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US4066819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding gold films to non-electrically conducting oxides and product thereby obtained
Assignee: United States Department of the Navy
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Filing: 1971-10-21
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Granted: 1978-01-03
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Expires: 1991-10-21
Abstract
Abstract A microstrip board comprising a gold film which contains about at least 1/2 weight per cent of aluminum bonded to a non-electrical conducting oxide is prepared by simultaneously evaporating the gold and aluminum onto the non-electrical conducting oxide and thereafter optionally heating the film thus formed.
Inventors
- 👤 Wallace E. Anderson
- 👤 Albert M. Syeles
- 👤 Albert D. Krall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:56
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; H; H05; H05K; H05K1/00; H05K1/02; H05K1/0213; H05K1/0237; H05K1/09
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
24 words
A microstrip board comprising a gold film which contains at least one-half weight percent of aluminum, bonded to a non-electrical conducting oxide of alumina.
Claim 2
Dependent Claim
24 words
A microstrip board comprising a gold film which contains at least one-half weight percent of aluminum, bonded to a non-electrical conducting oxide of alumina.
Claim 3
Dependent Claim
24 words
A microstrip board comprising a gold film which contains one-half to five weight percent of aluminum, bonded to a non-electrical conducting oxide of alumina.
Claim 4
Dependent Claim
24 words
A microstrip board comprising a gold film which contains one-half to five weight percent of aluminum, bonded to a non-electrical conducting oxide of alumina.
Claim 5
Dependent Claim
23 words
A microstrip board comprising a gold film which contains about two weight percent of aluminum, bonded to a non-electrical conducting oxide of alumina.
Claim 6
Dependent Claim
23 words
A microstrip board comprising a gold film which contains about two weight percent of aluminum, bonded to a non-electrical conducting oxide of alumina.
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) | 1981-01-02 | 1981-07-04 | 1982-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-01-02 | 1985-07-04 | 1986-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-01-02 | 1989-07-04 | 1990-01-03 | $7700.00 | Window Closed / Lapsed |