JIS X 6221:1987 English Edition

90 mm flexible disk cartridges (7958 ftprad)

Abstract

This Japanese Industrial Standard specifies the construction dimensions, physical, mechanical, electrical and magnetic characteristics of the 90 mm flexibe disc cartridge for information exchange, hereinafter referred to as the "flexible disc", to be recorded in the track density 5.3 track/mm for the magnetic flux reversal density 7958 magnetic reversal/rad.

Details

Note
We will send the latest version to you, please contact us if you want the exact document as the title. Some old Standards are in scancopy and no reaffirmed stamp