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US3330696A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of fabricating thin film capacitors

Assignee: —
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Filing: —
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Granted: 1967-07-11
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Expires: 1984-07-11
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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.

References Cited (Backward Citations)

US2119115A Cited
US2142705A Cited
DE900725C Cited
US2525668A Cited
US2842653A Cited
US2959117A Cited
US3080481A Cited
US3110620A Cited
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US3234044A Cited
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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

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