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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.
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.
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.
Engine configuration is a single stage fan, with booster stage, driven by a two-stage LP turbine, supercharging a centrifugal HP compressor, driven by a single stage HP turbine. [3]
Sputter coating in scanning electron microscopy is a sputter deposition process [clarification needed] to cover a specimen with a thin layer of conducting material, typically a metal, such as a gold/palladium (Au/Pd) alloy. A conductive coating is needed to prevent charging of a specimen with an electron beam in conventional SEM mode (high ...
The Corolla E90 was the sixth generation of cars sold by Toyota under the Corolla nameplate, introduced in 1987 for the 1988 model year.It was the last generation of Corolla to be classified as a subcompact car and the first to be exclusively front-wheel drive or all-wheel drive; [3] the performance option of rear-wheel drive was dropped.