Thick film getter paste compositions for use in moisture...

Details Thick film getter paste compositions for use in moisture... Thick film getter paste compositions for use in moisture...

2003-11-13

2008-10-21

Anthony, Joseph D (Department: 1796)

Compositions

Getters or gas or vapor generating materials for electric...

C252S181600, C252S181700, C252S194000, C501S014000, C501S015000, C501S016000, C501S017000, C501S021000, C501S032000, C501S077000

Reexamination Certificate

active

07438829

ABSTRACT:
The invention is directed to a screen-printable getter composition comprising: (a) glass frit; dispersed in (b) organic medium. The invention is further directed to a screen-printable thick film getter composition comprising: (a) glass frit; and (b) desiccant material; dispersed in (c) organic medium.The present invention further relates to a getter composition utilizing low-softening temperature glasses comprising, based on weight %, 1-50% SiO2, 0-80% B2O3, 0-90% Bi2O3, 0-90% PbO, 0-90% P2O5, 0-60% Li2O, 0-30% Al2O3, 0-10% K2O, 0-10% Na2O, and 0-30% MO where M is selected from Ba, Sr, Ca, Zn, Cu, Mg and mixtures thereof. The glasses described herein may contain several other oxide constituents that can substitute glass network-forming elements or modify glass structure.

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