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EP0412323A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

A film carrier for use in integrated circuit mounting

Assignee: Japan Gore Tex Inc
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Filing: 1990-07-16
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Granted: —
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Expires: 2010-07-16
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Abstract

Abstract An improved electrical integrated circuit (4) mounting is provided, the improvement being a film carrier comprising an electrical conductor (1) laminated to an insulating base film (3), in which the base film contains at least one porous resin sheet (9). The preferred porous resin is porous, expanded polytetrafluoroethylene.

Inventors

  • 👤 Sunao Fukutake
  • 👤 Minoru Hatakeyama

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-10 02:05
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/60; H10W70/67; H10W70/69; H10W70/695; H10W70/68; H10W70/685; H10W72/00; H10W72/50; H10W72/541; H10W72/5445; H10W74/00; H10W90/00; H10W90/701; H10W90/751; H10W90/754

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 37 words
In an integrated circuit (IC) mounting, an improved film carrier, the improvement comprising a film carrier comprising an electrical conductor laminated to an insulating base film, wherein said base film contains at least one porous resin sheet.
Claim 2
Dependent Claim 37 words
In an integrated circuit (IC) mounting, an improved film carrier, the improvement comprising a film carrier comprising an electrical conductor laminated to an insulating base film, wherein said base film contains at least one porous resin sheet.
Claim 3
Dependent Claim 25 words
The IC mounting of claim 1 wherein said base film is a laminated composite of a porous resin sheet and a solid, non-porous resin sheet.
Claim 4
Dependent Claim 28 words
The IC mounting of claim 1 wherein said film carrier comprises two or more electrical conductors and insulating base films laminated together to form a double-sided film carrier.
Claim 5
Dependent Claim 16 words
The IC mounting of claim 1 wherein said porous resin sheet is a porous, expanded polytetrafluoroethylene.
Claim 6
Dependent Claim 16 words
The IC mounting of claim 2 wherein said non-porous resin sheet is a polyimide resin sheet.

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