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- Cryotron abstract "The cryotron is a switch that operates using superconductivity. The cryotron works on the principle that magnetic fields destroy superconductivity. This simple device consists of two superconducting wires (e.g. tantalum and niobium) with different critical temperature (Tc). The cryotron was invented by Dudley Allen Buck of the Massachusetts Institute of Technology Lincoln Laboratory.As described by Buck, a straight wire of tantalum ( having lower Tc) is wrapped around with a wire of niobium in a single layer coil. Both wires are electrically isolated from each other. When this device is immersed in a liquid helium bath both wires become superconducting and hence offer no resistance to the passage of electric current. Tantalum in superconducting state can carry large amount of current as compared to its normal state. Now when current is passed through the niobium coil (wrapped around tantalum) it produces a magnetic field, which in turn reduces (kills) the superconductivity of the tantalum wire and hence reduces the amount of the current that can flow through the tantalum wire. Hence one can control the amount of the current that can flow in the straight wire with the help of small current in the coiled wire. We can think of the tantalum straight wire as a "gate" and the coiled niobium as a "control".The article by Buck includes descriptions of several logic circuits implemented using cryotrons, including: one stage of a binary adder, carry network, binary accumulator stage, and two stages of a cryotron stepping register.A planar cryotron using thin films of lead and tin was developed in 1957 by John Bremer at GE’s General Engineering Lab in Schenectady, New York, USA. This was one of the first integrated circuits, although using superconductors rather than semiconductors. In the next few years a demonstration computer was made and arrays with 2000 devices operated. A short history of this work is in the November 2007 newsletter of the IEEE History Center.Matisoo developed a version of the cryotron incorporating a Josephson junction switched by the magnetic field from a control wire. He also explained the shortcomings of traditional cryotrons in which the superconductive material must transition between superconducting and normal states to switch the device, and thus switch relatively slowly.".
- Cryotron wikiPageExternalLink MC665_r15_M-3843.pdf.
- Cryotron wikiPageExternalLink .piw?Docid=02832897&homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D2,832,897.PN.%2526OS%3DPN%2F2,832,897%2526RS%3DPN%2F2,832,897&PageNum=&Rtype=&SectionNum=&idkey=NONE&Input=View+first+page.
- Cryotron wikiPageExternalLink .piw?Docid=03100267&homeurl=http%3A%2F%2Fpatft.uspto.gov%2Fnetacgi%2Fnph-Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%3D%25252Fnetahtml%25252FPTO%25252Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D3,100,267.PN.%2526OS%3DPN%2F3,100,267%2526RS%3DPN%2F3,100,267&PageNum=&Rtype=&SectionNum=&idkey=NONE&Input=View+first+page.
- Cryotron wikiPageExternalLink 50490115.pdf?template=1&loginState=1&userData=anonymous-IP%253A%253AAddress%253A%2B74.186.164.175%252C%2B%255B172.16.161.5%252C%2B74.186.164.175%252C%2B127.0.0.1%255D.
- Cryotron wikiPageID "220741".
- Cryotron wikiPageLength "5588".
- Cryotron wikiPageOutDegree "10".
- Cryotron wikiPageRevisionID "640651906".
- Cryotron wikiPageWikiLink Category:American_inventions.
- Cryotron wikiPageWikiLink Category:Switches.
- Cryotron wikiPageWikiLink Dudley_Allen_Buck.
- Cryotron wikiPageWikiLink Helium.
- Cryotron wikiPageWikiLink Josephson_effect.
- Cryotron wikiPageWikiLink Josephson_junction.
- Cryotron wikiPageWikiLink Magnetic_field.
- Cryotron wikiPageWikiLink Niobium.
- Cryotron wikiPageWikiLink Superconductivity.
- Cryotron wikiPageWikiLink Tantalum.
- Cryotron wikiPageWikiLinkText "Cryotron".
- Cryotron wikiPageWikiLinkText "cryotron".
- Cryotron hasPhotoCollection Cryotron.
- Cryotron wikiPageUsesTemplate Template:For.
- Cryotron wikiPageUsesTemplate Template:Reflist.
- Cryotron subject Category:American_inventions.
- Cryotron subject Category:Switches.
- Cryotron hypernym Switch.
- Cryotron type BaseballPlayer.
- Cryotron type Component.
- Cryotron type Switch.
- Cryotron comment "The cryotron is a switch that operates using superconductivity. The cryotron works on the principle that magnetic fields destroy superconductivity. This simple device consists of two superconducting wires (e.g. tantalum and niobium) with different critical temperature (Tc).".
- Cryotron label "Cryotron".
- Cryotron sameAs Kryotron.
- Cryotron sameAs クライオトロン.
- Cryotron sameAs Kriotron.
- Cryotron sameAs m.01g7j4.
- Cryotron sameAs Криотрон.
- Cryotron sameAs Q1790362.
- Cryotron sameAs Q1790362.
- Cryotron wasDerivedFrom Cryotron?oldid=640651906.
- Cryotron isPrimaryTopicOf Cryotron.