2020年05月14日
Stranded copper wire and integrated circuit
Dismantling integrated circuits with multiple strands of copper wire
Remove the plastic sheath of the multi-strand copper core wire, place the wire in rosin and heat it with an electric soldering iron, so that the wire is stained with rosin. put multiple strands of copper core wire on the pins of the integrated block and heat them with an electric soldering iron, so that the solder on the pins will be absorbed by the copper wire stained with rosin. Suck all the solder on the pins of the integrated circuit, and then gently pry off the integrated circuit with tweezers or a small flat-blade screwdriver.
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Adding lead solder melting disassembly, this disassembly method does not require the use of other tool materials, and is particularly suitable for dismantling single-row or double-row ICs with a small number of pins.
The operation process of disassembling the integrated circuit by adding pin solder to melt is as follows: during disassembly, first add some solder to a row of pins of the integrated circuit, let the solder connect all the solder joints of the row of pins, and then heat it with an electric soldering iron Move the middle pins of the column to both ends, use the heat conduction of the solder to melt the solder on all the pins of the column, and then use tweezers or a small flat-blade screwdriver to deflect the IC slightly to the position of the column. Then use the same method to heat and pry the other row of pins, and alternately heat the two rows of pins until they are removed. Under normal circumstances, each column of pins can be removed by heating twice.
The hot air desoldering station or hot air gun is used for disassembly. The hot air desoldering station or hot air gun has a nozzle that can eject hot air with a temperature of several Baidu. The hot air is used to melt the solder on each pin of the integrated circuit, and then the integration can be removed Circuit.
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