Patent US3330696A successfully refreshed from Google Patents.
US3330696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating thin film capacitors
Assignee: —
•
Filing: —
•
Granted: 1967-07-11
•
Expires: 1984-07-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:20
CPC Classifications
H; H10; H10D; H10D1/00; H10D1/60; H10D1/68; H10D1/682; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A METHOD OF FABRICATING THIN FILM CAPACITORS COMPRISING THE STEPS OF: DEPOSITING A CONDUCTIVE MATERIAL ON A NON-CONDUCTIVE SUBSTRATE AS A FIRST AREA FILM; PROVIDING A LAYER OF DIELECTRIC MATERIAL OVER THE FIRST AREA FILM OF CONDUCTIVE MATERIAL; FORMING A SECOND AREA FILM OF CONDUCTIVE MATERIAL OVER THE LAYER OF DIELECTRIC MATERIAL; EXPOSING THE SURFACE OF THE SUBSTRATE ALONG AT LEAST A FIRST LINE BY SELECTIVELY REMOVING THE CONDUCTIVE FILMS AND DIELECTRIC LAYER THEREBY ISOLATING INDIVIDUAL DEVICES; MEASURING THE CAPACTIANCE OF THE RESULTING MULTI-LAYER DEVICES; AND ADJUSTING THE CAPACTIANCE OF EACH DEVICE TOWARD THE DESIRED VALUE BY INCREMENTALLY REMOVING THE SECOND CONDUCTIVE FILM FORM THE DIELECTRIC LAYER ALONG THE EDGES OF THE GROOVE FORMED DURING THE STEP OF EXPOSING THE SURFACE OF THE SUBSTRATE ALONG A LINE, THE REMOVAL OF THE SECOND CONDUCTIVE FILM REDUCING THE AREA OF THE UPPER ELECTRODES OF THE DEVICES.
Claim 2
Independent Claim
144 words
A METHOD OF FABRICATING THIN FILM CAPACITORS COMPRISING THE STEPS OF: DEPOSITING A CONDUCTIVE MATERIAL ON A NON-CONDUCTIVE SUBSTRATE AS A FIRST AREA FILM; PROVIDING A LAYER OF DIELECTRIC MATERIAL OVER THE FIRST AREA FILM OF CONDUCTIVE MATERIAL; FORMING A SECOND AREA FILM OF CONDUCTIVE MATERIAL OVER THE LAYER OF DIELECTRIC MATERIAL; EXPOSING THE SURFACE OF THE SUBSTRATE ALONG AT LEAST A FIRST LINE BY SELECTIVELY REMOVING THE CONDUCTIVE FILMS AND DIELECTRIC LAYER THEREBY ISOLATING INDIVIDUAL DEVICES; MEASURING THE CAPACTIANCE OF THE RESULTING MULTI-LAYER DEVICES; AND ADJUSTING THE CAPACTIANCE OF EACH DEVICE TOWARD THE DESIRED VALUE BY INCREMENTALLY REMOVING THE SECOND CONDUCTIVE FILM FORM THE DIELECTRIC LAYER ALONG THE EDGES OF THE GROOVE FORMED DURING THE STEP OF EXPOSING THE SURFACE OF THE SUBSTRATE ALONG A LINE, THE REMOVAL OF THE SECOND CONDUCTIVE FILM REDUCING THE AREA OF THE UPPER ELECTRODES OF THE DEVICES.
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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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |