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|Title: ||Driver for an ultrasonic transducer and an ultrasonic transducer|
|Authors: ||Or, Derek Siu-wing|
Chan, Helen L. W.
|Subjects: ||Ultrasonic transducer|
|Issue Date: ||9-Dec-2008 |
|Citation: ||US Patent 7,462,960 B2. Washington, DC: US Patent and Trademark Office, 2008.|
|Abstract: ||An ultrasonic transducer driver has a giant magnetostrictive element, a fastener for holding the giant magnetostrictive element under mechanical pressure, a first field generator for providing a magnetic bias field, a second field generator for providing a magnetic drive field and a magnetic circuit for channelling the magnetic fields in the magnetostrictive element. An ultrasonic transducer for a bonding apparatus has a horn having a bonding tool at its smaller end and a mounting barrel adjoined onto it. The driver coupled to the larger end of the horn.|
|Rights: ||Assignee: The Hong Kong Polytechnic University.|
|Appears in Collections:||AP Patents|
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