Patent ID: 6404723
Filing Date: 2002-06-11
Classification: G11B

Abstract:
An optical pickup device adapted to be positioned in confronting relationship to an optical recording medium for reading an information signal from and/or writing an information signal on the optical recording medium, comprising:an optical unit having at least a light source for emitting a light beam and a photodetector for detecting a light beam returned from the optical recording medium; an objective lens for converging the light beam emitted from said light source onto a signal recording surface of the optical recording medium; and said optical unit further comprising a light guide for guiding the light beam toward said objective lens and a light-transmissive optical plate covering said light guide, said light-transmissive optical plate having a first face and a second face opposite said first face, burrs being disposed on said second face, wherein said light-transmissive optical plate is mounted on said optical unit and is located between said objective lens and said light guide, wherein said second face of said light-transmissive optical plate is directly attached to said optical unit.