The Challenge of Rare-Earth Dependency

As the world accelerates its transition toward electric solutions, the dependence on rare-earth elements represents a significant hurdle. Traditionally, magnetic sensors leverage materials such as Neodymium and Samarium Cobalt due to their powerful magnetic properties. However, these rare-earth elements present a range of challenges that are increasingly untenable.

The Supply and Environmental Issues

Firstly, scarcity is a crucial concern. Extracting rare-earth elements is not only expensive, but the supply chain is vulnerable to disruption due to geopolitical factors. A substantial portion of these materials comes from a select few countries, creating a precariously narrow source of supply.

Secondly, the environmental impact of mining and processing rare-earth elements cannot be overlooked. The procedures are fraught with environmental hazards and entail considerable ecological footprints, contributing significantly to pollution.

ams OSRAM's Innovative Approach

In response to these challenges, ams OSRAM introduces an innovative technology that redefines the traditional use of magnetic sensors. Their new position sensor portfolio eliminates the dependency on rare-earth magnets, utilizing more sustainable and abundant resources.

Embracing Ferrite Magnets

Ferrite magnets take center stage in this revolutionary approach. While these magnets are generally weaker than their rare-earth counterparts, they are far more sustainable. Ferrites offer notable advantages: - Cost-effectiveness and abundant availability - Resistance to corrosion and high temperatures - No reliance on rare-earth elements

ams OSRAM enhances the functionality of these ferrite magnets through advanced signal processing, compensating for the lower magnetic strength while maintaining precision.

Differential and Inductive Sensing

Expanding their technological reach, the sensors also utilize differential sensing technology, which cancels out stray magnetic fields, ensuring high precision even when used with weaker magnet sources.

Another breakthrough is the integration of inductive sensing technology. These sensors do not depend on magnets, making them ideal for harsh environments and high-speed applications. Inductive sensors contribute to a versatile product offering capable of adapting to varied industrial needs.

A Step Toward Sustainable Automation

The introduction of these smart sensors positions ams OSRAM as a leader in promoting a more resilient supply chain. By removing rare-earth elements from their sensors, they address both the environmental and geopolitical vulnerabilities associated with traditional sensor technologies.

Tools for Innovation

To encourage widespread adoption, ams OSRAM provides engineers and designers with the POS Simulator Tool. This tool allows for the simulation, optimization, and testing of different sensor and magnet combinations, driving effective design processes and supporting innovative applications.

Conclusion

The move away from rare-earth materials signals a transformative moment in sensor technology. ams OSRAM's commitment to removing these materials reduces environmental impact and supports a greener future for automation and our planet. By choosing more sustainable alternatives, the field of semiconductor IP is on a path not just of progression, but also responsibility.

For a more detailed exploration of this forward-thinking technology, you can access the original article.