Kulicke and Soffa Industries, Inc.

John David Molnar

Thomas J Colosimo, Jr

Deepak Sood

Wei Qin

Ivy Wei Qin

Ziauddin Ahmad

E Walter Frasch

Chunlong Hu

A method of calibrating a voltage for use with an ultrasonic transducer of a wire bonding machine in a constant voltage mode is provided. The method includes: (1) determining an impedance value associated with operation of the ultrasonic transducer; and (2) establishing an adjusted voltage level for use with the ultrasonic transducer in the constant voltage mode based on the determined impedance value.

Method of calibrating a constant voltage supply for an ultrasonic transducer of a wire bonding machine

A method of applying bonding energy to form a bond between a portion of a wire and a contact of a bonding location using a wire bonding machine is provided. The method includes: (1) moving a bonding tool towards the contact; (2) detecting when a portion of the contact () is pressed against a device supporting surface () of the wire bonding machine; and (3) applying bonding energy to the portion of the contact such that a bond is formed between the contact and the portion of wire.

Closed loop wire bonding methods and bonding force calibration

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Ambler, PA, United States of America

John David Molnar