Alternative to Soldering 0402 SMD LEDs
This video provides an alternative method to soldering or wiring low voltage, small electronic parts like 0603 or 0402 LEDs. Conductive glues or adhesives (called liquid solder by old-timers) can be used instead of heat soldering. Some criticize the use of conductive glue as opposed to soldering as if their use is an immature approach or only used when soldering skills are lacking. However, conductive glues are tools of sort, and like all tools, conductive glues have their own place.
Conductive glues are an acceptable method to make conductive connections in situations where heat is not appreciated nor tolerable such as near plastics, detriment to wire sheathing and/or other heat sensitive materials.
The manufacture of conductive adhesives is a billion dollar industry, involving numerous chemically based conductive compounds. Some of the most highly conductive compounds are extremely expensive such as aluminum epoxy, nickel epoxy, silver epoxy, up to gold epoxy.
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