Printing method and screen printing head having vibration unit for vibration of the squeegee blade
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United States of America Patent
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Dec 8, 2015
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N/A
app pub date -
Nov 9, 2010
filing date -
Nov 9, 2009
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Abstract
A screen printing head for and method of printing deposits of a print medium onto a workpiece through apertures in a printing screen, the printing head comprising a vibration unit for vibrating a printing blade to condition print medium forward of the printing blade, wherein the printing blade is vibrated at least one frequency in the range of from about 20 kHz to about 200 kHz and with a displacement of at least about 0.4 pm.
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