Patent · US Expired

Probe card with tunable stage and at least one replaceable probe

US7253646B2 · kind B2 · utility

12Cited by
14References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 2005
Grant dateAug 7, 2007
Priority date
Expiry dateFeb 2, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R31/2889
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present probe card comprises a circuit board, a platform fixed on the circuit board, a tunable stage positioned on the platform, a probe carrier positioned on the tunable stage and at least one probe positioned on the probe carrier. The tunable stage comprises a stationary part positioned on the platform, a movable part for loading the probe carrier and a driving mechanism connecting the stationary part and the movable part. The probe carrier is positioned on the movable part and the relative position between the probe on the probe carrier and a DUT can be adjusted by the driving mechanism.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.