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US3581387A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making strip mounted semiconductor device

Assignee: Motors Liquidation Co
•
Filing: 1967-11-29
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Granted: 1971-06-01
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Expires: 1987-11-29
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Abstract

Abstract A SEMICONDUCTOR PACKAGE ASSEMBLY AND METHOD OF MAKING IT. A SEMICONDUCTIVE ELEMENT IS MOUNTED ON A FLAT STRIP. A PORTION OF THE STRIP IS PARTIALLY SEPARATED FROM, AND RAISED ABOVE THE PLANE OF, THE STRIP. THE RAISED PORTION IS EVENTUALLY COMPLETELY SEPARATED FROM THE STRIP, AND FORMS A TERMINAL MEMBER FOR THE SEMICONDUCTIVE ELEMENT. THE ELEMENT AND CONNECTION TO THE TERMINAL ARE ENCLOSED, PREFERABLY IN A PLASTIC POTTING. MEANS ARE PROVIDED TO INCREASE THE RIGIDITY OF THE STRIP IN THE ENCLOSURE AREA. MEANS ARE ALSO PROVIDED TO ENHANCE ADHESION OF A PLASTIC POTTING TO THE STRIP AND TERMINAL MEMBERS. A PLURALITY OF DEVICES CAN BE SIMULTANEOUSLY OR SUCCESSIVELY FORMED FROM A SINGLE STRIP. MULITPLE TERMINAL DEVICES CAN BE FORMED USING ADJACENT MULTIPLE RAISED PORTIONS ON THE STRIP.

Inventors

  • 👤 Robert E Buck
  • 👤 Albert D Rittmann
  • 👤 Eugene H Sayers
  • 👤 Robert W Metzger Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 02:41
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/40; H10W70/461; H10W70/481; H10W72/00; H10W72/50; H10W72/531; H10W72/5363; H10W72/551; H10W72/552; H10W72/5522; H10W90/00; H10W90/701; H10W90/751; H10W90/756; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/49171; Y10T29/49172; Y10T29/49826; Y10T29/49828; Y10T29/49829

Claims Analysis

Total Claims: 0
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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) 1974-05-31 1974-11-30 1975-06-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-31 1978-11-30 1979-06-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-31 1982-11-30 1983-06-01 $7700.00 Window Closed / Lapsed

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