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US3109225A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of mounting a semiconductor device

Assignee: RCA Corp
•
Filing: 1958-08-29
•
Granted: 1963-11-05
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Expires: 1978-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Jerome E Wright
  • 👤 Shellick Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 11:36
CPC Classifications
H; H10; H10W; H10W72/00; H10W72/30; H10W72/20; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/132; H10W72/071; H10W72/073; H10W72/07331; H10W72/07336; H10W90/00; H10W90/701; H10W90/751; H10W90/753; H10W90/754; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 119 words
THE METHOD OF MOUNTING A SURFACE ALLOYED SEMICONDUCTOR DEVICE INCLUDING AT LEAST ONE LEAD-CONTAINING FUSED ELECTRODE, COMPRISING THE STEPS OF BONDING SAID ELECTRODE DIRECTLY TO ONE FACE OF A METAL PLATE, SAID PLATE BEING RELATIVELY SMALL COMPARED TO SAID DEVICE, SAID METAL BEING SELECTED FROM THE GROUP CONSISTING OF NICKEL, CHROMIUM, RHODIUM, PLATINUM, OSMIUM, IRIDIUM, PALLADIUM, AND ALLOYS OF THESE METALS, DEPOSITING A LAYER OF INDIUM ON THE OPPOSITE FACE OF SAID PLATE, SHAVING SAID LAYER TO EXPOSE A FRESH FLAT INDIUM SURFACE, DEPOSITING A LAYER OF INDIUM ON A SUPPORTING BASE, SHAVING SAID INDIUM LAYER ON SAID BASE TO EXPOSE A FRESH FLAT INDIUM SURFACE, AND UNITING SAID INDIUM LAYERS BY PRESSING ONE IN CONTACT WITH THE OTHER.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-11-04 1967-05-06 1967-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-11-04 1971-05-06 1971-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-11-04 1975-05-06 1975-11-05 $7700.00 Window Closed / Lapsed

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