Patent US5470668A successfully refreshed from Google Patents.
US5470668A
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Metal oxide films on metal
Assignee: Los Alamos National Security LLC
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Filing: 1994-03-31
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Granted: 1995-11-28
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Expires: 2014-03-31
Abstract
Abstract A structure including a thin film of a conductive alkaline earth metal oxide selected from the group consisting of strontium ruthenium trioxide, calcium ruthenium trioxide, barium ruthenium trioxide, lanthanum-strontium cobalt oxide or mixed alkaline earth ruthenium trioxides thereof upon a thin film of a noble metal such as platinum is provided.
Inventors
- 👤 Xin D. Wu
- 👤 Prabhat Tiwari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:00
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/08; C; C01; C01G; C01G51/00; C01G51/40; C01G51/66; C01G51/68; C01G55/00; C01G55/002; C30; C30B; C30B23/00; C30B23/02; C30B29/00; C30B29/10; C30B29/16; C30B29/22; C30B29/225; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2002/77; C01P2004/00; C01P2004/80; C01P2006/00; C01P2006/40
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
52 words
A heteroepitaxial oriented structure comprising a thin film of an epitaxial oriented conductive alkaline earth metal oxide selected from the group consisting of strontium ruthenium oxide, calcium ruthenium oxide, barium ruthenium oxide, lanthanum-strontium cobalt oxide or mixed alkaline earth ruthenium trioxides thereof, epitaxially oriented upon a thin film of a noble metal.
Claim 2
Dependent Claim
52 words
A heteroepitaxial oriented structure comprising a thin film of an epitaxial oriented conductive alkaline earth metal oxide selected from the group consisting of strontium ruthenium oxide, calcium ruthenium oxide, barium ruthenium oxide, lanthanum-strontium cobalt oxide or mixed alkaline earth ruthenium trioxides thereof, epitaxially oriented upon a thin film of a noble metal.
Claim 3
Dependent Claim
20 words
The heteroepitaxial oriented structure of claim 1 wherein the epitaxial oriented conductive alkaline earth metal oxide is strontium ruthenium trioxide.
Claim 4
Dependent Claim
20 words
The heteroepitaxial oriented structure of claim 1 wherein the epitaxial oriented conductive alkaline earth metal oxide is lanthanum-strontium cobalt trioxide.
Claim 5
Dependent Claim
30 words
The heteroepitaxial oriented structure of claim 1 wherein said thin film of epitaxial oriented conductive alkaline earth metal oxide is from about 100 Angstroms to about 10,000 Angstroms in thickness.
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) | 1998-11-27 | 1999-05-29 | 1999-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-11-27 | 2003-05-29 | 2003-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-11-27 | 2007-05-29 | 2007-11-28 | $7700.00 | Window Closed / Lapsed |