PROTUBERANT OPTICAL RECORDING MEDIUM

• Main Authors: RICHARD FRANCIS WILLSON, KENT NEWTON MAFFITT, WILLIAM BREWSTER ROBBINS
• Format: Patent
• Language: English
• Published: 19.08.1982
• Subjects: COLOUR PRINTING; INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; LINING MACHINES; PERFORMING OPERATIONS; PHYSICS; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; STAMPS; STATIC STORES; TRANSPORTING; TYPEWRITERS

An optical recording medium as shown in Figure 3 containing a light-absorbing film 32 of refractory material less than 60 nm thick and which is sufficiently plastic to allow plastic information upon localized heating is provided for exposure to a focused laser beam 20, whereupon localized heating of...