A fixture for testing circuits includes a rectangular array of conductive test pads, alternating with insulating areas in a checkerboard-like pattern. In a first embodiment, the entire array is printed on a central portion of a plastic membrane, with outer portions of the membrane carrying electrical...http://www.google.de/patents/US6252414?utm_source=gb-gplus-sharePatent US6252414 - Method and apparatus for testing circuits having different configurations with a single test fixture
