USRE27775E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric induced i -n junction devices
Assignee: —
•
Filing: 1971-02-05
•
Granted: 1973-10-09
•
Expires: 1991-02-05
Abstract
Abstract PHOTO EMITTING OR ELSE PHOTOSENSITIVE DEVICES ARE CONSTRUCTED FROM THE P-N JUNCTION BETWEEN P- AND N-REGIONS INDUCES IN A HIGH RESISTIVITY SEMICONDUCTING BODY BY MEANS OF ELECTRIC FIELDS APPLIED BETWEEN SAID BODY AND ELECTRODE PAIRS SEPARATED FROM THIS BODY BY AN INSULATING FILM. PROVISIONS ARE MADE FOR SHIFTING THE INDUCED P- AND N-REGIONS IN THE UNDERLYING BODY TO DIFFERENT POSITIONS FOR ADAPTION TO DESIRED CIRCUIT FUNCTIONS.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:54
CPC Classifications
H; H10; H10H; H10H20/00; H10H20/062; B; B01; B01J; B01J7/00; B01J7/02; H10D; H10D44/00; H10D44/40; H10D44/45; H10D99/00; H10F; H10F30/00; H10F30/20; H10F30/21; H10F30/28; H10F30/2823; H10F39/00; H10F39/10; H10F39/12; H10F39/18; H10F99/00; H10H20/80
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |