Tag Archives: ferrite

Ferrite raw material powder made by spraying pyrolysis method and making method of ferrimagnetics

Application Number  00129582 Application Date  2000.10.08 Publication Number  1291778 Publication Date  2001.04.18 Priority Information   2000/5/23 JP 151019/2000; 1999/10/8 JP 287789/1999   International Classification  C01G49/00;C04B35/40;H01F1/11   Applicant(s) Name  Sumitomo Special Metals Co., Ltd.   Address     Inventor(s) Name  Ota Etsushi   Patent Agency Code  11021 Patent Agent  huang yongkui AbstractProvided is a manufacturing method… Read More »

Spinel ferrite thermal sensitive resistance component with negative temperature coefficient

Application Number  00128888 Application Date  2000.09.28 Publication Number  1326198 Publication Date  2001.12.12 Priority Information   2000/5/25 KR 28304/00   International Classification  H01C7/04   Applicant(s) Name  Ryool Teup Lyong Co., Ltd.   Address     Inventor(s) Name  Ri Jong-Guk;Yang Gwang-Sop;Wang Yongsong   Patent Agency Code  11105 Patent Agent  yang wu AbstractA negative temperature coefficient thermistor is… Read More »

Magnetic ferrite composition and its production method

Application Number  00128593 Application Date  2000.09.19 Publication Number  1293169 Publication Date  2001.05.02 Priority Information   1999/9/20 JP 264775/99   International Classification  C04B35/26;C04B35/64   Applicant(s) Name  TDK Corp.   Address     Inventor(s) Name  Aoki Takuya;Nomura Takeshi   Patent Agency Code  72001 Patent Agent  lu xinhua AbstractA magnetic ferrite composition including at least one of Mg,… Read More »

Rotary kiln for preparing high-grade ferrite micropowder

Application Number: 00119114Application Date: 2000.06.16Publication Number: 1330258Publication Date: 2002.01.09Priority Information: International: C01G49/02;F27B7/00Applicant(s) Name: Li GuohaiAddress: Inventor(s) Name: Li Guohai;Zhang RenguiPatent Agency Code: 00000Patent Agent: Abstract A rotary kiln for preparing high-grade ferrite micropowder is disclosed. Its concentric cylindrical rotary kiln made up of refractory stainless steel is supported by 4 carrier rollers at both ends.… Read More »

Powder for making magnetic ferrite, magnetic ferrite, multilayer ferrite element and its making method

Application Number: 00120669Application Date: 2000.12.16Publication Number: 1303111Publication Date: 2001.07.11Priority Information: 1999/12/16 JP 358139/99; 1999/12/16 JP 358140/99; 1999/12/16 JP 358141/99International: C04B35/26;H01F1/10;H01F1/34;H01F17/04Applicant(s) Name: TDK Corp.Address: Inventor(s) Name: Nakano Atsuyuki;Nakahata IsaoPatent Agency Code: 72001Patent Agent: lu xinhuaAbstract A multilayer ferrite component is produced with powder for magnetic ferrite, characterized by having the composition of Fe2O3: 40 to 51… Read More »

Heterogeneous low-carbon air-cooled granular bainite/crystalloid ferrite steel

Application Number: 00124468Application Date: 2000.09.08Publication Number: 1288971Publication Date: 2001.03.28Priority Information: International: C22C38/04;C22C38/38Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Fang Hongsheng;Xu Pingguang;Bai BingzhePatent Agency Code: 11201Patent Agent: liao yuanqiuAbstract The present invention belongs to the field of alloy steel design technology, its composition is formed from (wt%) C 0.06-0.15 wt%, Mn 1.90-2.60 wt% and Si 0,60-1.50 wt%… Read More »

Magnetic ferrite material and mfg. Method thereof

Application Number: 00126065Application Date: 2000.08.28Publication Number: 1286237Publication Date: 2001.03.07Priority Information: 1999/8/26 JP 239468/99International: C04B35/26;H01F1/34Applicant(s) Name: TDK Corp.Address: Inventor(s) Name: Saita Shinobu;Kuroda Tomoshi;Sato NaoyoshiPatent Agency Code: 72001Patent Agent: lu xinhuaAbstract There is disclosed a magnetic ferrite material obtained by calcining a raw material, forming a calcined powder into a desired shape and sintering to contain Fe2O3,… Read More »

Mn-Zn based ferrite

Application Number: 00126316Application Date: 2000.08.30Publication Number: 1286238Publication Date: 2001.03.07Priority Information: 1999/8/30 JP 242747/99International: C04B35/26;H01F1/34Applicant(s) Name: TDK Corp.Address: Inventor(s) Name: Takagawa Kenya;Yasuhara KatsushiPatent Agency Code: 72001Patent Agent: pang lizhiAbstract MnZn ferrite comprises a main component comprising iron oxide 52.5 to 54.0 mol % in terms of Fe2O3, zinc oxide 7.7 to 10.8 mol % in terms… Read More »

Ferrite stainless steel for building external decoration with good toughness and ductility of welding position and its producing method

Application Number: 00104354Application Date: 2000.03.16Publication Number: 1314499Publication Date: 2001.09.26Priority Information: International: C22C38/28Applicant(s) Name: Pohang Iron & Steel Co., Ltd.Address: Inventor(s) Name: Kim Hi-Sana;Lee Yong-Deuk;Kim Yong-DaePatent Agency Code: 11105Patent Agent: zhang bengyuanAbstract The ferrite stainless steel contains C less than 0.015 wt%, N less than 0.02 wt%, Si less than 0.5 wt%, Mn less than 0.5… Read More »

Method for producing soft magnetic ferrite powder, and method for making laminated chip inducer

Application Number: 00103757Application Date: 2000.03.09Publication Number: 1268755Publication Date: 2000.10.04Priority Information: 1999/3/9 JP 061869/1999International: B22F3/00;B22F9/00;H01F1/36;H01F41/02Applicant(s) Name: TDK K. K.Address: Inventor(s) Name: Harada HiroshiPatent Agency Code: 11038Patent Agent: gui yongliangAbstract Provided are a method for preparing an Ni-Cu-Zn ferrite powder having excellent sinterability at a lower temperature, and a method for producing a laminated chip inductor from… Read More »