Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/1336
| Title: | Driver for an ultrasonic transducer and an ultrasonic transducer | Authors: | Or, DSW Yung, CS Chan, HLW |
Issue Date: | 9-Dec-2008 | Source: | 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. | Keywords: | Ultrasonic transducer Ultrasonic driver |
Rights: | Assignee: The Hong Kong Polytechnic University. |
| Appears in Collections: | Patent |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| us7462960b2.pdf | 581.41 kB | Adobe PDF | View/Open |
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