Shiny Li
Jan 26,2016
326
GI
Laminate made from woven glass fibre material impregnated with polyimide resin.
Shiny Li
Jan 26,2016
326
Gerber
Vector-based language, developed by Gerber Scientific Instrument Company, for sending commands to photoplotters.
Shiny Li
Jan 26,2016
330
Gas Blanket
A flowing inert gas atmosphere used to keep metal from oxidizing.
Shiny Li
Jan 26,2016
432
Fused Coating
A metallic coating, usually tin or solder alluvia, which has been melted and solidified forming a metallurgical bond to the base material.
Shiny Li
Jan 26,2016
321
Functional Test
To check an assembly using equipment that tests for the functions intended and engaging inputs and outputs.
Shiny Li
Jan 26,2016
324
Fully-Additive Process
An additive process wherein the entire thickness of electrically isolated conductors is built-up by copper.
Shiny Li
Jan 26,2016
348
FR4
Flame retardent laminate made from woven glass fibre material impregnated with epoxy resin.
Shiny Li
Jan 26,2016
433
Forced-air Convection
Convection, consisting of flow, rate, velocity and temperature, as heat transfer of fluid or gas over solder joints to be re-flowed.
Shiny Li
Jan 26,2016
374
Footprint
(See also Land Pattern).A set of properly sized and placed pads of a PCB on which a surface mounted component can be placed and soldered. Alternatively, the footprint is the board area occupied by a s...
Shiny Li
Jan 26,2016
323
Foil
A thin sheet of metal, usually copper, used as the conductor for printed circuits.
Shiny Li
Jan 26,2016
340
Flux-cored Solder
A wire of solder that contains one or more continuous flux-filled cavities along its length.
Shiny Li
Jan 26,2016
463
Flux, Activated Rosin Flux
A mixture of rosin and small amounts of organic-halide or organic-acid activator, which improves the ability of a flux to remove surface oxides from the surfaces being joined.
Shiny Li
Jan 26,2016
336
Flux Residue
A flux-related contaminant that is present on or near the surface after soldering and, if possible, should be washed away.
Shiny Li
Jan 26,2016
437
Flux
A substance used to promote or facilitate fusion, such as a material used to remove oxides from surfaces to be joined by soldering welding.
Shiny Li
Jan 26,2016
416
Flush Conductor
A conductor whose outer surface is in the same plane as the surface of the insulating material adjacent to the conductor.
Shiny Li
Jan 26,2016
385
Fluorocarbon
An organic compound having fluorine atoms in its structure to lend chemical and thermal stability to plastics.
Shiny Li
Jan 26,2016
390
Flow Soldering
Also called wave soldering. A method of soldering printed circuit boards by moving them over a flowing wave of molten solder in a solder bath.
Shiny Li
Jan 26,2016
300
Flood Bar
A device on a screen printer that drags solder paste back to the starting point after the squeegee has made a stroke. The return is for set-up of the next stroke as it does no printing on the backstro...
Shiny Li
Jan 26,2016
261
Flexure Failure
A conductor failure due to repeated flexing which is indicated by an increase of resistance to a specified value for a specified time.
Shiny Li
Jan 26,2016
339
Flexible Printed Wiring
A random arrangement of printed wiring utilizing flexible base material with or without flexible cover layers.
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