Compounds containing fluorine, chlorine, bromine or iodine, which may be part of the activators in the flux system and must be cleaned.
Shiny Li
Jan 28,2016
739 views
A surface mounted device lead which flares outward from the device body.
Shiny Li
Jan 28,2016
978 views
A technique for volume production of PCBs based on incoming inspection to catch the majority of device failures and inspection prior to populating, that will eliminate most manufacturing errors. ...
Shiny Li
Jan 26,2016
542 views
Removed portions of a ground plane that serves to isolate it form a hole in the base material to which the plane is attached
Shiny Li
Jan 26,2016
953 views
A conductor layer, or portion of a conductor layer, used as a common reference point for circuit returns, shielding, or heat sinking. All those areas, not consumed by traces or pads, of the PCB which ...
Shiny Li
Jan 26,2016
649 views
An orthogonal network of two sets of parallel, equidistant lines used for locating points on a printed circuit board.
Shiny Li
Jan 26,2016
635 views
A coating process in which a set portion of resin is dispensed on the top of a chip or board. After spreading over the entire surface ,it is cured to form a soild protective coating.
Shiny Li
Jan 26,2016
793 views
TG-value, temperature at which resin ceases to act as a solid, Till this temperature, no separation will take place between resin/copper/reinforcement.
Shiny Li
Jan 26,2016
630 views
A material used to fabricate printed circuit boards. The base material (fibre-glass) is impregnated with an epoxy filler which then must have copper laminated to its outer surface to form the material...
Shiny Li
Jan 26,2016
620 views
Laminate made from woven glass fibre material impregnated with polyimide resin.
Shiny Li
Jan 26,2016
606 views
Vector-based language, developed by Gerber Scientific Instrument Company, for sending commands to photoplotters.
Shiny Li
Jan 26,2016
571 views
A flowing inert gas atmosphere used to keep metal from oxidizing.
Shiny Li
Jan 26,2016
619 views
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
721 views
To check an assembly using equipment that tests for the functions intended and engaging inputs and outputs.
Shiny Li
Jan 26,2016
561 views
An additive process wherein the entire thickness of electrically isolated conductors is built-up by copper.
Shiny Li
Jan 26,2016
618 views
Flame retardent laminate made from woven glass fibre material impregnated with epoxy resin.
Shiny Li
Jan 26,2016
642 views
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
745 views
(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
678 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
| 2 | Engineer | 1 |
| 3 | Stephen Newport | 1 |
