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For an age reduction preventive maintenance (PM) model over a finite time span (L), it is found from literature that a shorter interval between each PM (T) can result in a better expected total maintenance cost (TC). The optimal policy of the stated PM model (called the original PM model) is usually obtained by searching the optimal value of T over the specified range [Tmin, Tmax) for a given number...
FinFET devices achieving N/P Ion values of 1250/950 uA/um at 100nA/um at 1V, 1300/1000 uA/um with self-heating correction, are demonstrated, using a dual work function gate-first process flow at 100 nm gate pitch and 40 nm fin pitch. Ring-oscillator (RO, FO=3) functionality has been demonstrated, showing excellent Vdd scalability. We have also demonstrated logic scan chain functionality and yield...
Different type of maintenance problems have been investigated during the past decades. With the growth in complexity of modern systems, the cost of purchasing new systems becomes higher ever than before. Surprisingly, very little attention in the literature has been paid to the failure replacement in these preventive maintenance models. However, in practice most systems incur increasingly expensive...
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