Prototipos de PCB de forma sencilla

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Surface Finishing

Etching

Etching is commonly used in industries such as electronics components, microfabrication, and semiconductor manufacturing to achieve precise patterning and structural etching.

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Introduction to Etching

Etching
Etching
Description

Laser etching, also called laser engraving or laser marking, is used to create a visible mark on the surface of many substrates, including metal, plastic, stone and glass. The process involves the use of a high-heat laser to modify the surface of the substrate.Electrolytic etching has the same goal as laser etching: to create an aesthetic mark on an object. However, this type of etching can only be done on metal.The first step in chemical etching is to laminate a sheet of metal, or the substrate, with a layer of light-sensitive resist. Once the photoresist is exposed to UV light and a positive image of the product is produced, the masked sheet is exposed to an etching solution. Unmasked areas of the sheet are removed by the etchant, and the masked areas stay protected, creating a part. The photoresist is removed from the finished part, or sheet of parts.

Technical Properties

Applicable Sharp edges and burrs Premium appearance availability Tolerances
Metals Removed Yes Met after surface finish

Example of an Etching Part

Etching
Etching