Manufacturing Industry
Sony to develop Blu-ray disc-based, small-sized optical pick-up. (Optoelectonics).
New Materials Japan, September, 2002
Sony Corporation has developed a small-sized optical pickup module that supports the Blu-ray disc standard for second-generation recording and playback equipment and systems.
Second-generation product designs require miniaturization of the optical pick-up for stationary recorders, and the installation of recording/playback equipment in mobile apparatus, including laptop PCs. The technical development for the first-generation product range has already been completed.
For the second-generation products, Sony aimed at reducing the number of optical-system parts to half, from 16 to eight. The outside dimensions are held down to 11 x 6 x 4.1 mm by integrating the main optical parts in the optical pick-up. Being as thin as 4.1 mm, Sony says that...
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