Dual frequency power supply and transducer
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United States of America Patent
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-
Oct 6, 1998
Issued Date -
N/A
app pub date -
May 10, 1996
filing date -
Aug 24, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The power supply may be operated during a given cycle sequentially to produce high and low frequency drive signals for operating an ultrasonic transducer for sequentially producing an ultrasonic output at the two frequencies to carry out bonding operations at two different bond sites respectively.
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