Screen Printing Quality Control and Faultfinding

A summary of basic screen printing procedures is given, covering the main factors in quality control. These include: various means of controlling thickness of deposit; the approach to printing extra fine line work; the mechanical characteristics of different types of squeegee and their practical effects; maximum print areas and print gaps in relation to screen sizes. The paper concludes with a detailed faultfinding chart with recommendations on the remedies to be adopted.