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A plate, usually called anode in Britain, is a type of electrode that forms part of a vacuum tube. [1] It is usually made of sheet metal, connected to a wire which passes through the glass envelope of the tube to a terminal in the base of the tube, where it is connected to the external circuit.
Drawing from Edward Weston's US Patent 494827 depicting the standard cell. Weston cell Standard cell, extracted from case. Made in USSR. The Weston cell or Weston standard cell is a wet-chemical cell that produces a highly stable voltage suitable as a laboratory standard for calibration of voltmeters.
Anodic bonding is a wafer bonding process to seal glass to either silicon or metal without introducing an intermediate layer. Anodic bonding is commonly used to seal glass to silicon wafers in electronics and microfluidics.
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Schematic symbol used in circuit diagrams for a vacuum tube, showing control grid. The control grid is an electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to the anode (plate) electrode.
Zinc sacrificial anode (rounded object) screwed to the underside of the hull of a small boat. Cathodic protection ( CP ; / k æ ˈ θ ɒ d ɪ k / ⓘ ) is a technique used to control the corrosion of a metal surface by making it the cathode of an electrochemical cell . [ 1 ]
In the US, Remington tried to use the nickel ammonium chloride solution (1868), in the process establishing the anode construction in the form of a platinum basket filled with nickel pieces, [4] Edward Weston initiated the use of boric acid (patent issued in 1878), [9] Bancroft figured out the role of chlorides in dissolving the anode (1906).
Mesh MMO anode used for electroplating. Mixed metal oxide (MMO) electrodes, also called Dimensionally Stable Anodes (DSA), are devices with high conductivity and corrosion resistance for use as anodes in electrolysis. They are made by coating a substrate, such as pure titanium plate or expanded mesh, with several kinds of metal oxides.