Patent ID: 8414999
Filing Date: 2013-04-09
Classification: B25B,B32B,H01L,Y10T

Abstract:
1. A suction sheet to be attached onto a suction surface of a suction apparatus that holds an object by vacuum suction, comprising: a substrate that has a plurality of through holes formed therein and one surface to be brought into contact with the suction surface; a porous body with a thickness of 1.4 mm or less that is adhered onto a surface of the substrate other than the surface to be brought into contact with the suction surface so as to cover the plurality of the through holes of the substrate, wherein the plurality of the through holes of the substrate are arranged so that a distance between a center of each individual through hole and a center of its adjacent through hole closest thereto is 65 mm or less, the plurality of the through holes each have an opening area of 64 mm a formula: B/A