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Porter-Cable was founded in 1906 in Syracuse, New York, by R.E. Porter, G.G. Porter, and F.E. Cable, who invested $2,300 in a jobbing machine and tool shop the trio ran out of a garage. In 1914, the company began to focus on power tools, starting with a line of lathes .
Tung-Sol began in 1958, to make transistors in transitioning its operations from vacuum tube manufacturing to solid-state components with lacking in mastery process. [45] Tung-Sol was listed in the Computer Directory and Buyer's Guide for June 1958 in the computer industry and as a company for parts, especially the following: Electron tubes ...
Non evaporable getters (NEG), based on the principle of metallic surface sorption of gas molecules, are mostly porous alloys or powder mixtures of Al, Zr, Ti, V and Fe.They help to establish and maintain vacuums by soaking up or bonding to gas molecules that remain within a partial vacuum.
Electropolishing, also known as electrochemical polishing, anodic polishing, or electrolytic polishing (especially in the metallography field), is an electrochemical process that removes material from a metallic workpiece, reducing the surface roughness by levelling micro-peaks and valleys, improving the surface finish.
Materials for use in vacuum are materials that show very low rates of outgassing in vacuum and, where applicable, are tolerant to bake-out temperatures. The requirements grow increasingly stringent with the desired degree of vacuum to be achieved in the vacuum chamber. The materials can produce gas by several mechanisms.
A condensate polisher is a device used to filter water condensed from steam as part of the steam cycle, for example in a conventional or nuclear power plant (powdered resin or deep bed system). It is frequently filled with tiny polymer resin beads which are used to remove or exchange ions so that the purity of the condensate is maintained at or ...