US3024519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold weld semiconductor housing
Assignee: Bendix Corp
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Filing: 1960-07-19
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Granted: 1962-03-13
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Expires: 1980-07-19
Abstract
No abstract record available.
Inventors
- 👤 Leinkram Charles Zachary
- 👤 Scholer Henry Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:58
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/60; H10W72/00; H10W76/10; H10W76/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD OF FABRICATING A SEMICONDUCTOR DEVICE COMPRISING BRAZING A COPPER DISC AND A STEEL WELD RING TO A COPPER PLATFORM, MOUNTING A SEMICONDUCTOR WAFER ON A COPPER DISC, PLACING A CAP OVER SAID DISC, AND SUPPLYING PRESSURE AGAINST SAID WELD RING TO CAUSE SAID CAP AND COPPER DISC TO FLOW TOGETHER TO FROM A SEAL THEREBETWEEN.
Claim 2
Independent Claim
57 words
A METHOD OF FABRICATING A SEMICONDUCTOR DEVICE COMPRISING BRAZING A COPPER DISC AND A STEEL WELD RING TO A COPPER PLATFORM, MOUNTING A SEMICONDUCTOR WAFER ON A COPPER DISC, PLACING A CAP OVER SAID DISC, AND SUPPLYING PRESSURE AGAINST SAID WELD RING TO CAUSE SAID CAP AND COPPER DISC TO FLOW TOGETHER TO FROM A SEAL THEREBETWEEN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |