Featured in Store for more – 05-2012

Controlling edge sharpness using Rz

Screen printing: Continuously finer lines and spaces in printed electronics cause higher requirements on resolution and edge sharpness of the screen printed line work. Lines with improved edge sharpness allow increasing the line and space density of electrical circuits. Additionally, fingers with improved edge sharpness will increase the yield of PV-cells. Wim Zoomer, member of the Academy of Screen Printing Technology, elaborates how this is done.

By

pv magazine

07 May 2012

The screen maker applies the most suitable direct emulsion to meet the resolution and edge sharpness requirements. An eye glass and appropriate illumination allow the screen maker to determine the edge sharpness performance of the stencil and the possible presence of pinholes and other defects. However, the stencil´s smoothness also affects edge sharpness. There is …

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