Patent US1965273A successfully refreshed from Google Patents.
US3258663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state device with gate electrode on thin insulative film
Assignee: —
•
Filing: 1961-08-17
•
Granted: 1966-06-28
•
Expires: 1981-08-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:58
CPC Classifications
H; H10; H10D; H10D30/00; H10D30/60; H10D30/67; H10D30/674; H10D30/6755; H10D30/202; H10D30/6741; H10D30/6743; H10D30/6744; H10D99/00; H10P; H10P10/00; H10P10/12; Y; Y10; Y10S; Y10S148/00; Y10S148/053; Y10S148/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A SOLID STATE DEVICE COMPRISING A LAYER OF SEMICONDUCTIVE MATERIAL OF A SINGLE CONDUCTIVITY TYPE DEPOSITIONED ON AN INSULATING SUPPORT; AT LEAST TWO ELECTRODES ON SAID LAYER, SAID ELECTRODES HAVING A SEPARATION OF LESS THAN 100 MICRONS THEREBETWEEN; A FILM OF HIGH-RESISTIVITY MATERIAL LESS THAN TWO MICRONS THICK ON AT LEAST A PORTION OF SAID LAYER EXTENDING OVER AT LEAST PART OF SAID SEPARATION, SAID FILM HAVING A BANDGAP AND A RESISTIVITY GREATER THAN THAT OF SAID SEMICONDUCTIVE LAYER;
Claim 2
Dependent Claim
79 words
A SOLID STATE DEVICE COMPRISING A LAYER OF SEMICONDUCTIVE MATERIAL OF A SINGLE CONDUCTIVITY TYPE DEPOSITIONED ON AN INSULATING SUPPORT; AT LEAST TWO ELECTRODES ON SAID LAYER, SAID ELECTRODES HAVING A SEPARATION OF LESS THAN 100 MICRONS THEREBETWEEN; A FILM OF HIGH-RESISTIVITY MATERIAL LESS THAN TWO MICRONS THICK ON AT LEAST A PORTION OF SAID LAYER EXTENDING OVER AT LEAST PART OF SAID SEPARATION, SAID FILM HAVING A BANDGAP AND A RESISTIVITY GREATER THAN THAT OF SAID SEMICONDUCTIVE LAYER;
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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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |