Shiny Li
Jan 19,2016
264
Automated Component Insertion
Assembling discrete components to PCBs via electrically controlled equipment.
Shiny Li
Jan 19,2016
253
Assembly Language
A computer language of brief expressions for translation into a machine language.
Shiny Li
Jan 19,2016
361
Assembly House
A manufacturing facility for attaching and soldering components to a printed circuit.
Shiny Li
Jan 19,2016
421
Assembly Drawing
i: A drawing depicting the locations of components, with their reference designators (q.v.), on a printed circuit. ii:T...
Shiny Li
Jan 19,2016
425
Aspect Ratio
The ratio of the circuit board thickness to the smallest hole diameter.
Shiny Li
Jan 19,2016
301
ASCII
Acronym for “American Standard Code for Information Interchange”; a seven-bit code that assigns numeric values to letter...
Shiny Li
Jan 19,2016
254
Artwork
An accurately scaled configuration used to produce a master pattern. It is generally prepared at an enlarged scale&...
Shiny Li
Jan 19,2016
443
Artwork Master
An accurately scaled image of the conductive pattern of a PCB which is used to produce the 1:1 production ...
Shiny Li
Jan 19,2016
625
Arc Resistance
The resistance of a material to the effects of a high voltage, low-current, under prescribed conditions, passing ac...
Shiny Li
Jan 19,2016
353
Aqueous Cleaning
A water-based method that may include neutralizers, saponifiers, surfactants, dispersants and anti-foaming agents.
Shiny Li
Jan 19,2016
420
AQL
Acceptable Quality Level. The maximum number of defectives likely to exist within a population lot that can be ...
Shiny Li
Jan 19,2016
558
Aperture List
List containing the shapes and dimensions of pads and tracks, etc., to expose on the film in a photoplot...
Shiny Li
Jan 19,2016
391
ANSI
Acronym for “ American National Standards Institute”, an organization formed by industry and the US Government to d...
Shiny Li
Jan 19,2016
298
Annular Ring
The width of the conductor surrounding a hole through a printed circuit pad.
Shiny Li
Jan 19,2016
310
Annotation
Text or legend pertinent to a board design; text appears off the board areas and consists of lettering and&nbs...
Shiny Li
Jan 19,2016
243
Angle of Attack
The angle between the face of the squeegee and the surface of the screen.
Shiny Li
Jan 19,2016
356
Anchoring Spur
An extension of a land（like one or two blind paths）on a flexible printed board that extends beneath the cover&...
Shiny Li
Jan 19,2016
220
Analog In-circuit Test
A system measuring component values on a populated PCB before power is applied.
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