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Home> Industry Information> Chemical Metal Etching and Today’s Innovative Technologies - Encoder Disks

Chemical Metal Etching and Today’s Innovative Technologies - Encoder Disks

September 05, 2022

As we move further into the 21st century, technology continues to explode. Several industries, in particular, are expected to see significant advances in the coming years, thanks to new and emerging technologies such as green hydrogen fuel cell technology, automation, and telemedicine.

 

The energy, e-mobility, industrial manufacturing, and medical device industries are using this new technology to satisfy growing environmental concerns as well as consumer trends. All of these industries are expected to experience continued growth and so will the quest to find quality, cost-effective components to power their systems.

 

With such a wide range of potential uses, it’s no wonder chemical metal etching is becoming more and more popular among manufacturers. This blog post will explore some industrial applications derived from this new technology that benefit from metal etching.

 

Photo chemical etching (PCE) is a metal fabrication process using digital tooling, photoresist film, UV light, and acid to dissolve portions of unwanted metal on parts. It has been used in circuit boards and other precision metal parts for many years, including EMI shielding, lead frames, screens, and electrical contacts and terminals. This technology has been renewed interest due to its potential to manufacture emerging technologies using fuel cell plates, Encoder Parts, and other micro components for smaller connected devices.

Metal Etching Encoder Disks

Light is often the mode of detection in many of these device systems. Encoder disks are made of metals such as steel and copper alloys. They are circular and varying sizes with many evenly spaced indentations or holes that allow light to pass through. The disks rotate where changes in light intensity are measured and used to calculate the position of the encoder.

 

The manufacture of encoder disks is critical to the proper functioning of these devices because they require extreme accuracy. In many cases, the size and complexity of sensors are limited by the available manufacturing technologies.

 

One of the biggest challenges facing industries in producing encoder disks is to reduce costs while maintaining performance.

 

Metal etching is the perfect solution for this challenge. Etching is a precision process free from burrs and mechanical stress. This type of accuracy can mean the difference between life or death in autonomous vehicles or medical imaging detection. There is no room for error in these types of systems. The cost per part is the same with chemical etching, whether a piece has one hole, slot, or hundreds.

From ADVANCED METAL ETCHING

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