Patent ID: 7568960

Claim:
A connector having a non-galvanic signal interface for carrying both high frequency signal content and low frequency signal content comprising: a first contact for engaging with a second contact of a complementary mating connector at a predetermined contact force; and at least one of the first and second contact having a dielectric film at an area of engagement between the first and second contact such that a thickness of the dielectric film between the first and second contact at the area of engagement is a predetermined thickness for providing capacitive coupling for said high frequency signal content and allowing electronic tunneling for said low frequency signal content wherein the resistance and capacitance of the engaged first and second contact are represented by the equations C f =∈ f F/ 2 t ( H+F/A n ); and R f =σ(2 t )( H/F+ 1 A n ) (5) wherein C f is the capacitance, ∈ f is the dielectric constant of the dielectric film, 2t is the predetermined thickness, R f is the resistance, σ is the tunnel resistivity of the dielectric film having the predetermined thickness, F is the predetermined contact force, H is the micro hardness of the first contact and A n is the redetermined area of engagement.