Laser-ironing method for the manufacture of printed circuit boards. Encyclopedia of radio electronics and electrical engineering
Encyclopedia of radio electronics and electrical engineering / Ham Radio Technologies
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First of all, let's print out the outlines of the board and make another copy of one of the layers. We immediately sign the layers of TOP and BOTTON boards on the printouts. Otherwise, then you simply won’t understand which layer needs to be printed on which blank.
Files for printing gabarit TOP.pdf 1 pc and gabarit BOTTON.pdf 2 pcs.
View of one of the layers when printing the circuit board
Take one copy of the bottom layer path and cut along the path. In the future, we will mark the textolite and transfer paper along this contour.
Cut out the blank according to the markup from textolite
The next step is to prepare the translation of the printed circuit board drawing. For translation, we will use the pages of glossy magazines free from drawings. Texting is allowed. The paper should not be waterproof, this is easy to check by dropping onto the page. It must immediately change its qualitative properties. To find a suitable place, use the cut out outline of the PCB. It is important to set the margins on the sides, especially in the horizontal plane, with a large margin.
Cutout for translation
After you have done all of the above, take the previously printed outlines of the board layers. Stick the paper as shown below.
We wait until the glue dries and print the plata TOP.pdf files on the TOP blank and plata BOTTON.pdf on the BOTTON layer. The end result should look like the picture below.
After printing, it is necessary to separate the polish from plain paper. This must be done carefully without affecting the usable area of the drawing and causing a minimum of damage to the workpiece.
Next, on the light, you need to combine 2 layers. It is better to take the holes of vias as a reference point for alignment.
As everything coincided, it is necessary to glue this case on the sides
Then place a textolite blank between the blanks and center
After this "boutique" we settle it in paper and start ironing.
After ironing, we wait until it cools down, separate the outer paper and put the board together with the polish in water for 5 minutes. Then the loshchenka is easily separated. And as a result - we get boards ready for etching.
Publication: cxem.net
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