Patent ID: 6335126
Filing Date: 2002-01-01
Classification: G03F

Abstract:
A method of manufacturing a pellicle comprising the steps of:temporarily coating a thin film, which is a constituting member of a pellicle which is a dust cover for a mask used in patterning in manufacturing a semiconductor device or a liquid crystal display plate, on a temporary frame larger than a pellicle frame which is another constituting member of the pellicle; coating an adhesive on said pellicle frame in advance; overlapping said temporary frame on said pellicle frame coated with said adhesive; adhering said thin film which has been temporarily coated on said temporary frame to said pellicle frame by said adhesive; transferring said thin film coated on said temporary frame to said pellicle frame from said temporary frame; and cutting off a portion of said thin film transferred to said pellicle frame, the portion which is protruded from said pellicle frame, with a physical trimming means, and wherein a coating material, consisting of a saturated solution of an organic solvent and a specified resin saturatedly dissolved therein, said coating material which is a thermo-setting type adhesive or an ultraviolet curing type adhesive which can suppress dust produced in cutting off said thin film and does not remove said dust from said thin film, is supplied to a cut-off portion which is intended to be cut off, by said physical trimming means, at the same time or before cutting off said thin film with said physical trimming means.