A professional who operates machines and equipment used in production of semiconductor wafers, such as alignment equipment, automatic developer, and diffusion furnaces, and tests processed wafers to evaluate performance of machines and equipment. Respnsibilities include:

• Operates machines and equipment to process test wafer.
• Inspects and measures test wafer, using electronic measuring equipment and microscope, to determine that machines and equipment are processing wafers according to company specifications.
• Records test results in logbooks.
• Discusses production problems with workers.
• Analyzes test results, using engineering specifications and calculator, and writes report on equipment repair or re-calibration recommendations and on operator procedure violations.