Encapsulated electronic devices and encapsulating compositions having crown ethers
AssigneeWestern Electric Company, Inc.
InventorChing-Ping Wong
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Abstract
An electronic device having a silicone encapsulant includes a 12-crown or 15-crown ether in the encapsulant for preventing migration of sodium or potassium ions.
Claims7
An electronic device comprising a circuit element, and an encapsulant therefor wherein said encapsulant is a polymeric material having dissolved therein a crown ether selected from the group consisting of a 12-crown-4 ether, a 15-crown-5 ether and derivatives thereof.
A composition of matter comprising a polymeric elastomer having dissolved therein a crown ether selected from the group consisting of a 12-crown-4 ether, a 15-crown-5 ether and derivitives thereof.
Dependencies are inferred from the claim text.