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The East Fishkill fab runs three shifts 24/7, and closes down for only three shifts a year: Christmas Eve, Christmas Day and Christmas Night. "We ask for volunteers. We're not at full staff but we actually run those shifts," Arthur says. "The last time this facility closed was four years go. We closed it to do some major preventative maintenance on some of the infrastructure."
During Hurricane Sandy, in October, the fab didn't lose power, but was hit instead by power spikes. "Our equipment has anywhere from seven to 20 PCs that control it," Arthur explains. "So what appears to be the weak link on the tools is the PCs. If you lose power, or if it drops a certain percent for so many cycles, the PC will just lock up. We ended up with 17 power dips here [during Sandy]. We weathered 15. Number 16 took the fab, shut the tools off." It took about eight hours for the tools to restart, he adds.
Power to the fab is fed from three directions, Arthur says, "so we can actually take a hit on one, if the other two stay up... What hurts us is if more than one goes down".