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US3188536A Expired / Lapsed US ⏱️ 0.0 years remaining

Silicon rectifier encapsulation

Assignee: Motors Liquidation Co
•
Filing: 1960-11-14
•
Granted: 1965-06-08
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Expires: 1980-11-14
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Abstract

No abstract record available.

Inventors

  • 👤 Albert D Rittmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 18:53
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/10; H10W74/131; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/49171

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 154 words
IN RECTIFIER MEANS, A SEMICONDUCTOR RECTIFIER WAFER, A SHEET OF ELECTRICALLY CONDUCTIVE MATERIAL SECURED TO EACH OPPOSITE FACE OF SAID SEMICONDUCTOR RECTIFIER WAFER FORMING A SANDWICH, SAID ELECTRICALLY CONDUCTIVE MATERIAL HAVING SUBSTANTIALLY THE SAME COEFFICIENT OF EXPANSION AS THE SEMICONDUCTOR RECTIFER WAFER, A MULTI-PART HOUSING OF ELECTRICALLY CONDUCTIVE MATERIAL, SAID PARTS HAVING FLANGES FACING EACH OTHER, SAID SANDWICH OF THE SEMICONDUCTOR RECTIFIER WAFER AND THE TWO SHEETS OF ELECTRICALLY CONDUCTIVE MATERIAL BEING SECURED WITHIN ONE PART OF THE HOUSEING, A PARTIALLY COLLAPSED CONDUCTIVE RING SECURED TO THE AVAILABLE SURFACE OF THE ELECTRICALLY CONDUCTIVE MATERIAL IN THE ONE PART OF THE HOUSING, AND A TERMINAL INSULATABLY MOUNTED THROUGH THE OTHER PART OF THE HOUSING AND ADAPTED TO DEFORM THE CONDUCTIVE RING SUBSTANTIALLY ONLY IN ITS CONTACT AREA WITH SAID TERMINAL WHEN THE TWO PARTS ARE BROUGHT TOGETHER, SAID TERMINAL PROTRUDING INTO SAID DEFORMED AREA, SAID FLANGES BEING SEALED TOGETHER TO FORM A HERMETICALLY SEALED UNIT.
Claim 2
Dependent Claim 154 words
IN RECTIFIER MEANS, A SEMICONDUCTOR RECTIFIER WAFER, A SHEET OF ELECTRICALLY CONDUCTIVE MATERIAL SECURED TO EACH OPPOSITE FACE OF SAID SEMICONDUCTOR RECTIFIER WAFER FORMING A SANDWICH, SAID ELECTRICALLY CONDUCTIVE MATERIAL HAVING SUBSTANTIALLY THE SAME COEFFICIENT OF EXPANSION AS THE SEMICONDUCTOR RECTIFER WAFER, A MULTI-PART HOUSING OF ELECTRICALLY CONDUCTIVE MATERIAL, SAID PARTS HAVING FLANGES FACING EACH OTHER, SAID SANDWICH OF THE SEMICONDUCTOR RECTIFIER WAFER AND THE TWO SHEETS OF ELECTRICALLY CONDUCTIVE MATERIAL BEING SECURED WITHIN ONE PART OF THE HOUSEING, A PARTIALLY COLLAPSED CONDUCTIVE RING SECURED TO THE AVAILABLE SURFACE OF THE ELECTRICALLY CONDUCTIVE MATERIAL IN THE ONE PART OF THE HOUSING, AND A TERMINAL INSULATABLY MOUNTED THROUGH THE OTHER PART OF THE HOUSING AND ADAPTED TO DEFORM THE CONDUCTIVE RING SUBSTANTIALLY ONLY IN ITS CONTACT AREA WITH SAID TERMINAL WHEN THE TWO PARTS ARE BROUGHT TOGETHER, SAID TERMINAL PROTRUDING INTO SAID DEFORMED AREA, SAID FLANGES BEING SEALED TOGETHER TO FORM A HERMETICALLY SEALED UNIT.

References Cited (Backward Citations)

US2829422A Cited
US2931958A Cited
US2744218A Cited
US2853661A Cited
US2896134A Cited
US2830238A Cited
US2842831A Cited
US3065390A Cited
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US2921245A Cited
US2937324A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-07 1968-12-07 1969-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-07 1972-12-07 1973-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-07 1976-12-07 1977-06-08 $7700.00 Window Closed / Lapsed

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