Patent ID: 6137302
Filing Date: 2000-10-24
Classification: G01R

Abstract:
A probe card for probing a test device comprising:(a) a dielectric board forming an opening;(b) a probing device for probing a corresponding probing site on said test device, said probing device including an elongate probing element, said probing device being mounted about said opening so that said probing element terminates below said opening for probing said site; and(c) a cable connecting said probing device to a test instrument, said cable including an inner conductor, an inner dielectric and an outer conductor, said inner conductor being electrically connected to said probing element, each cable further including an inner layer of material between said inner dielectric and said outer conductor of suitable composition for reducing triboelectric current generation between said inner dielectric and said outer conductor to less than that which would occur were said inner dielectric and said outer conductor to directly adjoin each other.