We have added a page explaining the inner and outer circumferential single-pole magnetization (radial direction magnetization of ring magnets) to our technical page.
We have published a page that explains the principles and features of **inner and outer circumferential single-pole magnetization (radial direction magnetization)** using an example of a magnetizing yoke for inner and outer circumferences, where a ring magnet is magnetized with **N pole on the entire outer circumference / S pole on the entire inner circumference (or reverse polarity)**, along with illustrations.
On this page, we introduce in an easy-to-understand manner:
- The principle of generating a repulsive magnetic field using two coils arranged coaxially
- The mechanism for converting the repulsive magnetic field into an effective magnetic field in the radial direction
- The cross-sectional structure of the magnetizing yoke and the state of the magnet set
- Analysis results of the applied magnetic field using magnetic flux line models and magnetic vector models
- Considerations for the feasibility of magnetization based on dimensional ratios (including permeability coefficients)
This information is presented alongside actual analysis diagrams and production examples.
If you are considering radial direction magnetization of ring magnets or need reference materials for determining the feasibility and design considerations of inner and outer circumferential single-pole magnetization, please take a look.

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We have published an explanation regarding inner and outer circumferential unipolar magnetization (radial direction magnetization of ring magnets).





