公开(公告)号：JPS6376117A

公开(公告)日：1988-04-06

申请号：JP20200287

申请日：1987-08-14

Applicant: IBM

Inventor： JIPSON VICTOR B ,  RUGAR DANIEL

IPC: G02F1/33 ,  G11B7/085 ,  G11B7/09 ,  G11B11/105

公开(公告)号：CA1261468A

公开(公告)日：1989-09-26

申请号：CA530785

申请日：1987-02-27

Applicant: IBM

Inventor： BJORKLUND GARY C ,  CHEN MARTIN Y ,  JIPSON VICTOR B

IPC: B41M5/26 ,  G11B7/24 ,  G11B7/241

Abstract: THERMAL DESIGN FOR REVERSIBLE PHASE CHANGE OPTICAL STORAGE MEDIA Reversible phase change storage material is thermally isolated in a storage medium by means of grooves in the substrate and at least one layer of a thermally conductive dielectric material.

公开(公告)号：CA1227571A

公开(公告)日：1987-09-29

申请号：CA478634

申请日：1985-04-09

Applicant: IBM

Inventor： BARTON ROGER W ,  COUFAL HANS J ,  JIPSON VICTOR B ,  LEE WEN-YAUNG

IPC: B41M5/26 ,  G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/243 ,  G11B7/257 ,  G11B9/00 ,  G11B11/00 ,  G11B7/24 ,  G11C13/04

Abstract: OPTICAL RECORDING BY ENERGY-INDUCED FRACTIONATION AND HOMOGENIZATION A method of and structure for optical recording by energy-induced homogenization or fractionation is disclosed. When the method involves fractionation, a film is provided that contains a homogeneous mixture of a matrix material and an incident energy absorbing material. A spot on the film is treated with sufficient energy in the form of electric fields, radiation or heat, or combinations thereof to effect fractionation and/or homogenization of the film which will undergo further physical state transition only under treatment with additional energy. In a preferred embodiment, the fractionation is effected by laser radiation. The laser irradiated spot becomes inhomogeneous and can be detected by the resulting changes in its optical properties. When the method involves homogenization, a film is provided that contains a inhomogeneous mixture. The energy treated spot in this case becomes homogeneous without undergoing a phase transition between the amorphous and crystalline phases. Numerous combinations of fractionation and homogenization can result in the writing and erasing of information in a storage device.