This SAE Aerospace Standard (AS) is to be used as a supplement to AS7109. In addition to the requirements contained in AS7109@ the requirements contained herein shall apply to suppliers seeking Nadcap Coatings accreditation who are engaged in vapor deposit processes@ except diffusion coatings. Class Qualification shall include one of the following: Class A Physical Vapor Deposit (PVD) a. Sputter b. Electron Beam Class B Chemical Vapor Deposit (CVD)