Very high speed solenoid valves increase semiconductor production output

As semiconductor node sizes drop below 10 nanometers and wafer test cells demand greater efficiency and throughput, semiconductor equipment manufacturers need to dispense and meter small volumes of critical fluids under intense operating conditions. These high-performance systems demand field-proven fluidic components capable of near-digital response. Additionally, as chip volumes increase, high-reliability solutions are required to maximize production line uptime.

The Lee VHS Series solenoid valve is designed to accurately dispense criti­cal fluids through jewelled orifices. Precise droplets of water or coolant can be dispensed onto chips during packaging and classification, and precise volumes of helium can be metered for thermal process control and wafer probing instruments. Unlike typical solenoid valves, the VHS Series fea­tures a response time as low as 250 μs and allows near instant dispensing of spherical droplets as small as 10 nanoliters, all contained in a compact package under 6mm in diameter.

Featuring a long life of 250 million cycles, the ultra-fast VHS Series dispense valve improves production line throughput and reduces downtime. Integra­tion of this valve into new and legacy automated systems is simple, thanks to convenient, leak-tight fluidic connections. The VHS Series is constructed from materials known for compatibility with a wide range of liquids and gases used in the semiconductor industry.

Potential applications

Lee VHS Series valves are field proven in semiconductor classification cooling systems, wafer probe devices, surface energy measurement devices, and many other specialised cutting-edge applications. The valves are ideal for applications requiring perfect droplets, metering of nanoliters of a critical fluid, or injection into a flow stream. The small size of the VHS Series allows the valve to be located exactly where it is needed, and in-line fittings allow installation within existing runs of tubing which provides added system functionality.

The Lee Company has been at the forefront of fluid control technology since 1948, supplying millions of innovative products worldwide from our state-of-the-art manufacturing facilities in Connecticut, USA. We transform complex problems into deliverable solutions through ongoing research, design, development, and our commitment to quality and innovation. Our in-depth application knowledge enables us to collaborate with customers and provide personal, technical support through a wide network of experienced sales engineers who are ready to address any challenge.

Lee Products

3 High Street
Chalfont St Peter
Gerrards Cross
SL9 9QE
UNITED KINGDOM

01753 886664

sales@leeproducts.co.uk

www.leeproducts.co.uk

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