Tab tape

Details Tab tape Tab tape

1994-04-26

1995-09-26

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

29827, 174262, H05K 118

Patent

active

054539137

ABSTRACT:
A TAB tape having multiple metallic conductors arranged on the surface of a base film with substantially square device holes is formed with designed areas of stress refief formed by one or more slits and/or arrays of holes which extend outward from the corners or sides of the device holes, such that dimensional stability in the base film is improved in a direction parallel to inner leads when thermo-compression bonding is performed to connect the inner leads with IC chips resulting in improved connection reliability for connection between inner leads and IC chips.

REFERENCES:
patent: 4234666 (1980-11-01), Gursky
patent: 4330790 (1982-05-01), Burns
patent: 5064706 (1991-11-01), Ueda et al.
patent: 5235415 (1993-10-01), Dennis
patent: 5270197 (1993-12-01), Kondo et al.
patent: 5284725 (1994-02-01), Takatsu
patent: 5288539 (1994-02-01), Araki

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