KR960042540A - Floppy disk for magnetic head cleaning - Google Patents

Floppy disk for magnetic head cleaning Download PDF

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Publication number
KR960042540A
KR960042540A KR1019950013249A KR19950013249A KR960042540A KR 960042540 A KR960042540 A KR 960042540A KR 1019950013249 A KR1019950013249 A KR 1019950013249A KR 19950013249 A KR19950013249 A KR 19950013249A KR 960042540 A KR960042540 A KR 960042540A
Authority
KR
South Korea
Prior art keywords
floppy disk
magnetic head
head cleaning
magnetic
cleaning according
Prior art date
Application number
KR1019950013249A
Other languages
Korean (ko)
Other versions
KR0148772B1 (en
Inventor
한기수
윤종선
이현일
Original Assignee
안시환
주식회사 에스케이씨
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 안시환, 주식회사 에스케이씨 filed Critical 안시환
Priority to KR1019950013249A priority Critical patent/KR0148772B1/en
Publication of KR960042540A publication Critical patent/KR960042540A/en
Application granted granted Critical
Publication of KR0148772B1 publication Critical patent/KR0148772B1/en

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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
    • G11B5/41—Cleaning of heads
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
    • G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
    • G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
    • G11B5/70652—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides gamma - Fe2 O3
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/708—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer
    • G11B5/7085—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer non-magnetic abrasive particles

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

본 발명은 자기 헤드 클리닝용 플로피 디스크에 관한 것으로서, 베이스 필름의 상부에 자기 헤드를 클리닝하기 위한 도포층이 형성된 자기 헤드 클리닝용 플로피 디스크에 있어서, 상기 도포층이 γ-Fe2O3자성체, 상기 자성체를 기준으로 100~300중량%의 고경도 연마제 및 9~15중량%의 비자성 카본을 포함하며, 중심선 평균 표면 조도가 15~30㎚인 자기 헤드 클리닝용 플로피 디스크가 개시되어 있다.The present invention relates to a floppy disk for magnetic head cleaning, the magnetic head cleaning floppy disk having a coating layer for cleaning the magnetic head on the base film, wherein the coating layer is a γ-Fe 2 O 3 magnetic material, the Disclosed is a floppy disk for magnetic head cleaning, which comprises 100 to 300 wt% of a high hardness abrasive and 9 to 15 wt% of nonmagnetic carbon based on a magnetic material, and has a centerline average surface roughness of 15 to 30 nm.

본 발명의 클리닝용 플로피 디스크는 자기 헤드 클리닝 성능이 우수할 뿐만 아니라 자기 기록, 재생매체로도 이용될 수있다.The cleaning floppy disk of the present invention not only has excellent magnetic head cleaning performance, but can also be used as a magnetic recording and reproducing medium.

Description

자기 헤드 클리닝용 플로피 디스크Floppy disk for magnetic head cleaning

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (8)

