Unrecorded Magnetic Tape Cassette for Information Interchange 3.81 mm (0.150 In), 252 to 394 ftpmm (6400 to 10000 ftpi) (formerly ANSI X3.164-1990(R1996))
信息交换用未记录磁带盒3.81毫米(0.150英寸) 252至394英尺/分(6400至10000英尺/分)(原名ANSI X3.164-1990(R1996))
Presents the minimum requirements for the mechanical and magnetic interchangeability of the cassette between information processing systems, using the physical recording density of 394 ftpmm (10 000 ftpi).