JPS5990214A - Head for vertical magnetization - Google Patents

Abstract

PURPOSE:To prevent a rotating magnetic disk from flopping and to perform stable high-precision and high-density recording by providing main magnetic supports which have a convex curved surface and a guide plate which has a concave curved surface, arranging both curved surfaces oppositely with the recording medium between, and arranging the front end part of a main magnetic pole in the opposition space. CONSTITUTION:The main magnetic pole 24 made of a thin film with high magnetic permeability is sandwiched between nonmagnetic bases 25, which have a front and a rear flat part 27 and 28 nearly in parallel to the rotating disk 21; and the front end part 29 of the main magnetic pole is formed into a convex curved surface connecting with both flat parts and the main magnetic pole is arranged so that its peak position is at the tip of the main magnetic pole. The guide plate 26, on the other hand, is made of nonmagnetic or high-magnetic- permeability material; and the convex curved surface 30 is formed facing the tip part 29 of the main magnetic pole and the concave curved surface of the supports 25, and a front and a rear flat part 31 and 32 are also formed in parallel facing the front and rear flat parts 27 and 28 of the supports.

Description

[Detailed description of the invention] The present invention relates to a head for converting a Brahma Qi vehicle into a 1-car 4M vehicle,
In particular, the stable rotational state of the 1st difference rotation 1st pregnancy raisk was demonstrated by the 11+
I can live! This relates to a nationally recognized 1D recording head.

In recent years, attention has been paid to an imprinted recording system that utilizes the thinning state of the recording medium to record high-density information signals. This record can be expressed in the form of recording power + 1
1. There are 10 proposals made by the gods as hazuki heads for living.7
J1. A single-tub type main pole excitation type head is known as a typical half-plane magnetization head. In other words, the Wangho shelf excitation type head has a configuration consisting of a strip-shaped quotient magnetically permeable γW film with a winding /3 as shown in FIG. (referred to as Hiro), the tip of the recording medium // is recorded by sliding it (d outside song / 2).
+It is something that carries out life.

The principle of this operation is based on Shuto's work from Hiromu, which is excited by directing the signal type 'lA'b to the winding /3, and magnetizes the magnetic layer /2 of the recording medium in the thickness direction. In other words, in November 0, the recorded sound of the information information month is 1.In addition, the information recorded in the recording medium 41+// (18 sex layer/2) is recorded. In the case of regeneration, the main 1 superpole/≠ simple penetration (1 赳1 (Tofu) rot magnetized
By the 41 east, all 1 sets of '11L are raised between the ends of the line/3 (this is done by setting 7).

Now, record using this I\R main +ki shelf excitation I1 type head, and
The distance i4F between the soil pole and the recording medium, that is +J+
gl'J minute hlh length recorded, cylinder, characteristic shadow 1;
・η 9a + ra no 1. I'm here.

At the time of birth, the distance between the tJ1 recording medium and the main magnetic pole is
? A *That is, if the separation length is d and the total wavelength of α°I is λ, the loss due to this molecule 41E is proportional to d/λ. (1#; as i moves away, the magnetic field from the main pole
It almost loses its sharpness. Therefore, it takes a jl (target 4+, +1 head coma, record and use 11
]I don't want to live in a place where I don't want to live.
(There are 111 important things.

However, by using such a main magnetic pole 11jJ and a 14B type head 4~, +! '! When a rotating flexible circle 41y-shaped (1 tsubo) is completely recorded on a disk, or when an attempt is made to reproduce the information 1t1 recorded on the disk, the following drawback occurs. A1 While the magnetic tape is rotating at a heavy speed, the main magnetic pole tip !7tln section V is slid to record on the magnetic disk. Although the magnetic disk has a stable rotation due to the receding force caused by one rotation, in order to provide 1-1J pleasure and durability, for example, when the head tip is brought into contact with the disk, it causes significant flapping. :, Then I couldn't get constant rotation, and in order to maintain a stable record of L(sq old) +1+/-JE, I changed the magnetic disk and the main (Oka A small). If it stabilizes in the meantime, it will maintain a dynamic state, but it will stop working.

The present invention is intended to solve all of the above-mentioned QIJ problems, and in the magnetic recording/reproducing system of the overlapping recording method, King 4M 4
Sliding condition with +ik, duck is extremely stable, I+:v
It provides a head that can create the trading status of the old /1 at each station. That is, the object of the present invention is, firstly, to provide a magnetic head for magnetization that stably rotates a magnetic disk with 0'' flexibility. (H! + υ) with the yi-ki disk
The object of the present invention is to provide an optical head for perpendicular magnets that has a state representation of 1 (11).

That is, the present invention has a main magnetic pole and a guide plate arranged in parallel with each other via a medium 1A. It is a half-plane magnetization head that has a structure that reduces the instantaneous movement of the recording medium with the opposing 111), and the main magnetic pole and the guide plate are arranged in the same direction through the recording medium. The top price is 1 and 1 is encouraging!
4′! Vertical + 1'1 (lμ + r + main 41! dt Ark patterned body and a guide plate that goes south on the concave curved surface in the head, 11 to 4 + 'd convex of the willow support The concave curved surface of the guide plate and the concave curved surface of the guide plate are arranged in the same space on the L% nucleus (within the opposing space J formed by the convex curved surface of the support 11μ and the concave curved surface of the guide plate). -F magnet...
The 6-point arrangement of the μ tip is considered a 4'J feature! 1! This is a head for making targets 1D.

1)
Explain.

Commercial Jzu;, The main body consisting of MG sex gamma 71 openings (194ii
++ 2≠ is sandwiched between non-magnetic supports -23', and the non-magnetic supports 2 are rotated (18
The rear part of the main pole support, which is approximately parallel to the magnetic disk 21 and approximately parallel to the magnetic disk 21, is located approximately parallel to the main pole support r1. Flat part, 2 and full type, and main 4t44 Chinese holding body end\'j6 part 2
2 has a convex IK curved surface with respect to the black part of the float.

