Shiny Li
Jan 20,2016
530
Etch Factor
The ratio of the depth of etch (conductor thickness) to the amount of lateral etch (undercut).
Shiny Li
Jan 20,2016
253
ESD
Electro-Static-Discharge, the sudden transfer or discharge of electricity from one object to another.
Shiny Li
Jan 20,2016
264
ESD Sensitivity
(ESD susceptibility) The device’s ability to dissipate the energy of the discharge or withstand the current levels...
Shiny Li
Jan 20,2016
224
Escape Rate
The percentage of defects not defected vs. the total inspected.
Shiny Li
Jan 20,2016
316
ERC
Electrical Rule Check: checks the integrity of a circuit (SCH) so that problems like open inputs, shorted outputs&n...
Shiny Li
Jan 20,2016
263
Epoxy Smear
Epoxy resins which has been deposited onto the surface or edges of the conductive pattern during drilling. Also&nbs...
Shiny Li
Jan 20,2016
240
Epoxy Resins
Materials that form straight chain thermoplastic and thermosetting resins having good mechanical properties and dimensional s...
Shiny Li
Jan 20,2016
255
Entrapment
The damaging admission and trapping of air, flux and fumes; it is caused by contamination and plating.
Shiny Li
Jan 20,2016
200
Emulsion Side
The side of the film on which the photographic image is defined.
Shiny Li
Jan 20,2016
242
Embedded Component
A discrete component that is fabricated as an integral part of a printed board.
Shiny Li
Jan 20,2016
285
Electroplating
The electrodeposition of a metal coating on a conductive object. The object to be plated is placed in an ...
Shiny Li
Jan 20,2016
304
Electron-beam Bonding
Terminations made by heating with a stream of electrons in a vacuum.
Shiny Li
Jan 20,2016
217
Electroless Deposition
The deposition of conductive material from an auto-catalytic plating solution without application of electrical current.
Shiny Li
Jan 20,2016
361
Electroless Copper
A layer of copper plated on to an insulating or conductive surface of a PCB by chemical reduction, that&...
Shiny Li
Jan 20,2016
362
Edge-board Contacts
A series of contacts printed on or near any edge of a printed board and intended for mating with an ...
Shiny Li
Jan 20,2016
293
Edge Spacing
The distance of a pattern, components, or both, from the edges of the printed board and intended for mating&nb...
Shiny Li
Jan 20,2016
317
Edge Connector
A connector (can be gold-plated edge contacts or a series of parallel lines of holes).
Shiny Li
Jan 20,2016
510
Edge Clearance
The distance of a pattern, components, or both, from the edges of the printed circuit board.
Shiny Li
Jan 20,2016
296
Durometer
A measurement of the hardness of a non-metal such as rubber, plastic, etc. Also the instrument for such measur...
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