Method for making carrier tape

Details Method for making carrier tape Method for making carrier tape

1983-11-10

1986-01-14

Kittle, John E.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making electrical device

430313, 430318, 430319, 430394, G03C 500

Patent

active

045645825

ABSTRACT:
A carrier tape used for automatically bonding IC devices on a substrate and having therealong sets of finger leads and sprocket holes, is made from a metallic foil tape such as copper coated with a photo resist material which is exposed using a photo mask including a pattern for sprocket holes and a pattern for finger lead clusters. These patterns are shifted relative to each other by at least one set which corresponds to the width of the pattern for finger leads. The tape enable finger leads to be accurately aligned with bonding pads of IC devices.

REFERENCES:
patent: 4049903 (1977-09-01), Kobler
patent: 4512843 (1985-04-01), Miyazaki

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