Patent ID: 9535321
Date: 2017-01-03
CPC Classifications: B82Y,G03F

Claim:
1. An imprint apparatus that molds an uncured resin on a substrate using a mold to form a resin pattern on the substrate, the apparatus comprising: a measuring device configured to project a light onto the mold and to receive a light scattered by the mold to obtain a measurement signal based on the received scattered light; and a controller configured to store a reference signal, an upper limit value and a lower limit value, programmed to cause the measuring device to obtain the measurement signal, and programmed to output information indicating which one of the upper limit value and the lower limit value that a discrepancy between the measurement signal and the reference signal exceeds, wherein the upper limit value is a threshold corresponding to one of a defective convex portion and adhering matter in the mold, and the lower limit value is a threshold corresponding to the other of the defective convex portion and the adhering matter.