JPS63845B2 - - Google Patents

Info

Publication number: JPS63845B2
Authority: JP; Japan
Prior art keywords: layer; film; substrate; polymer molded; molded substrate
Prior art date: 1980-10-31
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

Application number

JP55154255A

Other languages

English (en)

Japanese (ja)

Other versions

JPS5778628A (en

Inventor

Koichi Shinohara

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial Co 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.)

1980-10-31

Filing date

1980-10-31

Publication date

1988-01-08

1980-10-31 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1980-10-31 Priority to JP55154255A priority Critical patent/JPS5778628A/ja

1982-05-17 Publication of JPS5778628A publication Critical patent/JPS5778628A/ja

1988-01-08 Publication of JPS63845B2 publication Critical patent/JPS63845B2/ja

Status Granted legal-status Critical Current

Links

239000000758 substrate Substances 0.000 claims description 16
229920000642 polymer Polymers 0.000 claims description 12
229910045601 alloy Inorganic materials 0.000 claims description 8
239000000956 alloy Substances 0.000 claims description 8
238000010438 heat treatment Methods 0.000 claims description 8
238000004519 manufacturing process Methods 0.000 claims description 8
230000005415 magnetization Effects 0.000 claims description 5
238000004080 punching Methods 0.000 claims description 3
230000009477 glass transition Effects 0.000 claims description 2
239000000463 material Substances 0.000 claims description 2
229920000307 polymer substrate Polymers 0.000 claims description 2
239000010408 film Substances 0.000 description 20
238000000034 method Methods 0.000 description 11
229910001030 Iron–nickel alloy Inorganic materials 0.000 description 10
239000002184 metal Substances 0.000 description 5
238000004544 sputter deposition Methods 0.000 description 5
239000010409 thin film Substances 0.000 description 5
239000007789 gas Substances 0.000 description 4
230000008569 process Effects 0.000 description 4
229910052786 argon Inorganic materials 0.000 description 3
239000002131 composite material Substances 0.000 description 3
229910052760 oxygen Inorganic materials 0.000 description 3
229910000889 permalloy Inorganic materials 0.000 description 3
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
229910000599 Cr alloy Inorganic materials 0.000 description 2
239000004952 Polyamide Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000005566 electron beam evaporation Methods 0.000 description 2
238000005268 plasma chemical vapour deposition Methods 0.000 description 2
229920002647 polyamide Polymers 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
229920001721 polyimide Polymers 0.000 description 2
238000012545 processing Methods 0.000 description 2
238000004804 winding Methods 0.000 description 2
229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
239000004642 Polyimide Substances 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000008859 change Effects 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000002826 coolant Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000013021 overheating Methods 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
238000005240 physical vapour deposition Methods 0.000 description 1
-1 polyethylene terephthalate Polymers 0.000 description 1
229920000139 polyethylene terephthalate Polymers 0.000 description 1
239000005020 polyethylene terephthalate Substances 0.000 description 1
229920006254 polymer film Polymers 0.000 description 1
238000002203 pretreatment Methods 0.000 description 1
230000002250 progressing effect Effects 0.000 description 1
238000011160 research Methods 0.000 description 1
238000005096 rolling process Methods 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000012360 testing method Methods 0.000 description 1

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
- G11B5/672—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements

Landscapes

Magnetic Record Carriers (AREA)
Manufacturing Of Magnetic Record Carriers (AREA)

JP55154255A 1980-10-31 1980-10-31 Manufacture of magnetic recording medium Granted JPS5778628A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP55154255A JPS5778628A (en)	1980-10-31	1980-10-31	Manufacture of magnetic recording medium

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP55154255A JPS5778628A (en)	1980-10-31	1980-10-31	Manufacture of magnetic recording medium

Publications (2)

Publication Number	Publication Date
JPS5778628A JPS5778628A (en)	1982-05-17
JPS63845B2 true JPS63845B2 (fr)	1988-01-08

Family

ID=15580205

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP55154255A Granted JPS5778628A (en)	1980-10-31	1980-10-31	Manufacture of magnetic recording medium

Country Status (1)

Country	Link
JP (1)	JPS5778628A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11824279B2 (en)	2021-02-24	2023-11-21	Bluehalo, Llc	System and method for a digitally beamformed phased array feed

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5935580Y2 (ja) *	1982-07-30	1984-10-01	株式会社徳田製作所	スパツタリング装置
JPS6076026A (ja) *	1983-09-30	1985-04-30	Fuji Xerox Co Ltd	垂直磁気記録媒体の製造方法
IL110297A0 (en) *	1993-07-21	1994-10-21	Dynamotive Corp	A method for removal of certain oxide films from metal surfaces

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5423506A (en) *	1977-07-22	1979-02-22	Matsushita Electric Ind Co Ltd	Production of magnetic recording media

1980
- 1980-10-31 JP JP55154255A patent/JPS5778628A/ja active Granted

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5423506A (en) *	1977-07-22	1979-02-22	Matsushita Electric Ind Co Ltd	Production of magnetic recording media

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11824279B2 (en)	2021-02-24	2023-11-21	Bluehalo, Llc	System and method for a digitally beamformed phased array feed

Also Published As

Publication number	Publication date
JPS5778628A (en)	1982-05-17

Publication	Publication Date	Title
JPH1011734A (ja)	1998-01-16	磁気記録媒体
JPS63845B2 (fr)	1988-01-08
US4865878A (en)	1989-09-12	Method of manufacturing vertical magnetization type recording medium
JPH0532807B2 (fr)	1993-05-18
JPH0581967B2 (fr)	1993-11-17
JPH0548530B2 (fr)	1993-07-21
JP3304382B2 (ja)	2002-07-22	磁気記録媒体及びその製造方法
JPS6014408B2 (ja)	1985-04-13	磁気記録媒体の製造方法
JPH103663A (ja)	1998-01-06	磁気記録媒体の製造方法
JPH0393024A (ja)	1991-04-18	金属薄膜型磁気記録媒体
JPH0320816B2 (fr)	1991-03-20
JPS61242332A (ja)	1986-10-28	垂直磁気記録媒体の製造装置
JPS62175926A (ja)	1987-08-01	垂直磁気記録媒体及びその製造方法
JPS62175925A (ja)	1987-08-01	垂直磁気記録媒体の製造方法
JPS61180921A (ja)	1986-08-13	垂直磁化記録媒体およびその製造方法
JPS61187127A (ja)	1986-08-20	磁気記録媒体の製造方法
JPS62162222A (ja)	1987-07-18	垂直磁気記録媒体及びその製造方法
JPS63188828A (ja)	1988-08-04	磁気記録媒体の製造方法
JPH03266219A (ja)	1991-11-27	磁気記録媒体の製造方法
JPS60205818A (ja)	1985-10-17	磁気記録媒体
JPS6226637A (ja)	1987-02-04	パ−マロイ薄膜軟磁性層を有する垂直磁気記録媒体の作製方法
JPH02216610A (ja)	1990-08-29	磁気記録媒体及びその製造方法
JPS61153818A (ja)	1986-07-12	垂直磁化記録媒体およびその製造方法
JPH0991699A (ja)	1997-04-04	磁気記録媒体の製造方法及び磁気記録媒体
JP2004118890A (ja)	2004-04-15	テープ状記録媒体及びその製造方法

JPS63845B2 - - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (1)

Applications Claiming Priority (1)

Publications (2)

Family

ID=15580205

Family Applications (1)

Country Status (1)

Cited By (1)

Families Citing this family (3)

Citations (1)

Patent Citations (1)

Cited By (1)

Also Published As

Similar Documents