Importance

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Abstract

An improved construction is provided for interfacing board type interconnect system apparatus for use in effecting a multiplicity of concurrent, respective, electrical connections with closely spaced, typically irregularly arranged, contactable, electrically conductive zones of a printed circuit board or the like, such as is required, for example, in the testing of such devices. The apparatus employs a preferably laminated assembly of stacked, electrically insulative plates, including support plates pre-drilled to provide a matrix of relatively small and closely spaced holes for mounting spring pin type contactor assemblies and backing plates for physical reinforcement of the support plates and pre-drilled to provide a matrix of relatively larger and less closely spaced openings each communicating with a plurality of the mentioned holes to present a clearance path for electrical leads associated with the contactor assemblies. The construction utilized minimizes the drilling required to produce interfacing boards of requisite physical strength, precision, reliability and versatility for use in effecting a multiplicity of electrical connections with the test points of printed circuit board or similar devices having various arrangements of contactable zones thereon.

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First Claim