Patent US3566217A successfully refreshed from Google Patents.
US3566217A
Expired / Lapsed
US
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Electrical component and method of manufacture
Assignee: Globe Union Inc
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Filing: 1968-10-01
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Granted: 1971-02-23
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Expires: 1988-10-01
Abstract
Abstract An electrical component, which includes a film of semiconducting barium titanate with suitable ohmic or rectifying contacts, is described together with the method for its manufacture.
Inventors
- 👤 Theodore W Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:26
CPC Classifications
H; H10; H10D; H10D99/00; H10D62/00; H10D62/80; H10D62/875; H10P; H10P10/00; H10P95/00; H10P95/80; Y; Y10; Y10S; Y10S257/00; Y10S257/909
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
58 words
An electrical component comprising an insulating substrate at least partially covered with metal, a film of semiconducting BaTiO3 in the thickness range 0.0002 inch to 0.020 inch deposited on the metal and forming an ohmic contact therewith, and an electrode attached to the opposite side of said film with a rectifying junction in the region of said electrode.
Claim 2
Dependent Claim
58 words
An electrical component comprising an insulating substrate at least partially covered with metal, a film of semiconducting BaTiO3 in the thickness range 0.0002 inch to 0.020 inch deposited on the metal and forming an ohmic contact therewith, and an electrode attached to the opposite side of said film with a rectifying junction in the region of said electrode.
Claim 3
Dependent Claim
15 words
The component of claim 1 wherein said metal is palladium and said electrode contains silver.
Claim 4
Dependent Claim
78 words
A full wave rectifier comprising an insulating base, four metal electrodes on said base, four discrete areas of semiconducting barium titanate on said electrodes forming ohmic contacts therewith, four electrodes on said four areas of barium titanate forming rectifying contacts therewith, two of said ohmic contact electrodes being electrically connected, two of said rectifying contact electrodes being electrically connected, the other two ohmic contact electrodes being electrically connected respectively to the other two of said rectifying contact electrodes.
Claim 5
Dependent Claim
78 words
A full wave rectifier comprising an insulating base, four metal electrodes on said base, four discrete areas of semiconducting barium titanate on said electrodes forming ohmic contacts therewith, four electrodes on said four areas of barium titanate forming rectifying contacts therewith, two of said ohmic contact electrodes being electrically connected, two of said rectifying contact electrodes being electrically connected, the other two ohmic contact electrodes being electrically connected respectively to the other two of said rectifying contact electrodes.
Claim 6
Dependent Claim
44 words
A field effect transistor comprising an insulating base, source and drain metal electrodes on said base, a film of semiconducting barium titanate overlapping said electrodes and forming ohmic contacts therewith, a gate electrode positioned on said barium titanate and forming a rectifying contact therewith.
Claim 7
Dependent Claim
44 words
A field effect transistor comprising an insulating base, source and drain metal electrodes on said base, a film of semiconducting barium titanate overlapping said electrodes and forming ohmic contacts therewith, a gate electrode positioned on said barium titanate and forming a rectifying contact therewith.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |