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
1064 views
A production master used in the process of making a single printed board.
Shiny Li
Jan 28,2016
824 views
A printed board with a conductive pattern on one side only.
Shiny Li
Jan 28,2016
936 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
891 views
Often used for legend print and means the printed reference designators on a printed wiring boards.
Shiny Li
Jan 28,2016
1203 views
An electrical impulse of a pre-determined voltage, current, polarity and pulse width.
Shiny Li
Jan 28,2016
1008 views
A conductor layer intended to carry signals, rather than serve as a ground or other fixed voltage function.
Shiny Li
Jan 28,2016
852 views
An individual conductor used to transmit an impressed signal.
Shiny Li
Jan 28,2016
1239 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
1232 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
2062 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
1875 views
A technique involving the use of a solvent followed by hot-water rinses and drying.
Shiny Li
Jan 28,2016
1210 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
1490 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
1157 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
1383 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
1261 views
An aqueous organic or inorganic base solution with additives that promote the removal of flux.
Shiny Li
Jan 28,2016
1473 views
A hard, natural resin (nowadays also synthetic),consisting of abietic and primaric acids and their isomers, some fatty acids and terpene hydrocarbons, that is extracted from pine trees and subse...
Shiny Li
Jan 28,2016
1229 views
The mildest of solder fluxes and generally requiring added organic activating agents.
Shiny Li
Jan 28,2016
1208 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | PCBWay Team | 6 |
| 2 | Engineer | 1 |
| 3 | Stephen Newport | 1 |
