This Standard was technically approved by the global Assembly & Packaging Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on July 1, 2011. Available at www.semiviews.org and www.semi.org in August 2011; originally published in 1996; previously published November 2004.

NOTICE: This Document was reapproved with minor editorial changes.

This Standard describes the equipment and leadframe fixtures used for measurement of Z-axis dimensions of plastic package leadframes.

SEMI G57 — Guideline for Standardization of Leadframe Terminology