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IP.com Disclosure Number: IPCOM000048003D
Original Publication Date: 1983-Dec-01
Included in the Prior Art Database: 2005-Feb-08

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Alstad, JK Harker, DL Kennedy, ET Sloan, MG [+details]


A small diskette comprises a four-inch diameter floppy magnetic recording disk and a rigid plastic envelope formed of electrically conductive plastic. The data error rates, which may be experienced when reading floppy magnetic recording disks, are a function of the electrostatic charge which accumulates on the disk as a result of its operational mode which requires periodic stopping and high speed rotation between the stop intervals. Data errors occur as a result of debris which is attracted to the disk's surface by electrostatic charge. A number of diskettes use hard, plastic jackets to encase and protect the floppy disks. In these diskettes, data errors can be reduced by using an electrically conductive plastic when molding the diskette's outer jacket.