1. Nippon Bunri University,Oita,Japan,870-0397
2. Vector Magnetic Characteristic Technical Laboratory,Oita,Japan,879-0442
3. National Institute of Technology, Oita College,Oita,Japan,870-0152
4. Ibaraki University,Ibaraki,Japan,316-8511
5. Nippon Kinzoku Co. Ltd.,Tokyo,Japan,174-8560