Shiny Li Jan 26,2016 330

Flat Cable

A cable with two or more parallel, round or flat, conductors in the same plane encapsulated by an insulating material.

Flat Cable

Shiny Li Jan 26,2016 265

Fixture

A device that enables interfacing a printed circuit board with a spring-contact probe test pattern.

Fixture

Shiny Li Jan 26,2016 246

First Pass Yield

The per centage of finished assemblies to pass all tests without re-work.

First Pass Yield

Shiny Li Jan 26,2016 269

Finger

A gold-plated terminal of a card-edge connector.

Finger

huwei Jan 22,2016 322

Fine Pitch

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Fine Pitch

Shiny Li Jan 22,2016 322

Fine Line Design

Printed circuit design permitting two, and nowadays even three, traces between adjacent dip Pins. It entails the use of photo-imageable solder mask (PISM).

Fine Line Design

Shiny Li Jan 22,2016 880

Fillet

The concave formation of soldified solder between the land or pad and the component lead.

Fillet

Shiny Li Jan 22,2016 765

Fiducial

A mark both in the artwork and etched with the circuit traces of the PCB. It is used to identify artwork orientation on the board. Global fiducials locate the overall pattern; local fiducials pi...

Fiducial

Shiny Li Jan 22,2016 400

FICS

Flashscan Image Control Software: A DOS Program which sends Gerber files to the plotter.

FICS

Shiny Li Jan 20,2016 260

Fibre Exposure

A condition in which broken reinforcing fibres of the base material are exposed and protrude in machined or ab...

Fibre Exposure

Shiny Li Jan 20,2016 356

Feed-through

A plated through-hole in a printed circuit board that is used to provide electrical connection between a trac...

Feed-through

Shiny Li Jan 20,2016 268

Fault List

A listing of shorts and opens on a PCB to be repaired.

Fault List

Shiny Li Jan 20,2016 315

Eyelet

A hollow tube inserted in a terminal or printed board to provide mechanical support for component leads or ele...

Eyelet

Shiny Li Jan 20,2016 428

Extraneous Copper

Unwanted copper remaining on the base material after chemical processing.

Extraneous Copper

Shiny Li Jan 20,2016 260

Exotherm

The characteristic curve of a resin during cure showing reaction of temperature vs. time.

Exotherm

Shiny Li Jan 20,2016 246

Etching

Removal of metal from the surface of PCB by chemical dissolution. The process is normally carried out selectively&n...

Etching

Shiny Li Jan 20,2016 254

Etched Printed Board

A board having a conductive pattern formed by the chemical removal of unwanted portions of the conductive foi...

Etched Printed Board

Shiny Li Jan 20,2016 422

Etch-back

The controlled removal of all resins of base material on the side wall of holes in order to expose intern...

Etch-back

Shiny Li Jan 20,2016 228

Etchant

A solution used to remove, by chemical reaction, the unwanted portion of material from a printed board.

Etchant

Shiny Li Jan 20,2016 264

ETCH Resist

An organic ink, lacquer, photo-resist, self-adhesive plastic tape, metal deposit or other material which will prevent sp...

ETCH Resist