Patent ID: 11920238
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC C  B  H | IPC B  C  H

Claim 8:
9. A method of making a sealing article, comprising:
providing a body made of a polymeric elastomer selected from the group consisting of perfluoroelastomer, fluoroelastomer and combinations thereof, and
forming a coating layer on a top surface of the body, the coating layer comprising at least one metal,
wherein the body has a whole cross-section in a semi-circular or semi-elliptical shape, the top surface of the body is a flat surface, the body is a monolithic solid, and the coating layer is a layer disposed on the flat surface of the body, and
wherein the body defines pores on the flat surface only, and the coating layer has a portion interpenetrated into the pores.