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This thin wire is well-suited for coiling embellishments. 16-gauge wire is good for making jump rings and links for necklaces and bracelets, and 18-gauge wire is good to use for adding embellishments and making finer links. Memory Wire is a rigid, pre-coiled wire that makes it easy to create finger and toe rings, bracelets and necklaces.
Plated-wire memory has been used in a number of applications, typically in aerospace. It was used in the UNIVAC 1110 and UNIVAC 9000 series computers, the Viking program that sent landers to Mars , the Voyager space probes, [ 3 ] a prototype guidance computer for the Minuteman-III , the Space Shuttle Main Engine controllers , [ 4 ] the KH-9 ...
The two most prevalent shape-memory alloys are copper-aluminium-nickel and nickel-titanium (), but SMAs can also be created by alloying zinc, copper, gold and iron.Although iron-based and copper-based SMAs, such as Fe-Mn-Si, Cu-Zn-Al and Cu-Al-Ni, are commercially available and cheaper than NiTi, NiTi-based SMAs are preferable for most applications due to their stability and practicability [1 ...
Delay-line memory is a form of computer memory, mostly obsolete, that was used on some of the earliest digital computers, and is reappearing in the form of optical delay lines. Like many modern forms of electronic computer memory, delay-line memory was a refreshable memory , but as opposed to modern random-access memory , delay-line memory was ...
The longer solenoid is the SENSE coil, the shorter one the WRITE coil. A single bit was written by pulsing the WRITE coil with a + (1) or - (0) current sufficient to magnetize the helical area beneath the coil in one of two directions. At one end of the stretched wire was the READ solenoid - when pulsed it sent an acoustic wave through the wire.
For this reason, later core systems combined the two into a single wire, and used circuitry in the memory controller to switch the function of the wire. However, when Sense wire crosses too many cores, the half select current can also induce a considerable voltage across the whole line due to the superposition of the voltage at each single core.
George F. Andreasen (February 16, 1934 – August 11, 1989), born in Fremont, Nebraska, was an American orthodontist and inventor.. Andreasen, most noted for his invention and patent of the Nitinol Wire, also known as Memory Wire or shape memory alloy, began his experimentation with the nickel-titanium (NiTi) alloys as early as 1969.
Separately, another machine is fed copper wire and periodically creates small coils of ten windings forming a solenoid. The assembly machinery then left a short section of the wire unbent, before winding another solenoid into the wire, and so on. The result is a string of coils on the wire, which from a distance looked like a series of knots ...
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