在维修电子设备时,拆换损坏的电子元器件时,线路板上剩余焊锡很容易堵住板上焊脚插孔,如不清除或清除不干净,很难装焊上新的电子元器件,且稍不小心很容易把焊盘铜箔弄起浮甚至损坏。本人以前常用牙签之类的尖物配合电烙铁“通孔”,但效果都不太理想。后来,经多次实践发现,把电烙铁在焊脚插孔(铜箔 In the maintenance of electronic equipment, the replacement of damaged electronic components, the remaining solder circuit board is very easy to plug the foot pad on the board, if not clean or remove dirty, it is difficult to install welding new electronic components, And some careless it is easy to float pad copper foil or even damaged. I used to use toothpicks and other sharp objects with electric iron “through hole”, but the effect is not very satisfactory. Later, after many times found that the electric soldering iron in the fillet jack (copper foil