JPH0545529B2 - - Google Patents

Info

Publication number
JPH0545529B2
JPH0545529B2 JP61150733A JP15073386A JPH0545529B2 JP H0545529 B2 JPH0545529 B2 JP H0545529B2 JP 61150733 A JP61150733 A JP 61150733A JP 15073386 A JP15073386 A JP 15073386A JP H0545529 B2 JPH0545529 B2 JP H0545529B2
Authority
JP
Japan
Prior art keywords
cobalt
iron oxide
coercive force
acicular
surface area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP61150733A
Other languages
English (en)
Japanese (ja)
Other versions
JPS638224A (ja
Inventor
Kunio Takahashi
Takahito Tsugaru
Koji Shibuya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Showa Denko KK filed Critical Showa Denko KK
Priority to JP61150733A priority Critical patent/JPS638224A/ja
Publication of JPS638224A publication Critical patent/JPS638224A/ja
Publication of JPH0545529B2 publication Critical patent/JPH0545529B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP61150733A 1986-06-27 1986-06-27 磁気記録用強磁性粉末の製造方法 Granted JPS638224A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61150733A JPS638224A (ja) 1986-06-27 1986-06-27 磁気記録用強磁性粉末の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61150733A JPS638224A (ja) 1986-06-27 1986-06-27 磁気記録用強磁性粉末の製造方法

Publications (2)

Publication Number Publication Date
JPS638224A JPS638224A (ja) 1988-01-14
JPH0545529B2 true JPH0545529B2 (enrdf_load_stackoverflow) 1993-07-09

Family

ID=15503224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61150733A Granted JPS638224A (ja) 1986-06-27 1986-06-27 磁気記録用強磁性粉末の製造方法

Country Status (1)

Country Link
JP (1) JPS638224A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4680396B2 (ja) * 2001-01-25 2011-05-11 本田技研工業株式会社 オーバーヘッドコンベアにおけるレール清掃装置
KR100490668B1 (ko) * 2002-11-29 2005-05-24 (주)창성 습식환원법에 의한 극미세 은분말의 제조방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324638A (en) * 1976-08-20 1978-03-07 Mitsubishi Heavy Ind Ltd Stablilizing burner

Also Published As

Publication number Publication date
JPS638224A (ja) 1988-01-14

Similar Documents

Publication Publication Date Title
US4296149A (en) Manufacture of acicular cobalt-containing magnetic iron oxide
US3720618A (en) Method of producing a powder of cobalt-containing needle-like shaped gamma-ferric oxide particles as magnetic recording material
JPS62183025A (ja) 磁気的信号記録用テ−プ
US4741921A (en) Method for preparing cobalt-containing iron oxide magnetic particles
US4059716A (en) Manufacture of gamma-iron(III) oxide
JPH0545529B2 (enrdf_load_stackoverflow)
JPH0317774B2 (enrdf_load_stackoverflow)
JPS6114642B2 (enrdf_load_stackoverflow)
KR890003881B1 (ko) 코발트 및 제 1 철 함유 강자성 산화철의 제조방법
US4495164A (en) Process for producing acicular magnetite or acicular maghemite
JPH0351660B2 (enrdf_load_stackoverflow)
KR0169491B1 (ko) 침상의 강자성 산화철분말, 침상의 자성 산화철분말 및, 이들의 제조방법
JPS6135135B2 (enrdf_load_stackoverflow)
EP0604849B1 (en) Cobalt-containing magnetic iron oxide and process for producing the same
JPS6242858B2 (enrdf_load_stackoverflow)
JPS638222A (ja) 磁気記録用磁性粉末の製造方法
JP3020374B2 (ja) コバルト含有磁性酸化鉄粉末の製造方法
JPH0471012B2 (enrdf_load_stackoverflow)
JPS6018609B2 (ja) 強磁性粉末およびその製造方法
JP2945458B2 (ja) 針状強磁性酸化鉄粉末及びその製造方法
JP3087808B2 (ja) 磁気記録用磁性粒子粉末の製造法
JPS6187302A (ja) 磁気記録媒体の製法
JPH0120201B2 (enrdf_load_stackoverflow)
JPS58161703A (ja) 強磁性粉末の製造方法
JP2970699B2 (ja) 針状磁性酸化鉄粒子粉末の製造法