US3307089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device showing the effect of storing charges of single polarity
Assignee: Panasonic Holdings Corp
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Filing: 1964-03-10
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Granted: 1967-02-28
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Expires: 1984-03-10
Abstract
No abstract record available.
Inventors
- 👤 Yamashita Akio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/14; H05B33/145; G; G03; G03G; G03G15/00; G03G15/056; G03G5/00; G03G5/02; G03G5/024; G03G5/04; G03G5/08; G03G5/14; G03G5/142; G11; G11B; G11B9/00; G11B9/08; H01; H01B; H01B1/00; H01G; H01G7/00; H01G7/02; H01G7/028; H05B33/10; H05B33/20; H10; H10D; H10D99/00; H10F; H10F30/00; H10F30/20; H10F30/21; H10F30/28; H10F30/2823; H10F77/00; H10F77/10; H10F77/16; H10F77/162; H10F99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S430/00; Y10S430/001; Y10S430/102
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
54 words
A SEMICONDUCTOR DEVICE COMPOSED OF A MIXTURE OF AT LEAST A FIRST SEMICONDUCTOR AND A FIRST ELECTRICAL INSULATOR, A SECOND SEMICONDUCTOR BROUGHT INTO CONTACT WITH SAID MIXTURE, A SECOND ELECTRICAL INSULATOR DIRECTLY DISPOSED OVER SAID MIXTURE ON THE OPPOSITE SIDE FROM SAID SECOND SEMICONDUCTOR, AND AN ELECRODE IN CONTACT WITH SAID SECOND ELECTRICAL INSULATOR.
Claim 2
Dependent Claim
54 words
A SEMICONDUCTOR DEVICE COMPOSED OF A MIXTURE OF AT LEAST A FIRST SEMICONDUCTOR AND A FIRST ELECTRICAL INSULATOR, A SECOND SEMICONDUCTOR BROUGHT INTO CONTACT WITH SAID MIXTURE, A SECOND ELECTRICAL INSULATOR DIRECTLY DISPOSED OVER SAID MIXTURE ON THE OPPOSITE SIDE FROM SAID SECOND SEMICONDUCTOR, AND AN ELECRODE IN CONTACT WITH SAID SECOND ELECTRICAL INSULATOR.
Claim 3
Dependent Claim
26 words
A SEMICONDUCTOR DEVICE ACCORDING TO CLAIM 1 IN WHICH SAID MIXTURE FURTHER INCLUDES A METAL WHICH GENERATES A PHOTOLECTROMOTIVE FORCE IN COMBINATION WITH SAID FIRST SEMICONDUCTOR.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |