Statistical Process Control and Quality/Reliability Assurance for the Contract 'Qualification Procedures for VHSIC/VLSI'

1. INTRODUCTION: The role of SPC/QRA (Statistical Process Control and Quality/Reliability Assurance) in the generic qualification approach, developed for the contract "Qualification Procedures for VHSIC/VLSI", differs from the traditional QRA role in that QRA is not a function to assure product quality and reliability downstream in the manufacturing line.