Patent US3900883A successfully refreshed from Google Patents.
US3900883A
Expired / Lapsed
US
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Photoconductive cell matrix assembly
Assignee: Panasonic Holdings Corp
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Filing: 1973-09-28
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Granted: 1975-08-19
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Expires: 1993-09-28
Abstract
Abstract A photoconductive cell matrix assembly having an insulator substrate, a photoconductive layer formed on the substrate, and two electrodes connected to the photoconductive layer in a form of an X Y matrix, the improvement residing in the construction of the insulating layer at the crossing points of both X and Y connection lines.
Inventors
- 👤 Nobuo Hasegawa
- 👤 Toshio Yamashita
- 👤 Saburo Kitamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:19
CPC Classifications
H; H10; H10F; H10F39/00; H10F39/10; H10F39/12; H10F39/191; H10N; H10N97/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
133 words
A PHOTOCONDUCTIVE CELL MATRIX ASSEMBLY COMPRISING A CERAMIC SUBSTRATE HAVING ISLANDS OF PHOTOCONDUCTIVE LAYERS FORMED THEREON, A PAIR OF ELECTRODES SECURED TO EACH OF SAID ISLANDS, FIRST COMMON LINES CONNECTED ONE OF THE ELECTRODES ON SAID PHOTOCONDUCTIVE LAYES AND EXTENDING IN THE X AXIS DIRECTION OF THE MATRIX AND SECOND COMMON LINES CONNECTED THE OTHER OF THE ELECTRODES ON SAID PHOTOCONDUCTIVE LAYERS AND EXTENDING IN THE Y AXIS DIRECTION OF THE MATRIX, SAID FIRST AND SECOND COMMON LINES FORMING AN X-Y MATRIC NETWORK, WHERIN EACH OF SAID FIRST AND SECOND COMMON LINES FORMS A THREE/DEMENSIONAL CROSSING HAVING INTERPOSED THEREBETWEEN AN INSULATING LAYER OF A RESIN OF AN EPOXY FAMILY CONTAINING AT LEAST ONE OF THE GROUP CONSISTING OF QUARTZ SAND AND ALUMINA FINE POWDER AS A FILLER AT EACH OF THE CROSSING PORTIONS.
Claim 2
Dependent Claim
133 words
A PHOTOCONDUCTIVE CELL MATRIX ASSEMBLY COMPRISING A CERAMIC SUBSTRATE HAVING ISLANDS OF PHOTOCONDUCTIVE LAYERS FORMED THEREON, A PAIR OF ELECTRODES SECURED TO EACH OF SAID ISLANDS, FIRST COMMON LINES CONNECTED ONE OF THE ELECTRODES ON SAID PHOTOCONDUCTIVE LAYES AND EXTENDING IN THE X AXIS DIRECTION OF THE MATRIX AND SECOND COMMON LINES CONNECTED THE OTHER OF THE ELECTRODES ON SAID PHOTOCONDUCTIVE LAYERS AND EXTENDING IN THE Y AXIS DIRECTION OF THE MATRIX, SAID FIRST AND SECOND COMMON LINES FORMING AN X-Y MATRIC NETWORK, WHERIN EACH OF SAID FIRST AND SECOND COMMON LINES FORMS A THREE/DEMENSIONAL CROSSING HAVING INTERPOSED THEREBETWEEN AN INSULATING LAYER OF A RESIN OF AN EPOXY FAMILY CONTAINING AT LEAST ONE OF THE GROUP CONSISTING OF QUARTZ SAND AND ALUMINA FINE POWDER AS A FILLER AT EACH OF THE CROSSING PORTIONS.
Claim 3
Dependent Claim
21 words
A photoconductive cell matrix assembly as claimed in claim 1, wherein said insulating layer is formed by a screen printing method.
Claim 4
Dependent Claim
31 words
A photoconductive cell matrix assembly as claimed in claim 1, characterized in that the diameter of the particles of said filler is within the range from 1 to 10 Mu .
Claim 5
Dependent Claim
26 words
A photoconductive cell matrix assembly as claimed in claim 1, characterized in that the content of said filler is from 40 to 80 percent by weight.
Claim 6
Dependent Claim
26 words
A photoconductive cell matrix assembly as claimed in claim 3, characterized in that the content of said filler is from 40 to 80 percent by weight.
Claim 7
Dependent Claim
23 words
A photoconductive cell matrix assembly as claimed in claim 1, characterized in that the resin of an epoxy family is an epoxy resin.
References Cited (Backward Citations)
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US3560256A
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US3622384A
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US3615949A
Cited
US3602635A
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US3779841A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-18 | 1979-02-17 | 1979-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-18 | 1983-02-17 | 1983-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-18 | 1987-02-17 | 1987-08-19 | $7700.00 | Window Closed / Lapsed |