Moisture and particle getter for enclosures
First Claim
1. A hermetically sealed enclosure housing an electronic device and having an inner surface provided on at least some portion thereof with a coating of a pressure sensitive adhesive containing 4-40 volume percent of a finely particulated solid desiccant having an average particle size of 0.2-100 micrometer, said coating having a thickness of 1-25 mil and being effective to maintain an environment within the enclosure substantially moisture-free and substantially devoid of free solid particles.
4 Assignments
0 Petitions
Accused Products
Abstract
An enclosure for providing both a moisture free and particle free environment is disclosed. A portion of the inner surface of the enclosure, that comprises an electronic device sealed in a container, is coated with a pressure sensitive adhesive comprising 4-40 percent, by volume, of a solid desiccant. The preferred adhesive is a silicone pressure sensitive adhesive and the preferred desiccant is zeolite.
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Citations
14 Claims
- 1. A hermetically sealed enclosure housing an electronic device and having an inner surface provided on at least some portion thereof with a coating of a pressure sensitive adhesive containing 4-40 volume percent of a finely particulated solid desiccant having an average particle size of 0.2-100 micrometer, said coating having a thickness of 1-25 mil and being effective to maintain an environment within the enclosure substantially moisture-free and substantially devoid of free solid particles.
- 11. A hermetically sealed enclosure housing an electronic device and having an inner surface at least some portion of which is provided with a coating of a pressure sensitive adhesive which is effective to maintain an environment within the enclosure substantially devoid of free solid particulate contaminants, said coating having a thickness of 1-25 mil and containing a finely particulated solid desiccant having an average particle size of 0.2-100 micrometer in an amount effective to maintain said environment substantially moisture-free.
Specification