本航空航天标准（AS）规定了供应商对蚀刻工艺的要求，这些蚀刻工艺需经美国国家航空航天和国防承包商认证计划（NADCAP）认证。这些要求可由NADCAP化学处理任务组规定的附加要求补充。使用审核清单（AC7108/2）将确保经认证的化学加工供应商满足本标准和所有适用补充标准中的所有要求。

This Aerospace Standard (AS) establishes the requirements for suppliers for Etching Processes to be accredited by the National Aerospace and Defense Contractors Accreditation Program (NADCAP). These requirements may be supplemented by additional requirements specified by NADCAP Chemical Processing Task Group. Using the audit checklist (AC7108/2) will ensure that accredited Chemical Processing suppliers meet all of the requirements in this standard and all applicable supplementary standards.