Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Reexamination Certificate
2007-12-18
2007-12-18
Nguyen, Ha Tran (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
Reexamination Certificate
active
11142663
ABSTRACT:
A first spring54is provided between a support member51driven in the Z-axis direction and a heat block53, and biases the support member51and the heat block53in the direction of separating them from each other. A second spring57is provided between a first pusher55for pressing a die81of an IC device8and a second pusher56for pressing a substrate82of the IC device8, and biases the first pusher55and the second pusher56in the direction of separating them from each other.
REFERENCES:
patent: 6057700 (2000-05-01), Crispell
patent: 6069483 (2000-05-01), Maxwell et al.
patent: 6369595 (2002-04-01), Farnworth et al.
patent: 6590383 (2003-07-01), Yamashita et al.
patent: A-11-329646 (1999-11-01), None
patent: A-2002-131379 (2002-05-01), None
Search Report from European Patent Office issued on Jan. 3, 2006 for the corresponding European patent application No. 02783760.8-2216 (a copy thereof).
Advantest Corporation
Nguyen Ha Tran
Nguyen Tung X.
Posz Law Group , PLC
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