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2. Desoldering - Wikipedia

   en.wikipedia.org/wiki/Desoldering

   Solder wick on a reel. Desoldering braid, also known as desoldering wick or solder wick, is finely braided 18 to 42 AWG copper wire coated with rosin flux, usually supplied on a roll. Solder wick, before use... and soaked with solder and residue. The end of a length of braid is placed over the soldered connections of a component being removed.

3. Rework (electronics) - Wikipedia

   en.wikipedia.org/wiki/Rework_(electronics)

   Reballing involves dismantling, heating the chip until it can be removed from the board, typically with a hot-air gun and vacuum pickup tool, removing the device, removing solder remaining on the device and board, putting new solder balls in place, replacing the original device if there was a poor connection, or using a new one, and heating the ...

4. List of electronic component packaging types - Wikipedia

   en.wikipedia.org/wiki/List_of_electronic...

   Column grid array (CGA): A circuit package in which the input and output points are high-temperature solder cylinders or columns arranged in a grid pattern. Ceramic column grid array (CCGA): A circuit package in which the input and output points are high-temperature solder cylinders or columns arranged in a grid pattern. The body of the ...

5. Solder mask - Wikipedia

   en.wikipedia.org/wiki/Solder_mask

   A solder bridge is an unintended electrical connection between two conductors by means of a small blob of solder. PCBs use solder masks to prevent this from happening. Solder mask is not always used for hand soldered assemblies, but is essential for mass-produced boards that are soldered automatically using reflow or wave soldering

6. Tin-silver-copper - Wikipedia

   en.wikipedia.org/wiki/Tin-silver-copper

   Tin-silver-copper (Sn-Ag-Cu, also known as SAC), is a lead-free alloy commonly used for electronic solder.It is the main choice for lead-free surface-mount technology (SMT) assembly in the industry, [1] as it is near eutectic, with adequate thermal fatigue properties, strength, and wettability. [2]

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