Design. Engineering. Value. Interest. Creativity. Encyclopedia.

About D.E.V.I.C.E.
This section of the encyclopedia provides information on technologies, materials and solutions for repairs of electronic components and PCBs, as well as hand soldering equipment.

Soldering (process)
Soldering is a process in which two or more metal items are joined together by melting a filler metal into the joint.

Solder

Solder is metal alloy usually made of tin and lead which is melted using a hot iron. The iron is heated to temperatures above 600 degrees Fahrenheit which then cools to create a strong electrical bond.

On July 1, 2006, a directive was adopted restricting the inclusion of lead in most consumer electronics sold in the EU, and having a broad effect on consumer electronics sold worldwide. In the US, manufacturers may receive tax benefits by reducing the use of lead-based solder. Lead-free solders in commercial use may contain tin, copper, silver, bismuth, indium, zinc, antimony, and traces of other metals.

Solder paste works as an adhesive, connecting surface components to pads on the board. It also provides electrical and thermal connection.

Flux

Flux is used in both manual hand soldering as well as the different automated processes used by PCB contract manufacturers. The main purpose of the flux is to prepare the metal surfaces for soldering by cleaning and removing any oxides and impurities.


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