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Title: 1997--First programmable 1-volt standard
Description: NIST made the first programmable 1-volt standard, which had 32,768 junctions on a 1-centimeter square chip. This was the first demonstration of the new normal-metal junction barrier technology that produced large numbers of junctions with uniform electrical characteristics, even though each junction is only 2 micrometers by 2 micrometers in size. Programmable arrays are ideal for automated measurement systems. The stability of the programmable steps enabled the first detailed characterization of voltmeters.

*PML, volt, standard, programmable, array, junction

See also http://www.nist.gov/pml/history-volt/superconductivity_1990s.cfm.
Subjects (names):
Topics/Categories: Electronics--Superconductors
Type: Photo/Color
Source: National Institute of Standards and Technology
Credit Line as it should
appear in print:
Benz/NIST
AV Number: 11PML029
Date Created: 1997
Date Entered: 3/30/2011

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