US3147414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon solar cells with attached contacts
Assignee: Infineon Technologies Americas Corp
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Filing: 1960-09-29
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Granted: 1964-09-01
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Expires: 1980-09-29
Abstract
No abstract record available.
Inventors
- 👤 Lowell S Pelfrey
- 👤 Kadelburg Kurt
- 👤 Milo V Macha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:53
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/20; H10F77/206; H10F77/211; H10W; H10W99/00; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN COMBINATION, A SILICON CRYSTAL SEMI-CONDUCTOR WAFER HAVING A NICKEL COATING ON A SIDE THEREOF AND A CONTACT MEMBER ATTACHED TO SAID COATING, SAID CONTACT MEMBER COMPRISING: (A) A STRIP CONSTITUTED OF AN ALLOY SELECTED FROM THE GROUP CONSISTING OF (1) FROM 50% TO 60% IRON AND 40% TO 50% NICKEL AND (2) FROM 50% TO 60% IRON, 25% TO 30% NICKEL AND 15% TO 20% COBALT, ALL PERCENTAGES BY WEIGHT; AND (B) A COATING ON SAID STRIP CONSTITUTED OF A SECOND ALLOY SELECTED FROM THE GROUP CONSISTING OF (1) UP TO 1% COPPER WITH THE REMAINDER ESSENTIALLY LEAD AND (2) FROM 5% TO 10% SILVER, 0.4% TO 1.5% COPPER, AND THE REMAINDER ESSENTIALLY LEAD, ALL PERCENTAGES BY WEIGHT; THE COATING OF SAID SECOND ALLOY BEING IN CONTACT WITH THE NICKEL COATING, AND SAID CONTACT MEMBER BEING ALLOYED WITH SAID SILICON.
Claim 2
Dependent Claim
141 words
IN COMBINATION, A SILICON CRYSTAL SEMI-CONDUCTOR WAFER HAVING A NICKEL COATING ON A SIDE THEREOF AND A CONTACT MEMBER ATTACHED TO SAID COATING, SAID CONTACT MEMBER COMPRISING: (A) A STRIP CONSTITUTED OF AN ALLOY SELECTED FROM THE GROUP CONSISTING OF (1) FROM 50% TO 60% IRON AND 40% TO 50% NICKEL AND (2) FROM 50% TO 60% IRON, 25% TO 30% NICKEL AND 15% TO 20% COBALT, ALL PERCENTAGES BY WEIGHT; AND (B) A COATING ON SAID STRIP CONSTITUTED OF A SECOND ALLOY SELECTED FROM THE GROUP CONSISTING OF (1) UP TO 1% COPPER WITH THE REMAINDER ESSENTIALLY LEAD AND (2) FROM 5% TO 10% SILVER, 0.4% TO 1.5% COPPER, AND THE REMAINDER ESSENTIALLY LEAD, ALL PERCENTAGES BY WEIGHT; THE COATING OF SAID SECOND ALLOY BEING IN CONTACT WITH THE NICKEL COATING, AND SAID CONTACT MEMBER BEING ALLOYED WITH SAID SILICON.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |