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mercury vapour tube
EN: mercury vapour tubeNL: kwikdampbuis
Definitie EN: a gas-filled tube in which the active gas is mercury vapour
mercury wetted relay
EN: mercury wetted relayNL: relais met kwikcontacten
Definitie EN: a reed relay in which the contacts are wetted by a film of mercury
mercury-vapor rectifier
EN: mercury-vapor rectifier, mercury-vapour rectifierNL: kwikdampgelijkrichter
Definitie EN: a gas-filled rectifier in which the current flow is through ionised mercury vapour
mercury-vapour rectifier
EN: mercury-vapour rectifier, mercury-vapor rectifierNL: kwikdampgelijkrichter
Definitie EN: a gas-filled rectifier in which the current flow is through ionised mercury vapour
mercury-wetted relay
EN: mercury-wetted relayNL: kwikrelais
Definitie EN: a device using mercury as the relay contact closure substance
mesa diode
EN: mesa diodeNL: mesa-diode
Definitie EN: type of diode or transistor in which one electrode is made very much smaller than the other,to control bulk resistance
mesa structure
EN: mesa structureNL: mesastructuur
Definitie EN: the structure of a semiconductor device in which the size of the p-n junction is limited by physical removal of unwanted material leaving a small table(mesa)on the chip surface
mesa technique
EN: mesa techniqueNL: mesatechniek
Definitie EN: the formation of a junction in the shape of a raised plateau by etching away material from the surface of a semiconductor in the regions surrounding the plateau which it is desired to form,by successive impurity diffusions or alloying into one surface
mesa technology
EN: mesa technologyNL: mesatechnologie
Definitie EN: a solid-state diffused process with one or two diffusion stages forming the required geometry,the main junction being reduced to the required size by chemical etching using a dot of surface oxide or photo-etch resist to leave a small mesa projecting from the etched surface to contain the active region of the device
mesa transistor
EN: mesa transistorNL: mesatransistor, mesa-transistor, MESA-transistor
Definitie EN: the homogeneously doped collector is slightly doped,and is penetrated by the collector depletion layer
MESFET
EN: MESFET, metal-semiconductor FET, metal semiconductor field-effect transistorNL: metal-semiconductor-FET, MESFET, schottky-barrier-FET
Definitie EN: a type of field effect transistor(FET)in which the channel is formed directly beneath a metal-gate(Schottky barrier),which itself is in intimate contact with the semiconductor
Definitie NL: veldeffecttransistor met metaalhalfgeleiderovergang
mesh
EN: meshNL: maas
Definitie EN: a set of branches forming a loop and containing only one link of a given co-tree
mesh
EN: meshNL: maas
Definitie EN: an arrangement of circuits forming completely closed loops and supplied from several supply sources
mesh current
EN: mesh currentNL: maasstroom
Definitie EN: the current in the link defining the mesh
mesh electrode
EN: mesh electrode, field meshNL: gaaselektrode
Definitie EN: an electrode in the form of a mesh,adjacent to the scanned side of a charge-storage target,and designed to establish an equipotential plane that produces a uniform retarding field for the scanning beam
mesh oxide cathode
EN: mesh oxide cathodeNL: maasvormig oxydecathode
Definitie EN: an oxide coated cathode in which a metal mesh is used to enhance the electrical and thermal conductivity and the mechanical strength of the coating
mesh-connected device
EN: mesh-connected deviceNL: in veelhoek geschakeld toestel
Definitie EN: m-phase device whose m branches form a single loop
meshed system
EN: meshed systemNL: vermaasd net
Definitie EN: a system or part of a system consisting of multiple meshes; a network or part of a network which is wholly or mainly composed of ring circuits all or most of which emanate from and terminate at different sources or supply, or any more complex system of multiple ring circuits with multiple supply sources
message register
EN: message registerNL: berichtenregister
Definitie EN: a device which records the number of times it receives a direct current pulse and thereby allows for the peg count of calls
metal hard-surface mask
EN: metal hard-surface mask, metal in-contact maskNL: metaal-in-contact-masker
Definitie EN: a hard surface mask in which the opaque layer consists of a deposited metal film,e.g.,chromium or nickel
metal photomask
EN: metal photomask, electroformed photomaskNL: gegalvaniseerd fotomasker
Definitie EN: a photomask consisting of a thin metal pattern made by electroplating through holes in a nonconducting sheet placed on a conducting surface
metal positive
EN: metal positive, motherNL: moeder
Definitie EN: a direct electroplated copy of a negative; it has a groove similar to the one on a disk and can be played as such
metal positive
EN: metal positiveNL: moeder
Definitie EN: a direct electroplated copy of a negative; it has a groove similar to the one on a disk and can be played as such
metal rectifier
EN: metal rectifierNL: metaalgelijkrichter, metaal-gelijkrichter
Definitie EN: a rectifier,the operation of which depends on the asymmetrical conductance of certain solid surfaces in contact,at least one of them metallic
metal removal
EN: metal removalNL: spaanproduktie, materiaalafname
Definitie NL: Volume werkstukmateriaal dat verwijderd is
metal vapor lamp
EN: metal vapor lamp, metal vapour lampNL: metaaldamplamp
Definitie EN: a discharge lamp in which the light is mainly produced in a metallic vapour
Definitie NL: ontladingslamp waarin het licht in hoofdzaak geproduceerd wordt door metaaldamp, zoals kwikdamplamp en natriumdamplamp
metal vapour lamp
EN: metal vapour lamp, metal vapor lampNL: metaaldamplamp
Definitie EN: a discharge lamp in which the light is mainly produced in a metallic vapour
Definitie NL: ontladingslamp waarin het licht in hoofdzaak geproduceerd wordt door metaaldamp, zoals kwikdamplamp en natriumdamplamp
metal vapour lamp
EN: metal vapour lampNL: metaaldamplamp
