A hole size equal to the specified hole size before plating, plus the manufacturing tolerance, less twice the minimum plating thickness.
Shiny Li
Jan 28,2016
624 views
An accurately scaled pattern which is used to produce the printed circuit within the accuracy specified on the master drawing.
Shiny Li
Jan 28,2016
732 views
A document that shows the dimensional limits or grid locations applicable to any or all parts of a printed board(rigid or flexible),including the arrangement of conductive and non-conductive patterns ...
Shiny Li
Jan 28,2016
795 views
A document showing dimensional limits and grid locations for all parts of an assembly to be fabricated. It includes the arrangement of conductors and non-conductive patterns and the size, t...
Shiny Li
Jan 28,2016
448 views
Methods of soldering in which many joints are made in the same operation.
Shiny Li
Jan 28,2016
542 views
A material applied to enable selective etching, plating or the application of solder to a printed circuit board.
Shiny Li
Jan 28,2016
464 views
The distance between the reference edge of a flat cable and the nearest edge of the first conductor.(See also Edge Spacing)
Shiny Li
Jan 28,2016
809 views
The minimum metal width, at the narrowest point between the circumference of the hole and the outer circumference of the land. This measurement is made to the drilled hole on internal layers of multi-...
Shiny Li
Jan 28,2016
844 views
A defect that could result in failure or significantly reduce the usability of the part for its intended purpose.
Shiny Li
Jan 28,2016
477 views
A drawing that depicts the multi-state device implementation of logic functions with logic symbols and supplementary notations, showing details of signal flow and control, but not necessarily the poin...
Shiny Li
Jan 28,2016
605 views
A hole,notch or slot in the panel or printed board to enable it to be positioned accurately during manufacture and/or assembly. Synonyms: fabrication hole (or notch or slot),indexing hole, location ho...
Shiny Li
Jan 28,2016
1730 views
A physical feature in a panel or printed board used to position the board or mounted components accurately.
Shiny Li
Jan 28,2016
725 views
A mass re-flow soldering system test for the capacity repeatedly to process boards regardless of their volume though the oven.
Shiny Li
Jan 28,2016
503 views
The lowest temperature at which filler metal (solder) is completely liquid.
Shiny Li
Jan 28,2016
588 views
If a solder alloy with a long melting range is heated too slowly. the phase with the lowest melting point begins to flow first. The material left behind has a changed composition and a higher melting ...
Shiny Li
Jan 28,2016
516 views
A land that has fully or partially separated (lifted)from the base material, whether or not any resin is lifted with land.
Shiny Li
Jan 28,2016
801 views
A format of lettering or symbols on the printed board, e.g. Part number, component locations, and patterns.
Shiny Li
Jan 28,2016
544 views
The distance that a component lead protrudes through the side of a board that is opposite from the one upon which the component is mounted.
Shiny Li
Jan 28,2016
511 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 9 |
| 2 | Xiaoyang Ma | 1 |
| 3 | Engineer | 1 |
| 4 | Christian Davies | 1 |
