US3201665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state devices constructed from semiconductive whishers
Assignee: Union Carbide Corp
•
Filing: 1961-11-20
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Granted: 1965-08-17
•
Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 John D Venables
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:13
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/40; H10D99/00; Y; Y10; Y10S; Y10S264/00; Y10S264/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A SEMICONDUCTOR DEVICE COMPRISING: A WHISKER OF SEMICONDUCTOR MATERIAL OF ONE CONDUCTIVITY TYPE, SAID WHISKER HAVING A DIAMETER IN THE RANGE OF ABOUT 10 MICRONS TO ABOUT 1000 MICRONS, A HEXAGONAL CROSS SECTION AND SIX LONGITUDINAL FACES; A REGION OF OPPOSITE CONDUCTIVITY TYPE COVERING SUBSTANTIALLY THE ENTIRE SURFACE OF ONE OF SAID LONGITUDINAL FACES AND FORMING A RECTIFYING CONTACT THEREWITH; AND TWO OHMIC CONTACTS ONE ON EACH OF THE OTHER NON-ADJACENT LONGITUDINAL FACES AND EACH OHMIC CONTACT COVERING SUBSTANTIALLY THE ENTIRE SURFACE OF EACH SAID FACE.
Claim 2
Dependent Claim
86 words
A SEMICONDUCTOR DEVICE COMPRISING: A WHISKER OF SEMICONDUCTOR MATERIAL OF ONE CONDUCTIVITY TYPE, SAID WHISKER HAVING A DIAMETER IN THE RANGE OF ABOUT 10 MICRONS TO ABOUT 1000 MICRONS, A HEXAGONAL CROSS SECTION AND SIX LONGITUDINAL FACES; A REGION OF OPPOSITE CONDUCTIVITY TYPE COVERING SUBSTANTIALLY THE ENTIRE SURFACE OF ONE OF SAID LONGITUDINAL FACES AND FORMING A RECTIFYING CONTACT THEREWITH; AND TWO OHMIC CONTACTS ONE ON EACH OF THE OTHER NON-ADJACENT LONGITUDINAL FACES AND EACH OHMIC CONTACT COVERING SUBSTANTIALLY THE ENTIRE SURFACE OF EACH SAID FACE.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |