JPH01220117A - Magnetic recorder - Google Patents
Magnetic recorderInfo
- Publication number
- JPH01220117A JPH01220117A JP4513588A JP4513588A JPH01220117A JP H01220117 A JPH01220117 A JP H01220117A JP 4513588 A JP4513588 A JP 4513588A JP 4513588 A JP4513588 A JP 4513588A JP H01220117 A JPH01220117 A JP H01220117A
- Authority
- JP
- Japan
- Prior art keywords
- slider
- head
- magnetic
- force
- floating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 abstract description 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 2
- 229910000889 permalloy Inorganic materials 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 101100382321 Caenorhabditis elegans cal-1 gene Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
- G11B5/53—Disposition or mounting of heads on rotating support
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/60—Fluid-dynamic spacing of heads from record-carriers
- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、 ＶＴＲ’ｐ Ｒ−ＤＡＴなど回転磁気ヘ
ッドを用−る磁気記録Ｉ＆置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a magnetic recording device using a rotating magnetic head such as a VTR'pR-DAT.
従来、ＶＴＲやＲ−ＤＡＴなどに用いられている磁気記
録装置１は、例えば特公昭３８−１０２８９号公報に示
されて−る既に公知である回転磁気ヘッドを用いて−る
。これを図によって説明する。Conventionally, the magnetic recording device 1 used in VTRs, R-DATs, and the like uses a known rotary magnetic head as disclosed in, for example, Japanese Patent Publication No. 38-10289. This will be explained using a diagram.
第４図は、従来の磁気記録装置を示す上面図、第５図は
側面図である。装置に固定されたロワードラム１２）の
上にほぼ同じ半径のアッパードラム１！１が乗っており
、記録・再生時、それは一定の回転数で回転する。その
アッパードラム…にヘッドホルダー（財）は、ねじ１７
１などで固定されており、更に磁気ヘッド＋ｓ＋ ｎ
ｓヘッドホルダー（ロ）に接着剤などで固着されている
。記録・再生時、磁気テープ５１はドラム…１２１に舎
き付き、磁気ヘッド＋３１とも接触している。FIG. 4 is a top view showing a conventional magnetic recording device, and FIG. 5 is a side view. An upper drum 1!1 having approximately the same radius is placed on a lower drum 12) fixed to the device, and rotates at a constant number of revolutions during recording and reproduction. The head holder (goods) is attached to the upper drum with screw 17.
1 etc., and the magnetic head +s+n
s It is fixed to the head holder (b) with adhesive or the like. During recording and reproduction, the magnetic tape 51 rests on the drum 121 and is also in contact with the magnetic head +31.
従来の回転磁気ヘッドを用いた磁気記録装置に、以上の
ように構成されているので、記録・再生時磁気ヘッドと
媒体（磁気テープ）が接触摺動し、磁気ヘッドま九は媒
体が、摩耗やキズつきを起こすという問題点を有してｈ
た。Since a magnetic recording device using a conventional rotating magnetic head is configured as described above, the magnetic head and the medium (magnetic tape) come into contact with each other during recording and reproduction, and the magnetic head and the medium wear out. It has the problem of causing scratches and scratches.
Ta.
このため、例えば磁気ヘッド材料には、対摩耗特性のよ
いＭｎ−Ｚｎ フェライトなどを選ばなくてはならず
、しかもこの摩耗のため、家庭用ＶＴＲでは、使用限度
が１〜２千時間と限られている。更に、磁気ヘッドと媒
体が摺動する事により電磁変換特性悪化要因である摺切
ノイズを発生するなどの問題点があった。For this reason, for example, Mn-Zn ferrite, which has good anti-wear characteristics, must be selected as the magnetic head material, and due to this wear, the usage limit for home VTRs is limited to 1 to 2,000 hours. ing. Furthermore, there are other problems such as sliding noise, which is a factor in deteriorating electromagnetic conversion characteristics, due to sliding between the magnetic head and the medium.
この発明は、上記のような問題点を解消するためになさ
れたもので、記録・再生時磁気ヘッドと媒体が接触摺動
しない回転磁気ヘッドを用いた信幀性の高い高品質のＩ
低記録装置を得ることを目的とする。This invention was made to solve the above-mentioned problems, and provides highly reliable, high-quality I/O using a rotating magnetic head in which the magnetic head and medium do not come into contact with each other during recording/reproduction.
The aim is to obtain a low recording device.
この発明の磁気記録装置１ｊ、回転ドラム、この回転ド
ラムの凹部に弾性体により支持されたスライダ、及びこ
のスライダに支持され、磁気記録媒体との間で記録再生
？行う磁気ヘッドを備え、上記回転ドラムの回転と上記
磁気記録媒体の移動により、上記磁気ヘッドを有するス
ライダに作用する。遠心力、空気流による浮力、及び上
記弾性体の弾性力により、定常運転時に上記ヘッドを有
するスライダが上記磁気記録媒体に対して浮上して記録
再生するようにしたものである。The magnetic recording device 1j of the present invention includes a rotating drum, a slider supported by an elastic body in a recessed portion of the rotating drum, and a magnetic recording medium supported by the slider for recording and reproducing between the rotating drum and the magnetic recording medium. The rotation of the rotating drum and the movement of the magnetic recording medium act on the slider having the magnetic head. Due to the centrifugal force, the buoyant force of the air flow, and the elastic force of the elastic body, the slider having the head flies above the magnetic recording medium during steady operation to perform recording and reproduction.
この発明における磁気記録装置６は、回転磁気ヘッドと
媒体が少なくとも定常運転時（相対連動中）接触摺動し
ないので、ヘッドおよび媒体の摩耗、キズつきがなく、
また、ヘッドの機械特性全考慮する必要がないため、例
えばパーマロイなどの摩耗特性の悪い磁性材料を使用す
る≠も可能になる。また、ヘッド寿命が摩耗に依存しな
いため、半永久的ＶＣ便用する事も可能である。更に、
摺切ノイズなどの問題もまったくない・
〔実施例〕
以下、この発明の一夫Ｗ、洲ケ図について説明する。第
１図はこの発明の一天施例の磁気記録装置！會示す上面
図、第２図はその側面図である。In the magnetic recording device 6 according to the present invention, since the rotating magnetic head and the medium do not contact or slide at least during steady operation (during relative interlocking), the head and the medium are free from wear and scratches.
Furthermore, since it is not necessary to consider all the mechanical properties of the head, it is also possible to use a magnetic material with poor wear characteristics, such as permalloy. Further, since the life of the head does not depend on wear, it is also possible to use it as a semi-permanent VC. Furthermore,
There is no problem such as sliding noise. [Example] Hereinafter, the Kazuo W and Suga diagram of the present invention will be explained. Figure 1 shows a magnetic recording device that is an instant embodiment of this invention! A top view shows the meeting, and FIG. 2 is a side view thereof.
図において、 ＩＩ＋は回転ドラムで、この場合はアッ
パードラム、１２＋ｉアツパードラム…とほぼ同 ゛じ
半径のロワードラムで、装置に同定されている。（６）
はアッパードラム＋１１の凹部にネジ１７）などで固定
された弾性体で、この場合にバネ、＋４１はバネ（６１
により支持されたスライダで、この場合は正圧スライダ
、＋：Ｉｌ ｎ １ｍ気ヘッドでスライダ１４１に支持
されている。この場合はスライダ＋４１と一体に形成さ
れている。＋６１は磁気記録媒体で、この場合は磁気テ
ープである。なお、矢印ｌＡｌ＃−ｔアッパードラム…
の回転方向を、１Ｂｌｄ磁気テープ１６１の進行方向を
表わす。In the figure, II+ is a rotating drum, in this case a lower drum with approximately the same radius as the upper drum, 12+i upper drum, etc., and is identified in the device. (6)
is an elastic body fixed to the recessed part of the upper drum +11 with a screw 17), etc. In this case, +41 is a spring (61).
In this case, a positive pressure slider, +: Il n is supported by the slider 141 with a 1 m air head. In this case, it is formed integrally with the slider +41. +61 is a magnetic recording medium, in this case a magnetic tape. Note that the arrow lAl#-t upper drum...
The direction of rotation of the 1Bld magnetic tape 161 represents the direction of movement of the 1Bld magnetic tape 161.
以上のように構成された磁気記録媒体において、記録・
再生時等アッパードラム…が回転し磁気テープ＋６１が
走行すると、スライダ１４１が正圧スライダのため第８
図の浮上動作説明図に示すように、アッパードラム…の
回転によって起こる遠心力回、バネ１６１のまげによっ
て起こる弾性力（バネ力）Ｕ２Ｊ、スライダ１４１の下
に流れる空気流１２１１によって起こる浮力（揚力１１
３１がスライダ；４）に作用する。スライダ（４１の浮
上性ａ０はこの８つの力に依存するため、そのつり合い
により浮上量８つ
（１６１が決定する。そこで、上記の作用力を調節、こ
の場合は例えばバネ１Ｂ）のバネ力Ｑ２） 倉ａ当に選
択することにより、記録・再生時など、磁気ヘッド；３
；と磁気テープ１５）が相対連動中、所定の浮上量でヘ
ッド１：１１１浮上させることができ、磁気ヘッド（３
１と磁気テープ１５１の接触槽＃Ｉ＃″ｊ起こらない。In the magnetic recording medium configured as described above, recording and
When the upper drum rotates during playback and the magnetic tape +61 runs, the slider 141 is a positive pressure slider, so the 8th
As shown in the explanatory diagram of the floating operation in the figure, the centrifugal force caused by the rotation of the upper drum, the elastic force (spring force) U2J caused by the bending of the spring 161, and the buoyancy force (lifting force) caused by the air flow 1211 flowing under the slider 141. 11
31 acts on the slider; 4). Since the flying ability a0 of the slider (41) depends on these eight forces, the eight flying heights (161) are determined by their balance.Therefore, the above acting force is adjusted, in this case, the spring force Q2 of the spring 1B, for example. ) By selecting the appropriate magnetic head for recording and playback; 3
; and the magnetic tape 15), the head can be made to fly 1:111 at a predetermined flying height, and the magnetic head (3)
1 and the magnetic tape 151 contact tank #I#"j does not occur.
従って、磁気ヘッド及び磁気記録媒体の摩耗、キズつき
がなくなる。また、ヘッドの機械特性？−あまり考慮す
る必要がないため、例えばパーマロイなどの摩耗特性の
悪い磁気材料をも使用できる。またヘッド寿命が摩耗に
依存しないため、半永久的に使用できる。更ＶＣ摺幼ノ
イズなどの問題も全くなくなる。Therefore, wear and scratches on the magnetic head and magnetic recording medium are eliminated. Also, what about the mechanical properties of the head? - Magnetic materials with poor wear properties, such as permalloy, can also be used, as less consideration is required. Furthermore, since the head life does not depend on wear, it can be used semi-permanently. Further, problems such as VC sliding noise are completely eliminated.
なお、上記実施例では、正圧スライダの場合について説
明したが、負圧スライダを用いて第３図において下回き
、即ち磁気記録媒体の万に押圧されるような負の浮力を
発生させるようにしてもよく、同様の効果を奏する。こ
の場合。In the above embodiment, the case of using a positive pressure slider was explained, but a negative pressure slider is used to generate a negative buoyant force that lowers the magnetic recording medium as shown in FIG. The same effect can be obtained. in this case.
弾性体による弾性力はヘッドの媒体からの浮上高さ（ス
ペーシング）が所定の値になるようにこの負の浮力及び
遠心力に対抗する逆向きの力（第３図において上回きの
力）Ｋなるようにする必要がある。The elastic force of the elastic body is an opposite force (in Figure 3, an overpowering force) that opposes this negative buoyancy and centrifugal force so that the flying height (spacing) of the head from the medium becomes a predetermined value. )K.
即ち、弾性力でスライダを回転ドラムの凹部にひきつけ
ておくことになる。なおこの負圧スライダを用いた磁気
記録装置ｔは、例えば装置の停市時のようなヘッドと媒
体との相対運動がない場合もヘッドと媒体が非接触（ノ
ンコンタクトスタートストップ）であるが、ヘッドと媒
体が接触（コンタクトスタートストップ）であっても、
いずれの場合もこの発明の効果は発揮される。That is, the slider is attracted to the recess of the rotating drum by the elastic force. In addition, in the magnetic recording device t using this negative pressure slider, the head and the medium are not in contact (non-contact start/stop) even when there is no relative movement between the head and the medium, such as when the device is stopped. Even if the head and medium are in contact (contact start/stop),
In either case, the effects of this invention are exhibited.
昔だ、従来は、ヘッド寿命を確保するため、ヘッドのギ
ャップ深さが数ｆミクロン必要でありが、この発明を用
いればそういつた問題がないため、ギャップ深さは１ミ
クロン以下でもよくこの場合ヘツヘドに薄膜ヘッド？用
いても十分１に出力が確保でき、薄膜ヘッドの利点であ
る低インピーダンスや数十ＭＨｚの高周波数での高い再
生出力が利用できる。In the past, in order to ensure head life, the gap depth of the head needed to be several f microns, but with this invention, there is no such problem, so the gap depth could be less than 1 micron. If the head is thin film head? Even when used, a sufficient output can be ensured, and the advantages of thin film heads such as low impedance and high reproduction output at high frequencies of several tens of MHz can be utilized.
以上のように、この発明によれば１回転ドラム、この回
転ドラムの凹部に弾性体により支持されたスライダ、及
びこのスライダに支持され。As described above, according to the present invention, there is a one-rotation drum, a slider supported by an elastic body in the recess of the rotary drum, and a slider supported by the slider.
磁気記録媒体との間で記録再生ケ行う磁気ヘッドを備え
、上記回転ドラムの回転と上記磁気記録媒体の移動によ
り、上記磁気ヘッドを有するスライダに作用する、遠心
力、空気流による浮力、及び上記弾性体の弾性力により
、定′Ｍ運転時に上記磁気ヘッド會有するスライダが上
記磁気記録媒体に対して浮上して記録再生するようにし
たので、磁気ヘッド及び磁気記録媒体の４耗やキズつき
を防止できるとともに摺動ノイズの発生も防止でき、俗
情性の高い高品質の磁気記録装置が得られる効果がある
。The slider is equipped with a magnetic head that performs recording and reproducing to and from a magnetic recording medium, and as a result of the rotation of the rotating drum and the movement of the magnetic recording medium, centrifugal force and buoyancy due to air flow act on the slider having the magnetic head, and the above-mentioned Due to the elastic force of the elastic body, during constant M operation, the slider with the magnetic head flies over the magnetic recording medium for recording and reproduction, thereby preventing wear and scratches on the magnetic head and the magnetic recording medium. This has the effect of preventing the generation of sliding noise and providing a high-quality magnetic recording device with a high level of social appeal.
第１図はこの発明の一実施例の磁気記録装置を示す上面
図、第２図は同側面図、第８図は同浮上動作説明図、第
４図は従来の磁気記録装置を示す上面図、第５図は同側
面図である。
図において、＋１１ｉ回転ドラム、１３１け磁気ヘッド
、１４）はスライダ、Ｉ５１は磁気記録媒体、ｆａＩＦ
ｉ弾性体、１υ汀遠心力、 ＋１２１に弾性力、０３１
は浮力、０国は浮上敏、ＣＡｌ１は空気流である。
なお１図中、同一符号は同−又は相当部分？示す。FIG. 1 is a top view showing a magnetic recording device according to an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 8 is an explanatory diagram of the same floating operation, and FIG. 4 is a top view showing a conventional magnetic recording device. , FIG. 5 is a side view of the same. In the figure, +11i rotating drum, 131 magnetic head, 14) slider, I51 magnetic recording medium, faIF
i elastic body, 1υ centrifugal force, +121 elastic force, 031
is buoyancy, 0 country is buoyancy, and CAl1 is airflow. In addition, in Figure 1, are the same symbols the same or equivalent parts? show.
Claims (1)
されたスライダ、及びこのスライダに支持され、磁気記
録媒体との間で記録再生を行う磁気ヘッドを備え、上記
回転ドラムの回転と上記磁気記録媒体の移動により、上
記磁気ヘッドを有するスライダに作用する、遠心力、空
気流による浮力、及び上記弾性体の弾性力により、定常
運転時に上記磁気ヘッドを有するスライダが上記磁気記
録媒体に対して浮上して記録再生するようにした磁気記
録装置。A rotating drum, a slider supported by an elastic body in a concave portion of the rotating drum, and a magnetic head supported by the slider for recording and reproducing data from and to a magnetic recording medium, the rotation of the rotating drum and the magnetic recording medium Due to the movement of the magnetic head, the centrifugal force acting on the slider having the magnetic head, the buoyant force of the air flow, and the elastic force of the elastic body cause the slider having the magnetic head to levitate relative to the magnetic recording medium during steady operation. A magnetic recording device that records and reproduces data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4513588A JPH01220117A (en) | 1988-02-26 | 1988-02-26 | Magnetic recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4513588A JPH01220117A (en) | 1988-02-26 | 1988-02-26 | Magnetic recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01220117A true JPH01220117A (en) | 1989-09-01 |
Family
ID=12710835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4513588A Pending JPH01220117A (en) | 1988-02-26 | 1988-02-26 | Magnetic recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01220117A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6995956B2 (en) | 2002-02-28 | 2006-02-07 | Tdk Corporation | Rotary head having an adjustable magnetic head and a magnetic recording/reproducing apparatus |
-
1988
- 1988-02-26 JP JP4513588A patent/JPH01220117A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6995956B2 (en) | 2002-02-28 | 2006-02-07 | Tdk Corporation | Rotary head having an adjustable magnetic head and a magnetic recording/reproducing apparatus |
| US7113374B2 (en) | 2002-02-28 | 2006-09-26 | Tdk Corporation | Rotary head having an airflow adjustment magnetic head and a magnetic recording/reproducing apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0685103B1 (en) | Contact magnetic recording disk file with a magnetoresistive read sensor | |
| US4734803A (en) | Magnetic head air bearing slider | |
| JPH07111772B2 (en) | Magnetic disk recorder | |
| US7515384B2 (en) | Method and apparatus for providing a three stepped air bearing having a funnel structure for controlling air flow to improve fly height performance | |
| JPH0644715A (en) | Rigid disk, magnetic digital information storage device having localized read/write-enhancement and not related to dimension | |
| US6243234B1 (en) | Disk drive including slider with contact edge and recessed read transducer | |
| US20020181153A1 (en) | Slider air bearing surface having improved fly height profile characteristics | |
| US6958889B2 (en) | Slider with a compliant transducer interface | |
| JP2001076413A (en) | Head slider for flexible magnetic disk | |
| JPH06251528A (en) | Data storage device | |
| CA2013385C (en) | Optical/magnetic composite head having magnetic and optical heads in one integrated unit | |
| JPH01220117A (en) | Magnetic recorder | |
| US6493185B1 (en) | Optimized pad design for slider and method for making the same | |
| US4891721A (en) | Magnetic head device | |
| US5091812A (en) | Stabilizing apparatus for recording and/or reproducing apparatus of flexible rotary recording medium | |
| EP0938078B1 (en) | Magnetic head device and recording medium drive | |
| US6349019B1 (en) | Magnetic head device with constant head floating height | |
| US6680820B2 (en) | Method of maintaining a constant flying height of a magnetic head and a magnetic disk drive utilized therefor | |
| GB2178219A (en) | Magnetic head support assembly | |
| JPS6228506B2 (en) | ||
| US7251107B2 (en) | Method and apparatus for providing an air bearing pad having improved roll angle sigma | |
| JPS6220124A (en) | Magnetic disk device | |
| JPH04353619A (en) | Magnetic recording medium | |
| JPS6331872B2 (en) | ||
| JP3045340B2 (en) | Magnetic recording / reproducing device |