Patent ID: 7748110

Claim:
A method for producing a connection member, comprising: providing an insulating substrate having an upper surface, a lower surface opposite said upper surface, and a side surface interconnecting said upper and lower surfaces; and providing wiring having a side-surface wiring portion disposed on at least a part of said side surface, and also having at least one of (i) an upper-surface wiring portion disposed on at least a part of said upper surface and connected to said side-surface wiring portion, and (ii) a lower-surface wiring portion disposed on at least a part of said lower surface and connected to said side-surface wiring portion, wherein providing said insulating substrate and providing said wiring comprises bending a semi-cured resin sheet having thereon at least one wiring extending in a plane such that parts of said semi-cured resin sheet face each other, a portion of said at least one wiring corresponding to said side-surface wiring portion extends on a bent part of said semi-cured resin sheet, and a portion of said at least one wiring corresponding to said upper-surface wiring portion faces a portion of said at least one wiring corresponding to said lower-surface wiring portion across said semi-cured resin sheet, and further comprising: curing said semi-cured resin sheet after having been bent such that said at least one wiring is disposed directly on the cured rigid resin.