Shiny Li
Jan 28,2016
1835
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
2132
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
1727
Tinning
The application of molten solder to a basis metal in order to increase its solderability.
Shiny Li
Jan 28,2016
1914
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
1817
Thermoset
A plastic cured or hardened by heating into a permanent shape. Thermosets cannot be re-melted.
Shiny Li
Jan 28,2016
1784
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
1698
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
1759
Test Point
Special points of access to an electrical circuit, used for testing purposes.
Shiny Li
Jan 28,2016
1888
Test Pattern
A pattern used for inspection or testing purposes.
Shiny Li
Jan 28,2016
1706
Test Fixture
A device that adapts a specific assembly under test system via inter-connection.
Shiny Li
Jan 28,2016
2055
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
1773
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
1210
Terpenes
(Turpentine)A solvent used in cleaning electrical assemblies.
Shiny Li
Jan 28,2016
1230
Termination
The part of component that makes contact with a pad on a substrate.
Shiny Li
Jan 28,2016
1289
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
1339
Tenting
A printed board fabrication method of covering over plated through-holes and the surrounding conductive pattern with a resist, usually dry film.
Shiny Li
Jan 28,2016
1767
Tented Via
A via with solder mask completely covering both its pad and its plated through-hole. This completely insulates the via from foreign objects, thus protecting against accidental shorts, but it also rend...
Shiny Li
Jan 28,2016
1218
Temperature Profile
The depiction of the temperature that a selected point traverses as it passes through the re-flow process.
Shiny Li
Jan 28,2016
1421
Teflon
Du Pont trade name as an inventor for PTFE(Polytetrafluoroethylene).
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 4 |
| 2 | KhronoSound Audio | 1 |
