KR960005431A

KR960005431A - Magnetic head

Info

Publication number: KR960005431A
Application number: KR1019940016779A
Authority: KR
Inventors: 김상준
Original assignee: 김광호; 삼성전자 주식회사
Priority date: 1994-07-13
Filing date: 1994-07-13
Publication date: 1996-02-23

Abstract

비디오 테이프와 같은 자기기록매체에 정보를 기록하고 재생하는 자기헤드가 개시되어 있다. 개시된 헤드는 테이프와 습동하는 코어반체(21,22)의 상면부에 코팅되어 직접 자기기록매체와 접촉하는 보호층(29)을 구비한다. 그 보호층(29)은 예컨데 비정질의 비자성체로서 표면 윤활성이 높은 재질로 코팅되는 것이다. 그 보호층(29)을 구비한 자기헤드는 기존의 기록재생특성을 크게 변화시키지 않고 습동노이즈를 개선하고 특히 우수한 내마모성으로 수명을 크게 연장시킨다. (제4도)A magnetic head for recording and reproducing information on a magnetic recording medium such as a video tape is disclosed. The disclosed head is provided with a protective layer 29 coated on the upper surface of the core bodies 21 and 22 which slide with the tape and in direct contact with the magnetic recording medium. The protective layer 29 is coated with a material having high surface lubricity, for example, as an amorphous nonmagnetic material. The magnetic head provided with the protective layer 29 improves the sliding noise without significantly changing the existing recording and reproducing characteristics, and greatly extends the life with particularly excellent wear resistance. (Figure 4)

Description

Magnetic head

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

제3도는 제2도의 갭 부분을 발췌하여 나타낸 단면도,3 is a cross-sectional view showing the gap portion of FIG.

제4도는 본 발명에 따른 자기헤드의 사시도,4 is a perspective view of a magnetic head according to the present invention,

제5도는 제4도의 갭 부분을 발췌하여 나타낸 단면도.FIG. 5 is a cross-sectional view showing an extract of the gap portion of FIG.

Claims

A core member formed by joining one core half body and the other core half body to form a magnetic path and having a contact surface sliding in contact with the magnetic recording medium, and a gap for leaking magnetic flux on the contact surface, and at least one wound around the core member to generate magnetic flux. A magnetic head comprising a coil, the magnetic head comprising a non-magnetic protective layer coated on the contact surface and in direct contact with the magnetic recording medium instead of the contact surface.

The magnetic head as claimed in claim 1, wherein the protective layer is coated with diamond-like carbon having an amorphous structure.

The magnetic head as claimed in claim 1, wherein the protective layer has a thickness of 20 µm or less.

The magnetic head of claim 1, wherein a gap depth of the head is formed in a range of less than 30 μm.

※ Note: The disclosure is based on the initial application.