Method of fabricating a semiconductor device

Metal working – Method of mechanical manufacture – Electrical device making

Reexamination Certificate

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Details

C029S830000, C029S846000, C029S852000

Reexamination Certificate

active

07918018

ABSTRACT:
In a method and apparatus for fabricating a semiconductor device having a flexible tape substrate, a hole is punched in the flexible tape substrate. The flexible tape substrate includes a metal layer attached to a polyimide layer without an adhesive there between. A cover is placed on the metal layer to cap a base of the hole. A metal is deposited on the cover exposed at the base of the hole, the metal being used to form a bond with the metal layer. The metal being deposited causes the hole to be plugged up to a selective height. Upon removal of the cover, the metal may also be deposited on the metal layer to increase a thickness of the metal layer.

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