Tag Archives: rareearth

Rareearth doped modified barium carbonate current rheological liquid and preparation process thereof

Application Number: 00113930Application Date: 2000.09.25Publication Number: 1345919Publication Date: 2002.04.24Priority Information: International: C10M113/08Applicant(s) Name: Xibei Polytechnical Univ.Address: Inventor(s) Name: Zhao Xiaopeng;Yin JianboPatent Agency Code: 00000Patent Agent: Abstract The present invention provides a current transformed liquid material and its preparation method, in particular, it relates to a kind of doped rare earth modified barium titanate anhydrous current… Read More »

Method for producing permanent magnet based on rareearth metal having corrosion resistant film

Application Number: 00126407Application Date: 2000.08.30Publication Number: 1286483Publication Date: 2001.03.07Priority Information: 2000/8/7 JP 238587/2000; 1999/8/30 JP 243473/1999International: H01F41/02;H01F7/02Applicant(s) Name: Sumitomo Special Metal Co., Ltd.Address: Inventor(s) Name: Nishiuchi Takeji;Kikukawa Atsushi;Kikui FumiakiPatent Agency Code: 11038Patent Agent: long chuangongAbstract The present invention provides a process for producing a rare earth metal-based permanent magnet having, on its surface, a corrosion-resistant… Read More »

Sintering box for rareearth magnet sintering and method for making rareearth magnet sintered and processed by said box

Application Number: 00103012Application Date: 2000.02.25Publication Number: 1265947Publication Date: 2000.09.13Priority Information: 1999/3/3 JP 55247/1999International: B22F3/00;H01F1/053Applicant(s) Name: Sumitomo Special Metals Co., Ltd.Address: Inventor(s) Name: Ota Akiyasu;Nigita Katashi;Okayama KokkiPatent Agency Code: 11021Patent Agent: huang yongkuiAbstract A case according to the present invention is used in a sintering process to produce a rare-earth magnet. The case includes: a body… Read More »

Hydrogen crushing device for rareearth magnetic material and manufacture of its powder and magnet using sush device

Application Number: 00100874Application Date: 2000.02.17Publication Number: 1267065Publication Date: 2000.09.20Priority Information: 1999/2/19 JP 41341/99International: B22F9/04;H01F1/06;H01F41/02Applicant(s) Name: Sumitomo Special Metal Co., Ltd.Address: Inventor(s) Name: Ota Akiyasu;Senmoto Akihito;Okayama KokkiPatent Agency Code: 11021Patent Agent: wang huiminAbstract To prevent the oxidation of a material, while safely and efficiently performing a hydrogenation granulating treatment stage for a rare-earth magnetic material and… Read More »