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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.
Pratt & Whitney is an American aerospace manufacturer with global service operations. [2] It is a subsidiary of RTX Corporation (formerly Raytheon Technologies). Pratt & Whitney's aircraft engines are widely used in both civil aviation (especially airliners) and military aviation.
4a, 4a-c, 4a-l, 4a-lc [ edit ] The basic 4A is a SOHC 8 valve carburated engine which produces 78–90 PS (57–66 kW; 77–89 hp) at 4800 rpm and 115 N⋅m (85 lb⋅ft) of torque at 2800 rpm, though the power and torque output figures vary between different regions of the world.
Germanium is emerging as an important material for spintronics and spin-based quantum computing applications. In 2010, researchers demonstrated room temperature spin transport [ 91 ] and more recently donor electron spins in germanium has been shown to have very long coherence times .
Fury 325 is a steel roller coaster located at Carowinds amusement park in Charlotte, North Carolina, United States.The giga coaster, manufactured by Bolliger & Mabillard, opened to the public on March 28, 2015.
This 1996 map of the Pioneer Square-Skid Road Historic District shows the location of the Kingdome (at the lower right in the map). The Kingdome (officially the King County Stadium) [4] [note 1] was a multi-purpose stadium located in the Industrial District (later SoDo) [7] neighborhood of Seattle, Washington, United States.
FJ44-4A 3,600 lbf (16 kN) thrust, released in 2007, hi-tech fan of larger diameter than the -3 unit. [8] Used on the Cessna CJ4 and the Pilatus PC-24. FJ44-4M Williams-Rolls F129 Military designation for the derated FJ44-1C with 1,500 lbf (6.7 kN) thrust.