SEMI C6.3 - Particle Specification for Grade 20/0.2 Hydrogen (H2) Delivered as Pipeline Gas -
This Standard was technically approved by the Gases Global Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on September 12, 2011. Available at www.semiviews.org and www.semi.org in November 2011; originally published in 1989; previously published March 2003.
NOTICE: This Document is no longer supported by the global technical committee. It has been replaced by SEMI C97.
The purposes of this Document are (1) to set a maximum permissible particle concentration for grade 20/0.2 hydrogen gas and (2) to describe a reference method for its verification.
This Document applies only to hydrogen gas delivered through pipelines; it is not applicable to cylinder gases or gases in their liquid state.
Referenced SEMI Standards
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