베이스 필름의 상부에, 자기 헤드를 클리닝하기 위한 도포층이 형성된 자기 헤드 클리닝용 플로피 디스크에 있어서, 상기 도포층이 γ-Fe2O3자성체, 상기 자성체를 기준으로 100~300 중량%의 고경도 연마제 및 9~15 중량%의 비자성 카본을 포함하며, 중심선 평균 표면 조도가 15~30㎚인 자기 헤드 클리닝용 플로피 디스크.A floppy disk for magnetic head cleaning having a coating layer for cleaning a magnetic head on an upper portion of a base film, wherein the coating layer is a γ-Fe 2 O 3 magnetic material and a high hardness of 100 to 300 wt% based on the magnetic material A floppy disk for magnetic head cleaning, comprising an abrasive and 9-15% by weight of nonmagnetic carbon and having a centerline average surface roughness of 15-30 nm. 제1항에 있어서, 상기 베이스 필름이 폴리에스테르류, 폴리오레핀류, 셀룰로오스 유도체류 및 비닐류 수지로 이루어진 군으로부터 선택된 하나인 것을 특징으로 하는 자기 헤드 클리닝용 플로피 디스크.The floppy disk for magnetic head cleaning according to claim 1, wherein the base film is one selected from the group consisting of polyesters, polyolefins, cellulose derivatives, and vinyl resins. 제1항에 있어서, 상기 도포층의 두께가 2내지 5㎛인 것을 특징으로 하는 자기 헤드 클리닝용 플로피 디스크.The floppy disk for magnetic head cleaning according to claim 1, wherein the coating layer has a thickness of 2 to 5 mu m. 제1항에 있어서, 상기 γ-Fe2O3자성체는 비표면적이 20㎡/g 이상, 모오스 경도가 5 이상, 항자력이 600 Oe이상이고 침상 구조를 갖는 것을 특징으로 하는 자기 헤드 클리닝용 플로피 디스크.The floppy disk for magnetic head cleaning according to claim 1, wherein the γ-Fe 2 O 3 magnetic material has a specific surface area of 20 m 2 / g or more, a MOS hardness of 5 or more, and a coercive force of 600 Oe or more and has a needle structure. . 제1항에 있어서, 상기 고경도의 연마제가 α-Al2O3, Cr2O3및α-Fe2O3로 이루어진 군으로부터 선택된 것을특징으로 하는 클리닝용 플로피 디스크.The floppy disk for cleaning according to claim 1, wherein the high hardness abrasive is selected from the group consisting of α-Al 2 O 3 , Cr 2 O 3, and α-Fe 2 O 3 . 제5항에 있어서, 상기 고경도의 연마제가 Cr2O3인 것을 특징으로 하는 자기 헤드 클리닝용 헤드 플로피 디스크.The magnetic floppy disk for magnetic head cleaning according to claim 5, wherein the high hardness abrasive is Cr 2 O 3 . 제6항에 있어서, 상기 Cr2O3연마제가 모오스 경도가 9 이상, 비표면적이 9~16㎡/g 범위이고, 평균입자 크기가 0.3~0.4㎛인 것을 특징으로 하는 자기 헤드 클리닝용 플로피 디스크.7. The floppy disk for magnetic head cleaning according to claim 6, wherein the Cr 2 O 3 abrasive has a MOS hardness of 9 or more, a specific surface area in the range of 9 to 16 m 2 / g, and an average particle size of 0.3 to 0.4 m. . 제1항에 있어서, 상기 비자성 카본은 평균입자 크기가 16내지 40㎛, 비표면적이 50 내지 950㎡/g인 것을특징으로 하는 자기 헤드 클리닝용 플로피 디스크.The floppy disk for magnetic head cleaning according to claim 1, wherein the non-magnetic carbon has an average particle size of 16 to 40 µm and a specific surface area of 50 to 950 m 2 / g. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950013249A 1995-05-25 1995-05-25 Floppy disc for magnetic head cleaning KR0148772B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950013249A KR0148772B1 (en) 1995-05-25 1995-05-25 Floppy disc for magnetic head cleaning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950013249A KR0148772B1 (en) 1995-05-25 1995-05-25 Floppy disc for magnetic head cleaning

Publications (2)

Publication Number Publication Date
KR960042540A true KR960042540A (en) 1996-12-21
KR0148772B1 KR0148772B1 (en) 1998-10-15

Family

ID=19415383

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950013249A KR0148772B1 (en) 1995-05-25 1995-05-25 Floppy disc for magnetic head cleaning

Country Status (1)

Country Link
KR (1) KR0148772B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100263913B1 (en) * 1997-06-24 2000-08-16 장용균 Floppy disk for clearing magnetic head
KR100263914B1 (en) * 1997-06-24 2000-08-16 장용균 Floppy disk for clearing magnetic heads

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100263913B1 (en) * 1997-06-24 2000-08-16 장용균 Floppy disk for clearing magnetic head
KR100263914B1 (en) * 1997-06-24 2000-08-16 장용균 Floppy disk for clearing magnetic heads

Also Published As

Publication number Publication date
KR0148772B1 (en) 1998-10-15

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