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Slot-die Head

Slot die heads

infinityPV offers slot-die heads from the very small to the very large. The smallest are useful in the laboratory allowing you to coat as little as a single stripe while studying drying, coating or simply just learning the technique. The largest enabling you to manufacture the different layers of solar cells on a large scale. We offer the slot-die heads in different materials from composite, through alloy to stainless steel, suiting the different needs of chemistry, weight and thermal latency. They are available in gasket-less forms with very few parts that are easy to assemble and easy to clean and also in forms suitable for pressurized operation. We have a number of standard heads and shim kits in stock and we can of course always make the slot-die head and shim kits according to your needs. Common to the infinityPV slot-die heads, is that they offer reliable operation with minimum maintenance at low cost. They also fit all our coating and printing platforms.

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Free delivery within Singapore only

Key highlights

Available in composite, alloy and stainless steel
Customized slot-die heads
Heated slot-die head with temperature control unit
Light weight
Very simple to assemble and disassemble
Easy to clean and maintain
No gaskets
Few parts
Low cost
Fits all our coating and printing platforms
From single stripes to many
From narrow to wide width
Easy design of shims and meniscus guides
Unique syringe pumps available
Very low dead volume is possible

All slot-die heads require fitting kits and shim kits to operate. The small laboratory scaled heads are available in standard widths of 50 mm, 65 mm and 115 mm allowing for working widths of a single 10 mm or 13 mm stripe, 50 mm working width or 100 mm working width respectively. The dead volume for the laboratory slot-die coating heads ranges from hundreds of microliters to a few milliliters. Our larger pilot and industrial scale slot-die heads have a large dead volume starting from around 2 mL pr cm of coating width. This implies that our range of coating heads for coating in a full width of 304.8 mm have a dead volume of approx. 60 mL. The slot-die heads intended for operation at low pressure with low viscosity inks are comprised of only two parts which greatly simplifies assembly, disassembly and cleaning. They can be operated with a single shim or with a shim kit comprising shim and meniscus guide for coating stripes at low web speeds (0.1-5 m min-1). The light weight alloy and composite heads allow for ultrafast positioning on automated coating platforms.

Slot-die Selection Guide

infinityPV slot die heads for coating and printing ink processing thin films applications

We cover three standard materials: Stainless steel (heavy), alloy (light weight) and composite/polymer (ultra-light weight). The table below is a selection guide for our range of slot-die heads.

	Composite	Alloy	Stainless
Ultra-light weight	?
Light weight		?
Heat conducting		?
Corrosion resistant	?		?
Pressurized head			?

40 mm head (10 mm or 13 mm single slot)	500 €	400 €	550 €
Heated 50 mm head (10 mm single slot)		1250 €
65 mm head (50 mm working width)	650 €	550 €	785 €
115 mm head (100 mm working width)	900 €	800 €	945 €
Industrial head (304.8 mm working width)	6500 €	4500 €	9500 €

Accessories

Fitting kit (99 euro)
Shim kit 65 mm comprising meniscus and slot mask for either 10 mm slots or full coating width (69 euro)
Shim kit 115 mm comprising meniscus and slot mask for either 10 mm slots or full coating width (89 euro)
Shims and meniscus industrial (225 euro each)
Temperature controller for heated alloy slot-die head for standalone operation (Incl. in the RLC series)