Solder resist film removal method and solder resist film removal solution
A film-removing and solder-resisting technology, which is applied in the manufacture of printed circuits, electrical components, printed circuits, etc., can solve problems such as poor quality, inability to meet the requirements of film-removing heavy work, and low efficiency, so as to improve quality, shorten backwashing time, The effect of process simplification
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[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0042] A method for removing a solder resist film, carried out according to the following steps:
[0043] Step 1, prepare the bad board to be unfilmed;
[0044] Step 2, install the defective board into the socket;
[0045] Step 3, equip the solder mask stripping potion in the potion tank without an ultrasonic device, and set the temperature of the solder resist stripping potion (the temperature of the solder resist stripping potion is 75-85°C.);
[0046] Step 4, put the bad board and the socket into the liquid medicine tank, and soak...
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