of solder connections |
| CN101897175B (zh) * | 2007-12-18 | 2013-07-24 | 豪威科技有限公司 | 焊接连接可靠性改进的可回焊相机模块 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100623344B1 (ko) | 2006-09-11 |
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