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Asymtek receives patents for co-axial air dispensing technique

Posted: 09 May 2002 ?? ?Print Version ?Bookmark and Share

Keywords:Century Selective Flux? co-axial air dispensing technique? PCB?

Asymtek, a supplier of automated fluid dispensing systems, has received patents for the co-axial air process technique featured in its Century Selective Flux dispensing system. The co-axial technique is designed to increase the contact area between a viscous liquid and a substrate by utilizing single or multiple bursts of pressurized air.

The Century Selective Flux dispensing system was specifically developed to dispense solder flux onto a PCB. This dispensing system is capable of producing a thin layer of solder flux prior to soldering, which maximizes the reliability of the solder connections between the electrical components and circuits on the PCB. A solution Asymtek developed with solder flux having high surface tension and does not flatten appreciably upon contact with the substrate.

"This latest patent will make the surface tension issue involved with low viscosity fluid jetting almost obsolete," explained Bill Donges, Asymtek's product manager of conformal coating. "There are two secondary benefits of this patent: the first benefit is increased speed of the dispensing process, the second is a thinner film deposition. This non-contact process will benefit the user by increasing the amount of parts processed per hour (UPH), and producing less material waste."





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