US3017693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and materials for obtaining low resistance bonds to bismuth telluride
Assignee: RCA Corp
•
Filing: 1956-09-14
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Granted: 1962-01-23
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Expires: 1976-09-14
Abstract
No abstract record available.
Inventors
- 👤 Haba Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:22
CPC Classifications
C; C22; C22C; C22C28/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/26; B23K35/262; B23K35/264; H; H10; H10N; H10N10/00; H10N10/80; H10N10/81; H10N10/817
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
THE METHOD FOR PROVIDING A BISMUTH TELLURIDE BODY WITH A LOW ELECTRICAL RESISTANCE CONTACT COMPRISING TINNING AT LEAST A SURFACE OF SAID BODY WITH AN ALLOY CONSISTING ESSENTIALLY OF 40-50% BISMUTH, 1.5 TO 3.5% ANTIMONY, BALANCE TIN AT A TEMPERATURE BETWEEN 266* AND 274*C.
Claim 2
Independent Claim
44 words
THE METHOD FOR PROVIDING A BISMUTH TELLURIDE BODY WITH A LOW ELECTRICAL RESISTANCE CONTACT COMPRISING TINNING AT LEAST A SURFACE OF SAID BODY WITH AN ALLOY CONSISTING ESSENTIALLY OF 40-50% BISMUTH, 1.5 TO 3.5% ANTIMONY, BALANCE TIN AT A TEMPERATURE BETWEEN 266* AND 274*C.
Claim 3
Independent Claim
38 words
THE METHOD OF SOLDERING A COPPER BODY TO A BISMUTH TELLURIDE BODY TO ACHIEVE A LOW ELECTRICAL RESISTANCE BOND THEREBETWEEN COMPRISING THE STEPS OF: TINNING AT LEAST ONE SURFACE OF SAID COPPER BODY; TINNING AT LEAST ONE SURFACE
Claim 4
Independent Claim
38 words
THE METHOD OF SOLDERING A COPPER BODY TO A BISMUTH TELLURIDE BODY TO ACHIEVE A LOW ELECTRICAL RESISTANCE BOND THEREBETWEEN COMPRISING THE STEPS OF: TINNING AT LEAST ONE SURFACE OF SAID COPPER BODY; TINNING AT LEAST ONE SURFACE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |