Abbott, P.
and Tison, S.
(1996),
Commercial helium permeation leak standards: Their properties and reliability, Journal of Vacuum Science & Technology A, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=920805
(Accessed October 9, 2025)
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Commercial helium permeation leak standards: Their properties and reliability
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Author(s)
, S A. Tison
Abstract
Standard leaks or leak artifacts are used extensively in industrial and research environments, typically for the calibration of helium leak detectors. The most commonly used leak is the helium permeation type, which uses a glass, quartz, or polymer barrier to restrict the flow of helium via diffusion. Physical leaks, on the other hand, use a physically restrictive element to limit the flow. This article will discuss the properties and reliability of helium permeation standard leaks, based on eight years of accumulated calibration data. Physical helium leaks will not be discussed since relatively few have been calibrated at the National Institute of Standards and Technology.Citation
Journal of Vacuum Science & Technology A
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Journals
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Created February 12, 1996, Updated February 17, 2017