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  3. Fail:NISTvoltChip.jpg - Wikipedia Bahasa Melayu, ensiklopedia bebas
Fail:NISTvoltChip.jpg - Wikipedia Bahasa Melayu, ensiklopedia bebas
Daripada Wikipedia, ensiklopedia bebas.
Fail asli (1,421 × 878 piksel, saiz fail: 207 KB, jenis MIME: image/jpeg)

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Ringkasan

Keterangan
English: One-volt en:voltage standard developed by en:NIST (formerly en:National Bureau of Standards (NBS) until 1988) based on an array of 3020 superconducting en:Josephson junctions, operating at liquid-helium temperatures. Microwave energy fed into the finguide structure on the left generates a voltage across the 4 chains of junctions on the right.
Tarikh apparently 1985-1988
Sumber NIST paper A Practical Josephson Voltage Standard at One Volt, Figure 1
Pengarang NBS

Perlesenan

Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Warning: this does not include Standard Reference Data, as per Standard Reference Data Act (P.L. 90-396; 15 U.S.C. 290-290f) which may be copyrighted by the NIST.

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Voltage standard based on Josephson junctions

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voltan

media type Inggeris

image/jpeg

Sejarah fail

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Tarikh/WaktuGambar kenitUkuranPenggunaKomen
semasa11:22, 31 Mac 2017Gambar kenit bagi versi pada 11:22, 31 Mac 20171,421 × 878 (207 KB)Materialscientistcontrast
06:20, 16 Julai 2009Gambar kenit bagi versi pada 06:20, 16 Julai 20091,421 × 878 (86 KB)RNLionHigher-resolution view from same NIST source paper to show greater detail.
13:10, 11 September 2005Gambar kenit bagi versi pada 13:10, 11 September 2005472 × 293 (123 KB)ArnoldReinholdSuperconduction chip used by w:NIST to define the w:volt. The chip contains an array of 3020 w:Josephson junctions and operates at liquid w:Helium temperatures. Microwave energy is fed to the junctions through the finguide on the left. Fr

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