Shiny Li
Jan 28,2016
1223
Resist
Coating material used to mask or to protect selected areas of a pattern from the action of an etchant, solder, or plating. Also see Dry Film, Resists, Plating Resists and Solder Resists.
Shiny Li
Jan 28,2016
1368
Resin
A high-molecular-weight organic material with no specific melting point. A polymer.
Shiny Li
Jan 28,2016
1500
Resin Smear
Resin transferred from the base material onto the surface or edge of conductive pattern normally caused by drilling. Sometimes called epoxy smear.
Shiny Li
Jan 28,2016
1354
Residue
Any visual or measurable form of process-related contamination.
Shiny Li
Jan 28,2016
1223
Repeatability
The ability of a system to return to a specific parameter, said of equipment when evaluating its consistency of processing.
Shiny Li
Jan 28,2016
1200
Repair
The process of restoring the functional capability of a defective component or circuit.
Shiny Li
Jan 28,2016
1254
Reliability
The probability that a component, device or assembly will function properly for a defined period of time under the influence of specific environment and operational conditions.
Shiny Li
Jan 28,2016
1328
Relative Humidity
The radio of the quantity of water vapour present in the air to the quantity which would saturate the air at the given temperature.
Shiny Li
Jan 28,2016
2068
Registration
The alignment of a pad on one side of the printed circuit board or layers of a multi-layer board to its mating pad on the opposite side.
Shiny Li
Jan 28,2016
1163
Register Mark
A symbol used as a reference point to maintain registration.
Shiny Li
Jan 28,2016
1296
Re-flowing
The melting of an electro-deposit followed by solidification.
Shiny Li
Jan 28,2016
1185
Re-flow Spike
The portion of the re-flow soldering process during which the temperature of the solder is raised to a value&n...
Shiny Li
Jan 28,2016
1184
Re-flow Soldering
Joining components to substrates by placing the parts into solder paste and then melting the paste to achieve ...
Shiny Li
Jan 28,2016
1206
Reference Edge
The edge of cable or conductor from which measurements are made.
Shiny Li
Jan 28,2016
1437
Radial Lead
A lead extending out of the side of a component, rather than from the end.
Shiny Li
Jan 28,2016
1457
PTH
Plated through-holes. Plating the holes on their internal wall.
Shiny Li
Jan 28,2016
1384
Production Master
A 1 to 1 (1:1) scale pattern which is used to produce one or more printed boards (rigid or flexible) ...
Shiny Li
Jan 28,2016
1657
Process Indicator
A detectable anomaly, other than a defect, that is reflective of material, equipment, process and/or workmanship variati...
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 11 |
| 2 | KhronoSound Audio | 2 |
| 3 | john James | 1 |
| 4 | Engineer | 1 |
| 5 | LouD _ | 1 |
