A condition in which broken reinforcing fibres of the base material are exposed and protrude in machined or ab...
Shiny Li
Jan 20,2016
498 views
A plated through-hole in a printed circuit board that is used to provide electrical connection between a trac...
Shiny Li
Jan 20,2016
599 views
A hollow tube inserted in a terminal or printed board to provide mechanical support for component leads or ele...
Shiny Li
Jan 20,2016
617 views
Unwanted copper remaining on the base material after chemical processing.
Shiny Li
Jan 20,2016
833 views
The characteristic curve of a resin during cure showing reaction of temperature vs. time.
Shiny Li
Jan 20,2016
537 views
Removal of metal from the surface of PCB by chemical dissolution. The process is normally carried out selectively&n...
Shiny Li
Jan 20,2016
479 views
A board having a conductive pattern formed by the chemical removal of unwanted portions of the conductive foi...
Shiny Li
Jan 20,2016
467 views
The controlled removal of all resins of base material on the side wall of holes in order to expose intern...
Shiny Li
Jan 20,2016
746 views
A solution used to remove, by chemical reaction, the unwanted portion of material from a printed board.
Shiny Li
Jan 20,2016
500 views
An organic ink, lacquer, photo-resist, self-adhesive plastic tape, metal deposit or other material which will prevent sp...
Shiny Li
Jan 20,2016
539 views
The ratio of the depth of etch (conductor thickness) to the amount of lateral etch (undercut).
Shiny Li
Jan 20,2016
1126 views
Electro-Static-Discharge, the sudden transfer or discharge of electricity from one object to another.
Shiny Li
Jan 20,2016
481 views
(ESD susceptibility) The device’s ability to dissipate the energy of the discharge or withstand the current levels...
Shiny Li
Jan 20,2016
520 views
The percentage of defects not defected vs. the total inspected.
Shiny Li
Jan 20,2016
435 views
Electrical Rule Check: checks the integrity of a circuit (SCH) so that problems like open inputs, shorted outputs&n...
Shiny Li
Jan 20,2016
666 views
Epoxy resins which has been deposited onto the surface or edges of the conductive pattern during drilling. Also&nbs...
Shiny Li
Jan 20,2016
527 views
Materials that form straight chain thermoplastic and thermosetting resins having good mechanical properties and dimensional s...
Shiny Li
Jan 20,2016
461 views
The damaging admission and trapping of air, flux and fumes; it is caused by contamination and plating.
Shiny Li
Jan 20,2016
493 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
| 2 | Engineer | 1 |
| 3 | Stephen Newport | 1 |
