Shiny Li
Jan 28,2016
2616
Locating Hole, Locating Notch, Locating Slot
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
1045
Locating Edge, Locating Hole, Locating Notch, Locating Slot
A physical feature in a panel or printed board used to position the board or mounted components accurately.
Shiny Li
Jan 28,2016
716
Load Test
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
809
Liquids
The lowest temperature at which filler metal (solder) is completely liquid.
Shiny Li
Jan 28,2016
793
Liquation
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
1232
Lifted Land
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
789
Legend
A format of lettering or symbols on the printed board, e.g. Part number, component locations, and patterns.
Shiny Li
Jan 28,2016
766
Lead Projection
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
642
Layer
One in a series of levels in a board on which tracks are arranged to connect components. Vias connect tracks and zones between layers.
Shiny Li
Jan 28,2016
839
Layer-to-Layer Spacing
The thickness of dielectric material between adjacent layers of conductive circuitry in a multi-layer printed circuit board.
Shiny Li
Jan 28,2016
692
Land
On a PCB, the conductive area(s) to which components are attached. Also called pad.
Shiny Li
Jan 28,2016
712
Land Pattern
A combination of lands that is used to mount, interconnect and test a particular component.
Shiny Li
Jan 28,2016
672
Lamination
The process of manufacturing a laminate; also the process used for application of a dry film photo-resist.
Shiny Li
Jan 28,2016
663
Laminate Presses
Multi-layer equipment that applies both pressure and heat to laminate and prepreg to make multi-layer boards.
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 4 |
| 2 | Engineer | 1 |
| 3 | Ibrahim TKR | 1 |
| 4 | Engineer | 1 |
| 5 | Adilson Pierog | 1 |
| 6 | Lucas Laupichler | 1 |
