| 摘要 |
PCT No. PCT/JP97/00884 Sec. 371 Date Mar. 10, 1998 Sec. 102(e) Date Mar. 10, 1998 PCT Filed Mar. 18, 1997 PCT Pub. No. WO97/35331 PCT Pub. Date Sep. 25, 1997A method of the invention for manufacturing a rare earth bonded magnet has the steps of mixing a rare earth magnet powder, binder resin and an additive at a predetermined ratio, kneading the mixture at a temperature not lower than the thermal deformation temperature of the binder resin, granulating or graining the kneaded blend to granules of an average size ranging from 0.01 mm to 2 mm or so, conducting a compacting molding of the granulated material at a first temperature at which the binder resin is softened or molten, and cooling the molded body while keeping the molded body under pressure at least over a period in which the molded body cools down to a second temperature which s below the first temperature, whereby a rare earth bonded magnet is obtained having a low porosity, high dimensional precision and superior magnetic characteristic.
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