US3385776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for alloying lithium to semi-conductor material
Assignee: Nuclear Diodes Inc
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Filing: 1965-06-11
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Granted: 1968-05-28
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Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Fiedler Hans Juergen Volker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:03
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/02; H; H10; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A PROCESS FOR ALLOYING LITHIUM WITH A SEMI-CONDUCTOR INGOT COMPRISING THE STEPS OF: (1) SELECTING AN INGOT OF SEMI-CONDUCTOR MATERIAL, (2) PREPARING A MIXTURE OF LITHIUM SALT AND A LOW TEMPERATURE ELECTROLYTIC CARRIER FOR REDUCING THE MELTING POINT OF THE MIXTURE TO A TEMPERATURE BELOW THAT OF THE LITHIUM SALT, (3) HEATING SALT MIXTURE TO ABOVE THE MELTING POINT THEREOF, (4) CONTACTING AN ANODE ELEMENT AND A CATHODE ELEMENT TO SAID HEATED MIXTURE WHEREIN SAID CATHODE ELEMENT IS THE INGOT OF SEMI-CONDUCTOR MATERIAL, (5) APPLYING A SOURCE OF ELECTRIC CURRENT ACROSS SAID ANODE AND CATHODE ELEMENTS, (6) REGULATING THE CURRENT FLOW THROUGH SAID MIXTURE TO ESTABLISH AN EFFECTIVE ELECTROLYTIC ACTION IN SAID MIXTURE, AND (7) MAINTAINING SAID ELECTROLYTIC ACTION IN SAID HEATED MIXTURE FOR A PERIOD SUFFICIENT TO SECURE DIFFUSION OF THE LITHIUM IN THE SEMI-CONDUCTOR INGOT TO A PREDETERMINED DEPTH.
Claim 2
Dependent Claim
141 words
A PROCESS FOR ALLOYING LITHIUM WITH A SEMI-CONDUCTOR INGOT COMPRISING THE STEPS OF: (1) SELECTING AN INGOT OF SEMI-CONDUCTOR MATERIAL, (2) PREPARING A MIXTURE OF LITHIUM SALT AND A LOW TEMPERATURE ELECTROLYTIC CARRIER FOR REDUCING THE MELTING POINT OF THE MIXTURE TO A TEMPERATURE BELOW THAT OF THE LITHIUM SALT, (3) HEATING SALT MIXTURE TO ABOVE THE MELTING POINT THEREOF, (4) CONTACTING AN ANODE ELEMENT AND A CATHODE ELEMENT TO SAID HEATED MIXTURE WHEREIN SAID CATHODE ELEMENT IS THE INGOT OF SEMI-CONDUCTOR MATERIAL, (5) APPLYING A SOURCE OF ELECTRIC CURRENT ACROSS SAID ANODE AND CATHODE ELEMENTS, (6) REGULATING THE CURRENT FLOW THROUGH SAID MIXTURE TO ESTABLISH AN EFFECTIVE ELECTROLYTIC ACTION IN SAID MIXTURE, AND (7) MAINTAINING SAID ELECTROLYTIC ACTION IN SAID HEATED MIXTURE FOR A PERIOD SUFFICIENT TO SECURE DIFFUSION OF THE LITHIUM IN THE SEMI-CONDUCTOR INGOT TO A PREDETERMINED DEPTH.
References Cited (Backward Citations)
US3147152A
Cited
US3290179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |