Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Reexamination Certificate
2006-12-26
2006-12-26
Hollington, Jermele (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
Reexamination Certificate
active
07154258
ABSTRACT:
An IC transfer device is provided that can combat the generation of the cracks in handling the IC packages. When the hand3comes in contact with the IC package4accommodated on the tray5,a load cell6comes in contact with a bottom surface of a base10.Reference values as to a press-down amount and a press-down speed of the hand3are set in a setting section so as not to cause cracks in the IC package4due to the instantaneous load at the time of contact between the hand3and the IC package4.In a transfer operation, when detecting the contact between the hand3and the IC package4,a control section20controls a servomotor of the hand drive mechanism22so that the hand3operates according to the reference values set in the setting section.
REFERENCES:
patent: 6690284 (2004-02-01), Ohno et al.
patent: 7-55879 (1995-03-01), None
patent: 2001-51018 (2001-02-01), None
patent: 2001-85197 (2001-09-01), None
Hollington Jermele
Nguyen Trung Q
Ricoh & Company, Ltd.
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