Patent ID: 6943059

Claim:
A flip chip mounting method comprising the steps of: (a) preparing a chip including a pad covered with an insulation film; (b) selectively removing said insulation film over said pad to expose said pad; (c) after said step (b), forming a polyimide film including a first opening for exposing said pad, on said insulation film; (d) filling said first opening to form a solder bump on said pad; and (e) filling an underfill resin between an assembly substrate and said chip, for bonding said assembly substrate and said chip with said solder bump interposed therebetween, wherein said chip prepared in said step (a) further includes a fuse covered with said insulation film, said step (b) further includes the step of selectively removing said insulation film above said fuse, and said polyimide film formed in said step (c) further includes a second opening formed above said fuse.