JP4479969B2 - 集光素子 - Google Patents
集光素子 Download PDFInfo
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- JP4479969B2 JP4479969B2 JP2006531986A JP2006531986A JP4479969B2 JP 4479969 B2 JP4479969 B2 JP 4479969B2 JP 2006531986 A JP2006531986 A JP 2006531986A JP 2006531986 A JP2006531986 A JP 2006531986A JP 4479969 B2 JP4479969 B2 JP 4479969B2
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- 238000003384 imaging method Methods 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 26
- 238000009826 distribution Methods 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 12
- 229910004298 SiO 2 Inorganic materials 0.000 description 7
- 229910010413 TiO 2 Inorganic materials 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 241000255777 Lepidoptera Species 0.000 description 1
- -1 Si N Inorganic materials 0.000 description 1
- 229910004541 SiN Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001444 catalytic combustion detection Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
- G02B5/188—Plurality of such optical elements formed in or on a supporting substrate
- G02B5/1885—Arranged as a periodic array
-
- 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
- H01L27/14632—Wafer-level processed structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0216—Coatings
- H01L31/02161—Coatings for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02162—Coatings for devices characterised by at least one potential jump barrier or surface barrier for filtering or shielding light, e.g. multicolour filters for photodetectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices 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; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0232—Optical elements or arrangements associated with the device
- H01L31/02327—Optical elements or arrangements associated with the device the optical elements being integrated or being directly associated to the device, e.g. back 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
- H01L27/14601—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
- 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
- H01L27/14683—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
- H01L27/14683—Processes or apparatus peculiar to the manufacture or treatment of these devices or parts thereof
- H01L27/14687—Wafer level processing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Solid State Image Pick-Up Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Light Receiving Elements (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Description
図5は、本実施の形態における固体撮像装置の基本構造を示す図である。各画素(サイズ□2.8mm)は、分布屈折率レンズ(単に「レンズ」、又は「光透過膜」ともいう。)1、G用カラーフィルタ2、Al配線3、信号伝送部4、平坦化層5、受光素子(Siフォトダイオード)6、Si基板7から構成されている。
(A、B、C:定数)
B=−k0n0 (1−2)
k0=2π/λ (1−3)
2 カラーフィルタ
3 Al配線
4 電気信号伝送部
5 平坦化層
6 受光素子(Siフォトダイオード)
7 Si基板
8 半導体集積回路
9 入射光
10 TiO2(n=2.43)
11 SiN (n=2.0)
12 SiO2(n=1.45)
13 空気(n=1.0)
14 周期(0.2μm)
15 レンズ中心
16 位相変調
17 第1ゾーン
18 第2ゾーン
19 第3ゾーン
20 レジスト
21 SiO2
22 半導体集積回路(前記2〜7によって構成)
23 電子線描画
24 エッチング
25 TiO2
26 入射光
27 光学レンズ
28 固体撮像装置
29 装置中央部の入射光
30 装置中央部画素用分布屈折率レンズ
31 装置周辺部の入射光
32 装置周辺部画素用分布屈折率レンズ
33 入射光(0°入射)
34 入射光(α/2°入射)
35 入射光(α°入射)
36 0°入射光用分布屈折率レンズ
37 α/2°入射光用分布屈折率レンズ
38 α°入射光用分布屈折率レンズ
54 入射光
55 光学レンズ
56 固体撮像装置
57 斜め入射光
58 マイクロレンズ
59 垂直入射光
60 斜め入射光
61 マイクロレンズ
Claims (1)
- 屈折率が異なる4種類の材料の光透過膜から構成される集合体を備え、固体撮像装置の各画素に設けられる集光素子であって、
前記集合体における一の光透過膜は、入射光の波長より短い幅および所定の厚さの同心状のリングであり、
前記集合体における他の光透過膜は、前記一の光透過膜が存在していない空間の全部又は一部を同心状に充填するリングであり、
前記集合体の屈折率と入射側媒質の屈折率との差分の最大値をΔnmaxとし、前記所定の厚さをL、前記入射光の波長をλとした場合に、
ΔnmaxL=λ
を満たし、
前記集合体の同心状の複数のリングのうち、中心のリングは最も高い高屈折率材料で構成され、外側のリングになるに従って順に低屈折率材料となっており、
前記入射光の入射角度をθとし、予め決定された定数をA及びB及びCとした場合において、
前記集合体上における前記画素の中央に対応する位置から面内方向の距離xに依存する、前記集合体の屈折率と入射側媒質の屈折率との差分をΔn(x)とするとき、
Δn(x)=Δnmax[(Ax2+Bxsinθ)/2π+C](A、B、C:定数)
を満たす
ことを特徴とする集光素子。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004254733 | 2004-09-01 | ||
JP2004254733 | 2004-09-01 | ||
PCT/JP2005/016024 WO2006025496A1 (ja) | 2004-09-01 | 2005-09-01 | 集光素子、固体撮像装置およびその製造方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009091605A Division JP4531843B2 (ja) | 2004-09-01 | 2009-04-03 | 固体撮像装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006025496A1 JPWO2006025496A1 (ja) | 2008-05-08 |
JP4479969B2 true JP4479969B2 (ja) | 2010-06-09 |
Family
ID=36000145
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006531986A Active JP4479969B2 (ja) | 2004-09-01 | 2005-09-01 | 集光素子 |
JP2009091605A Active JP4531843B2 (ja) | 2004-09-01 | 2009-04-03 | 固体撮像装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009091605A Active JP4531843B2 (ja) | 2004-09-01 | 2009-04-03 | 固体撮像装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7667286B2 (ja) |
EP (1) | EP1785750A1 (ja) |
JP (2) | JP4479969B2 (ja) |
CN (1) | CN100547439C (ja) |
WO (1) | WO2006025496A1 (ja) |
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JP4310080B2 (ja) * | 2002-06-17 | 2009-08-05 | キヤノン株式会社 | 回折光学素子およびこれを備えた光学系、光学装置 |
US6841888B2 (en) * | 2003-06-04 | 2005-01-11 | Yazaki Corporation | Encapsulant for opto-electronic devices and method for making it |
US7463364B2 (en) * | 2003-07-31 | 2008-12-09 | Ler Technologies, Inc. | Electro-optic sensor |
JP2005084485A (ja) | 2003-09-10 | 2005-03-31 | Nikon Corp | 回折光学素子 |
US7115853B2 (en) * | 2003-09-23 | 2006-10-03 | Micron Technology, Inc. | Micro-lens configuration for small lens focusing in digital imaging devices |
US7116405B2 (en) * | 2003-12-04 | 2006-10-03 | Johnson Kenneth C | Maskless, microlens EUV lithography system with grazing-incidence illumination optics |
JP4479969B2 (ja) * | 2004-09-01 | 2010-06-09 | パナソニック株式会社 | 集光素子 |
-
2005
- 2005-09-01 JP JP2006531986A patent/JP4479969B2/ja active Active
- 2005-09-01 EP EP05781342A patent/EP1785750A1/en not_active Withdrawn
- 2005-09-01 WO PCT/JP2005/016024 patent/WO2006025496A1/ja active Application Filing
- 2005-09-01 CN CNB2005800266220A patent/CN100547439C/zh active Active
- 2005-09-01 US US11/658,666 patent/US7667286B2/en active Active
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WO2006025496A1 (ja) | 2006-03-09 |
CN1993634A (zh) | 2007-07-04 |
EP1785750A1 (en) | 2007-05-16 |
JP2009157390A (ja) | 2009-07-16 |
US20080272454A1 (en) | 2008-11-06 |
CN100547439C (zh) | 2009-10-07 |
WO2006025496A8 (ja) | 2007-06-21 |
JP4531843B2 (ja) | 2010-08-25 |
JPWO2006025496A1 (ja) | 2008-05-08 |
US7667286B2 (en) | 2010-02-23 |
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