JP5342821B2 - 固体撮像素子 - Google Patents
固体撮像素子 Download PDFInfo
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- JP5342821B2 JP5342821B2 JP2008185419A JP2008185419A JP5342821B2 JP 5342821 B2 JP5342821 B2 JP 5342821B2 JP 2008185419 A JP2008185419 A JP 2008185419A JP 2008185419 A JP2008185419 A JP 2008185419A JP 5342821 B2 JP5342821 B2 JP 5342821B2
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- 230000003287 optical effect Effects 0.000 claims abstract description 102
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000003384 imaging method Methods 0.000 claims description 77
- 239000002245 particle Substances 0.000 claims description 59
- 230000005540 biological transmission Effects 0.000 claims description 35
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 27
- LTXHKPDRHPMBKA-UHFFFAOYSA-N dialuminum;cobalt(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Co+2] LTXHKPDRHPMBKA-UHFFFAOYSA-N 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 10
- 239000010931 gold Substances 0.000 claims description 10
- 229910044991 metal oxide Inorganic materials 0.000 claims description 8
- 150000004706 metal oxides Chemical class 0.000 claims description 8
- LFSBSHDDAGNCTM-UHFFFAOYSA-N cobalt(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Co+2] LFSBSHDDAGNCTM-UHFFFAOYSA-N 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- DOTULABPLBJFQR-UHFFFAOYSA-N [O--].[O--].[Co++].[Zn++] Chemical compound [O--].[O--].[Co++].[Zn++] DOTULABPLBJFQR-UHFFFAOYSA-N 0.000 claims description 6
- QEFDIAQGSDRHQW-UHFFFAOYSA-N [O-2].[Cr+3].[Fe+2] Chemical compound [O-2].[Cr+3].[Fe+2] QEFDIAQGSDRHQW-UHFFFAOYSA-N 0.000 claims description 6
- JIYCRSMNJQMYGX-UHFFFAOYSA-N [O-2].[Zn+2].[Ti+4].[Ni+2].[O-2].[O-2].[O-2] Chemical compound [O-2].[Zn+2].[Ti+4].[Ni+2].[O-2].[O-2].[O-2] JIYCRSMNJQMYGX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000031700 light absorption Effects 0.000 claims description 2
- 229910000684 Cobalt-chrome Inorganic materials 0.000 claims 2
- 239000010952 cobalt-chrome Substances 0.000 claims 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 abstract description 12
- 238000002156 mixing Methods 0.000 abstract description 9
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 31
- 239000010410 layer Substances 0.000 description 24
- 238000010521 absorption reaction Methods 0.000 description 23
- 239000011229 interlayer Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 229910004298 SiO 2 Inorganic materials 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000001312 dry etching Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000011358 absorbing material Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- FCSLGVBEHGZYLM-UHFFFAOYSA-N zinc cobalt(2+) nickel(2+) oxygen(2-) titanium(4+) Chemical compound [O--].[O--].[O--].[O--].[O--].[Ti+4].[Co++].[Ni++].[Zn++] FCSLGVBEHGZYLM-UHFFFAOYSA-N 0.000 description 5
- VYILFTUXZGGDFS-UHFFFAOYSA-N chromium(3+);cobalt(2+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Cr+3].[Cr+3].[Co+2].[Co+2] VYILFTUXZGGDFS-UHFFFAOYSA-N 0.000 description 4
