JPS549798A - Ferromagnetic powder for magnetic recording - Google Patents

Ferromagnetic powder for magnetic recording

Info

Publication number
JPS549798A
JPS549798A JP7499377A JP7499377A JPS549798A JP S549798 A JPS549798 A JP S549798A JP 7499377 A JP7499377 A JP 7499377A JP 7499377 A JP7499377 A JP 7499377A JP S549798 A JPS549798 A JP S549798A
Authority
JP
Japan
Prior art keywords
magnetic recording
ferromagnetic powder
ferromagnetic
powder
recording
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.)
Granted
Application number
JP7499377A
Other languages
Japanese (ja)
Other versions
JPS5853495B2 (en
Inventor
Susumu Kitaoka
Haruo Andou
Jiyunichi Hirata
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell Ltd
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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP52074993A priority Critical patent/JPS5853495B2/en
Priority to GB15201/78A priority patent/GB1603213A/en
Priority to DE19782817410 priority patent/DE2817410A1/en
Priority to FR7811737A priority patent/FR2387912A1/en
Publication of JPS549798A publication Critical patent/JPS549798A/en
Publication of JPS5853495B2 publication Critical patent/JPS5853495B2/en
Priority to US06/858,575 priority patent/US4741921A/en
Priority to US07/141,073 priority patent/US4857417A/en
Expired legal-status Critical Current

Links

JP52074993A 1977-04-20 1977-06-23 magnetic recording medium Expired JPS5853495B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP52074993A JPS5853495B2 (en) 1977-06-23 1977-06-23 magnetic recording medium
GB15201/78A GB1603213A (en) 1977-04-20 1978-04-18 Cobalt containing iron oxide magnetic particles and method for the preparation of the same
DE19782817410 DE2817410A1 (en) 1977-04-20 1978-04-20 MAGNETIC IRON OXYDE PARTICLES CONTAINING COBALT AND METHOD FOR MANUFACTURING THE SAME
FR7811737A FR2387912A1 (en) 1977-04-20 1978-04-20 MAGNETIC PARTICLES OF IRON OXIDE CONTAINING COBALT AND THEIR PREPARATION PROCESS
US06/858,575 US4741921A (en) 1977-04-20 1986-04-24 Method for preparing cobalt-containing iron oxide magnetic particles
US07/141,073 US4857417A (en) 1977-04-20 1988-01-05 Cobalt-containing iron oxide magnetic particles and method for the preparation of the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52074993A JPS5853495B2 (en) 1977-06-23 1977-06-23 magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS549798A true JPS549798A (en) 1979-01-24
JPS5853495B2 JPS5853495B2 (en) 1983-11-29

Family

ID=13563302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52074993A Expired JPS5853495B2 (en) 1977-04-20 1977-06-23 magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5853495B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660594U (en) * 1986-07-31 1994-08-23 ソラリ，フランコ Propulsion system for a ship driven by drawing an air jet into a pair of longitudinal lateral channels in the lower hull

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037667A (en) * 1973-08-07 1975-04-08
JPS5217696A (en) * 1975-08-01 1977-02-09 Fuji Photo Film Co Ltd Manufacturing process of ferromagnetic grit
JPS5275700A (en) * 1975-12-19 1977-06-24 Sony Corp Production of magnetic iron oxide powder including co

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5037667A (en) * 1973-08-07 1975-04-08
JPS5217696A (en) * 1975-08-01 1977-02-09 Fuji Photo Film Co Ltd Manufacturing process of ferromagnetic grit
JPS5275700A (en) * 1975-12-19 1977-06-24 Sony Corp Production of magnetic iron oxide powder including co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660594U (en) * 1986-07-31 1994-08-23 ソラリ，フランコ Propulsion system for a ship driven by drawing an air jet into a pair of longitudinal lateral channels in the lower hull

Also Published As

Publication number Publication date
JPS5853495B2 (en) 1983-11-29

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