US3208022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High performance photoresistor
Assignee: Texas Instruments Inc
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Filing: 1963-12-23
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Granted: 1965-09-21
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Yro T Sihvonen
- 👤 Sidney G Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:49
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/301; C; C04; C04B; C04B28/00; C04B28/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PHOTORESISTOR COMPRISING: (A) AN INSULATING SUBSTRATE, (B) A THIN FILM OF HOMOGENEOUS PHOTOSENSITIVE MATERIAL CONTIGUOUS WITH SAID SUBSTRATE, (C) SAID HOMOGENEOUS PHOTOCONDUCTIVE MATERIAL CONSISTING ESSENTIALLY OF 60 TO 70 MOL PERCENT CDS, 20 TO 30 MOL PERCENT CDSE, 1 TO 8 MOL PERCENT CDCL2, AND FROM 0.01 TO 0.05 MOL PERCENT CUCL2, (D) SPACED METAL ELECTRODES CONNECTED TO SAID THIN FILM OF PHOTOSENSITIVE MATERIAL, (E) ENCAPSULATION MEANS COMPLETELY SURROUNDING SAID PHOTORESISTOR EXCEPTING FOR EXPOSED ELECTRICAL CONDUCTING MEANS MAKING CONNECTION TO SAID THIN FILM OF PHOTOSENSITIVE MATERIAL.
Claim 2
Dependent Claim
87 words
A PHOTORESISTOR COMPRISING: (A) AN INSULATING SUBSTRATE, (B) A THIN FILM OF HOMOGENEOUS PHOTOSENSITIVE MATERIAL CONTIGUOUS WITH SAID SUBSTRATE, (C) SAID HOMOGENEOUS PHOTOCONDUCTIVE MATERIAL CONSISTING ESSENTIALLY OF 60 TO 70 MOL PERCENT CDS, 20 TO 30 MOL PERCENT CDSE, 1 TO 8 MOL PERCENT CDCL2, AND FROM 0.01 TO 0.05 MOL PERCENT CUCL2, (D) SPACED METAL ELECTRODES CONNECTED TO SAID THIN FILM OF PHOTOSENSITIVE MATERIAL, (E) ENCAPSULATION MEANS COMPLETELY SURROUNDING SAID PHOTORESISTOR EXCEPTING FOR EXPOSED ELECTRICAL CONDUCTING MEANS MAKING CONNECTION TO SAID THIN FILM OF PHOTOSENSITIVE MATERIAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |