| 简介 |
The invention provides a bonded magnet having more excellent rust inhibiting performance than the prior art, and a process for its manufacture. The bonded magnet manufacturing process of the invention is a process for manufacture of a bonded magnet wherein a protective layer is formed on the surface of a bonded magnet body containing a rare earth element, the process comprising a step of contacting the bonded magnet body with a solution containing a phosphate and an acid ion to form a phosphorus-containing protective layer on the surface of the bonded magnet body. |
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