US3097976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor alloying process
Assignee: Sprague Electric Co
•
Filing: 1959-07-06
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Granted: 1963-07-16
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Lehovec Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:01
CPC Classifications
H; H10; H10P; H10P95/00; H10P95/50; C; C22; C22F; C22F3/00; C30; C30B; C30B31/00; C30B31/04; H10D; H10D62/00; H10D62/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A PROCESS OF PRODUCING AN ALLOY JUNCTION IN A SEMICONDUCTOR BODY, AND THE ATTACHMENT OF A LEAD WIRE IN INTERRELATED STEPS, THE STEPS COMPRISING PROVIDING A PLURALITY OF CLOSELY SPACED CAPILLARIES, CONNECTING SAID CAPILLARIES TO A RESERVOIR OF A MOLTEN MATERIAL CAPABLE OF CHANGING THE CONDUCTIVITY OF A SEMICONDUCTOR BODY, POSITIONING A SEMICONDUCTOR BODY WITHIN ONE CAPILLARY DIAMETER OF SAID PLURALITY OF CAPILLARIES, PASSING A WIRE THROUGH AT LEAST ONE OF SAID CAPILLARIES, EXERTING PRESSURE ON SAID MOLTEN MATERIAL TO FORCE SAID MATERIAL THROUGH AT LEAST ONE OF SAID CAPILLARIES INTO CONTACT WITH SAID SEMICONDUCTOR BODY AND SAID LEAD WIRE AND THEREBY DISSOLVING THE CONTACTED PORTION OF SAID SEMICONDUCTOR BODY IN SAID
Claim 2
Dependent Claim
113 words
IN A PROCESS OF PRODUCING AN ALLOY JUNCTION IN A SEMICONDUCTOR BODY, AND THE ATTACHMENT OF A LEAD WIRE IN INTERRELATED STEPS, THE STEPS COMPRISING PROVIDING A PLURALITY OF CLOSELY SPACED CAPILLARIES, CONNECTING SAID CAPILLARIES TO A RESERVOIR OF A MOLTEN MATERIAL CAPABLE OF CHANGING THE CONDUCTIVITY OF A SEMICONDUCTOR BODY, POSITIONING A SEMICONDUCTOR BODY WITHIN ONE CAPILLARY DIAMETER OF SAID PLURALITY OF CAPILLARIES, PASSING A WIRE THROUGH AT LEAST ONE OF SAID CAPILLARIES, EXERTING PRESSURE ON SAID MOLTEN MATERIAL TO FORCE SAID MATERIAL THROUGH AT LEAST ONE OF SAID CAPILLARIES INTO CONTACT WITH SAID SEMICONDUCTOR BODY AND SAID LEAD WIRE AND THEREBY DISSOLVING THE CONTACTED PORTION OF SAID SEMICONDUCTOR BODY IN SAID
References Cited (Backward Citations)
US2906930A
Cited
US2888782A
Cited
US2779877A
Cited
US2857296A
Cited
US2881103A
Cited
US2893901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |