Patent ID: 6303180
Filing Date: 2001-10-16
Classification: B29L,F16J,H05K

Abstract:
A method of making a form-in-place elastomeric EMI shielding gasket, comprising:extruding onto a substrate to be gasketed a free-form polymeric thermal additional cure system having a viscosity of from about 100,000 to about 10,000,000 centipoise, and including a resin selected from the group consisting of silicone, siloxane, thermoplastic elastomers and mixtures thereof and an electrically-conductive filler; andcuring the system under atmospheric pressure, thereby forming a gasket having bulk resistivity of less than about 0.050 ohm cm, a force/deflection value of from about 35 N/m to about 267 N/m, a shore A hardness of at most about 90 and a closure force of at most about 5 pounds/linear inch.