US3343049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices and passivation thereof
Assignee: International Business Machines Corp
•
Filing: 1964-06-18
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Granted: 1967-09-19
•
Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 William H Miller
- 👤 Barson Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:27
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/131; H10D; H10D99/00; H10P; H10P10/00; H10P14/00; H10P14/60; H10P14/65; H10P14/6516; H10P14/6518; H10P14/66; H10P14/662; H10P14/69; H10P14/692; H10P14/6921; H10P14/69215; H10W74/01; H10W74/40; H10W74/43; H10P14/63; H10P14/6302; H10P14/6324; H10P14/6922; H10P14/6923; Y; Y10; Y10S; Y10S148/00; Y10S148/043; Y10S148/053; Y10S148/062; Y10S148/118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR MEMBER; AN INSULATING LAYER COTERMINOUS WITH AND LOCATED ON A SURFACE PORTION OF SAID MEMBER; MEANS COUPLED TO SAID DEVICE PRODUCING AN ELECTRIC FIELD IN SAID MEMBER AND SAID LAYER; AND MEANS FOR IMPROVING THE STABILITY OF SAID DEVICE COMPRISING A PASSIVATING VITREOUS FILM DISPOSED ON AND COTERMINOUS WITH SAID LAYER, SAID FILM CONSISTING OF AN OXIDE AND PHOSPHOROUS PENTOXIDE.
Claim 2
Dependent Claim
66 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR MEMBER; AN INSULATING LAYER COTERMINOUS WITH AND LOCATED ON A SURFACE PORTION OF SAID MEMBER; MEANS COUPLED TO SAID DEVICE PRODUCING AN ELECTRIC FIELD IN SAID MEMBER AND SAID LAYER; AND MEANS FOR IMPROVING THE STABILITY OF SAID DEVICE COMPRISING A PASSIVATING VITREOUS FILM DISPOSED ON AND COTERMINOUS WITH SAID LAYER, SAID FILM CONSISTING OF AN OXIDE AND PHOSPHOROUS PENTOXIDE.
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |