Metal working – Means to assemble or disassemble – Means to assemble electrical device
Reexamination Certificate
2005-07-01
2008-08-26
Nguyen, Donghai D. (Department: 3729)
Metal working
Means to assemble or disassemble
Means to assemble electrical device
C029S832000, C029S834000, C198S468400
Reexamination Certificate
active
07415759
ABSTRACT:
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, whereby the detachment of a semiconductor chip from the foil is supported by means of a die ejector and whereby a pick and place device picks the semiconductor chip presented above the die ejector and deposits it onto the substrate comprises:Forward feeding the substrate along a transport direction designated as x direction,Equipping a predetermined number of columns with semiconductor chips in accordance with the steps:Moving the pick and place device to an x position corresponding to the column to be equipped,Moving the die ejector to this x position, andEquipping the substrate places of the column.
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Nguyen Donghai D.
Ritchie David B.
Thelen Reid Brown Raysman & Steiner LLP
Unaxis International Trading Ltd.
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