- 238000000059 patterning Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- 230000005274 electronic transitions Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0087—Simple or compound lenses with index gradient
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- 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
- H01L27/1462—Coatings
- H01L27/14621—Colour filter arrangements
-
- 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
-
- 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
- H01L27/14629—Reflectors
-
- 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
-
- 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
- H01L27/14632—Wafer-level processed structures
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Optical Integrated Circuits (AREA)
Description
まず、本発明の第1の実施の形態(実施の形態1)に係る固体撮像素子について説明する。
次に、本発明の第2の実施の形態(実施の形態2)に係る固体撮像素子について説明する。
次に、本発明の第3の実施の形態(実施の形態3)に係る固体撮像素子について説明する。
次に、本発明の第4の実施の形態(実施の形態4)に係る固体撮像素子について説明する。
3 層間絶縁膜
4 配線層
5 光電変換領域
6 Si基板
8 半導体集積回路
12 光透過膜(SiO2)
13 光透過膜(SiN)
14 光露光
15 エッチング
16 BARC材料
22 レジスト
24 半導体集積回路
25 光露光
51〜53 固体撮像素子
61 色分離
101 Si基板
102 光電変換領域(フォトダイオード)
103 層間絶縁膜
104 配線層
105 カラーフィルタ
106 オンチップレンズ
111 赤色透過領域
112 緑色透過領域
113 青色透過領域
120 光吸収材料
121 赤色吸収材料
122 緑色吸収材料
123 青色吸収材料
131 赤色吸収膜
132 緑色吸収膜
133 青色吸収膜
301 光導波領域
401 光導波領域
402 光導波領域(赤色透過)
403 光導波領域(緑色透過)
404 光導波領域(青色透過)
405 光導波領域
501、502 集光素子
502a 第一領域
502b 第二領域
503、504 集光素子
504 集光素子
Claims (10)
- 基板と、
前記基板上に配置された複数の単位画素と、
前記複数の単位画素上に形成された配線層と、
前記単位画素に含まれる光電変換領域上に形成された前記配線層を貫く光導波領域と、
前記光導波領域上に形成された集光素子とを備え、
前記集光素子は、
入射光の波長と同程度かそれよりも短い線幅で分割された同心円構造の光透過膜で生じる実効屈折率分布を備え、
入射光を偏向する機能を備え、入射光を集光する機能を備えない第一の領域と、
入射光を偏向および集光する機能を備え、前記第一の領域の周囲に配置された第二の領域とを有する
ことを特徴とする固体撮像素子。 - 前記第一の領域は、前記集光素子に入射する光の波長以上で、かつ、前記光導波領域の開口幅以下の幅の領域である
ことを特徴とする請求項1に記載の固体撮像素子。 - 前記光導波領域は、異なる光吸収特性を有する複数種類よりなる
ことを特徴とする請求項1又は2に記載の固体撮像素子。 - 前記光導波領域を構成する高屈折率媒質は金属酸化物からなり、
該屈折率媒質中には、前記金属酸化物に含まれる金属とは異なる金属が含有された第1金属含有粒子である、粒径5nm〜100nmの粒子がさらに分散されている
ことを特徴とする請求項3に記載の固体撮像素子。 - 前記光導波領域は、
前記第1金属含有粒子として、金、銅、クロムおよび鉄クロム酸化物の少なくとも1つを含む第1の種類の光導波領域と、
コバルトチタン酸化物、ニッケルチタン亜鉛酸化物およびコバルト亜鉛酸化物の少なくとも1つを含む第2の種類の光導波領域と、
コバルトアルミ酸化物およびコバルトクロム酸化物の少なくとも1つを含む第3の種類の光導波領域とを含む
ことを特徴とする請求項4に記載の固体撮像素子。 - 前記集光素子は、光電変換領域ごとに異なる複数の種類の分光機能を有し、
前記集光素子には金属を含む第2金属含有粒子が分散されている
ことを特徴とする請求項1又は2に記載の固体撮像素子。 - 前記集光素子は、屈折率1.4以上の該固体撮像素子が受光する可視光から赤外光を50%以上透過する媒質であって、かつ、前記媒質中に粒径5nm〜50nmの前記第2金属含有粒子を含む
ことを特徴とする請求項6に記載の固体撮像素子。 - 前記集光素子は、
前記第2金属含有粒子として、金、銅、クロムおよび鉄クロム酸化物の少なくとも1つを含む第1の種類の集光素子と、
コバルトチタン酸化物、ニッケルチタン亜鉛酸化物およびコバルト亜鉛酸化物の少なくとも1つを含む第2の種類の集光素子と、
コバルトアルミ酸化物およびコバルトクロム酸化物の少なくとも1つを含む第3の種類の集光素子とを含む
ことを特徴とする請求項7に記載の固体撮像素子。 - 前記集光素子の屈折率分布をn(r)(rは画素中央からの距離を表す)とすると、前記第一の領域の屈折率分布はrの1次式のみで表される
ことを特徴とする請求項1に記載の固体撮像素子。 - 入射光の角度をθとすると、前記第一の領域の屈折率分布はsinθに比例した傾きを持つ
ことを特徴とする請求項1に記載の固体撮像素子。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008185419A JP5342821B2 (ja) | 2008-07-16 | 2008-07-16 | 固体撮像素子 |
US13/054,222 US8610228B2 (en) | 2008-07-16 | 2009-07-16 | Solid-state image sensor |
PCT/JP2009/003364 WO2010007792A1 (ja) | 2008-07-16 | 2009-07-16 | 固体撮像素子 |
CN200980127511.7A CN102105985B (zh) | 2008-07-16 | 2009-07-16 | 固体摄像元件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008185419A JP5342821B2 (ja) | 2008-07-16 | 2008-07-16 | 固体撮像素子 |
Publications (2)
Publication Number | Publication Date |
