This design of a unique non contact chuck, was a part of a much larger scale design and engineering project of a wet processing machine for the semiconductor industry.
The client requested Vertex to design, engineer and produce a scalable new chuck that can hold the wafer from the bottom end and at the same time process the same side which the wafer is held from. We had strict instructions not to have any contact with the top side of the wafer, due to sensitive semiconductor design on that side, therefore the name “Non Contact Chuck”.
This unique design had to overcome and avoid collision of the wafer’s holding fingers with the process module while scanning the wafer above it. This resulted in holding fingers behaving like Millipede legs.
Challenges in this design were enormous.
The chuck had to spin 360 degrees, travel on the Z axis, pressurize the top side of the wafer with air to prevent any liquid from getting to the top side, as well as, pneumatically control and actuate each finger at the right time.
Great project to work on, great challenge and great results.
Wilton, a leader in food crafting, predicts a rise in the housing market this holiday season — for Gingerbread houses, that is. Gingerbread house kits offer options for pre-fab construction or fully assembled, complete with easy-to-follow decorating instructions. There’s an easy fit for everyone’s neighborhood.
“Decorating a Gingerbread house gets the whole family into the holiday spirit,” says Nancy Siler, vice president at Wilton Enterprises. “Our Wilton kits make it easy because everything is included. They are a festive at-home holiday centerpiece or a wonderful gift.”
To view Multimedia News Release, go to http://multivu.prnewswire.com/mnr/wilton/46093/
Wilton Enterprises, the industry’s leading food crafting company, has expanded the way it offers innovative decorating ideas, techniques and complete how-to instructions. From the classic Wilton Yearbook to the cutting edge technology of the new Wilton Cakes & More iPad App, it’s easier than ever to plan creative celebrations.
To view Multimedia News Release, go to http://multivu.prnewswire.com/mnr/wilton/48637/
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http://www.huayiinc.com/167-crawling-soldier-force-toy-lights-sounds-battery-operated-climb-soldier-shooting-gun-military-figure.html
U.S. Transportation Secretary Ray LaHood today joined National Highway Traffic Safety Administrator David Strickland and Safe Kids President and CEO Kate Carr for the kick-off of Child Passenger Safety Week to remind parents and caregivers to make sure that they are properly using and installing their child safety seats. A new National Highway Traffic Safety Administration (NHTSA) survey shows that parents are making five significant mistakes when using car seats and booster seats. It also found that one in five parents do not read any instructions when installing seats.
To view Multimedia News Release, go to http://www.multivu.com/mnr/57925-nhtsa-child-passenger-safety-week-2012
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