Importance

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Abstract

A method of forming a button-type battery, includes: a) providing an electrically conductive sheet having an exposed surface which is divisible into a plurality of areas; b) depositing an uncured electrically insulative gasket material onto the conductive sheet into a plurality of the areas, the gasket material being deposited to define at least one discrete pattern within the respective deposited areas, the respective discrete patterns covering less than a total of their respective areas; c) curing the deposited gasket material; d) cutting and forming a plurality of discrete first terminal housing members from the areas of the conductive sheet, the respective first terminal housing members comprising at least a portion of one of the discrete patterns of gasket material; d) providing a discrete electrically conductive second terminal housing member in facing juxtaposition to one of the first terminal housing members; e) providing an anode and a cathode having a separator and electrolyte positioned therebetween; the anode, cathode, separator and electrolyte being positioned intermediate the juxtaposed first and second terminal housing members; the anode being positioned to electrically connect with one of the first or second terminal housing members and the cathode being positioned to electrically connect with the other of the first or second terminal housing members; and f) crimping the first and second terminal housing members together into an enclosed battery housing with the gasket material being interposed between the first and second terminal housing members to provide a fluid-tight seal and to provide electrical insulation therebetween.

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First Claim