发明名称 FILM INSPECTION DEVICE AND FILM INSPECTION METHOD
摘要 PROBLEM TO BE SOLVED: To provide an inspection device and an inspection method for inspecting fish-eyes generated when manufacturing a film. SOLUTION: This film inspection device 10 includes a camera 12 having a sensor wherein a light source for emitting light transmitted through the film and a light receiving part, for scanning the film by the sensor; an analysis means 14 for converting a charge signal acquired by scanning by the sensor into a voltage signal, and analyzing a defective part of the film from the voltage signal; and a comparator 18 for comparing the analyzed voltage signal with a plurality of magnitude thresholds, and determining the magnitude threshold coincident with the voltage signal. COPYRIGHT: (C)2007,JPO&INPIT
申请公布号 JP2007003208(A) 申请公布日期 2007.01.11
申请号 JP20050180395 申请日期 2005.06.21
申请人 GUNZE LTD 发明人 UEHARA OSAMU
分类号 G01N21/892;G01B11/30 主分类号 G01N21/892
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