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The magnetic layer of a ferric tape consists of around 30% synthetic binder and 70% magnetic powder — acicular (oblong, needle-like) particles of gamma ferric oxide (γ-Fe 2 O 3), with a length of 0.2 μm to 0.75 μm. [32] Each particle of such size contains a single magnetic domain. [33]
Media preservation. Preservation of documents, pictures, recordings, digital content, etc., is a major aspect of archival science. It is also an important consideration for people who are creating time capsules, family history, historical documents, scrapbooks and family trees. Common storage media are not permanent, and there are few reliable ...
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Magnetic tape. 7-inch reel of ¼-inch-wide audio recording tape, typical of consumer use in the 1950s – 70s. Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on the earlier magnetic wire recording from Denmark.
Magnetic-tape data storage is a system for storing digital information on magnetic tape using digital recording. Tape was an important medium for primary data storage in early computers, typically using large open reels of 7-track, later 9-track tape. Modern magnetic tape is most commonly packaged in cartridges and cassettes, such as the widely ...
Magnetic storage. Magnetic storage or magnetic recording is the storage of data on a magnetized medium. Magnetic storage uses different patterns of magnetisation in a magnetizable material to store data and is a form of non-volatile memory. The information is accessed using one or more read/write heads .
A binder clip (also known as a foldback clip, paper clamp, banker's clip, foldover clip, bobby clip, or clasp) is a simple device for binding sheets of paper together. It leaves the paper intact and can be removed quickly and easily, unlike the staple . It is also sometimes referred to as a handbag clip because of resemblance to a handbag when ...
magnetite [1] Seen in some magnetic materials, saturation is the state reached when an increase in applied external magnetic field H cannot increase the magnetization of the material further, so the total magnetic flux density B more or less levels off. (Though, magnetization continues to increase very slowly with the field due to paramagnetism .)