Patent ID: 6612032
Filing Date: 2003-09-02
Classification: B41J,Y10T

Abstract:
A method for assembling a multi-color ink jet pen which comprises:providing an ink jet pen body containing two or more semiconductor chip pockets; dispensing a die attach adhesive in a predetermined pattern in each of the chip pockets, the die attach adhesive having a first cure time greater than about 15 minutes; dispensing beads containing a second adhesive in two or more discrete locations around an inside perimeter of each chip pocket adjacent the die attach adhesive, the second adhesive having a second cure time substantially shorter than the first cure time of the die attach adhesive; attaching to the die attach adhesive and second adhesive in each of the chip pockets a semiconductor chip having chip edges and having a flexible circuit or TAB circuit attached to the chip; curing the second adhesive to hold the chips in a predetermined alignment; curing the die attach adhesive using heat or radiation; attaching the flexible circuit or TAB circuit to the ink jet pen body; and attaching one or more removable cartridges containing ink to the pen body.