Shiny Li
Jan 28,2016
907
Pattern
The configuration of all conductive and/or non-conductive areas on a PCB. Letters and inscription may also be included. Pattern also denotes the circuit configuration on related tools, drawing and mas...
Shiny Li
Jan 28,2016
840
Parylene
A polymer resin (Polyparaxylense) that provides a thin, uniform coating on PCBs and components. It can be applied via vacuum for deposition on sharp edges and complex shapes.
Shiny Li
Jan 28,2016
1000
Panel Plating
The plating of the entire surface of a panel (including holes).
Shiny Li
Jan 28,2016
1061
Panel
The base material containing one or more circuit patterns that passes successively through the production sequence and from which printed circuit boards are extracted. See Backplanes/Backpanels.
Shiny Li
Jan 28,2016
902
Pad
A portion of the conductive area of which components, terminals, traces, etc., are mechanically attached. (Also called land).
Shiny Li
Jan 28,2016
1344
Packaging Density
Quantity of functions (components, interconnection devices, mechanical devices) per unit volume, usually expressed in qualitative terms, such as high, medium, or low.
Shiny Li
Jan 28,2016
2075
Overhang
Increase in printed circuit conductor width caused by plating build-up or by undercutting during etching.
Shiny Li
Jan 28,2016
1223
Outgrowth
The increase in conductor width at one side of a conductor, caused by plating build-up, over that delineated on the production master.
Shiny Li
Jan 28,2016
1127
Outgassing
The gaseous emission from a laminate printed board or component when the board or the printed board assembly is exposed to heat or reduced air pressure or both.
Shiny Li
Jan 28,2016
1077
Organic Activated (OA)
A water-soluble flux using organic acids as activators.
Shiny Li
Jan 28,2016
1225
Open
An area of a bare PCB which, due to over-etching or fabrication problems, separates two electrically connected points.
Shiny Li
Jan 28,2016
1264
Omegameter
A test instrument measuring ionic residues on PCBs via the drop of resistivity over a specific time.
Shiny Li
Jan 28,2016
1203
Non-wetting
A condition whereby a surface has contacted molten solder, but has had none of the solder adhere to it.
Shiny Li
Jan 28,2016
1206
Non-polar Compound
Material having electrical charges distributed over the surface of the molecule, thereby showing an electrical effect in solution.
Shiny Li
Jan 28,2016
2092
Non-functional Land
A land on internal or external layers, not connected to the conductive pattern on its layer.
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 4 |
| 2 | KhronoSound Audio | 1 |
