Wire bonding method

Details Wire bonding method Wire bonding method

1993-06-08

1994-01-11

Heinrich, Samuel M.

Metal fusion bonding

Process

Using high frequency vibratory energy

2281735, 2281805, H01L 21607

Patent

active

052773566

ABSTRACT:
A method of bonding an end of an aluminum wire to a lead comprises the steps of: forming a plurality of parallel bonding grooves on a surface of the lead; pressing the wire end against the grooved surface of the lead with the wire end held in parallel to the bonding grooves; and applying ultrasonic vibration to the wire end in a direction parallel to the bonding grooves.

REFERENCES:
patent: 3047942 (1962-08-01), Schneider et al.
patent: 4294392 (1981-10-01), Colloff
patent: 4580713 (1986-04-01), Sekibata et al.

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