OPTICAL PICKUP DEVICE AND MANUFACTURING METHOD THEREOF

• Main Authors: TAKAHASHI TOSHIMITSU, HADO JUN, YABE AKIO, SAITO HIDENAO, TODORI KAZUHIRO
• Format: Patent
• Language: English
• Published: 21.03.2008
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

PROBLEM TO BE SOLVED: To provide the manufacturing method of an optical pickup device wherein the relative tilt of at least two objective lenses is adjusted so as to obtain a satisfactory reproduction signal. SOLUTION: A second objective lens 2 is irradiated with a luminous flux to adjust the tilt o...