Magnets play an essential role in modern technology, with applications spanning from everyday household items to sophisticated industrial machinery. Among the various types of magnets, ferrite magnets stand out for their widespread use due to their cost-effectiveness, chemical stability, and reliable magnetic performance. Within this category, ferrite ring shape magnets have specific characteristics and performance advantages that make them suitable for many applications.

Ferrite magnets, also known as ceramic magnets, are composed mainly of iron oxide combined with other metallic elements such as barium or strontium. Their magnetic properties arise from the ferrimagnetism of these compounds, providing moderate magnetic strength along with excellent resistance to demagnetization and corrosion.

Ferrite magnets are typically hard and brittle but can be formed into various shapes through a process involving pressing powdered material and sintering at high temperatures. This manufacturing flexibility allows the creation of diverse geometries, including the ring shape, which offers unique advantages.

Ferrite ring magnets are essentially doughnut-shaped, with a central hole and uniform thickness around the circumference. This ring geometry enables specific magnetic field patterns that are useful in various electromagnetic applications.

The inner diameter, outer diameter, and thickness of the ring can be precisely controlled during manufacturing, allowing customization to meet design requirements. This versatility in size makes ring magnets adaptable to various assemblies where space constraints and magnetic field orientation are critical.

https://www.mlmagnet.com/product/ferrite-permanent-magnets/ferrite-ring-shape-magnets/

Perforated ferrite permanent magnets are widely used in Microwave， Antenna， Electronics, and Communication industries. The perforated ferrite permanent magnet features a high permeability and high coercivity. Their main features include small size, lightweight, superior performance characteristics, and suitability for several application areas.