Definitie EN: a discharge lamp in which the light is mainly produced in a metallic vapour
Definitie NL: ontladingslamp waarin het licht in hoofdzaak geproduceerd wordt door metaaldamp, zoals kwikdamplamp en natriumdamplamp
metal-base transistor
EN: metal-base transistorNL: transistor met metalen basis
Definitie EN: three-layer structure of semiconductor-metal-semiconductor, in which hot electrons injected into a thin metal base layer pass through to a second semiconductor material layer; barrier height at the emitter must be greater than at the collector. High-frequency operation is possible because of the negligible base-transit time and low base resistance
metal-etched photomask
EN: metal-etched photomaskNL: geëtst metaal-fotomasker
Definitie EN: photomask made by etching a metal film,on a glass or transparent film,through a pattern formed by a photo-resist resin
metal-gate transistor
EN: metal-gate transistorNL: transistor met metalen gate
Definitie EN: three-layer structure of the metal-base transistor type, except that the metal layer between the semiconductor layers has gaps in it filled with semiconductor material; the device operation is a mixture of metal-base transistor and field-effect transistor operations; construction is effected by epitaxial means
metal-semiconductor diode
EN: metal-semiconductor diodeNL: metaal-halfgeleiderdiode, Schottky-diode
Definitie EN: two-terminal device containing a metal-semiconductor junction fabricated so as to produce a Schottky barrier
metal-semiconductor FET
EN: metal-semiconductor FET, MESFET, metal semiconductor field-effect transistorNL: metal-semiconductor-FET, schottky-barrier-FET, MESFET
Definitie EN: a type of field effect transistor(FET)in which the channel is formed directly beneath a metal-gate(Schottky barrier),which itself is in intimate contact with the semiconductor
Definitie NL: veldeffecttransistor met metaalhalfgeleiderovergang
metal-semiconductor junction
EN: metal-semiconductor junctionNL: metaal-halfgeleiderovergang, metaal-halfgeleiderjunctie
Definitie EN: the semiconductor is heavily doped so that the barrier depletion region is thin enough to allow significant tunneling
metal-thin-oxide-silicon
EN: metal-thin-oxide-silicon, MTOSNL: MTOS
Definitie EN: a proprietary variant of the MOS technique utilising a sandwich of silicon oxide and silicon nitride
metallic absorption
EN: metallic absorption, non-selective optical absorption, free carrier absorptionNL: niet-selectieve optische absorptie
Definitie EN: the optical absorption in a semiconductor material, extending from the fundamental absorption edge to the deep infra-red; the results from electron transitions within the conduction band
metallic circuit
EN: metallic circuitNL: metallieke leiding
Definitie EN: a circuit composed of metallic conductors and not using an earth return
metallic crosspoint
EN: metallic crosspoint, mechanical crosspointNL: elektromechanisch kruispunt
Definitie EN: a crosspoint whose contacts form part of a relay or are closed by means of a relay mechanism
metallised lamp
EN: metallised lampNL: verspiegelde lamp
Definitie EN: a lamp in which part of the bulb is coated internally or externally with a metallic film to form a reflecting surface so that the light is sent in particular directions
metallised screen
EN: metallised screen, metallized screenNL: gemetalliseerd scherm
Definitie EN: a luminescent screen covered,on the side near the electron gun,with a metallic film that is permeable to electrons
metallising
EN: metallisingNL: het metalliseren
Definitie EN: the application of a thin coating of metal to a plastics surface....The process is sometimes called plating.
metallization
EN: metallizationNL: metallisatie
Definitie EN: production of metal layers on the surface of a semiconductor chip to act as contact areas and interconnections, aluminium being the most common metal used and deposition by vacuum evaporation the most common method of providing the metal, which is cut back by a photo-etch-resist process
metallization
EN: metallizationNL: metalliseringsgraad
Definitie NL: metallisch Fe/totaal Fe x 100 %
metallization
EN: metallizationNL: metallisatie
Definitie EN: the production of metal layers on the surface of semiconductor chip to act as contact areas and interconnections,aluminium being the most common metal used and deposition by vacuum evaporation the most common method of providing the metal,which is cut back by a photo-etch-resist process
metallized bulb
EN: metallized bulbNL: verspiegelde ballon
Definitie EN: a bulb having part of its interior or exterior surface coated with a metallic film to form a reflecting surface so that the light is sent in particular directions
metallized capacitor
EN: metallized capacitorNL: condensator met opgedampte elektroden
Definitie EN: a capacitor in which the electrodes consist of a metallic deposit on the dielectric
metallized screen
EN: metallized screenNL: gemetalliseerd scherm
Definitie EN: a luminescent screen covered,on the side near the electron gun,with a metallic film that is permeable to electrons
metallizing mask
EN: metallizing maskNL: metallisatiemasker
Definitie EN: a photomask that produces the required metal tracks on the surface of a semiconductor device or integrated circuit by a photo-etch-resist process conducted on a deposited metal layer
metallurgical plane
EN: metallurgical plane, junction crossover, physical junctionNL: fysische overgang, fysische junctie
Definitie EN: a) a surface, within a semiconductor piece containing a p-n junction, at which donors and acceptors exactly compensate each other; b) a surface where crossover from p-type to n-type material may be expected from effective dopant density considerations
metamorphic rocks
EN: metamorphic rocksNL: metamorfe gesteenten
Definitie EN: Includes all those rocks which have formed in the solid state in response to pronounced changes of temperature,pressure,and chemical environment,which take place,in general,below th e shells of weathering and cementation.
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