KR940016000A - Magnetic recording medium - Google Patents

Magnetic recording medium Download PDF

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Publication number
KR940016000A
KR940016000A KR1019920026176A KR920026176A KR940016000A KR 940016000 A KR940016000 A KR 940016000A KR 1019920026176 A KR1019920026176 A KR 1019920026176A KR 920026176 A KR920026176 A KR 920026176A KR 940016000 A KR940016000 A KR 940016000A
Authority
KR
South Korea
Prior art keywords
recording medium
magnetic recording
weight
parts
alumina
Prior art date
Application number
KR1019920026176A
Other languages
Korean (ko)
Inventor
한석호
전광승
Original Assignee
배도
동양폴리에스터 주식회사
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 배도, 동양폴리에스터 주식회사 filed Critical 배도
Priority to KR1019920026176A priority Critical patent/KR940016000A/en
Publication of KR940016000A publication Critical patent/KR940016000A/en

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  • Magnetic Record Carriers (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paints Or Removers (AREA)

Abstract

본 발명은 주행성 및 내마모성이 향상된 자기기록 매체를 제공하는 것으로 비자성 지지체상에 자성층을 갖는 자기기록 매체에 있어서, 자기기록 매체가 그 백코팅층에서 카본블랙 100중량부에 대하여 평균입자경이 0.1~0.3㎛인 탄산칼슘과 알루미나 혼합물을 1~5중량부 함유시키는 것이며 동마찰계수, 스틸특성 및 가이드핀스크래치가 우수하다.The present invention provides a magnetic recording medium having improved running and abrasion resistance. In the magnetic recording medium having a magnetic layer on a nonmagnetic support, the magnetic recording medium has an average particle diameter of 0.1 to 0.3 with respect to 100 parts by weight of carbon black in the back coating layer. It contains 1 to 5 parts by weight of a mixture of calcium carbonate and alumina, which are µm, and has excellent dynamic friction coefficient, steel characteristics and guide pin scratch.

Description

자기기록매체Magnetic recording medium

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (2)

비자성 지지체상에 자성층을 갖는 자기기록 매체에 있어서, 자기기록 매체가 그 백코팅층에서 카본블랙 100중량부에 대하여 평균입자경이 0.1~0.3㎛인 탄산칼슘과 알루미나 혼합물을 1~5중량부 함유하는 것을 특징으로 하는 자기기록 매체.A magnetic recording medium having a magnetic layer on a nonmagnetic support, wherein the magnetic recording medium contains 1 to 5 parts by weight of a mixture of calcium carbonate and alumina having an average particle size of 0.1 to 0.3 µm with respect to 100 parts by weight of carbon black in the back coating layer. And a magnetic recording medium. 제1항에 있어서, 알루미나와 탄산칼슘 혼합물의 혼합비가 중량비로 7 : 3 내지 5 : 5인 것을 특징으로 하는 자기기록 매체.2. The magnetic recording medium of claim 1, wherein the mixing ratio of the alumina and calcium carbonate mixture is 7: 3 to 5: 5 by weight. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920026176A 1992-12-29 1992-12-29 Magnetic recording medium KR940016000A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920026176A KR940016000A (en) 1992-12-29 1992-12-29 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920026176A KR940016000A (en) 1992-12-29 1992-12-29 Magnetic recording medium

Publications (1)

Publication Number Publication Date
KR940016000A true KR940016000A (en) 1994-07-22

Family

ID=67214817

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920026176A KR940016000A (en) 1992-12-29 1992-12-29 Magnetic recording medium

Country Status (1)

Country Link
KR (1) KR940016000A (en)

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A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application