| 摘要 |
PURPOSE: An optical pickup device equipped with a mirror consisting of plastic material is provided to increase moldability and to reduce the thickness of an optical pickup device equipped with a mirror consisting of plastic material. CONSTITUTION: A plurality of light sources(111,112) irradiates different wavelength. A plurality of objective lenses(122,123) of an optical system condenses the light of the different wavelength in a different optical recording medium. A beam light respectively comes out from a plurality of light sources. A plurality of mirrors(120,130) is included of a plastic material. A plurality of mirrors respectively varies the route of the beam light. |
