Ný gerð af korklínu og aðferð til að búa hana tilTæki til að búa til nýja gerð af korklínu

摘要

PURPOSE:To accomplish at a high speed the classification and appreciation of the kinds of defects on the surface of a test piece with the use of a simple construction by detecting the scattered lights from the test piece with the irradiation lights in two directions and by converting the scattered lights into binary signals.