Shiny Li
Jan 28,2016
402
Non-wetting
A condition whereby a surface has contacted molten solder, but has had none of the solder adhere to it.
Shiny Li
Jan 28,2016
373
Non-polar Compound
Material having electrical charges distributed over the surface of the molecule, thereby showing an electrical effect in solution.
Shiny Li
Jan 28,2016
748
Non-functional Land
A land on internal or external layers, not connected to the conductive pattern on its layer.
Shiny Li
Jan 28,2016
368
Non-conductive Pattern
A configuration formed by functional non-conductive material of a printed circuit.
Shiny Li
Jan 28,2016
443
Non-conductive Epoxy
An epoxy resin with or without a filler, which may be added to improve thermal conductivity.
Shiny Li
Jan 28,2016
382
Non-clean solder
A process using specially formulated low-solid solder pastes whose residues require no cleaning.
Shiny Li
Jan 28,2016
400
Node
A pin, lead or even junction which will have at least one wire connected to it.
Shiny Li
Jan 28,2016
367
Neutralizer
An alkaline chemical added to water to improve its ability to dissolve flux residues.
Shiny Li
Jan 28,2016
595
Netlist
A net is a junction of component nodes. A netlist is a collection of nets that define all the connections in a circuit. It is obtained automatically from a schematic capture program.
Shiny Li
Jan 28,2016
554
Negative–acting Resist
A resist which is polymerized (hardened) by light and which, after exposure and development remains on the surface of a laminate in those areas which were under the transparent parts of a production ,...
Shiny Li
Jan 28,2016
397
Negative (Noun)
An artwork, artwork master, or production master in which the intended conductive pattern is transparent to light, and the areas to be free from conductive material are opaque.
Shiny Li
Jan 28,2016
591
Nail Heading
The flared condition of copper on the inner conductor layers of a multi-layer board usually caused by hole drilling.
Shiny Li
Jan 28,2016
404
Multiple-image Production Master
A production master used in the process of making two or more printed boars simultaneously.
Shiny Li
Jan 28,2016
471
Multimeter
A portable test instrument which can be used to measure voltage, current and resistance.
Shiny Li
Jan 28,2016
351
Multi-layer PCB
Printed circuit boards consisting of three or more conducting circuit planes separated by insulating material and boned together with internal and external connections of the circuitry as required.
Shiny Li
Jan 28,2016
425
Muffle
An enclosure that is located between the heating elements and the parts being processed that contains the atmosphere required for the re-flow soldering process.
Shiny Li
Jan 28,2016
459
Mounting Hole
A hole used for the mechanical mounting of a printed board or for the mechanical attachment of components to the printed board .
Shiny Li
Jan 28,2016
356
Mother Board
Also called back plane, or matrix board. A relatively large printed circuit board on which modules, connectors, sub-assemblies or other printed circuit boards are mounted and inter connections made by...
Shiny Li
Jan 28,2016
394
Module
A separable unit in a packaging scheme displaying regularity of dimensions.
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