Patent ID: 8679393
Filing Date: 2014-03-25
Classification: H01Q,H05K,Y10T

Abstract:
1. A method for producing an EMI/RF absorbing material, comprising: dispersing metallic flake in a resin; providing a first coat of the resin containing dispersed metallic flake using a knife-over-roll coater to form a first layer; and providing a second coat of the resin containing dispersed metallic flake to the first layer using a knife-over-roll coater to form a second layer, at least one of the first or second layers having a substantially uniform distribution of metallic flake throughout a thickness of the first or second layers; wherein the knife-over-roll coater orients a substantial portion of the metallic flake as the resin and metallic flake pass a knife of the knife-over-roll coater.