Aries Electronics has introduced Protect-A Probe, an anti-diffusion gold coating, for its complete line of burn-in and test socket spring probes.
The coating is designed to lessen or eliminate the need for probe cleaning by applying its anti-diffusion, gold coating onto the probe before assembly. This coating, once applied, acts somewhat like a Teflon barrier, preventing solder and other debris from adhering to the probe tip. This lessens (or eliminates) cleaning requirements, which in turn reduces downtime and increases throughput.
When used in HAST, HTOL or standard burn-in applications, this system can prevent IC solder balls/bumps from sticking to the probe and causing damage to the IC and/or socket. When used in test (including RF testing) applications, a probe that stays cleaner, for longer, will yield more consistent contact resistance readings over a longer period of time.
This coating has been tested in a socket with an IC which had SAC405 balls on 0,35 mm pitch for over 1500 hours at 150°C. No debris or IC or socket damage was apparent. It is available for Aries’ complete line of spring-probe, standard and custom test and burn-in sockets, as well as the complete line of spring-probe based RF test sockets.
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