Resin, smeared over the edge of an internal copper layer of a multi-layer board during drilling, which prevents the layer from making electrical contact with the barrel of the hole.
Shiny Li
Jan 28,2016
2032 views
Surface Mounted Device. Any component or hardware element designed to be mounted to a printed circuit board (PCB) without penetrating the board.
Shiny Li
Jan 28,2016
1050 views
A spreading of the solder paste after printing but before re-flow soldering. If excessive, a loss of definition may result.
Shiny Li
Jan 28,2016
1051 views
A production master used in the process of making a single printed board.
Shiny Li
Jan 28,2016
808 views
A printed board with a conductive pattern on one side only.
Shiny Li
Jan 28,2016
920 views
The process of creating a virtual representation(a computer model)of an electronic component, circuit board, or system and applying virtual test signals to the model to verify its functionality and po...
Shiny Li
Jan 28,2016
877 views
Often used for legend print and means the printed reference designators on a printed wiring boards.
Shiny Li
Jan 28,2016
1182 views
An electrical impulse of a pre-determined voltage, current, polarity and pulse width.
Shiny Li
Jan 28,2016
993 views
A conductor layer intended to carry signals, rather than serve as a ground or other fixed voltage function.
Shiny Li
Jan 28,2016
831 views
An individual conductor used to transmit an impressed signal.
Shiny Li
Jan 28,2016
1223 views
Short-circuit, An abnormal connection of relatively low resistance between two points of a circuit or conductors from different nets either touch or some closer than the minimum spacing allowed for th...
Shiny Li
Jan 28,2016
1217 views
A physical barrier, usually electrically conductive, designed to reduce the interaction of electric or magnetic fields upon devices, circuits or portions of circuits.
Shiny Li
Jan 28,2016
2042 views
A condition occurring during etching in which the dielectric material, in intimate contact with the foil, is incompletely removed though acceptable etching may have been achieved elsewhere. In re-flow...
Shiny Li
Jan 28,2016
1853 views
A technique involving the use of a solvent followed by hot-water rinses and drying.
Shiny Li
Jan 28,2016
1196 views
A process for obtaining conductive patterns by a combination of electroless metal deposition with etching and/or electroplating. A semi-additive process is used in conjunction with a metal clad base m...
Shiny Li
Jan 28,2016
1473 views
A network of metal or fabric standards mounted tautly on a frame and upon which the PCB’s circuit pattern is superimposed by photographic means.
Shiny Li
Jan 28,2016
1144 views
A process for transferring an image to a surface by forcing suitable media through a stencil screen with a squeegee. Also called silk screening.
Shiny Li
Jan 28,2016
1366 views
A drawing that shows, by means of graphic symbols, the electrical connections, components and functions of a specific electronic circuit arrangement.
Shiny Li
Jan 28,2016
1246 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | _ Floppy Lab | 4 |
| 2 | PCBWay Team | 3 |
