Labels:text | screenshot | computer OCR: February 1995 / News & Views / Rewritable Drive Integrales Two Optical Technologies Eile Edit View Go Bookmarks Options Directory Help a Back Fonsard Home Reload Images Open Find Stop Localion: http://www.byte.com/art/9502/sec4/art6.htm N Welcome What's New! What's Cool! Questions Net Search the mass market. "The optical industry in the past, except for CD-ROM, has shown the ability to shoot itself in the foot. [PD] may be the way to break out of this pattern." The PD laser mechanism unage (15 Kbytes) The PD laser mechanism is similar to that of a standard CD-ROM drive. A key difference is the use of a polariz The PD laser mechanism b while reading phase-change disc Micro Optical Head Objective lens Photo die lector Phase-change -Laserdiode dish Movable unit 1/4 A pale Polarized hologram Laser diode unt Mirror Colimator lens The PD laser mechanism is similar to that of a standard CD-ROM drive. difference is the use of a polarized hologram, which improves the efficien while reading phase-change discs. Copyright O BYTE 1994-1995
