JPH0371378B2 - - Google Patents

Info

Publication number
JPH0371378B2
JPH0371378B2 JP59136341A JP13634184A JPH0371378B2 JP H0371378 B2 JPH0371378 B2 JP H0371378B2 JP 59136341 A JP59136341 A JP 59136341A JP 13634184 A JP13634184 A JP 13634184A JP H0371378 B2 JPH0371378 B2 JP H0371378B2
Authority
JP
Japan
Prior art keywords
particles
spindle
shaped
doped
iron oxide
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
JP59136341A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117425A (ja
Inventor
Atsushi Takedoi
Hiroyuki Kondo
Masaru Isoai
Hiroshi Tsunoda
Yoshitaka Yoshinaga
Yoshiro Okuda
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.)
Toda Kogyo Corp
Original Assignee
Toda Kogyo Corp
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 Toda Kogyo Corp filed Critical Toda Kogyo Corp
Priority to JP59136341A priority Critical patent/JPS6117425A/ja
Priority to DE8585302834T priority patent/DE3573039D1/de
Priority to EP85302834A priority patent/EP0160496B1/en
Publication of JPS6117425A publication Critical patent/JPS6117425A/ja
Priority to US07/039,775 priority patent/US4873010A/en
Publication of JPH0371378B2 publication Critical patent/JPH0371378B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
JP59136341A 1984-04-28 1984-06-30 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 Granted JPS6117425A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59136341A JPS6117425A (ja) 1984-06-30 1984-06-30 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法
DE8585302834T DE3573039D1 (en) 1984-04-28 1985-04-23 Magnetic iron oxide particles
EP85302834A EP0160496B1 (en) 1984-04-28 1985-04-23 Magnetic iron oxide particles
US07/039,775 US4873010A (en) 1984-04-28 1987-04-15 Spindle-like magnetic iron oxide particles and process for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59136341A JPS6117425A (ja) 1984-06-30 1984-06-30 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法

Publications (2)

Publication Number Publication Date
JPS6117425A JPS6117425A (ja) 1986-01-25
JPH0371378B2 true JPH0371378B2 (cs) 1991-11-13

Family

ID=15172935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59136341A Granted JPS6117425A (ja) 1984-04-28 1984-06-30 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法

Country Status (1)

Country Link
JP (1) JPS6117425A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202550A (en) * 1986-10-23 1993-04-13 Skidata Computer Gesellschaft M.B.H. Device for machine communication in data transmission

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60170906A (ja) * 1984-02-16 1985-09-04 Kanto Denka Kogyo Kk Ｃｏ分を含む紡錘状γ−Ｆｅ↓２Ｏ↓３磁性粉及びその製造方法

Also Published As

Publication number Publication date
JPS6117425A (ja) 1986-01-25

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees