PCB Glossary

Continuity Testing

A procedure in which voltage is applied to two interconnected lands to ascertain the presence or absence of current flow.

Continuity Testing

PCB Glossary

Contaminate/Contaminant

An impurity or foreign substance whose presence on printed wiring assemblies could electrolytically, chemically, or galvanically corrode the system.

Contaminate/Contaminant

PCB Glossary

Contact Spacing

The distance between the centre lines of adjacent contact areas.

Contact Spacing

PCB Glossary

Contact Resistance

The electrical resistance of the metallic surfaces at their interface in the contact area under specified conditions.

Contact Resistance

PCB Glossary

Contact Area

The common area between a conductor and a connector through which the flow of electricity takes place.

Contact Area

PCB Glossary

Connector Tongue

A protrusion of the Printed Circuit Board edge that is manufactured to a configuration to mate with a receptacle that provides electrical and/or mechanical junction between the Printed Circuit Board a...

Connector Tongue

PCB Glossary

Connection

One plug or receptacle which can be easily joined to or separated from its mate. Multiple-contact connectors join two or more conductors with others in one mechanical assembly.

Connection

PCB Glossary

Conformal Coating

A thin dielectric cover brushed, dipped or sprayed over parts and circuits of PCBs for environmental and mechanical protection.

Conformal Coating

PCB Glossary

Conductor

A single conductive path in conductive pattern. A PCB has at least one layer of conductors. Synonyms: path, trace.

Conductor

PCB Glossary

Conductor Width

The observable width of the pertinent conductor at any point chosen at random on the printed board, normally viewed from vertically above unless otherwise specified.

Conductor Width

PCB Glossary

Conductor-to-hole Spacing

The distance between the edge of a conductor and the edge of a supported or unsupported hole.

Conductor-to-hole Spacing

PCB Glossary

Conductor Thickness

The thickness of the conductor at any point chosen at random on the printed board, normally viewed from vertically above unless otherwise specified.

Conductor Thickness

PCB Glossary

Conductor Spacing

The average or minimum (as specified) distance between the adjacent edges of conductors on the same layer of a printed board.

Conductor Spacing

PCB Glossary

Conductor Side

The side of a single-sided printed board containing the conductive pattern.

Conductor Side

PCB Glossary

Conductor Pattern

See “Conductive Pattern ”.

Conductor Pattern

PCB Glossary

Conductor Layer

The total conductive pattern formed upon one side of a single layer of base material.

Conductor Layer

PCB Glossary

Conductor Base width

The conductor width at the plane of the surface of the base material. See also: Conductor width.

Conductor Base width

PCB Glossary

Conductive Pattern

The configuration or design of the conductive material on the base laminate. Includes conductors, lands, and through connections.

Conductive Pattern

PCB Glossary

Conductive Foil

A thin sheet of metal that may cover one or both sides of the base material and is intended to form the conductive pattern.

Conductive Foil

PCB Glossary

Conductive Adhesive

A material to which metal particles (usually silver ) are added to increase electrical conductivity.

Conductive Adhesive

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