Inventors:
Stanley M. Albrechta - Binghamton NY
Francis C. Burns - Endicott NY
Gary R. Carden - Endwell NY
William T. Chen - Endicott NY
Andrew R. Gresko - Binghamton NY
John J. Kaufman - Windsor NY
Eugene P. Skarvinko - Binghamton NY
Nadia Tonsi - Endicott NY
Assignee:
International Business Machines Corporation - Armonk NY
International Classification:
H05K 100
Abstract:
A flexible supporting cable for an electronic device which includes a steel foil substrate, a layer of polymer on portions of the substrate, circuit pads on the polymer layer having both the bottom and top surfaces of the pads exposed; circuit lines extending from the top surface of the pads, a window free from steel beneath a portion of the circuit lines, and a second, smaller window free from both steel and the polymer beneath a portion of the circuit lines. Methods are provided for fabricating these flexible supporting cables.