Title:
INFORMATION RECORDING MEMBER
Document Type and Number:
Japanese Patent JP53031108
Kind Code:
A
Abstract:
PURPOSE: In an information recording members wherein recesses are formed at radiated portions by radiating laser light, etc., the surface is smoothed and the disorder of the shape of recesses is eliminated despite forming of fine recesses by providing specific thin films of more than two layers.
Inventors:
Terao, Motoyasu
Yonezawa, Seiji
Yonezawa, Seiji
Application Number:
JP1976000104855
Publication Date:
March 24, 1978
Filing Date:
September 03, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B41M5/26; G02B27/00; G11B7/24; G11B7/243; B41M5/26; G02B27/00; G11B7/24; (IPC1-7): G02B27/00; G03G5/00; G11B7/24; G11C13/00
Previous Patent: FORMING METHOD OF PROTECTING LAYER OF RECORDING MEMBERS
Next Patent: CURRENT VALUE VARIABLE WRITE CIRCUIT
Next Patent: CURRENT VALUE VARIABLE WRITE CIRCUIT