KR920013287A - Secure magnetic recording media - Google Patents

Secure magnetic recording media Download PDF

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Publication number
KR920013287A
KR920013287A KR1019900020787A KR900020787A KR920013287A KR 920013287 A KR920013287 A KR 920013287A KR 1019900020787 A KR1019900020787 A KR 1019900020787A KR 900020787 A KR900020787 A KR 900020787A KR 920013287 A KR920013287 A KR 920013287A
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KR
South Korea
Prior art keywords
magnetic
magnetic recording
recording medium
layer
recording media
Prior art date
Application number
KR1019900020787A
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Korean (ko)
Inventor
정춘학
Original Assignee
정춘학
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.)
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Publication date
Application filed by 정춘학 filed Critical 정춘학
Priority to KR1019900020787A priority Critical patent/KR920013287A/en
Publication of KR920013287A publication Critical patent/KR920013287A/en

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Abstract

내용 없음No content

Description

보안성을 가진 자기 기록 매체Secure magnetic recording media

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

제1도는 이 발명의 자기 기록 매체의 자성체층을 중심으로 한 단면도, 제2도는 제1의 매체의 자화량을 추상화하여 설명하는 도면이다.FIG. 1 is a cross-sectional view centering on a magnetic layer of the magnetic recording medium of the present invention, and FIG. 2 is a diagram illustrating abstraction of the magnetization amount of the first medium.

Claims (4)

절연재의 기체에 자성체층을 형성하여 정보를 기록하는 자기 기록 매체에 있어서, 자성체층 위에 자기 차폐층을 선택적으로 형성한 보안성을 가진 자기 기록 매체.A magnetic recording medium for recording information by forming a magnetic layer on a base of an insulating material, wherein the magnetic recording medium has security provided by selectively forming a magnetic shielding layer on the magnetic layer. 제1항에 있어서, 상기 자기 차폐층을 부호화하여 인쇄한 보안성을 가진 자기 기록 매체.The magnetic recording medium of claim 1, wherein the magnetic shielding layer is encoded and printed. 제1항에 있어서, 상기 자성체층의 잔류 자속 밀도 방향을 x, y, z축 가운데 한쪽 방향만으로 한정한 보안성을 가진 자기 기록 매체.The magnetic recording medium of claim 1, wherein the magnetic flux layer has a residual magnetic flux density direction defined in only one of x, y, and z axes. 제1항 및 제2항에 있어서, 상기 자기 차폐층은 자기 차폐재를 인쇄 또는 코팅하여 형성한 보안성을 가진 자기 기록 매체.The magnetic recording medium of claim 1, wherein the magnetic shielding layer is formed by printing or coating a magnetic shielding material. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900020787A 1990-12-15 1990-12-15 Secure magnetic recording media KR920013287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900020787A KR920013287A (en) 1990-12-15 1990-12-15 Secure magnetic recording media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900020787A KR920013287A (en) 1990-12-15 1990-12-15 Secure magnetic recording media

Publications (1)

Publication Number Publication Date
KR920013287A true KR920013287A (en) 1992-07-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020787A KR920013287A (en) 1990-12-15 1990-12-15 Secure magnetic recording media

Country Status (1)

Country Link
KR (1) KR920013287A (en)

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E601 Decision to refuse application