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Statements

Subject Item
dbr:Feedthrough
rdf:type
owl:Thing yago:PsychologicalFeature100023100 yago:Abstraction100002137 yago:Idea105833840 yago:WikicatElectricalComponents yago:Concept105835747 dbo:Person yago:Part105867413 yago:Cognition100023271 yago:Component105868954 yago:Content105809192
rdfs:label
真空フィードスルー Feedthrough
rdfs:comment
A feedthrough is a conductor used to carry a signal through an enclosure or printed circuit board. Like any conductor, it has a small amount of capacitance. A "feedthrough capacitor" has a guaranteed minimum value of shunt capacitance built in it and is used for bypass purposes in ultra-high-frequency applications. Feedthroughs can be divided into power and instrumentation categories. Power feedthroughs are used to carry either high current or high voltage. Instrumentation feedthroughs are used to carry electrical signals (including thermocouples) which are normally low current or voltage. Another special type is what is commonly known as RF-feedthrough, specifically designed to carry very high frequency RF or microwave electrical signals. 真空フィードスルー（しんくうフィードスルー、英語：Vacuum feedthrough）は、真空状態を保っている機器の内部へ、電気信号や物理的な運動、流体などを輸送、コントロールするために、真空状態と大気を遮る真空壁に取り付けられる真空部品である。
owl:differentFrom
dbr:DC_block
foaf:depiction
n15:60kV_Feedthrough.jpg n15:Feedtrough_cap_small.jpg
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dbc:Electrical_components
dbo:wikiPageID
31019140
dbo:wikiPageRevisionID
1094076166
dbo:wikiPageWikiLink
dbr:Pressure_vessel dbr:Spark_gap dbr:Circuit_board dbr:Conductor_(material) n16:Feedtrough_cap_small.jpg dbr:Thermocouple dbr:Capacitance dbr:Microwave dbr:Radio_frequency dbc:Electrical_components dbr:Vacuum_technology dbr:Spark_plug n16:60kV_Feedthrough.jpg dbr:Electron_microscope
owl:sameAs
yago-res:Feedthrough dbpedia-ja:真空フィードスルー freebase:m.0gg8r9f n20:4jSLq wikidata:Q5441253 dbpedia-fa:توگذر
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dbo:thumbnail
n15:60kV_Feedthrough.jpg?width=300
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dbpedia-de:Leistungstransformator
dbp:date
August 2020
dbp:text
shunt capacitance
dbo:abstract
真空フィードスルー（しんくうフィードスルー、英語：Vacuum feedthrough）は、真空状態を保っている機器の内部へ、電気信号や物理的な運動、流体などを輸送、コントロールするために、真空状態と大気を遮る真空壁に取り付けられる真空部品である。 A feedthrough is a conductor used to carry a signal through an enclosure or printed circuit board. Like any conductor, it has a small amount of capacitance. A "feedthrough capacitor" has a guaranteed minimum value of shunt capacitance built in it and is used for bypass purposes in ultra-high-frequency applications. Feedthroughs can be divided into power and instrumentation categories. Power feedthroughs are used to carry either high current or high voltage. Instrumentation feedthroughs are used to carry electrical signals (including thermocouples) which are normally low current or voltage. Another special type is what is commonly known as RF-feedthrough, specifically designed to carry very high frequency RF or microwave electrical signals. A feedthrough electrical connection may have to withstand considerable pressure difference across its length. Systems that operate under high vacuum, such as electron microscopes, require electrical connections through the pressure vessel. Similarly, submersible vehicles require feedthrough connections between exterior instruments and devices and the controls within the vehicle pressure hull. A very common example of a feedthrough connection is an automobile spark plug where the body of the plug must resist the pressure and temperature produced in the engine, while providing a reliable electrical connection to the spark gap in the combustion chamber. (Spark plugs are occasionally used as low-cost or improvised feedthrough connections in non-engine applications.) There are electrical hermetically sealed feedthroughs for instrumentation, high amperage and voltage, coaxial, thermocouple and fiber optics. Rotary or mechanical feedthroughs also exist.
gold:hypernym
dbr:Conductor
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wikipedia-en:Feedthrough?oldid=1094076166&ns=0
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2471
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wikipedia-en:Feedthrough