A chemical added to the cleaning solution to lower surface tension and to promote wetting.
Shiny Li
Jan 28,2016
989 views
The natural, inward, molecular attraction force that inhibits the spread of a liquid at its interface with a solid material.
Shiny Li
Jan 28,2016
1178 views
The electrical connection of components to the surface of a conductive pattern that does not utilize component holes.
Shiny Li
Jan 28,2016
975 views
The passage of current over the boundary surface of an insulator as distinguished from passage through its volume.
Shiny Li
Jan 28,2016
879 views
A measure in ohms of an insulating material’s (as in FR-4) electrical resistance between conductors.
Shiny Li
Jan 28,2016
1122 views
Test for the level of resistance of an insulating material, such as FR-4.between conducting members of a board (traces, contacts).
Shiny Li
Jan 28,2016
1228 views
A hole in a printed board that has its inside surface plated or otherwise reinforced.
Shiny Li
Jan 28,2016
2078 views
A process for obtaining conductive patterns by selective removal of unwanted areas of conductive foil from a metal clad base material.
Shiny Li
Jan 28,2016
1040 views
A type of transmission line configuration which consists of a single narrow conductor parallel and equidistant to two parallel ground planes.
Shiny Li
Jan 28,2016
888 views
A component lead that extends through a hole and is terminated without subsequent forming.
Shiny Li
Jan 28,2016
1193 views
A method by which successive exposures of a single image are made to produce a multiple-image production master.
Shiny Li
Jan 28,2016
1421 views
The making of solder connections by sequentially using solder alloys with successively lower melting temperatures.
Shiny Li
Jan 28,2016
1193 views
The use of statistical techniques to analyse the outputs of processes with the results guiding actions taken to adjust and/or maintain a state of quality control.
Shiny Li
Jan 28,2016
1231 views
Wiring which is produced by die stamping and which is bonded to an insulating base.
Shiny Li
Jan 28,2016
1220 views
The highest temperature at which filler metal(Solder) is completely solid.
Shiny Li
Jan 28,2016
1125 views
A method of connecting a solid wire to a square, rectangular, or V-shaped terminal by tightly wrapping the wire around the terminal with a special tool.
Shiny Li
Jan 28,2016
1105 views
A process of joining metallic surfaces with solder, without the melting of the base metals.
Shiny Li
Jan 28,2016
1229 views
| Ranking | Name | Answers |
|---|---|---|
| 1 | _ Floppy Lab | 4 |
| 2 | PCBWay Team | 3 |
