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Audio Video Tapes - National Archives
https://www.archives.gov/files/preservation/records-emergency/pdf/audio-video-tapes.pdf
MAGNETIC TAPES – AUDIO, VIDEO, and DATA STORAGE TAPE Priority Action: Air dry within 48 hours. Do not freeze magnetic tapes. Do not freeze dry. This can result in hardening of contaminants and adhesion of debris/contaminants on the tape surface. Damage to …
US3510605A - Audio-video magnetic tape magazine …
https://patents.google.com/patent/US3510605A/en
US3510605A US635763A US3510605DA US3510605A US 3510605 A US3510605 A US 3510605A US 635763 A US635763 A US 635763A US 3510605D A US3510605D A US 3510605DA US 3510605 A US3510605 A US 3510605A Authority US United States Prior art keywords magazine tape drum magnetic guiding Prior art date 1966-05-07 Legal status (The legal status is an …
Test of audio & video tapes
https://matesy.de/en/products/magnetic-field-visualization/applications/magnetic-audio-video-and-data-tape-investigation-and-quality-control
Function and application. Magnetic tape is a storage medium for magnetic recording, made of thin magnetizable coating on a long narrow strip of plastic. Regarding to their form of usage, magnetic tapes are comercially available as video, audio and data tapes. Especially forensical investigations of magnetic audio-, video- and data-tapes gain a huge advantage when using a …
Magnetic Recording: Analog Tape - Stanford University
https://ccrma.stanford.edu/~jay/subpages/Lectures/Lecture7-Magnetic_recording.pdf
magnetic material is glued. The magnetic coating consists most commonly of a layer of finely ground iron oxide particles, but chromium dioxide and barium ferrite have also been used. Current production of magnetic tape uses polyester (polyethylene terephthalate) about 35 µ thick as the film substrate, a front surface magnetic
Magnetic Materials: Magnetic Recording
https://www.birmingham.ac.uk/Documents/college-eps/metallurgy/research/Magnetic-Materials-Background/Magnetic-Materials-Background-11-Magnetic-Recording-Media.pdf
magnetic material whereas ME tapes have a 100% magnetic layer. Therefore, ME tapes give better quality recording, but they are more time consuming to produce and are more expensive. Particulate tapes are much cheaper and hence account for the majority of magnetic tapes. There is a range of magnetic particulates that can be used for tapes and these are listed in table 4, …
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