magnetic film

magnetic film

[mag′ned·ik ′film]
(solid-state physics)
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Data loss reasons of damaged sd card: sd card says raw, says i need to format it, says not initialized; sd card suddenly not recognized; sd card damaged by power fail or Device malfunction;sd card became raw or unformatted or unallocated, unknown partition,unpartitioned;SD card file system damaged;Due to the extremely close spacing between the heads and the sd card surface, sd cards are vulnerable to being damaged by a head crasha failure of the sd card in which the head scrapes across the platter surface, often grinding away the thin magnetic film and causing data loss.
A team carefully pointed the tip of a scanning tunneling microscope, which can manipulate surfaces at atomic scales, toward a thin magnetic film.
Nick Dowding, business development manager at Barden UK, said: "Hard drive disks are coated with a very thin magnetic film.
The technology's sensitivity limitations stem from the fact that the degree of change in resistance in an MR head's magnetic film is itself limited.
Also, to ensure that the magnetic film is a monodomain in the saturated state, the SRMs have to be specified with high squareness ([m.
claims that it has invented a cheaper way of detecting strain by depositing a magnetic film around a thin copper wire, and says its invention could lead to many opportunities to measure strain data from parts in service inexpensively.
The electron spins in the magnetic film interact with atoms in the nonmagnetic film, creating a preferential twist.
The effects of the printed magnetic film on antenna performance were measured and compared to those found in reference antennas without magnetic material.
Thin films of synthetic garnet, an iron-oxide compound, have long played an important role as magnetic bubble memories, in which bits of digital data are stored as compact, circular regions, or domains, magnetized in the opposite direction of the thin magnetic film through which they move.
HST also manufactures under license ultrasonic film-based emitters and magnetic film transducers for American Technology's patented HyperSonic Sound (HSS) and NeoPlanar speaker technologies.
In this state, the SANS data contain contributions from the physical film structure (grains) and the magnetic film structure (magnetic clusters).
Thus, a probe that can be scanned over the surface of a magnetic film on any substrate can be constructed and used to measure local magnetostrictive properties of films on devices.