The valve dispenses dots and lines of pastes and fluids that contain metal additives with minimal clogging, which can be a problem with traditional needle dispensing. The slider valve is compatible with lead-free and no-clean solder pastes as well as silver-filled epoxies. Standard solder pastes (types 4, 5 and 6) can be used to achieve excellent results, saving costs. The SV-100 is fast and accurate for a range of production requirements including solder paste dots for passive components smaller than 0603, rework of BGA and QFN electrical connections, lines and patterns for RF shield attach, low volume/high mix applications, and unique patterns of conductive epoxy.
Slider valve technology utilizes high-frequency, piezoelectric-drive actuation to quickly deposit small dots of thick fluids. Lever action aligns valve seats to open a smooth path for fluid flow. Within milliseconds, the holes are forced out of alignment to stop fluid flow and a dot is formed. It is designed for use with Asymtek’s DispenseMate, Spectrum 8xx and Axiom dispensing systems.
EPP Europe 454
