Patent ID: 7943059

Claim:
A screen-printable getter composition consisting of: (a) 5-55 wt %, based on total composition, hydroscopic glass frit comprising 1-50% SiO 2 , Bi 2 0 3 , and 0.8-30 wt % Al 2 0 3 ; and (b) zeolite desiccant material; wherein said component (a) and said component (b) are dispersed in (c) organic medium comprised of organic polymeric binder and volatile organic solvent, wherein said organic polymeric binder is selected from the group consisting of ethyl cellulose, ethylhydroxyethyl cellulose, wood rosin, mixtures of ethyl cellulose and phenolic resins, polymethacrylates of lower alcohols, monobutyl ether of ethylene glycol monoacetate, and mixtures thereof, and wherein said volatile organic solvent is selected from the group consisting of ethyl acetate, terpenes, kerosene, dibutylphthalate, butyl carbitol, butyl carbitol acetate, hexylene glycol, high boiling alcohols, alcohol esters, and mixtures thereof.