Stock material or miscellaneous articles – Composite – Of epoxy ether
Patent
1993-12-06
1994-08-09
Lusignan, Michael
Stock material or miscellaneous articles
Composite
Of epoxy ether
29827, 257671, 427 96, 427379, 4273881, 427435, 427554, 428457, 428901, 437211, 437214, 437217, 437220, B32B 1504, B32B 1508
Patent
active
053365640
ABSTRACT:
A process for forming a keeper bar upon TAB tape leads for maintaining position of the leads during excise and form operations, integrated circuit placement, and lead bonding, utilizes the steps of immersing TAB tape into a bath of ultraviolet curable resin; directing ultraviolet radiation onto the TAB tape at location(s) where keeper bars are desired, so as to cure the resin to define the keeper bars; washing away uncured resin; and drying the TAB tape.
REFERENCES:
patent: 4721994 (1988-01-01), Mine et al.
patent: 4827376 (1989-05-01), Voss
patent: 4849857 (1989-07-01), Butt et al.
patent: 5075760 (1991-12-01), Nakashima et al.
patent: 5250842 (1993-10-01), Ikeda
Grumman Aerospace Corporation
Lusignan Michael
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