Sprayable adhesive material for laser marking semiconductor...

Details Sprayable adhesive material for laser marking semiconductor... Sprayable adhesive material for laser marking semiconductor...

2007-03-06

2007-03-06

Heinrich, Samuel M. (Department: 1725)

Electric heating

Metal heating

By arc

C438S106000

Reexamination Certificate

active

10685818

ABSTRACT:
A sprayable adhesive composition having a viscosity within the range of 0.5 Pa.s to 5.0 Pa.s, containing at least one colored filler present in an amount up to 50% by weight of the adhesive composition, is suitable for marking identifications or fiducials on semiconductor dies or wafers. The preferred resins include epoxy resins or combinations of an electron donor resin and an electron acceptor resin.

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