| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical pickup device in which the number of components is reduced, adjustment is easy and productivity is raised. <P>SOLUTION: In the optical pickup device 1 at least having: a laser holder part 3 which stores a semiconductor laser element 2; an optical base 12 having at least three areas for bonding the laser holder part 3 and an objective lens 8 which condenses a laser beam emitted from the semiconductor laser element 2 to the loaded optical disk, it has: a first adhesion part 18 in which one of the three areas and an area of the laser holder part opposite to the one area are bonded together by using an adhesive with flat viscoelasticity variation to temperature and a second adhesion part 19 in which two other areas among the three areas and areas of the laser holder part 3 opposite to the two other areas are bonded together by using an adhesive in which the viscoelasticity is reduced in accordance with temperature rise. <P>COPYRIGHT: (C)2008,JPO&INPIT |
