To securely clean dirty material deposited on ends of board electrical-test probes used in a board test device for executing tests including an incircuit test by a cleaning job executed once, the extreme ends of the contact pins of the board electrical-test probes are pierced through an elastic sheet...http://www.google.de/patents/US6118289?utm_source=gb-gplus-sharePatent US6118289 - Cleaning method and cleaning device and cleaning tool for board electrical-test probes, and board electrical-test device and method
