Advanced Probing Systems, Inc. - Leading the Probe Needle Industry Advanced Probing Systems, Inc. ("APS") is the global leader in the manufacture of solid pins used in wafer test, as medical electrodes, as spotting pin blanks in genome testing and in a variety of other applications. APS combines electro-chemical machining, grinding, forming and plating to provide the optimal, most cost efficient pin for your application. Products range from cobra style pins formed from wires in diameters of .004" or less to pins of .400" or larger etched or ground for use in scientific and