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  • Bit - An electroplated copper tip which melts the solder and forms the joint.


  • De-soldering - Removal of solder from the joint, to break the electrical connection, or to replace a faulty component. Also known as rework.


  • Flux - An aggressive chemical, usually contained in the solder wire, which will clean the areas about to be jointed.


  • Pad - A conductive area on a PCB onto which a component leg is soldered.


  • PCB - Printed Circuit Board. A fibre glass board coated with copper onto which an electronic circuit is chemically etched.


  • Solder - An alloy of tin which is used as a filler metal in soldering. Other components include, lead, copper and silver.


  • Soldering - The jointing of two metal surfaces below their melting point, using a filler metal. Used extensively for making electrical connections.


  • Static Safe - Manufactured from materials which will not create or hold a charge of static electricity. Vital when dealing with electronic components which can be damaged by such a charge.


  • Surface Mount - A connection method where the component legs lay flat onto a PCB pad for soldering.


  • Through Hole - A connection method where the component leg is placed into a hole in the PCB for soldering.


  • Tinning - To cover the surfaces to be jointed with solder before jointing, to maximise the strength of the completed joint.


  • Wattage - The amount of heat energy provided by the soldering iron. Physically larger components need higher wattages.


  • Wet - The uniform flow of solder across a surface.
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