SU557411A1 - Method of making magnetic powder for magnetic recording medium - Google Patents

Method of making magnetic powder for magnetic recording medium

Info

Publication number
SU557411A1
SU557411A1 SU2338650A SU2338650A SU557411A1 SU 557411 A1 SU557411 A1 SU 557411A1 SU 2338650 A SU2338650 A SU 2338650A SU 2338650 A SU2338650 A SU 2338650A SU 557411 A1 SU557411 A1 SU 557411A1
Authority
SU
USSR - Soviet Union
Prior art keywords
magnetic powder
magnetic
recording medium
making
dioxide
Prior art date
Application number
SU2338650A
Other languages
Russian (ru)
Inventor
Юрий Антонович Василевский
Авиэтта Петровна Володина
Вячеслав Нестерович Декусар
Игорь Анатольевич Костоньян
Михаил Иванович Руденко
Владимир Федорович Фаловский
Александр Михайлович Гудков
Original Assignee
Предприятие П/Я В-2438
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 Предприятие П/Я В-2438 filed Critical Предприятие П/Я В-2438
Priority to SU2338650A priority Critical patent/SU557411A1/en
Application granted granted Critical
Publication of SU557411A1 publication Critical patent/SU557411A1/en

Links

Landscapes

  • Hard Magnetic Materials (AREA)

Description

(54) СПОСОБ ИЗГОТОВЛЕНИЯ МАГНИТНОГО ПОРОШКА ДЛЯ НОСИТЕЛЯ(54) METHOD OF MANUFACTURING MAGNETIC POWDER FOR MEDIA

МАГНИТНОЙ ЗАПИСИMAGNET RECORDING

шок може7 быть пртменен дл  изготовлени  рабочего слое вькхжочувствительного носи1ел  магнитной запиш.the shock can be applied to make the working layer of a highly sensitive magnetic carrier.

Claims (1)

Формула изобретени Invention Formula Оюсоб иэготс леии  магнитного порошка дл  новйтелв магнитн зшпкм путем термического разложени  ангидрида в присутствии Аюдафицвр)чай1нх добавок окиси теллура, двуокиси опоэа   воды, отличающийс  тем, что, сMagnetic powder of magnetic powder for new magnetic magnitude by thermal decomposition of anhydride in the presence of aluminum syrup, tellurium oxide, opea dioxide dioxide, characterized in that ,целью упрощени  процесса изготовлеш  л.агнитного порошка, термическое разложение хромового ангидрида производ т в посто нном магнитном поле напр женностью 2500-2700 Э при температуре не выше 450° С и при следуницем соотношении компонентов, вес.%:In order to simplify the process of manufacturing a magnetic powder, the thermal decomposition of chromic anhydride is carried out in a constant magnetic field with a strength of 2500-2700 Oe at a temperature not higher than 450 ° C and with the following ratio of components, wt.%: Хромовый ангищжд .94,0-95,0Chromium angischzhd .94,0-95,0 Окись теллура1,0- 2,0Tellurium oxide1.0-2.0 Двуокись олова0,1- 0,2Tin dioxide 0,1 - 0,2 Вода3,0- 4,0Water3.0- 4.0
SU2338650A 1976-03-25 1976-03-25 Method of making magnetic powder for magnetic recording medium SU557411A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2338650A SU557411A1 (en) 1976-03-25 1976-03-25 Method of making magnetic powder for magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2338650A SU557411A1 (en) 1976-03-25 1976-03-25 Method of making magnetic powder for magnetic recording medium

Publications (1)

Publication Number Publication Date
SU557411A1 true SU557411A1 (en) 1977-05-05

Family

ID=20653720

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2338650A SU557411A1 (en) 1976-03-25 1976-03-25 Method of making magnetic powder for magnetic recording medium

Country Status (1)

Country Link
SU (1) SU557411A1 (en)

Similar Documents

Publication Publication Date Title
FR1451260A (en) Magnetic recording process
GB1376260A (en) Magnetic memory unit
SU557411A1 (en) Method of making magnetic powder for magnetic recording medium
US3620841A (en) Process for making continuous magnetite films
JPS57176533A (en) Magnetic recording medium
JPS5247702A (en) Process for producing a recording medium of magnetic iron oxide
US3654163A (en) Cobalt ferrite magnetic powder for tape recording
JPS5322725A (en) Magnetic head and its production
JPS54122103A (en) Magnetic recording medium and production of the same
JPS5374009A (en) Servo information writing apparatus
JPS5752106A (en) Magnetic powder for magnetic recording
JPS5433041A (en) Thermal magnetic recording method
Maccoll et al. Mechanism of the pyrolysis of ethyl bromide. A note on a paper by Friedman, Bernstein, and Gunning
Nishimura et al. Evidence of an inversion mechanism for the thermal cis–trans isomerization of push–pull azobenzenes. A volumetric study
JPS5389706A (en) Magnetic recording medium and its manufacture
JPS5674822A (en) Head shifting device
JPS5312776A (en) Crystallizer
JPS57208630A (en) Vertical magnetic recording medium
JPS5269897A (en) Fabrication of magnetic thin films of iron oxides
JPS5370804A (en) Manufacture of magnetic recording medium
SU496592A1 (en) Magnetic recording media for coiled ring
SU628533A1 (en) Magnetic record carrier working layer binder
JPS5339707A (en) Magnetic recording medium
KURDYUMOV et al. The structure of drawn martensite and the processes of drawing tempered steel
JPS56148715A (en) Production of magnetic head