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Cars > tingyuya’s Garage > Blog > Custom printed circuit board manufacturing process


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Abernant, Alabama
United States



Custom printed circuit board manufacturing process

By tingyuya

??Custom printed circuit board manufacturing process
??Process system board: board size -- copy - dressing around borehole location - adhesive - corrosion - Cleaning - to - fine sandpaper to wipe the light - adhesive coated pine perfume.
1 the first meets the size requirements of the copper complex surface with fine sandpaper to wipe the light, then the paper will be copied to the complex copper wiring diagram. circuit board manufacturing companies

??2 with a diameter of 1.0mm drill bit, positioning, and then glue ( or paint ).
??3 finished paste glue, should be on the board to put a thick piece, press on with the palm of the hand, its purpose is to make all the glue and paste more reliable copper complex. When necessary, can also be used hair dryer heating, can use the right glue viscosity enhancement, due to the use of the adhesive with good adhesive, and adhesive tape and thin, so the adhesive to the system board, effect is good, generally is not required for heat treatment.
??4 corrosion generally using ferric chloride as corrosive liquid, concentration of corrosion rate and corrosion fluid, take jitter on temperature and corrosion process, to ensure the system board quality and increased the corrosion rate, can use the method of jitter and heating.
??5 after the completion of the application of corrosion, water rinse clean, and the tape is removed, the printing plate dry.
??6 with fine emery cloth will be printing plate complex copper face to the light so far, then immediately apply rosin solution. ( PAINTED PINE perfume should be printed circuit board inclined put Xuan then coated with pine, so as not to loose perfume by drilling to flow back).
??Note appended.
( 1 ) pine perfume is the role of anti - oxidation, solder and solder joints increase brightness; rosin solution is prepared by using rosin powder with alcohol or water, according to a certain proportion into, its concentrati
on should be moderate, with a certain viscosity can sense.
( 2 ) the ferric chloride solution has a bad effect on the human skin is not, but three chlorinated if get clothes or on the ground, that is difficult to wash, so when in use must be very careful.
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Cars > tingyuya’s Garage > Blog > Custom printed circuit board manufacturing process

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