Shiny Li
Jan 28,2016
379
Internal Layer
A conductive pattern which is contained entirely within a multi-layer printed board.
Shiny Li
Jan 28,2016
280
Inter-layer Connection
An electrical connection between conductive patterns in different layers of a multi-layer printed board. (See also Through Connection.)
Shiny Li
Jan 28,2016
308
Insulation Resistance
The electrical resistance of the insulating material (determined under specified conditions) between any pair of contacts, conductors, or grounding device in various combinations. The electrical...
Shiny Li
Jan 28,2016
323
Inspection Overlay
A positive or negative transparency made from the production master and used as an inspection aid.
Shiny Li
Jan 28,2016
269
Inspection Lot
A collection of units of products bearing identification and treated as a unique entity from,which a sample is to be drawn and inspected to determine conformance with the acceptability criteria. ...
Shiny Li
Jan 28,2016
286
INDEX EDGE
INDEX EDGE MARKER, INDEXING HOLE, INDEXING NOTCH, INDEXING SLOT: See Locating Edge, Location Edge Marker,etc.
Shiny Li
Jan 28,2016
409
Inclusion
A foreign particle in the conductive layer, plating, or base material.
Shiny Li
Jan 28,2016
291
In-circuit Test
A check of specific components(s) or cuicuits(s) within an assembly without their de-coupling from the primary circuit.
Shiny Li
Jan 28,2016
475
Impedance, Characteristic
The resistance of a parallel conductor structure to the flow of alternating current (ac), usually applied to high-speed circuits and normally consisting of a constant value over a wide range of freque...
Shiny Li
Jan 28,2016
291
Immersion Plating
The chemical deposition of a thin metallic coating over certain basis metals that is achieved by a partial displacement of the basis metal.
Shiny Li
Jan 28,2016
310
Hygroscopic
The ability of a material to absorb and retain moisture from the air.
Shiny Li
Jan 28,2016
372
Hot Zone
The section of a re-flow oven held at maximum temperature. Other zones include per-heat and cooling.
Shiny Li
Jan 28,2016
317
Hole Void
A void in the metallic deposit of a plated through-hole exposing the base material.
Shiny Li
Jan 28,2016
379
Hole Pull Strength
The force necessary to rupture a plated through-hole when loaded or pulled in the direction of the axis of the hole.
Shiny Li
Jan 28,2016
397
Hole Location
The dimensional location of the centre of a hole.
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