Standard No.:	GB/T 17960-2000
English Name:	Information technology --Data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side--GB type 303
Chinese Name:	信息技术 数据交换用90mm改进调频制记录的位密度为31 831磁通翻转/弧度、每面80磁道的软磁盘GB303型
Chinese Classification:	L64    Data medium
Professional Classification:	GB    National Standard
ICS Classification:	35.220.20 35.220.20    Magnetic storage devices in general 35.220.20
Issued by:	AQSIQ
Issued on:	2000-01-03
Implemented on:	2000-8-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	20000 words
Price(USD):	600.00
Delivery:	via email in 1~5 business day

本标准规定了90mm改进调频制记录的位密度为3183１磁通翻转／弧度、每面80磁道的软磁盘的性能，这种软磁盘定义为GB303型。本标准规定了软磁盘的机械、物理和磁性能，这样就为数据处理系统之间提供了物理交换的可能性。本标准规定了记录方法、记录信号的质量、磁道配置和磁道格式。与GB/T1370３一起，本标准为数据处理系统之间的全部数据交换提供了条件。