Patent US3386906A successfully refreshed from Google Patents.
US3386906A
Expired / Lapsed
US
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Transistor base and method of making the same
Assignee: US Philips Corp
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Filing: 1965-11-26
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Granted: 1968-06-04
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Robert L Bronnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:28
CPC Classifications
H; H10; H10P; H10P95/00; C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; C03C17/40; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/52; C04B41/80; C04B41/81; C04B41/89; C23; C23C; C23C14/00; C23C14/02; H01; H01B; H01B1/00; H10W; H10W70/00; H10W70/60; H10W70/62; H10W70/66; H10W72/00; H10W72/30; H10W72/071; H10W72/073; H10W72/07331; H10W72/07337; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/938; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12528
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF MANUFACTURING A CONDUCTIVE BASE FOR A SEMI-CONDUCTIVE BODY COMPRISING THE STEPS OF DEPOSITING ON THE SURFACE OF A CERAMIC BODY BY CATHODIC SPUTTERING SUCCESSIVE LAYERS OF NIOBIUM AND NICKEL, HEATING THE SOCOATED SURFACE OF THE CERAMIC IN A NON-OXIDIZING ATMOSPHERE TO INTERDIFFUSE THE NIOBIUM AND NICKEL, AND APPLYING TO THE SO-COATED SURFACE A LAYER OF GOLD BY CATHODIC SPUTTERING.
Claim 2
Independent Claim
62 words
A METHOD OF MANUFACTURING A CONDUCTIVE BASE FOR A SEMI-CONDUCTIVE BODY COMPRISING THE STEPS OF DEPOSITING ON THE SURFACE OF A CERAMIC BODY BY CATHODIC SPUTTERING SUCCESSIVE LAYERS OF NIOBIUM AND NICKEL, HEATING THE SOCOATED SURFACE OF THE CERAMIC IN A NON-OXIDIZING ATMOSPHERE TO INTERDIFFUSE THE NIOBIUM AND NICKEL, AND APPLYING TO THE SO-COATED SURFACE A LAYER OF GOLD BY CATHODIC SPUTTERING.
References Cited (Backward Citations)
US3208835A
Cited
US3218194A
Cited
US3239376A
Cited
US3256588A
Cited
US3324019A
Cited
US3325258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |