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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.
The 1.5 L 1A was produced between 1978 and 1980. [6] All variants were belt-driven 8-valve counter-flow SOHC engines with a single, twin-barrel downdraft carburetor.It used Toyota's Turbulence Generating Pot (TGP) lean combustion system to meet Japanese emissions standards at the time with only an oxidation (2-way) catalyst. [7]
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.
It is a version of S6 Avant with increased engine power to 560 PS (412 kW; 552 hp) at 5700–6700 rpm and 700 N⋅m (516.3 lbf⋅ft) at 1750–5500 rpm, cylinder on demand system deactivates intake and exhaust valves of 4 cylinders (2, 3, 5 and 8), eight-speed tiptronic transmission with shortened shift times and D and S driving modes, quattro ...
4A or IV-A may refer to : 4A, Ararat International Airlines' IATA airline designator; 4A, a series of Toyota A engine produced by Toyota Motor Corporation (1982-2002) 4A, the production code for the 1974–75 Doctor Who serial Robot; 4A Centre for Contemporary Asian Art, Sydney, Australia; 4A Engine, a video game engine developed by 4A Games
A conversion coating is a chemical or electro-chemical treatment applied to manufactured parts that superficially converts the material into a thin adhering coating of an insoluble compound. These coatings are commonly applied to protect the part against corrosion , to improve the adherence of other coatings, for lubrication , or for aesthetic ...