FIELD: apparatuses for distributing powders on substrates according to predetermined pattern.
SUBSTANCE: apparatus for distributing powders on substrate according to predetermined pattern includes belt conveyer for transporting substrate; head for applying powders arranged over said conveyer and having endless belt with perforated openings formed according to predetermined pattern and having size necessary for passing target quantity of powders; unit for controlling feed of powder through said openings and for providing cleaned state of endless belt. Head for applying powders also includes unit for controlling motion of endless belt timed with motion of conveyer.
EFFECT: absence of theoretical limitation of length of perforated belt, possibility for simplified metering of quantity of powders passing through perforated openings for deposition on substrates.
6 cl, 2 dwg
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