Patent ID: 6929461
Filing Date: 2005-08-16
Classification: B29D,Y10S,Y10T

Abstract:
1. An apparatus for making multiple layer optical discs, comprising: a base plate, formed with a first recording layer; a mold plate, movably pressed on said base plate, comprises a main body, a second opening, a second recording layer and an adhesive layer, said second opening located on said main body forms a cavity with said base plate, said second recording layer formed on said main body adhere with said first recording layer of said base plate by said adhesive layer, said adhesive does not cover the area around said second opening; and an air-blowing axle, passing through said second opening and enclosing said cavity to inject air into said cavity for separating said base plate and said mold plate while said second recording layer and said adhesive layer adhere to said base plate; and a sealing member mounted on outer portion of said second opening so as to enclose said cavity.