Screen July 09 P6-8:Screen Feb09 P12-14 17/06/2009 13:31 Page 6
SCREEN: PRINTING IN ELECTRONICS
Precision printing drives
the digital revolution
Most electronic products rely on screen printing in their production. As circuits
become smaller and the range of applications increases, so screen printing takes
a stronger hold in the world of electronics production by Peter Kiddell
Dek's ProFlow enclosed print head is used to deposit enzymes on bio-medical sensors
IT IS unfortunate that screen printing is sometimes overlooked when in fact most A digital printing machine, for example, would not issue a single pulse of ink,
advanced technologies are dependent on the process. This dependency is at the were it not for the rigid and flexible circuits contained within its control system,
core of advances in electronics. Printed circuit boards (PCBs) are largely produced all of which have been screen printed.
using screen printing technology and as circuits have become smaller, and the Furthermore, the application of screen printing in its various forms is growing.
range of applications increased, so screen printing has strengthened its position Where there is a need to apply specialist materials to a substrate, the ability to
in electronics production. apply a range of “inks” on the same printer is valuable. When high volumes are
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