Shiny Li
Jan 28,2016
865
Transmission Line
A signal-carrying circuit composed of conductors and dielectric material with controlled electrical characteristics used for the transmission of high-frequency or narrow-pulse type signals.
Shiny Li
Jan 28,2016
793
Traces
The metallic conductive strips that provide connections between components, terminals, etc., on printed circuits.
Shiny Li
Jan 28,2016
838
Tombstoning
A soldering defect in which a chip component moves into a vertical position during solidification of the solder so that only one terminal is connected. It is caused by defective re-flow processing.
Shiny Li
Jan 28,2016
860
Tolling Hole
Also called fabrication hole, pilot hole, or manufacturing hole. These are used as PCB reference points upon which other dimensions are based.
Shiny Li
Jan 28,2016
783
Tinning
The application of molten solder to a basis metal in order to increase its solderability.
Shiny Li
Jan 28,2016
850
Through Connection
An electrical connection between conductive patterns on opposite sides of an insulating base, e.g. plated through-hole or clinched jumber wire.
Shiny Li
Jan 28,2016
797
Thermoset
A plastic cured or hardened by heating into a permanent shape. Thermosets cannot be re-melted.
Shiny Li
Jan 28,2016
833
Thermoplastic
A plastic set into final shape by forcing the melted polymer into a cooled mould. The hardened form can be re-melted several times.
Shiny Li
Jan 28,2016
778
Thermocouple
A device made of two dissimilar metals which, when heated, generate a voltage that is used to measure temperatures.
Shiny Li
Jan 28,2016
759
Test Point
Special points of access to an electrical circuit, used for testing purposes.
Shiny Li
Jan 28,2016
859
Test Pattern
A pattern used for inspection or testing purposes.
Shiny Li
Jan 28,2016
775
Test Fixture
A device that adapts a specific assembly under test system via inter-connection.
Shiny Li
Jan 28,2016
1066
Test Coupon
A pattern as an integral part of the PCB on which electrical tests may be made to non-destructively evaluate process control. A portion of a circuit used exclusively to functionally test the circuit a...
Shiny Li
Jan 28,2016
850
Test Board
A printed board suitable for determining acceptability of the board or of a batch of boards produced with the same process so as to be representative of the production board.
Shiny Li
Jan 28,2016
621
Terpenes
(Turpentine)A solvent used in cleaning electrical assemblies.
Shiny Li
Jan 28,2016
619
Termination
The part of component that makes contact with a pad on a substrate.
Shiny Li
Jan 28,2016
667
Terminal Area
A portion of a conductive pattern usually, but not exclusively, used for the connection and/or attachment of components.
Shiny Li
Jan 28,2016
741
Tenting
A printed board fabrication method of covering over plated through-holes and the surrounding conductive pattern with a resist, usually dry film.
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