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7464807 |
Transfer device of handler for testing semiconductor device
A transfer device of a handler for testing semiconductor devices is provided in which a pitch between each of a plurality of picker heads may be adjusted without replacing a cam plate. The transfer...
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7415759 |
Method and apparatus for mounting semiconductor chips
A method for mounting semiconductor chips onto a substrate with which substrate places are arranged in columns, whereby the semiconductor chips adhering to a foil are presented on a wafer table,...
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7412863 |
Work positioning device
Regarding predetermined positioning criteria (M 1 , M 2 ), ((G 1 , G 2 ), (N 1 , or N 2 ), (K 1 , K 2 )), there is provided image processing means ( 40 B) for obtaining by image processing,...
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7410046 |
Work transfer device for press machines
A transfer feeder 41 for a transfer press 1 comprises a pair of bars 14 provided on a moving bolster 30 in parallel with a work transfer direction, a feed carrier 52 held by the bars 14 ...
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