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The neper (symbol: Np) is a logarithmic unit for ratios of measurements of physical field and power quantities, such as gain and loss of electronic signals. The unit's name is derived from the name of John Napier , the inventor of logarithms.
p–n junctions represent the simplest case of a semiconductor electronic device; a p-n junction by itself, when connected on both sides to a circuit, is a diode. More complex circuit components can be created by further combinations of p-type and n-type semiconductors; for example, the bipolar junction transistor (BJT) is a semiconductor in ...
Electronic symbol A p–n diode is a type of semiconductor diode based upon the p–n junction . The diode conducts current in only one direction, and it is made by joining a p -type semiconducting layer to an n -type semiconducting layer.
A general note applies generally and is not called out with flags. 2. Find number: "FN" meaning "find number" refers to the ordinal number that gives an ID tag to one of the constituents in a parts list (list of materials, bill of materials). Thus "fasten using FN7" refers to a fastener that is "find number" 7 in the list. FoS: feature of size
In electronics and semiconductor physics, the law of mass action relates the concentrations of free electrons and electron holes under thermal equilibrium. It states that, under thermal equilibrium , the product of the free electron concentration n {\displaystyle n} and the free hole concentration p {\displaystyle p} is equal to a constant ...
NP (complexity), Nondeterministic Polynomial, a computational complexity class NP-complete, a class of decision problems; NP-hard, a class of problems in computational complexity; Co-NP, a complexity class; Numpy a Python mathematical library; Named Pipe a method for Inter-Process Communications (IPC)
In semiconductor physics, the depletion region, also called depletion layer, depletion zone, junction region, space charge region, or space charge layer, is an insulating region within a conductive, doped semiconductor material where the mobile charge carriers have diffused away, or been forced away by an electric field.
A wide variety of neptunium sulfide compounds have been characterized, including the pure sulfide compounds NpS, NpS 3, Np 2 S 5, Np 3 S 5, Np 2 S 3, and Np 3 S 4. Of these, Np 2 S 3 , prepared by reacting NpO 2 with hydrogen sulfide and carbon disulfide at around 1000 °C, is the most well-studied and three allotropic forms are known.