Title:
PRODUCTION OF MAGNETIC RECORDING MEDIUM
Document Type and Number:
Japanese Patent JPS5436705
Kind Code:
A
Abstract:
PURPOSE: To prevent the drop-out and the deterioration of a magnetic layer in the vicinity of an edge by cutting a magnetic recording medium, which uses a nonmagnetic metal as a support, with the use of a laser beam while blowing gases to a portion to be cut.
Inventors:
TAMAI YASUO
TAKAHASHI TSUNEHIKO
TAKAHASHI TSUNEHIKO
Application Number:
JP10175777A
Publication Date:
March 17, 1979
Filing Date:
August 26, 1977
Export Citation:
Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
B23K26/40; B23K26/38; G11B5/84; (IPC1-7): B26F3/14; G11B5/84