US3296501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic ceramic composite contacts for semiconductor devices
Assignee: Westinghouse Electric Corp
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Filing: 1962-11-07
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Granted: 1967-01-03
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Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 David L Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:10
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/62; H10W70/63; H10W70/635; H10W40/00; H10W40/20; H10W40/25; H10W40/257; H10W70/01; H10W70/05; H10W70/095; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49174
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A RELATIVELY FLAT, CERAMIC MEMBER SUITABLE FOR USE IN A SEMICONDUCTOR DEVICE AS A CONTACT MEMBER FOR A SEMICONDUCTOR WAFER, THE MEMBER HAVING A PLURALITY OF APERATURES CONTAINED THEREIN, A METALIZE COATING DISPOSED ON ALL EXPOSED SURFACES OF THE CERAMIC MEMBER INCLUDING THE WALL SURFACES OF THE APERTURES, AN ELECTRICALLY CONDUCTIVE METAL DISPOSED IN, AND COMPLETELY FILLING THE APERTURES, THE MEMBER BEING CAPABLE OF CONDUCTING ELECTRICITY READILY AND DISSIPATING HEAT RAPIDLY.
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |