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Fluid dispensing system for cleanroom applications

Posted: 13 Aug 2013 ?? ?Print Version ?Bookmark and Share

Keywords:Nordson ASYMTEK? steel dispensing system? wafer-level packaging?

Nordson ASYMTEK has rolled out its Spectrum S-820-C stainless steel dispensing system. The system is third-party certified for Class 100 cleanroom use. It can be used in applications that are extremely sensitive to contamination by sub-micron-sized particles, such as wafer-level packaging, or for dispensing a controlled amount of adhesive in precision cleanroom manufacturing operations. The system provides advanced dispensing process capability and is ideal for labs, new product development, and batch production.

Processes developed on the S-820-C can be transferred to a conveyorized Nordson ASYMTEK fluid dispenser when operations require more than batch capacities. Production can be expanded with minimal configuration downtime in the transition from engineering development to inline manufacturing.

The stainless steel enclosure, enclosed keyboard, and special cable design reduce particle generation. An optional HEPA filter can be added for downward air flow to further minimise particle generation during processing. Other options include a laser height sensor, which helps maintain consistent dispensing height, and a dual-action dispensing head, which can be used to increase UPH.

The S-820-C performs with a wide range of fluids, processes and substrates used in electronics packaging and assembly. It easily integrates with most Nordson ASYMTEK jets, pumps, and valves, including the NexJet NJ-7.

Nordson ASYMTEK's advanced process control capabilities have also been incorporated into the S-820-C platform. For valve and pump dispensing, Patented Mass Flow Calibration (MFC) uses weight-controlled dispensing and automatic calibration to deliver consistent fluid amounts throughout production. For jet dispensing, Calibrated Process Jetting (CPJ) uses weight control to ensure precise volumetric repeatability and optimised line speed for jet-on-the-fly operations. Jet-on-the-Fly (JOF) is a software feature that drives the jet to dispense lines of dots without stopping. Dispense time is significantly reduced when compared to traditional needle dispensing.





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