Importance

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Abstract

Substrates of a precedent lot are transported among first processing parts while being processed by the first processing parts. The circulating transportation for the precedent lot is interrupted after starting of the circulating transportation of the first substrate of the precedent lot before starting of the circulating transportation of the last substrate of the precedent lot. Thereafter, a substrate of a subsequent lot is transported among second processing parts while being processed by the second processing parts. Hence, processing of the substrates of the precedent and subsequent lots are concurrently processed, resulting in improving a through put.

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First Claim