Patent ID: 7119558
Filing Date: 2006-10-10
Classification: G01R

Abstract:
1. Test probe for a finger tester for the testing of circuit boards, with no independent drive, the test probe comprising: a test needle with a probe tip which may be brought into contact with a circuit board test point; a mount; and at least two pairs of flexible sprung retaining arms that pivotably attach the test needle to the mount, wherein at least one of the retaining arms is made of an electrically conductive material and is electrically connected to the test needle, wherein each pair of retaining arms is mounted in one plane, with one end fixed to the test needle and the other end to the mount, and each pair of retaining arms spanning legs of a triangle having at least a partially open interior when viewed from above and wherein the length of the retaining arms further away from the probe tip viewed from the side is designated by the variable a, the length of the retaining arms closer to the probe tip by the variable b, the length of the test needle by the variable L, and the length of the section of the test needle between the respective retaining arms by the variable L