OJBECTIVE LENS FOR OPTICAL PICKUP DEVICE AND OPTICAL PICKUP DEVICE

• Main Author: TATEYAMA KIYONO
• Format: Patent
• Language: English; French; Japanese
• Published: 26.04.2012
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

Provided is an objective lens with which three types of optical disks, BB/DVD/DC, are interchangeable using a typical objective lens, and with which high-order aberrations can be suppressed and formability can be increased; also provided is an optical pickup device using said objective lens. The obj...