Patent EP0054359A1 successfully refreshed from Google Patents.
US3341753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic contacts for semiconductor devices
Assignee: Texas Instruments Inc
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Filing: 1964-10-21
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Granted: 1967-09-12
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Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 James A Cunningham
- 👤 Robert P Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:47
CPC Classifications
H; H10; H10P; H10P95/00; H10W; H10W20/00; H10W20/40; H10W20/41; H10W20/425; H10W72/00; H10W72/90; H10W72/01; H10W72/019; H10W72/01931; H10W72/01938; H10W72/01951; H10W72/071; H10W72/075; H10W72/50; H10W72/531; H10W72/536; H10W72/5363; H10W72/551; H10W72/552; H10W72/5522; H10W72/5524; H10W72/59; H10W72/921; H10W72/923; H10W72/951; H10W72/952; H10W90/00; H10W90/701; H10W90/751; H10W90/753; H10W90/754; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12771; Y10T428/12806; Y10T428/12826
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A SEMICONDUCTOR DEVICE COMPRISING A SEMICONDUCTOR BODY AND A MULTILAYERED CONTACT CONSISTING OF A LAYER OF MOLYBEDUM CONTACTING SAID SEMICONDUCTOR BODY AND A LAYER OF ALUMINUM OVERLYING SAID LAYER OF MOLYBEDENUM.
References Cited (Backward Citations)
US3266127A
Cited
US3290570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |