Patent ID: 7222406
Filing Date: 2007-05-29
Classification: B32B,C04B,F16J,H01M,Y02E,Y10T

Abstract:
1. A method for making a multi-layer seal, comprising: providing a gasket body consisting essentially of a single sheet comprising mica, the gasket body defining first and second generally flat opposing surfaces; and positioning a first compliant material adjacent to said first surface to form a first compliant interlayer and positioning a second compliant material adjacent to said second surface to form a second compliant interlayer, wherein at least one of the first and second compliant interlayers comprises a composition different from the composition of the gasket body, the multi-layer seal is configured to withstand temperatures greater than about 600° C., and at least one of the first and second compliant interlayers is unbonded to the gasket body at least until the multi-layer seal is incorporated into a device.