Patent ID: 7175887

Claim:
A method of coating a fluorocarbon resin on a surface of a first member made of aluminum or aluminum alloy and configured to undergo sliding contact with a surface of a second member, comprising the steps of: roughening the surface of the first member by irradiating the surface of the first member with a laser to form a plurality of first recesses thereon; cleaning the surface of the first member after the roughening step; finely roughening the surface of the first member after the cleaning step by irradiating the first recesses on the surface of the first member with a plasma to form a plurality of second recesses which are shallower than the first recesses; coating a fluorocarbon resin on the surface of the first member after the finely roughening step so that the fluorocarbon resin securely contacts and adheres to the surface of the first member due to the rough and clean state of the surface of the first member; and heating the surface of the first member after coating the fluorocarbon resin.