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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-M

by Licky Li
Multiple-image Production Master A production master used in the process of making two or more printed boars simultaneously. Multimeter A portable ...
Posted in PCB, PCB design, PCB fabrication, pcba

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-L

by Licky Li
Logic diagram A drawing that depicts the multi-state device implementation of logic functions with logic symbols and supplementary notations, showi...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-K

by Licky Li
Keyway A slot used to assure the correct location in a mating connector. Keying Slot or Polarizing Slot A slot in a printed circuit board that pola...
Posted in PCB, PCB design, PCB fabrication, pcba

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-J

by Licky Li
Just-in-time(JIT) Minimization of inventory by supplying material and components to the production line directly before placement into the product....
Posted in PCB, PCB design, PCB fabrication, pcba

Printed Circuit Boards Glossary:Design,Fabrication and Assembly-I

by Licky Li
Isolation The clearance around a pad, track, zone or via that defines the nearest approach allowed by conductors of another signal set. IPC The Ins...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-H

by Licky Li
Hygroscopic The ability of a material to absorb and retain moisture from the air. Hot Zone The section of a re-flow oven held at maximum temperatur...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-G

by Licky Li
Gull Wing Lead A surface mounted device lead which flares outward from the device body.  Guided Probe Method A technique for volume production of P...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-F

by Licky Li
Fused Coating A metallic coating, usually tin or solder alluvia, which has been melted and solidified forming a metallurgical bond to the base mate...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-E

by Licky Li
Eyelet A hollow tube inserted in a terminal or printed board to provide mechanical support for component leads or electrical connection. Extraneous...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-D

by Licky Li
Durometer A measurement of the hardness of a non-metal such as rubber, plastic, etc. Also the instrument for such measurement. Dummy Component A me...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-C

by Licky Li
Class Transition Temperature TG-value, temperature at which resin ceases to act as a solid, Till this temperature, no separation will take place be...
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Printed Circuit Boards Glossary:Design,Fabrication and Assembly-B

by Licky Li
Bypass Capacitor  A capacitor which provides a comparatively low impedance ac (alternating current ) around a circuit element. Bus A heavy trace or...
Posted in PCB, PCB design, PCB fabrication