Patent ID: 9315415
Filing Date: 2016-04-19
CPC Classification: C03C,C09D,C23C,Y10T

Claim Text:
1. A method for preparing an abrasion resistant oil-repellent film on a substrate comprising: depositing a first film on a surface of the substrate by a dry ion-assisted deposition method by simultaneously depositing the first film made of an inorganic material selected from the group consisting of SiO the ion-beam exposure continues as a first irradiation treatment to form a roughened surface on the first film with a centerline average roughness (Ra): 0.1 to 1000 nm, a 10 point average height (Rz): 5 to 2000 nm and a maximum valley depth (Pv): is 15 to 200 nm, a cycle of projections: 1 to 50 nm; and depositing a second film having oil repellency on the roughened surface by vacuum vapor deposition to form the abrasion resistant oil-repellent film on the substrate.