Patent ID: 7371335
Filing Date: 2008-05-13
Classification: B01D,B01J,H01L

Abstract:
1. A thick film getter composition consisting of: (a) desiccant material selected from the group consisting of zeolites, metal sulfates, metal chlorides, metal bromides, and mixtures thereof; dispersed in (b) organic medium consisting of (1) curable organic polymeric binder; (2) monomer; and (3) photoinitiator selected from the group consisting of unsubstituted polynuclear quinones, substituted polynuclear quinones, vicinal ketaldonyl alcohols, alpha-hydrocarbon-substituted aromatic acyloins, phenazine dyes, oxazine dyes, quinine dyes, Michler's ketone, benzophenone and 2,4,5-triphenlimidazlyl dimers having hydrogen donor, wherein the weight percent of the desiccant ranges from 10 to 65 percent of the total composition and the weight percent of the organic medium ranges from 35 to 90 percent of the total composition.