Drying getters

Details Drying getters Drying getters

2006-08-15

2006-08-15

Thexton, Matthew A. (Department: 1714)

Compositions

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

Metal or metal compound containing

C502S034000, C502S055000

Reexamination Certificate

active

07090787

ABSTRACT:
A zeolite and an organic binder are mixed with a solvent to form a paste (302). The paste is then cast or molded (304) into the desired shape. A portion of the solvent is allowed to evaporate from the paste, hardening the getter (306). Getters are often formed in sheets and cut (308) into individual pieces, called dibs, after the sheets have hardened. Even after the getter is hardened, significant amounts of solvent are retained by the getter. The getter is exposed to water vapor which displaces (310) the solvent from the getter. After the solvent is removed, the getter is dried (312) to remove additional water vapor. Because the water vapor does not bind as tightly to the zeolite getter, the water vapor is removed much easier than the solvent. The water may be removed by allowing the getter to dry naturally, or by a vacuum bake process.

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patent: 6284153 (2001-09-01), Miller et al.
patent: 6843936 (2005-01-01), Jacobs

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