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US 5,244,707 AGranted
Enclosure for electronic devices
OwnerA. Andrew Shoresinventor
Life of this patent
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Abstract
A sealed enclosure of an electronic device incorporates a coating or adhesive with desiccant properties. The coating or adhesive comprises a protonated alumino silicate powder dispersed in a polymer.
Claims10
A sealed enclosure surrounding an electronic device and a coating or adhesive with desiccant properties, said coating or adhesive comprising a powder dispersed in a polymer containing the elements carbon and hydrogen and one or more of the elements oxygen, nitrogen, sulfur, halogen, and silicon in its repeating unit, said powder being a protonated alumino silicate of:
- the formula H.AlO.sub.2.(SiO.sub.2).sub.x, x=1-20
- void fraction 10-50 volume percent
- average pore diameter 2.5-15 Angstrom
- average particle size 0.2-100 micrometer, and
- said powder to said polymer weight ratio being 0.001-2.
2 more elements
Dependencies are inferred from the claim text.