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PCB Assembly Equipment and Tools
News Release from: DEK | Subject: Ultrathin wire mesh screens
Edited by the Electronicstalk Editorial
Team on 19 March 2004
Ultrathin screens allow minute detail
Leading the way in technological advances for screen printing, DEK has produced wire mesh screens that are so thin they can facilitate printing down to 25um.
Leading the way in technological advances for screen printing, DEK has produced wire mesh screens that are so thin they can facilitate printing down to 25um, offering customers the opportunity to print in minute detail Compared with 100-150um features as the normal industry standard for screen printing, DEK's brand new ultrathin high-strength wire mesh now offers screen technology surpassed by none
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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Fine detail results can now be realised using this new mesh's 20um thread diameter.
Previously, printing relatively fine lines wasn't a problem.
However, keeping the gap between these lines small enough to reproduce 25um detail was.
DEK has addressed this challenge and its emulsion technology, combined with the ultrathin mesh, enables the screens to resolve these fine features.
With mesh openings of 65um and a wire diameter of just 20um, the new mesh is very open yet surprisingly strong.
In fact, 60% of it is open space, which allows the ink to pass through very easily and the fineness of the mesh means the wire doesn't interfere with the passage of ink - facilitating very detailed printing.
This screen technology is already being used for a number of applications including nanotechnology conducting elements, flux printing and some display work.
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