Patent ID: 6448533
Filing Date: 2002-09-10
Classification: G02F,H01L,H05K,Y10T

Abstract:
A method of repairing a disconnected wiring, which has a step of connecting a main wiring, in which disconnection is caused, and a spare wiring, which is formed on or under the main wiring via an interlayer insulating film, in their intersecting region of the main wiring and the spare wiring, the method comprising the steps of:opening a hole by irradiating a laser beam of a first output intensity from a laser to the intersecting region of the main wiring and the spare wiring; and connecting the spare wiring and the main wiring by melting a part of the spare wiring and the main wiring by irradiating a laser beam of a second output intensity, which is higher than the first output intensity, toward the hole.