Patent ID: 6720781
Filing Date: 2004-04-13
Classification: G01R

Abstract:
A probe for a circuit board tester comprisinga needle with an outer wall; a sleeve with a sleeve inner wall surrounding at least a portion of the outer wall of the needle to guide the needle; and a spring being provided in said sleeve which counteracts movement of said needle; wherein said needle protrudes more than 10 millimeters (mm) from said sleeve, has a maximum diameter (d2) of less than 0.30 mm, and tapers to a contact tip from the sleeve; and wherein the probe is installed in a circuit board tester comprising: a regular grid pattern array; and an adapter including at least two layers in parallel with each other, a first side contact of the probe being in electrical contact with and adapted to a contact arrangement on said grid pattern array, wherein said contact tip of said probe protrudes from a second side, whereby the contact tip is assigned to a specific circuit board test point of a test object and is in electrical contact with said circuit board test point of a test object inserted in said tester.