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A 1948 advertisement for a Weller soldering gun. Pistol-grip electrically-heated soldering tools had been used since the 1920s. In 1941 Carl E. Weller invented and later obtained U.S. patent 2,405,866 [1] for a transformer-based soldering tool which heated and cooled rapidly, [2] essentially as described in this article.
Few years later, they released to the market a soldering iron on with self-adjusting temperature. In 1951, the company WEN Products began manufacturing its own instantaneous soldering iron. After a three years trial Weller won for patent infringement. [11] In 1960 Weller got the patent for the soldering iron "Magnastat", renewed in 1964 and ...
A 100-watt soldering iron may provide too much heat for printed circuit boards (PCBs), while a 25-watt iron will not provide enough heat for large electrical connectors. Using a tool with too high a temperature can damage sensitive components, but protracted heating by a tool that is too cool or under powered can also cause heat damage.
The split tip of a ColdHeat soldering iron. The first two products were soldering irons powered by alkaline batteries.The manufacturer claims this soldering iron is unique in that its Athalite tip undergoes a temperature change from ambient temperature to approximately 800 °F (427 °C) and back to ambient within three seconds when the tip is removed from the work.
Don Weller (musician) (1940–2020), British tenor saxophonist; Don Weller (painter), American illustrator and painter; Duncan Weller (born 1975), children's book author and visual artist; F. Weller (active 1909), a trader in leather in Rundle Street, Adelaide, South Australia, around 1909; Franz Weller (1901–1944), World War II German Army ...
Both quantitative and qualitative tests for solderability exist. [6] The two most common testing methods are the 'dip and look' method and wetting balance analysis.In both of these tests, the soldered pieces undergo an accelerated aging process before being tested for solderability, to take into consideration the time a component was in storage prior to mounting to final assembly.
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