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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.
3850-B power shovels for stripping, one built each in 1962 and 1964, with bucket capacities of 115 and 145 cu yd (88 and 111 m 3). 2570-W or WS, one of B-E's most popular dragline models with bucket capacities between 120 and 160 cu yd (92 and 122 m 3). Ursa Major at Black Thunder Coal Mine was reported to be the third largest dragline ever built.
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.
The bucket held roughly 1 cubic yard of soil. [3] The company's best-known product was the Drott 4 in 1 bucket. [2] This was a tractor attachment with four functions: dozer, clamshell, bucket and scraper. The "International Drott" was an International Harvester tractor fitted with Drott equipment. [4]
The Ursa Major was one of five large walking draglines operated at Black Thunder, with the next two largest in the dragline fleet being Thor, a B-E 1570W - which has a 97.5-metre (320 ft) boom and a 69-cubic-metre (2,400 cu ft) bucket - and Walking Stick, a B-E 1300W with a 92-metre (302 ft) boom and a 34-cubic-metre (1,200 cu ft) bucket.
A dragline bucket system consists of a large bucket which is suspended from a large truss-like boom (or mast) with wire ropes. The bucket is maneuvered by means of a number of ropes and chains. The hoist rope, powered by large diesel or electric motors, supports the bucket and hoist-coupler assembly from the boom. The dragrope is used to draw ...
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In 1965 the K2 was enlarged to 624 cc to become the Meguro X-650 prototype, which was displayed at the 1965 Tokyo Motor Show. The X-650 then became in turn the prototype for the Kawasaki W1. [ 2 ] For the new Kawasaki big bike, the traditional look of Meguro motorcycles was replaced with a sleeker fuel tank, sportier mudguards (fenders) and ...