Method for making electrical lead frame devices

Details Method for making electrical lead frame devices Method for making electrical lead frame devices

1975-04-10

1976-06-01

Powell, William A.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

29625, 156 3, 156 11, 156 18, 156247, 428 96, H05K 100

Patent

active

039605612

ABSTRACT:
A method for making lead frame devices wherein a thin metal foil is adhered to a stiffener panel by means of a photoresist layer to enable all processing steps by which the metal foil is transformed into an appropriate and predetermined lead frame configuration. After the lead frame fabrication is completed, the photoresist is removed by suitable means and ready for application and functional use as an electronic component electrical connecting device.

REFERENCES:
patent: 3663376 (1972-05-01), Uchgtil et al.
patent: 3750277 (1973-08-01), Happ
patent: 3773628 (1973-11-01), Misawa et al.
patent: 3778899 (1973-12-01), Johnson
patent: 3808679 (1974-05-01), Dalmasso
patent: 3888745 (1975-06-01), Hojgo

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