Between the convexities +m no Bs rls (y- is the main IPi (+
'Jh becomes 9110 I>h i/ko1t1JTorui1
It is a cap principal γ・j1 conversion. (The 9th and 4th are () arranged. Article 1 no 4 (J 2tυ 2 non (I) The convex space IN on the support tip 2 and the convex opposite thereto; the guide & concave curve 1III30 formed therein and the main magnetic field
A flat part of the main pole 11J facing the tool part 27, 27
The flat part 3/ of the guide plate ridge is cut out in the end face of the inner plate 2 so that it is parallel to , , and the guide plate ridge flat part 32 is set 4" so that the main magnetic pole support body width H91 - flat part 2g is flat, and the inside of the line 1y,
Concave curved jilt 30 and inner plate 1” Group I 15 flat part 3/
and the guide plate primary flat part 32;
Ahead of the sentence! γ++11 parts! Between the convex space 11u of the guide plate and the concave curved surface 30 of the guide plate 1a/i or main 1173 pole holder 1
111-to flat j%ls, Z7 and information board [11-to 31'-
Gap between flat t~1531 and upper price t115 after support
The flat part 2Ir and the rear part of the guide plate 3:l-black part 32 are also wide, and the main magnetic pole support is placed in front so as to form a space between the leaves in the opposite part. ; Shinabe 2? A convex portion 11 of the guide plate and a concave curved portion 30 of the guide plate are formed. rt
? + Transparency i'J: 1j11+b (Upper price 4iJ (
, L winding 23 or winding 1 is connected to the 2nd wire.

When performing recording and angularization on a disk using the head for imaging of the present invention, the above-mentioned main magnetic pole support, The information board 2z will be changed to the same time as the one in the same direction.In such a case, l1111
11: As the magnetic disk rotates, a stable and steady pneumatic flow is generated between the rotating magnetic disk and the main magnetic pole support 2j and between the rotating magnetic disk and the guide plate 2b. is formed. The rotating 4-speed air disk is stable and stable without being fluctuated by these 4 currents.
i am. Furthermore, due to the rotation (the concave air layer formed between the θ air disk 2/ and the guide plate 2), the flow velocity suddenly decreases between the concave curved surface of the guide plate 2 and the guide plate 1. A magnetic pole 1 is formed between the rotating 4-metal disk 2/ and the main pole support 2j.
Rotation (touring) to achieve 1 pressure for 4 gas laminar flow = Isk receives pressure on the guide plate (till) and forms a curved surface IJV
, stabilizes and rotates.

The magnetic head of the present invention is moved in the same direction as the diameter of the rotating magnetic disk.
Even if lvJ is used, this condition does not change, and the magnetic disk's female constant rotation rate remains constant.

By making full use of the ``4rIi'' head of the present invention, the flapping of the rotating magnetic disk can be reduced to It < , ('% m
J-shaped f focusing force K 4iF, it can be rotated,'
Ge'7shi7 homologous (: iJ record of commercial accumulation achieved J
did.

As is clear from the above description, the present invention aims to stabilize the rotation arm of a rotating magnetic disk, that is, to stabilize the sliding state with the main magnetic disk. support, body and 4
1. There is no electrification effect on the same song. ′
``It is a thing that has been raised, and a rotation ([■Ki Teisuku is used as a main magnet Shigeru I Moe Bun J Mori I Tree ArJ 3 flat r 113 and upper price I (Rii sentence 4 Temple 1 I ka? 11 (flat) 14 For example, the flat part of the guide plate wing part and the flat part of the guide plate temporary part J!, I, r2+) can be rotated north-south, and have stable sliding relative to the rotating magnetic disk Vζ. In this state, it is possible to magnetically record and reproduce desired information signals.

[Brief explanation of drawings]

FIG. 7 is a cross section 1114 of a conventional single expansion type upper value extreme value)-C1J head. // is for Takumen Igi conversion, ; I2 record medium/ 261 Tate 1-+ I+11 conversion record 1, it'/
;Body//'s 'ad i'-IE 1m/3 is the winding/Hiroshi is the upper value of 4 libs consisting of 111 = Commercial Ise Sohiro Figure λ is Kikomei's Yuzu 1011 Eclipse head 111 view It is. 2/ is the rotating magnetic disk 22, the magnetic layer λ3 of the rotating magnetic disk 2/ is the polar line 2≠ is the quotient tracking property l''-I/j 1] magnetic 4, wide 2
jQ mahi (Misei support, 2z is non-41 kusei or quotient nj f+H1 life guide 4
On the other hand, 27 is the principal value and the polar sentence (41 body "J11 part flat part 2":, <18) 4・<It Q ]'#r body Danbe flat,
T! lj, C41 (29 is the main magnetic pole support tip j916 3θ (d inner plate concave curved surface 3/Q) guide ram old 1i 13 flat part 32 is the guide root 11t7<This is an arrow pointing to 7F between mountains. Figure 1 Figure 2

Claims (1)

[Claims] A vertical (playing head) characterized by having a structure that stabilizes the interlocking of the recording medium on the same surface as the main pole and the guide plate (C). The main magnetic pole consists of a main magnetic pole support having a concave curve of 11" (convex in the other head), and a guide plate having a concave curve. The convex curved surface of the 7-4rm support and the concave curved surface of the guide plate are arranged opposite to each other via the recording medium, and the IJk is mainly formed between the convex curved surface of the 7-4rm support and the concave curved surface of the guide plate. Magnetic pole tip t115
All layouts 4. Head for magnetizing the car surface as a special enemy.