File:NISTvoltChip.jpg
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ཐོག་མའི་ཡིག་ཆ། (༡,༤༢༡ × ༨༧༨ བརྙན་རྒྱུ།, ཡིག་ཆ་ཆེ་ཆུང།: ༢༠༧ KB, རྣམ་གཞག།: image/jpeg)
བསྡུས་དོན།
| Description |
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. |
| Date | apparently 1985-1988 |
| Source | NIST paper A Practical Josephson Voltage Standard at One Volt, Figure 1 |
| Author | NBS |
གན་རྒྱ་ནང་ཞུགས་པ།
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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.
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ཡིག་ཆའི་ལོ་རྒྱུས།
ཟླ་ཚེས་/དུས་ཚོད་གནུན་ཏེ་རྩོམ་ཡིག་ལ་ལྟ་བ།
| ཚེས་གྲངས། / དུས་ཚོད། | བསྡུས་དོན། | ཚད། | སྤྱོད་མི། | བསམ་ཚུལ། | |
|---|---|---|---|---|---|
| ད་ལྟ། | ༡༡:༢༢, ༣༡ ཟླ་གསུམ། ༢༠༡༧ | | ༡,༤༢༡ × ༨༧༨ (༢༠༧ KB) | Materialscientist | contrast |
| ༠༦:༢༠, ༡༦ ཟླ་བདུན་པ། ༢༠༠༩ |  | ༡,༤༢༡ × ༨༧༨ (༨༦ KB) | RNLion | Higher-resolution view from same NIST source paper to show greater detail. | |
| ༡༣:༡༠, ༡༡ ཟླ་དགུ་བ། ༢༠༠༥ |  | ༤༧༢ × ༢༩༣ (༡༢༣ KB) | ArnoldReinhold | Superconduction 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 |
ཡིག་ཆ་བེད་སྤྱོད་ཁུལ།
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