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Mar 21st, 2014
MEI’s FluidJet™ metal liftoff system achieves breakthrough for compound semiconductor production
Patented process achieves superior metal lift-off performance, reducing damage, chemical consumption, increasing reclaim.
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Patented fluidJetTM for metal lift-off. (PRNewsFoto/MEI Wet Processing systems and services)
Patented fluidJetTM for metal lift-off. (PRNewsFoto/MEI Wet Processing systems and services)

MEI, LLC announces FluidJet™ batch wet processing system for metal liftoff in MEMS manufacturing, delivering higher yielding, more cost effective metal liftoff processing.

MEI’s FluidJet™ batch wet processing system for metal liftoff achieves breakthroughs with no metal re-deposition on either the front side or back side of the wafer, eliminates device damage, while using 80% less chemical than current single wafer processing solutions.  In addition, FluidJet™ enables highly efficient, easily obtained gold and metal reclaim, reducing waste and downtime. FluidJet™ also saves valuable manufacturing floor space by reducing the wet process footprint requirement by at least 60% over comparable throughput single wafer spray tools.

Superior Metal Lift-off. (PRNewsFoto/MEI Wet Processing Systems and Services)

By adopting the FluidJet™ metal liftoff system, semiconductor manufacturers will increase yield while reducing downtime and chemical costs and disposal,” said Dan Cappello, President and CEO, MEI LLC. “FluidJet cleans the surface gently improving metal liftoff performance at a lower cost. Side by side “split lot” comparison data demonstrates superior performance on liftoff and resist strip layers while also reducing defects.

About FluidJet™ metal liftoff wet processing system—a new approach.
The FluidJet™ metal liftoff system is unlike conventional single wafer metal liftoff systems. Conventional metal liftoff solutions rely on high-pressure sprays that produce metal debris that can scratch or tear fine metal features. Metal debris can also redeposit, causing shorts.

The FluidJet™ batch immersion system’s gentle removal and self cleaning tanks enable lifted metals to be more easily and completely reclaimed. Strainer baskets are emptied in minutes and sized to easily hold several thousand wafers worth of lifted metal.

MEI’s FluidJet™ targets semiconductor and MEMS processing applications where Metal Liftoff is required to create create GaAs BiFET device structures for mobile communications devices.

About MEI Wet Processing Systems and Services:
MEI Wet Processing Systems and Services LLC of Albany, Oregon, is a wet processing equipment and services company serving the semiconductor, MEMs, solar, and high technology industries.   MEI Wet Processing has sales offices in the United States, Europe, China and Taiwan.  MEI’s specialties include patented solutions for wet processing applications, automated and semi-automated wet benches, process systems and services; automated chemical delivery systems; and IDX control automation software. MEI has a commitment to outstanding customer service. www.meillc.com.

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