SSQA consists of Quality Management System Assessment CriteriaSSQA is an assessment tool originally designed by Semiconductor Manufacturing Technology (SEMATECH), a consortium of semiconductor manufacturers, to help suppliers develop comprehensive quality-driven processes and improve quality management systemsAMAT has continued to develop the SSQA tool and criteria to align with evolving needs and requirements aligned with business process excellence and customer satisfaction SSQA assessments are typically conducted by AMAT certified lead assessors ( AMAT personnel and select suppliers that have been certified) SSQA is used for supplier site approval and continual development and improvement of suppliers