Patent US3184831A successfully refreshed from Google Patents.
US3184831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing an electric contact with a semiconductor device
Assignee: Siemens and Halske AG
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Filing: 1961-11-07
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Granted: 1965-05-25
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Expires: 1981-11-07
Abstract
No abstract record available.
Inventors
- 👤 Siebertz Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:33
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/328; H10; H10D; H10D62/00; H10D62/10; H10D62/117; H10P; H10P95/00; H10W; H10W99/00; H05K2203/00; H05K2203/04; H05K2203/0495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF CONNECTING A CONDUCTING METAL PART TO A GIVEN CONDUCTING METALLIC SPOT OF A SEMICONDUCTOR DEVICE, WHICH COMPRISES PLACING BETWEEN THE METAL PART AND SAID METALLIC SPOT A SOLID BODY OF PLASTICALLY DEFORMABLE AND ELECTRICALLY GOOD CONDUCTING METAL OF SUBSTANTIALLY SPHERICAL SHAPE, AND COMPRESSING THE BODY BETWEEN THE PART AND THE DEVICE UNDER SUFFICIENT PRESSURE TO PLASTICALLY DEFORM AND COLD-WELD THE BODY TO THE PART AND THE SPOT, WHEREBY THE PART IS FIRMLY CONNECTED MECHANICALLY AND ELECTRICALLY WITH THE DEVICE AT SAID SPOT.
Claim 2
Independent Claim
85 words
THE METHOD OF CONNECTING A CONDUCTING METAL PART TO A GIVEN CONDUCTING METALLIC SPOT OF A SEMICONDUCTOR DEVICE, WHICH COMPRISES PLACING BETWEEN THE METAL PART AND SAID METALLIC SPOT A SOLID BODY OF PLASTICALLY DEFORMABLE AND ELECTRICALLY GOOD CONDUCTING METAL OF SUBSTANTIALLY SPHERICAL SHAPE, AND COMPRESSING THE BODY BETWEEN THE PART AND THE DEVICE UNDER SUFFICIENT PRESSURE TO PLASTICALLY DEFORM AND COLD-WELD THE BODY TO THE PART AND THE SPOT, WHEREBY THE PART IS FIRMLY CONNECTED MECHANICALLY AND ELECTRICALLY WITH THE DEVICE AT SAID SPOT.
References Cited (Backward Citations)
US1128175A
Cited
US1744810A
Cited
US1936018A
Cited
US2545352A
Cited
US2754065A
Cited
US2888614A
Cited
US3006067A
Cited
US2996800A
Cited
US3024299A
Cited
US3015884A
Cited
US3028663A
Cited
US3075282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |