Patent US3261075A successfully refreshed from Google Patents.
US3261075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device
Assignee: CARMAN LAB Inc
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Filing: 1964-12-10
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Granted: 1966-07-19
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Justice N Carman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:34
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W74/43; H10W74/10; H10W74/131; H10W99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD OF MAKING A GLASS ENCAPSULATED SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR CRYSTAL BOUNDED BY A CIRCUMFERENTIAL EDGE AND HAVING AT LEAST ONE N-P JUNCTION TERMINATING AT SAID EDGE, WHICH COMPRISES BONDING CONDUCTIVE LEAD TO FACES OF SAID CRYSTAL ON OPPOSITE SIDES OF SAID JUNCTION BY MEANS OF A BONDING LAYER FUSING AT AVOVE 700*C., ENCLOSING THE CIRCUMFERENTIAL EDGE OF THE CRYSTAL WITH AN ENVELOPE OF GLASS HAVING A COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY MATCHING THAT OF THE CRYSTAL, AND HEATING THE GLASS-ENVELOPED ASSEMBLY OF LEADS
Claim 2
Independent Claim
86 words
THE METHOD OF MAKING A GLASS ENCAPSULATED SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR CRYSTAL BOUNDED BY A CIRCUMFERENTIAL EDGE AND HAVING AT LEAST ONE N-P JUNCTION TERMINATING AT SAID EDGE, WHICH COMPRISES BONDING CONDUCTIVE LEAD TO FACES OF SAID CRYSTAL ON OPPOSITE SIDES OF SAID JUNCTION BY MEANS OF A BONDING LAYER FUSING AT AVOVE 700*C., ENCLOSING THE CIRCUMFERENTIAL EDGE OF THE CRYSTAL WITH AN ENVELOPE OF GLASS HAVING A COEFFICIENT OF THERMAL EXPANSION SUBSTANTIALLY MATCHING THAT OF THE CRYSTAL, AND HEATING THE GLASS-ENVELOPED ASSEMBLY OF LEADS
References Cited (Backward Citations)
US3110080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |