US3109938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor device having a gas-discharge type switching characteristic
Assignee: Rauland Borg Corp
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Filing: 1958-03-19
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Granted: 1963-11-05
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Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 Adolph J Wolski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:49
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H10; H10D; H10D99/00; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A SEMI-CONDUCTOR DEVICE HAVING A GAS-DISCHARGE TYPE SWITCHING CHARACTERISTIC AND COMPRISING: A BODY OF EXTRINSIC N-TYPE GERMANIUM; A FIRST JUNCTION ON A FIRST SURFACE OF SAID BODY AND FORMED BY ALLOYING WITH SAID BODY A MATERIAL COMPRISING A FIRST MODIFIER OF N-TYPE CONDUCTIVITY AND A SECOND MODIFIER OF P-TYPE CONDUCTIVITY WITH SAID SECOND MODIFIER HAVING A SEGREGATION CONSTANT IN SAID GERMANIUM BODY GREATER THAN THAT OF SAID FIRST MODIFIER AND A DIFFUSION RATE IN SAID BODY MATERIAL LOWER THAN THAT OF SAID FIRST MODIFIER; AND A SECOND JUNCTION ON A SECOND SURFACE OF SAID BODY SPACED FROM SAID FIRST SURFACE, FORMED BY ALLOYING WITH SAID BODY A MATERIAL COMPRISING A FIRST
Claim 2
Dependent Claim
111 words
A SEMI-CONDUCTOR DEVICE HAVING A GAS-DISCHARGE TYPE SWITCHING CHARACTERISTIC AND COMPRISING: A BODY OF EXTRINSIC N-TYPE GERMANIUM; A FIRST JUNCTION ON A FIRST SURFACE OF SAID BODY AND FORMED BY ALLOYING WITH SAID BODY A MATERIAL COMPRISING A FIRST MODIFIER OF N-TYPE CONDUCTIVITY AND A SECOND MODIFIER OF P-TYPE CONDUCTIVITY WITH SAID SECOND MODIFIER HAVING A SEGREGATION CONSTANT IN SAID GERMANIUM BODY GREATER THAN THAT OF SAID FIRST MODIFIER AND A DIFFUSION RATE IN SAID BODY MATERIAL LOWER THAN THAT OF SAID FIRST MODIFIER; AND A SECOND JUNCTION ON A SECOND SURFACE OF SAID BODY SPACED FROM SAID FIRST SURFACE, FORMED BY ALLOYING WITH SAID BODY A MATERIAL COMPRISING A FIRST
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |