Patent US3239374A successfully refreshed from Google Patents.
US3239374A
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Thin film circuitry
Assignee: International Business Machines Corp
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Filing: 1962-06-28
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Granted: 1966-03-08
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Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Ames Irving
- 👤 Lawrence V Gregor
- 👤 Alan L Leiner
- 👤 Arnold M Toxen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:15
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/04; C23C14/042; C23C14/02; C23C14/024; C23C14/025; C23C14/044; C23C14/58; C23C14/5806; C23C14/5873; C23F; C23F1/00; C23F1/02; G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; H; H01; H01B; H01B1/00; H05; H05K; H05K3/00; H05K3/10; H05K3/14; H05K3/146; H10; H10N; H10N60/00; H10N60/01; H10N60/30; H10N60/35; H10N97/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
THE METHOD OF FABRICATING A NARROW THIN FILM CONDUCTOR COMPRISING THE STEPS OF, DEPOSITING A THIN LAYER OF GOLD NUCLEATING MATERIAL HAVING A TAPERED EDGE, A THICKNESS OF SAID NUCLEATING MATERIAL WITHIN A CRITICAL RANGE BETWEEN APPROXIMATELY 5 A. AND 10 A. BEING REQUIRED TO NUCLEATE A GIVEN QUANTITY OF INDIUM SO AS TO FORM A CONTINUOUS FILM, THE THICKNESS OF SAID NUCLEATING LAYER BEING IN EXCESS OF SAID CRITICAL RANGE WHEREBY PORTIONS OF SAID TAPERED EDGE ARE WITHIN SAID CRITICAL RANGE, AND DEPOSITING SAID GIVEN QUANTITY OF INDIUM AT LEAST OVER SAID TAPERED EDGE TO FORM A CONTINUOUS FILM OVER PORTIONS OF SAID TAPERED EDGE WITHIN SAID CRITICAL RANGE, SAID GIVEN QUANTITY OF INDIUM DEPOSITED OVER REMAINING PORTIONS OF SAID NUCLEATING LAYER AGGLOMERATING SO AS TO FORM A NONCONTINUOUS FILM.
Claim 2
Independent Claim
131 words
THE METHOD OF FABRICATING A NARROW THIN FILM CONDUCTOR COMPRISING THE STEPS OF, DEPOSITING A THIN LAYER OF GOLD NUCLEATING MATERIAL HAVING A TAPERED EDGE, A THICKNESS OF SAID NUCLEATING MATERIAL WITHIN A CRITICAL RANGE BETWEEN APPROXIMATELY 5 A. AND 10 A. BEING REQUIRED TO NUCLEATE A GIVEN QUANTITY OF INDIUM SO AS TO FORM A CONTINUOUS FILM, THE THICKNESS OF SAID NUCLEATING LAYER BEING IN EXCESS OF SAID CRITICAL RANGE WHEREBY PORTIONS OF SAID TAPERED EDGE ARE WITHIN SAID CRITICAL RANGE, AND DEPOSITING SAID GIVEN QUANTITY OF INDIUM AT LEAST OVER SAID TAPERED EDGE TO FORM A CONTINUOUS FILM OVER PORTIONS OF SAID TAPERED EDGE WITHIN SAID CRITICAL RANGE, SAID GIVEN QUANTITY OF INDIUM DEPOSITED OVER REMAINING PORTIONS OF SAID NUCLEATING LAYER AGGLOMERATING SO AS TO FORM A NONCONTINUOUS FILM.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |