US3195026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically enclosed semiconductor device
Assignee: Westinghouse Electric Corp
•
Filing: 1962-09-21
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Granted: 1965-07-13
•
Expires: 1982-09-21
Abstract
No abstract record available.
Inventors
- 👤 Mary W Wegner
- 👤 Kendall K Conger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:00
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/20; H10W76/00; H10W76/10; H10W76/12; H10W76/15; H10W76/157; H10W90/00; H10W72/50; H10W72/541; H10W72/5449; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A SEMICONDUCTOR DEVICE COMPRISING A RELATIVELY THIN, SUBSTANTIALLY FLAT BASE MEMBER OF GOOD THERMAL CONDUCTIVITY AND HAVING A PLURALITY VERTICALLY DISPOSED TERMINAL PINS PASSING THERETHROUGH, A FLANGED METALLIC FRAME MEMBER DISPOSED ON AND JOINED TO THE OUTER PERIPHERY OF THE UPPER SURFACE OF THE BASE MEMBER, AT LEAST ONE SEMICONDUCTOR ELEMENT JOINED TO THE UPPER SURFACE OF THE BASE MEMBER WITHIN THE FRAME MEMBER AND HAVING PORTIONS ELECTRICALLY CONNECTED TO ONE END OF THE TERMINAL PINS, THE THERMAL EXPANSION CHARACTERISTICS OF THE BASE MEMBER AND THE SEMICONDUCTOR MEMBER BEING CLOSELY SIMILAR, A PLURALITY OF FLAT SURFACED ELECTRICAL LEADS JOINED TO THE LOWER SURFACE OF THE BASE MEMBER AND ELECTRICALLY CONNECTED TO THE OTHER END OF EACH OF THE TERMINAL PINS AND A RELATIVELY FLAT, SUBSTANTIALLY THIN COVER PLATE JOINED TO THE FLANGE OF THE FRAME MEMBER TO PROVIDE A HERMETIC ENCLOSURE FOR THE SEMICONDUCTOR ELEMENT.
Claim 2
Dependent Claim
145 words
A SEMICONDUCTOR DEVICE COMPRISING A RELATIVELY THIN, SUBSTANTIALLY FLAT BASE MEMBER OF GOOD THERMAL CONDUCTIVITY AND HAVING A PLURALITY VERTICALLY DISPOSED TERMINAL PINS PASSING THERETHROUGH, A FLANGED METALLIC FRAME MEMBER DISPOSED ON AND JOINED TO THE OUTER PERIPHERY OF THE UPPER SURFACE OF THE BASE MEMBER, AT LEAST ONE SEMICONDUCTOR ELEMENT JOINED TO THE UPPER SURFACE OF THE BASE MEMBER WITHIN THE FRAME MEMBER AND HAVING PORTIONS ELECTRICALLY CONNECTED TO ONE END OF THE TERMINAL PINS, THE THERMAL EXPANSION CHARACTERISTICS OF THE BASE MEMBER AND THE SEMICONDUCTOR MEMBER BEING CLOSELY SIMILAR, A PLURALITY OF FLAT SURFACED ELECTRICAL LEADS JOINED TO THE LOWER SURFACE OF THE BASE MEMBER AND ELECTRICALLY CONNECTED TO THE OTHER END OF EACH OF THE TERMINAL PINS AND A RELATIVELY FLAT, SUBSTANTIALLY THIN COVER PLATE JOINED TO THE FLANGE OF THE FRAME MEMBER TO PROVIDE A HERMETIC ENCLOSURE FOR THE SEMICONDUCTOR ELEMENT.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |