Patent · US Expired

Probe card cleaning apparatus, probe apparatus with the cleaning apparatus, and probe card cleaning method

US5778485A · kind A · utility

33Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 1995
Grant dateJul 14, 1998
Priority date
Expiry dateDec 5, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R3/00
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A cleaning apparatus for cleaning a probe card having a contact element to be brought into electrical contact with a pad of a circuit to be inspected, comprises a conductive brush to be brought into contact at least with the contact element to clean the probe card, and a gas blow mechanism for intermittently blowing gas to the brush. The conductive brush is vibrated by the gas blow, and a particle adhered from the probe card is removed by the vibrating brush and the gas jet.

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