SMPTE ST 25M-1995 Video Recording - 1-in Magnetic Recording Tape.pdf
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SMPTE ST 25M-1995 Video Recording - 1-in Magnetic Recording Tape.pdf
1、SMPTE STANDARD ANIil/SMPTE 25M-1995 Revision of ANSI/SMPTE 25M-1989 for Video Recording - 1 -in Magnetic Recording Tape 1 Scope This standard specifies the dimensions of 1 -in video magnetic recording tape, and the direction of magnetic orientation. 2 Dimensions Dimensions Millimeters Width 25.350 *
2、 0.025 Maximum overall thickness 0.030 3 Direction of orientation The dimensions of the magnetic tape shall be as specified below when the tape is normalized at 23C 2 1 “C and (50 T 2)% relative humidity. The direction of orientation of the magnetic coating shall be longitudinal. CAUTION NOTICE This
3、 Standard may be revised or withdrawn at any time The procedures of the Standard Developer reqiiire that action be taken to reaffirm. revise. or withdraw this standard no later than five years from the date of publication Purchasers of standards may receive current information on all standards by calling or writing the Standard Developer Copyright O 1995 by THE SOCIETY OF American National Standard MOTION PICTURE AND TELEVISION ENGINEERS 595 W Harisdale Ave , White Plains, NY 10607 (914) 761-1100 Approved February 13, i 995
