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Samples may become contaminated by titanium if they have line-of-sight to the pump. Also, titanium is a very hard material, so titanium film which builds up on the inside of the chamber may form flakes which fall into mechanical components (typically turbomolecular pumps and valves) and damage them. Many chambers containing TSPs also have an ...
This is followed by one or more vacuum pumps that operate at low pressures. Pumps commonly used in this second stage to achieve UHV include: Turbomolecular pumps (especially compound pumps which incorporate a molecular drag section and/or magnetic bearing types) Ion pumps; Titanium sublimation pumps; Non-evaporable getter (NEG) pumps; Cryopumps
Edwards was awarded its seventh Queen's Award in 2012, and acquired USA-based Gamma Vacuum in 2013, maintaining the brand until this day. [32] Gamma Vacuum specialises in ion and titanium sublimation pumps, with customers mainly in the scientific industry. [7]
Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.
With its strong brand recognition, Universal also made and sold other fitness equipment, including free weights, weight lifting benches, and machines for cardiovascular exercise. In 2004, the Universal product line included Power Circuit Single Stations, Free Weight Machines, Classic Chrome Single Stations, and Multi-Station Machines — all ...
These Valentine's Day crafts for kids are fun for all ages, including cards, DIY gifts like candy, wreaths, and other decorations.
A sublimatory [1] [2] or sublimation apparatus is equipment, commonly laboratory glassware, for purification of compounds by selective sublimation. In principle, the operation resembles purification by distillation , except that the products do not pass through a liquid phase .
Close-space sublimation, the material, and substrate are placed close to one another and radiatively heated. Pulsed laser deposition: a high-power laser ablates material from the target into a vapor. Thermal laser epitaxy: a continuous-wave laser evaporates individual, free-standing elemental sources which then condense upon a substrate.
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