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JP2010027746A JP2010027746A (ja) | 2010-02-04 |
JP5342821B2 true JP5342821B2 (ja) | 2013-11-13 |
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JP2008185419A Active JP5342821B2 (ja) | 2008-07-16 | 2008-07-16 | 固体撮像素子 |
Country Status (4)
Country | Link |
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US (1) | US8610228B2 (ja) |
JP (1) | JP5342821B2 (ja) |
CN (1) | CN102105985B (ja) |
WO (1) | WO2010007792A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5277063B2 (ja) * | 2009-04-20 | 2013-08-28 | パナソニック株式会社 | 集光素子、集光素子群および固体撮像装置 |
FR2964795B1 (fr) * | 2010-09-09 | 2013-09-27 | Commissariat Energie Atomique | Photodetecteur et matrice de détection correspondante |
JP5737971B2 (ja) | 2011-01-28 | 2015-06-17 | キヤノン株式会社 | 固体撮像装置およびカメラ |
JP6174940B2 (ja) * | 2012-10-19 | 2017-08-02 | キヤノン株式会社 | 撮像素子及び撮像装置 |
JP2015088691A (ja) * | 2013-11-01 | 2015-05-07 | ソニー株式会社 | 固体撮像装置およびその製造方法、並びに電子機器 |
US9281333B2 (en) * | 2014-05-01 | 2016-03-08 | Visera Technologies Company Limited | Solid-state imaging devices having light shielding partitions with variable dimensions |
KR102410088B1 (ko) | 2014-12-11 | 2022-06-20 | 삼성전자주식회사 | 이미지 센서 |
EP3465294A4 (en) * | 2016-06-03 | 2020-01-22 | 3M Innovative Properties Company | OPTICAL FILTERS WITH SPATIALLY DIFFERENT MICROREPLICED LAYERS |
JP2018156999A (ja) * | 2017-03-16 | 2018-10-04 | ソニーセミコンダクタソリューションズ株式会社 | 固体撮像装置及び電子装置 |
JP2019220682A (ja) * | 2018-06-15 | 2019-12-26 | シャープ株式会社 | 固体撮像素子の製造方法 |
TW202310378A (zh) * | 2021-08-06 | 2023-03-01 | 日商索尼半導體解決方案公司 | 光檢測器、光檢測器之製造方法及電子機器 |
WO2023164754A1 (en) * | 2022-03-04 | 2023-09-07 | The University Of Western Ontario | Dielectric splitter for use in imaging |
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KR20050085579A (ko) | 2002-12-13 | 2005-08-29 | 소니 가부시끼 가이샤 | 고체 촬상 소자 및 그 제조방법 |
WO2005076361A1 (ja) * | 2004-02-03 | 2005-08-18 | Matsushita Electric Industrial Co., Ltd. | 固体撮像装置、その製造方法およびカメラ |
WO2005101067A1 (ja) * | 2004-04-13 | 2005-10-27 | Matsushita Electric Industrial Co., Ltd. | 集光素子および固体撮像装置 |
JP2006128383A (ja) * | 2004-10-28 | 2006-05-18 | Canon Inc | 固体撮像素子及びその製造方法 |
JP2006261247A (ja) | 2005-03-15 | 2006-09-28 | Canon Inc | 固体撮像素子およびその製造方法 |
JP4456040B2 (ja) * | 2005-06-17 | 2010-04-28 | パナソニック株式会社 | 固体撮像素子 |
JP5224685B2 (ja) | 2005-12-19 | 2013-07-03 | キヤノン株式会社 | 光電変換装置、その製造方法、撮像モジュール及び撮像システム |
JP4972924B2 (ja) * | 2005-12-19 | 2012-07-11 | ソニー株式会社 | 固体撮像装置およびその製造方法、並びにカメラ |
US7884434B2 (en) | 2005-12-19 | 2011-02-08 | Canon Kabushiki Kaisha | Photoelectric conversion apparatus, producing method therefor, image pickup module and image pickup system |
JP2008010773A (ja) * | 2006-06-30 | 2008-01-17 | Matsushita Electric Ind Co Ltd | 固体撮像素子およびその製造方法 |
JP2008091800A (ja) * | 2006-10-04 | 2008-04-17 | Canon Inc | 撮像素子及びその製造方法並びに撮像システム |
JP2008134583A (ja) * | 2006-10-30 | 2008-06-12 | Fujifilm Corp | カラーフィルタ、液晶表示装置およびその製造に用いられる硬化性組成物 |
JP4914231B2 (ja) | 2007-01-29 | 2012-04-11 | 日本特殊陶業株式会社 | 圧力検出装置 |
JP2009252973A (ja) | 2008-04-04 | 2009-10-29 | Panasonic Corp | 固体撮像素子およびその製造方法 |
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