PCB Glossary

Drag-out

A measure of cleaning solution lost via board emergence after immersion.

Drag-out

PCB Glossary

Drag Soldering

The making of soldered terminations by dipping the colder side of a supported printed board with through-hole mount...

Drag Soldering

PCB Glossary

DPF

Disc Plot Format.

DPF

PCB Glossary

Double-sided Board

A printed board with a conductive pattern on both sides.

Double-sided Board

PCB Glossary

Double-sided Assembly

A PCB with components mounted on both skies.

Double-sided Assembly

PCB Glossary

Documentation

Information on an assembly that explains the basic design concept, type and quantity of parts and materials, specia...

Documentation

PCB Glossary

Disturbed Solder Connection

A solder connection that is characterized by the appearance that there was motion between the metals being joined&n...

Disturbed Solder Connection

PCB Glossary

Dispersent

A chemical added to the cleaning solution to improve its particulate-removal ability.

Dispersent

PCB Glossary

Discrete Component

A component which has been fabricated prior to its installation (i.e., resistors, capacitors, diodes, transistors, capacitors...

Discrete Component

PCB Glossary

DIP Soldering

A process whereby printed boards are brought into contact with the surface of a static pool of molten solder&n...

DIP Soldering

PCB Glossary

Dimensional Stability

A measure of dimensional change cause by such factory as temperature, humidity, chemical treatment, age, or stress ...

Dimensional Stability

PCB Glossary

Dimensional Hole

A hole in a printed board where the means of determining location is by co-ordinate values not necessarily coi...

Dimensional Hole

PCB Glossary

Digitizing

Any method of reducing feature locations on a flat plane to digital representation of X-Y co-ordinates.

Digitizing

PCB Glossary

Digital Logic Simulator

A tool used to verity the design (or portions thereof) in the digital domain by applying virtual test signals&...

Digital Logic Simulator

PCB Glossary

Digital Circuit

A circuit comprised mostly of integrated circuits and operate, like a switch (i.e., it is either “ON” or “OFF”...

Digital Circuit

PCB Glossary

Dielectric

An insulating medium which occupies the region between the conductors. It is also the distance between bonded inner...

Dielectric

PCB Glossary

Dielectric Strength

The maximum voltage that a dielectric material can withstand, under specified conditions, without rupturing (usually expresse...

Dielectric Strength

PCB Glossary

Dielectric Constant

The property of a dielectric which determines the electrostatic energy stored per unite volume for a potential grad...

Dielectric Constant

PCB Glossary

Die

The uncased and normally leadless form of an electronic component that is either active or passive, discrete or&nbs...

Die

PCB Glossary

Dice

Two or more dies.

Dice

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