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/

Step 1:

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.

Step 2:

2. After

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

Step 3:

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)

Step 4:

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/

Step 5:

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.

Step 6:

6.

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