US3124868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making semiconductor devices
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:29
CPC Classifications
H; H10; H10N; H10N52/00; H10N52/01; H10P; H10P14/00; H10P14/40; H10P14/46; H10P95/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD OF FORMING ELECTRICAL CONTACTS ON SEMICONDUCTOR ELEMENTS COMPRISING: FORMING A BAR OF SEMICONDUCTOR MATERIAL; FORMING A PAIR OF OPPOSED, PARALLEL, LONGITUDINAL GROOVES IN THE SAID BAR; FORMING A COATING OF ELECTRICALLY-CONDUCTIVE METAL METALLURIGICALLY BONDED TO THE WALLS DEFINING SAID GROOVES; SLICING THE BAR IN A PLANE PERPENDICULAR TO SAID GROOVES TO FORM A THIN SEMICONDUCTOR ELEMENT; AND SECURING ELECTRICAL ONTACTS TO THE COATING OF CONDUCTING METAL IN THE GROOVES OF SAID ELEMENT IN A MANNER TO ESTABLISH ELECTRICAL CONTINUITY THEREBETWEEN.
Claim 2
Independent Claim
82 words
A METHOD OF FORMING ELECTRICAL CONTACTS ON SEMICONDUCTOR ELEMENTS COMPRISING: FORMING A BAR OF SEMICONDUCTOR MATERIAL; FORMING A PAIR OF OPPOSED, PARALLEL, LONGITUDINAL GROOVES IN THE SAID BAR; FORMING A COATING OF ELECTRICALLY-CONDUCTIVE METAL METALLURIGICALLY BONDED TO THE WALLS DEFINING SAID GROOVES; SLICING THE BAR IN A PLANE PERPENDICULAR TO SAID GROOVES TO FORM A THIN SEMICONDUCTOR ELEMENT; AND SECURING ELECTRICAL ONTACTS TO THE COATING OF CONDUCTING METAL IN THE GROOVES OF SAID ELEMENT IN A MANNER TO ESTABLISH ELECTRICAL CONTINUITY THEREBETWEEN.
References Cited (Backward Citations)
US1378501A
Cited
US2297488A
Cited
US2865082A
Cited
US2898528A
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US2996800A
Cited
US2916806A
Cited
US2967344A
Cited
US2944321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |