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Laurell Technologies WS-400 spin coater used to apply photoresist to the surface of a silicon wafer. Spin coating is a procedure used to deposit uniform thin films onto flat substrates. Usually a small amount of coating material in liquid form is applied on the center of the substrate, which is either spinning at low speed or not spinning at all.
Slot-die coating is a non-contact coating method, in which the slot-die is typically held over the substrate at a height several times higher than the target wet film thickness. [23] The coating fluid transfers from the slot-die to the substrate via a fluid bridge that spans the air gap between the slot-die lips and substrate surface.
Star Trek Technical Manuals are a number of both official and fan-produced works detailing the technology of the fictional Star Trek universe; ...
This makes them relatively expensive compared to other coating technologies. Unlike many other coating methods, they can however handle coatings with a very wide range of viscosities, from 1 to more than 50000 mPas, and are capable of producing extremely polished finishes on the coatings they apply. They have been produced in a variety of 3 ...
The unwind stage holds the roll stably and allows it to spin; it is either braked or driven to maintain accurate tension in the material. Some machines have a driven unwind which reduces the effect of inertia when starting to unwind heavy rolls or when the material is very tension-sensitive.
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Loral Aeronutronic (Rancho Santa Margarita, California)Loral Command Control Systems; Loral Conic (San Diego, California)Loral Defense Systems (Akron, Ohio) Loral Instrumentation (San Diego)
Martin Joe Laurello (born Martin Emmerling, 1885-1955), also known by the stage names Human Owl and Bobby the Boy with the Revolving Head, was a German-American sideshow performer and biological rarity who could turn his head 180 degrees to the rear.