Experiment on Engraving Conductive Tracks on a Copper Foil Coated Textolite Plate With a Diode Laser (Endurance 10 Watt DPSS Laser Nd: YAG, 1064 Nm, F = 20mm).

A task:

Create the most accurate pattern of printed tracks on the textolite plate. Etch the board in ferric chloride. Installations suitable for this process are presented on the website: https://endurancelasers.com/engraving_and_marking_of_manufactures/

1. A copper-coated textolite plate (hereinafter referred to as a workpiece) is degreased with a solvent, after which it is covered with a thin layer of paint on the metal side.

2. After

the paint has dried, the workpiece is placed on the laser working table and fixed with tape.

3. The

prepared image of the tracks is inverted into negative (the tracks in the image should be white, the processed areas should be black)

4.

Launching the laser. Operating mode: speed 800 mm / min, 30% power, 1 pass. In this mode, the laser removes a layer of paint on those areas of copper that need to be removed. Information about the laser itself can be found here:https://endurancelasers.com/an-endurance-brand-new-fiber-marking-module-for-metal-engraving/

5. After

laser processing, the workpiece is placed in a previously prepared ferric chloride solution. The workpiece should be placed with the treated surface down.

6.

Etching in ferric chloride can take from 20 minutes to an hour. In our case, the process took 40 minutes.