E14000 - SEMI E140 - Guide to Calculate Cost of Ownership (COO) Metrics for Gas Delivery Systems Revision:SEMI E140-1022 - Current SEMI E78-0998 (first published)

SEMI E78-0998 (first published)

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SEMI C35-0118 (technical revision)

SEMI F104-0520 (technical revision)

E14000 - SEMI E140 - Guide to Calculate Cost of Ownership (COO) Metrics for Gas Delivery Systems Revision:SEMI E140-1022 - Current SEMI E78-0998 (first published)The purpose of this Guide is to provide standard cost of ownership (COO) metrics for evaluating unit production cost effectiveness of gas delivery systems in the semiconductor and related industries. Gas delivery systems include gases delivered from a solid, liquid, or gaseous source. This Guide also illustrates how to apply the COO metrics to gas delivery systems. Users should be able to calculate the COO for any gas delivery equipment using this