Induced fracturing or de-lamination on or below the surface of the base material, it is usually exhibited by a light area around holes, other machined areas, or both.
Shiny Li
Jan 28,2016
1260 views
A polyester resin modified with halogens to reduce flammability.
Shiny Li
Jan 28,2016
573 views
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
724 views
A surface mounted device lead which flares outward from the device body.
Shiny Li
Jan 28,2016
957 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
528 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
932 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
635 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
615 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
777 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
616 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
608 views
Laminate made from woven glass fibre material impregnated with polyimide resin.
Shiny Li
Jan 26,2016
594 views
Vector-based language, developed by Gerber Scientific Instrument Company, for sending commands to photoplotters.
Shiny Li
Jan 26,2016
558 views
A flowing inert gas atmosphere used to keep metal from oxidizing.
Shiny Li
Jan 26,2016
601 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
709 views
To check an assembly using equipment that tests for the functions intended and engaging inputs and outputs.
Shiny Li
Jan 26,2016
547 views
An additive process wherein the entire thickness of electrically isolated conductors is built-up by copper.
Shiny Li
Jan 26,2016
599 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | _ Floppy Lab | 4 |
| 2 | PCBWay Team | 3 |
