Iwashita, Y. Abe, M. Fuwa, Y. Terunuma, N. Yako, T. JACoW Publishing Geneva, Switzerland 2226-0366 978-3-95450-194-6 10.18429/JACoW-LINAC2018-MOPO125 English 264-266 MOPO125 permanent-magnet dipole multipole operation sextupole Contribution to a conference proceedings 2019 2019-01 https://doi.org/10.18429/JACoW-LINAC2018-MOPO125 http://jacow.org/linac2018/papers/mopo125.pdf Dipole magnet using permanent magnet technology is under investigation for correction magnets in beamline. It can reduce cost of electricity of coil excitation and cooling water pump, thick electric cabling and water piping, power supply, and their maintenance cost. The structure and the field adjustment scheme whith bipolar variable range will be discussed.