US3083302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative resistance semiconductor device
Assignee: International Business Machines Corp
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Filing: 1958-12-15
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Granted: 1963-03-26
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Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 Richard F Rutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:05
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/35; H03K3/352; H03K3/313; H10; H10D; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A HOOK-TYPE SEMI-CONDUCTOR DEVICE COMPRISING A PLURALITY OF ALTERNATE REGIONS OF OPPOSITE CONDUCTIVITY TYPES OF SEMI-CONDUCTOR MATERIAL CONNECTED IN SERIES DEFINING JUNCTIONS THEREBETWEEN, MEANS PROVIDING A FIRST REVERSE BIASED JUNCTION HAVING A FIRST BREAKDOWN POTENTIAL BETWEEN A FIRST AND A SECOND OPPOSITE CONDUCTIVITY TYPE REGION, MEANS PROVIDING A SECOND REVERSE BIASED JUNCTION HAVING A SECOND BREAKDOWN POTENTIAL BETWEEN SAID FIRST AND A THIRD OPPOSITE CONDUCTIVITY TYPE REGION, SAID FIRST BREAKDOWN POTENTIAL BEING GREATER THAN SAID SECOND BREAKDOWN POTENTIAL, THE RESISTANCE OF SAID FIRST REGION
Claim 2
Dependent Claim
84 words
A HOOK-TYPE SEMI-CONDUCTOR DEVICE COMPRISING A PLURALITY OF ALTERNATE REGIONS OF OPPOSITE CONDUCTIVITY TYPES OF SEMI-CONDUCTOR MATERIAL CONNECTED IN SERIES DEFINING JUNCTIONS THEREBETWEEN, MEANS PROVIDING A FIRST REVERSE BIASED JUNCTION HAVING A FIRST BREAKDOWN POTENTIAL BETWEEN A FIRST AND A SECOND OPPOSITE CONDUCTIVITY TYPE REGION, MEANS PROVIDING A SECOND REVERSE BIASED JUNCTION HAVING A SECOND BREAKDOWN POTENTIAL BETWEEN SAID FIRST AND A THIRD OPPOSITE CONDUCTIVITY TYPE REGION, SAID FIRST BREAKDOWN POTENTIAL BEING GREATER THAN SAID SECOND BREAKDOWN POTENTIAL, THE RESISTANCE OF SAID FIRST REGION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |