EP0154962A2
Expired / Lapsed
EP
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Image sensor
Assignee: Hitachi Ltd
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Filing: 1985-03-11
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Granted: —
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Expires: 2005-03-11
Abstract
Abstract An image sensor comprises a transparent substrate (56; 57; 80; 81), an optical lens (58; 70; 98; 96) formed integrally in one major surface of the transparent substrate, and a photosensor (50; 90) provided on the side of the other major surface of the transparent substrate and having output electrodes, wherein light incident on the optical lens is focused by the lens onto the photosensor through the transparent substrate.
Inventors
- 👤 Satoshi Shimada
- 👤 Kanji Kawakami
- 👤 Masaharu Tadauchi
- 👤 Motohisa Nishihara
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 21:15
CPC Classifications
H; H10; H10F; H10F39/00; H10F39/80; H10F39/806; H10F39/8063; H04; H04N; H04N1/00; H04N1/024; H04N1/028; H04N1/03; H04N1/031; H04N1/0315; H04N1/0316; G; G02; G02B; G02B6/00; G02B6/10; G02B6/12; G02B6/122; G02B6/124; G02B6/1245; H04N1/0311; H04N23/00; H04N23/50; H04N23/54; H10F39/10; H10F39/12; H10F39/18; H10F39/805; H10F39/8057
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
69 words
An image sensor, comprising: a transparent substrate (56; 57; 80; 81); an optical lens (58; 70; 98; 96) formed integrally in one major surface of said transparent substrate; and a photosensor (50; 90) provided on the side of the other major surface of said transparent substrate and having output electrodes; wherein light incident on said optical lens is focused by said lens onto said photosensor through said transparent substrate.
Claim 2
Dependent Claim
69 words
An image sensor, comprising: a transparent substrate (56; 57; 80; 81); an optical lens (58; 70; 98; 96) formed integrally in one major surface of said transparent substrate; and a photosensor (50; 90) provided on the side of the other major surface of said transparent substrate and having output electrodes; wherein light incident on said optical lens is focused by said lens onto said photosensor through said transparent substrate.
Claim 3
Dependent Claim
29 words
An image sensor according to claim 1, wherein said photosensor (90) is constituted by a thin-film type photosensor formed in the other major surface of said transparent substrate (80).
Claim 4
Dependent Claim
34 words
An image sensor according to claim 2, wherein said transparent substrate (80; 81) is formed of a material which transmits light beam of a frequency falling within a range of photosensitivity of said photosensor.
Claim 5
Dependent Claim
34 words
An image sensor according to claim 3, wherein said optical lens (98) is constituted by a convex lens which is formed by doping metal ions in said one major surface of said transparent substrate.
Claim 6
Dependent Claim
29 words
An image sensor according to claim 3, wherein said optical lens is constituted by a Fresnel lens (96) formed in said one major surface of said transparent substrate (81).
Claim 7
Dependent Claim
48 words
An image sensor according to claim 1, wherein said photosensor (50) is constituted by a thin-film type photosensor formed in one major surface of a transparent plate (40), the other major surface of said transparent substrate (56; 57) and said photosensor formed in said transparent being bonded together.
Claim 8
Dependent Claim
39 words
An image sensor according to claim 6, wherein said transparent substrate (56, 57) and said transparent plate (40) are formed of a material which transmits light beam of a frequency falling within a range of photosensitivity of said photosensor.
Claim 9
Dependent Claim
35 words
An image sensor according to claim 7, wherein said optical lens is constituted by a convex lens (58) which is formed by doping metal ions in said one major surface of said transparent substrate (56).
Claim 10
Dependent Claim
29 words
An image sensor according to claim 7, wherein said optical lens is constituted by a Fresnel lens (70) formed in said one major surface of said transparent substrate (57).
Claim 11
Dependent Claim
19 words
An image sensor according to claim 5 or 9, wherein said Fresnel lens (70) is formed through photolithography process.
Claim 12
Dependent Claim
99 words
An image sensor, comprising: a transparent substrate (56; 57; 80; 81); a plurality of optical lenses (58; 70; 96; 98) formed integrally in one major surface of said transparent substrate and arrayed in a row; and a plurality of photosensors (50; 90) arrayed in a row on the side of the other major surface of said transparent substrate and provided in correspondence to said plurality of optical lenses, respectively, each of said photosensors having output electrodes; wherein light incident on said plurality of optical lenses is focused by said lenses onto the corresponding photosensors, respectively, through said transparent substrate.
Claim 13
Dependent Claim
99 words
An image sensor, comprising: a transparent substrate (56; 57; 80; 81); a plurality of optical lenses (58; 70; 96; 98) formed integrally in one major surface of said transparent substrate and arrayed in a row; and a plurality of photosensors (50; 90) arrayed in a row on the side of the other major surface of said transparent substrate and provided in correspondence to said plurality of optical lenses, respectively, each of said photosensors having output electrodes; wherein light incident on said plurality of optical lenses is focused by said lenses onto the corresponding photosensors, respectively, through said transparent substrate.
Claim 14
Dependent Claim
31 words
An image sensor according to claim 11, wherein said transparent substrate is formed of a material which transmits light beam of a frequency falling within range of photosensitivity of said photosensor.
Claim 15
Dependent Claim
31 words
An image sensor according to claim 12, wherein each of said photosensors (90) is constituted by a thin-film type photosensor formed in the other major surface of said transparent substrate (80).
Claim 16
Dependent Claim
50 words
An image sensor according to claim 12, wherein each of said photosensors (50) is constituted by a thin-film photosensor formed in one major surface of a transparent plate (40), the other major surface of said transparent substrate (56; 57) and said photosensor formed in said trapsnarent plate are bonded together.
Claim 17
Dependent Claim
41 words
An image sensor according to claim 13 or 14, wherein each of said optical lenses is constituted by a convex lens (58; 98) which is formed by doping metal ions in said one major surface of said transparent substrate (57; 81).
Claim 18
Dependent Claim
35 words
An image sensor according to claim 13 or 14, wherein each of said optical lenses is constituted by a Fresnel lens (70; 96) formed in said one major surface of said transparent substrate (57; 81).
Claim 19
Dependent Claim
16 words
An image sensor according to claim 16, wherein said Fresnel lenses are formed through photolithography process.
Claim 20
Independent Claim
63 words
A method of fabricating an image sensor, comprising steps of: forming an optical lens (98; 96) integrally in one major surface of a transparent substrate (80; 81); and forming a photosensor (90) having output electrodes on the other major surface of said transparent substrate; whereby light incident on said optical lens is focused by said lens onto said photosensor through said transparent substrate.
Claim 21
Independent Claim
63 words
A method of fabricating an image sensor, comprising steps of: forming an optical lens (98; 96) integrally in one major surface of a transparent substrate (80; 81); and forming a photosensor (90) having output electrodes on the other major surface of said transparent substrate; whereby light incident on said optical lens is focused by said lens onto said photosensor through said transparent substrate.
Claim 22
Dependent Claim
19 words
An image sensor fabricating method according to claim 18, wherein said photosensor is constituted by a thin-film type photosensor.
Claim 23
Dependent Claim
37 words
An image sensor fabricating method according to claim 18, wherein said optical lens (98) is constituted by a convex lens which is formed by doping metal ions in said one major surface of said transparent substrate (80).
Claim 24
Dependent Claim
24 words
An image sensor fabricating method according to claim 18, wherein said optical lens is constituted by a Fresnel lens (96) formed through photolithography process.
Claim 25
Independent Claim
83 words
A method of fabricating an image sensor, comprising steps of: forming an optical lenses (58; 70) integrally in one major surface of a transparent substrate (56; 57); forming photosensors (50) each having output electrodes in one major surface of a transparent plate (40; 41); and bonding together said one major surface of said transparent plate and the other major surface of said transparent substrate; whereby light incident on said optical lenses is focussed by said lenses onto said photosensors through said transparent substrate.
Claim 26
Independent Claim
83 words
A method of fabricating an image sensor, comprising steps of: forming an optical lenses (58; 70) integrally in one major surface of a transparent substrate (56; 57); forming photosensors (50) each having output electrodes in one major surface of a transparent plate (40; 41); and bonding together said one major surface of said transparent plate and the other major surface of said transparent substrate; whereby light incident on said optical lenses is focussed by said lenses onto said photosensors through said transparent substrate.
Claim 27
Dependent Claim
19 words
An image sensor fabricating method according to claim 22, wherein said photosensor is constituted by a thin-film type photosensor.
Claim 28
Dependent Claim
37 words
An image sensor fabricating method according to claim 22, wherein said optical lens is constituted by a convex lens (58) which is formed by doping metal ions in said one major surface of said transparent substrate (56).
Claim 29
Dependent Claim
24 words
An image sensor fabricating method according to claim 22, wherein said optical lens is constituted by a Fresnel lens (70) formed through photolightography process.
References Cited (Backward Citations)
No citation records indexed.
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