Patent ID: 7217888

Claim:
An electronic parts packaging structure comprising: a mounted body on which electronic parts are mounted; the electronic parts having a connection pad formed on a surface side of the electronic parts; the electronic parts being mounted on the mounted body to direct the connection pad upward, the connection pad being constructed of an aluminum pad and an etching stopper film covering the aluminum pad; the aluminum pad consisting of aluminum or an aluminum alloy; the etching stopper film bing constructed of a laminated film having layers of film; the uppermost film of the etching stopper film being selected from a member selected from a group consisting of a copper film, a gold film, a silver film, and a conductive paste film; an insulating film for covering the electronic parts; a via hole located at least in a predetermined portion of the insulating film on the connection pad of the electronic parts; and a wiring pattern connected to the connection pad via the via hole, wherein the via hole is connected to the aluminum pad via the etching stopper film.