Desiccant package having a controllable permeation rate for high reliability applications
First Claim
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1. A desiccant package comprising:
- a housing having at least one opening;
a desiccant material located in said housing; and
a sealing element secured over said at least one opening, said sealing element having a particular thickness and including a water-permeable membrane such that said particular thickness gives rise to a desired permeation rate for water vapor, said sealing element having a first and second wire mesh elements, wherein said membrane being located between said first and second wire mesh elements, at least one O-ring for sealing said sealing element in said opening, a retaining ring located on an outer surface of said sealing element for securing said sealing element in said opening.
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Abstract
A desiccant package is provided that includes a housing having at least one opening. A desiccant material is located in the housing. A sealing element, which is secured over the opening, includes a water-permeable membrane. The sealing element reduces the rate at which moisture enters the desiccant container and prevents fine particles from escaping from the package.
22 Citations
13 Claims
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1. A desiccant package comprising:
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a housing having at least one opening;
a desiccant material located in said housing; and
a sealing element secured over said at least one opening, said sealing element having a particular thickness and including a water-permeable membrane such that said particular thickness gives rise to a desired permeation rate for water vapor, said sealing element having a first and second wire mesh elements, wherein said membrane being located between said first and second wire mesh elements, at least one O-ring for sealing said sealing element in said opening, a retaining ring located on an outer surface of said sealing element for securing said sealing element in said opening. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A desiccant package, comprising:
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a housing having at least one opening;
a desiccant material located in said housing; and
means for allowing moisture to be conducted through said opening at a prescribed rate while preventing particles larger than about 0.5 microns from being conducted through said opening, said conduction means including a first and second wire mesh elements wherein said membrane is disposed therebetween, an O-ring for sealing said sealing element in said opening, and a retaining ring located on an outer surface of said sealing element for securing said sealing element in said opening. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification