US3336211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction of oxides by ion bombardment
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1963-04-30
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Granted: 1967-08-15
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Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 William N Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:58
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/02; C23C14/021; C23C14/022; H; H01; H01J; H01J37/00; H01J37/32; H01J37/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
THE PROCESS OF DEPOSITING A METQAL COATING ON A SURFACE OF AN OXIDE BODY, WHEREING SAID OXIDE BODY IS TAKEN FROM THE GROUP CONSISTING OF BARIUM TITANATE, COPPER OXIDE, IRON OXIDE, SILICON OXIDE, TANTALUM OXIDE, AND TITANIUM DIOXIDE, WHICH PROCESS COMPRISES: MOUNTING SAID OXIDE BODY AND A PIECE OF SAID METAL WITHIN AN ENCLOSURE; FEEDING A GAS TAKEN FROM THE GROUP CONSISTING OF ARGON, HELIUM, KRYPTON, MERCURY, NEON AND XENON INTO SAID ENCLOSURE; IONIZING SAID GAS TO PROVIDE A PLASMA IN SAID ENCLOSURE; APPLYING A RADIO FREQUENTLY SIGNAL TO SAID OXIDE BODY FOR BOMBARDING SAID SURFACE OF SAID OXIDE BODY WITH GAS ATOMS TO SELECTIVELY REMOVE OXYGEN FROM SAID SURFACE; AND COATING SAID BOMBARDED SURFACE WITH PARTICLES OF SAID PIECE OF METAL.
References Cited (Backward Citations)
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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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |