Patent ID: 9419154
Filing Date: 2016-08-16
CPC Classification: H01L,Y02E

Claim Text:
1. A method of forming a first electrode and a second electrode on a semiconductor substrate, the first electrode and the second electrode being interdigitated, the method comprising: providing a dielectric layer on a surface of the semiconductor substrate; providing a metal seed layer on the dielectric layer; patterning the metal seed layer by laser ablation, thereby separating the metal seed layer into a first seed layer and a second seed layer interposed by a separation region formed therebetween, wherein the first seed layer and the second seed layer are interdigitated and electrically isolated from each other; and thickening the first seed layer and the second seed layer by plating, thereby forming the first electrode and the second electrode, wherein before thickening of the first seed layer and the second seed layer, the dielectric layer is partially removed from the separation region.