JPS60147982A - Load adjusting device of magnetic head - Google Patents
Load adjusting device of magnetic headInfo
- Publication number
- JPS60147982A JPS60147982A JP192084A JP192084A JPS60147982A JP S60147982 A JPS60147982 A JP S60147982A JP 192084 A JP192084 A JP 192084A JP 192084 A JP192084 A JP 192084A JP S60147982 A JPS60147982 A JP S60147982A
- Authority
- JP
- Japan
- Prior art keywords
- load
- magnetic head
- magnetic
- laser
- lever
- 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
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
- G11B5/58—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
-
- 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
Landscapes
- Supporting Of Heads In Record-Carrier Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は磁気ヘッドに印加するバネ荷重調整装置に関す
るもので、特に磁気ディスク装置用磁気ヘッドの荷重調
整に好適な装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a device for adjusting a spring load applied to a magnetic head, and particularly to a device suitable for adjusting the load on a magnetic head for a magnetic disk device.
従来から磁気ディスク記憶装置用磁気ヘッドは、磁気ヘ
ッドにバネにより荷重を印加し、磁気ディスクに押しつ
け、磁気ディスクとの間のすきま（以下スペーシングと
いう）を一定に保っている。Conventionally, a magnetic head for a magnetic disk storage device applies a load to the magnetic head using a spring, presses the magnetic head against the magnetic disk, and maintains a constant gap (hereinafter referred to as spacing) between the magnetic head and the magnetic disk.
しかしながら、磁気ヘッドの製造工程での磁気ヘッドの
寸法誤差、荷重設定誤差があり、スペーシングの誤差が
大きかった。However, there were dimensional errors and load setting errors in the magnetic head during the manufacturing process of the magnetic head, resulting in large spacing errors.
そのため従来はスペーシングを検査し、許容範囲外とな
ったものは廃棄または、荷重印加バネに外力を加えて大
きく変位させて塑性変形させ、荷重を調整し、スペーシ
ングを合わせることが行われている。Therefore, in the past, the spacing was inspected, and if it was found to be outside the allowable range, it was discarded, or an external force was applied to the load applying spring to cause a large displacement, causing plastic deformation, and the load was adjusted to match the spacing. There is.
磁気ヘッドの浮動スペーシングの最大値は記録再生系の
必要特性から決まり、極力小さくする必要がある。−力
量小値が小さくなると磁気ヘッド、ディスクが接触摺動
してヘッド・クラッシュを起しやすくなるため極力大き
くする必要がある。The maximum value of the floating spacing of the magnetic head is determined by the required characteristics of the recording/reproducing system, and must be made as small as possible. - If the minimum force value is small, the magnetic head and disk will come into contact with each other and cause a head crash, so it is necessary to make it as large as possible.
このため浮動スペーシングの誤差を小さくすることは、
磁気ディスク装置の高記録密度化のために重要な課題で
あるが、従来の方法のままで浮動スペーシングの許容範
囲を小さくすると不良ヘッドの率が高くなり、実際上誤
差の太き・いままで使わざるを得なかった。Therefore, reducing the floating spacing error is
This is an important issue for increasing the recording density of magnetic disk devices, but if the tolerance range for floating spacing is reduced using the conventional method, the rate of defective heads will increase, and in practice, the error rate will increase. I had no choice but to use it.
本発明の目的は、上記した欠点を除き、容易に所望の荷
重あるいは浮動スペーシングの得られる磁気ヘッドの荷
重調整装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a magnetic head load adjustment device that eliminates the above-mentioned drawbacks and allows a desired load or floating spacing to be easily obtained.
本発明では磁気ヘッドの荷重印加バネ部に、加熱用の光
を照射し、バネ部の除去あるいは焼戻しにより荷重を低
下させ、印加荷重を調整するキ）のである。In the present invention, the applied load is adjusted by irradiating the load applying spring section of the magnetic head with heating light and reducing the load by removing or tempering the spring section.
以下本発明を実施例により説明する。 The present invention will be explained below with reference to Examples.
第１の実施例は本発明を磁気ディスク装置用磁気ヘッド
の荷重自動調整装置に応用したものである。The first embodiment is an application of the present invention to an automatic load adjustment device for a magnetic head for a magnetic disk device.
第１図に第１の実施例の装置構成を示す。FIG. 1 shows the device configuration of the first embodiment.
磁気ヘッドｌはステンレス製のロードパーｌＯにより磁
気ヘッド支持部材２０に固定されている磁気ヘッド支持
部材２０には更に磁気ヘッド２゜３．４がそれぞれロー
ドパー１．０により固定されている。以下はすべて磁気
ヘッド１について説明するが、磁気ヘッド支持部材２０
上の他の３つの磁気ヘッド２，３．４に対し全く同様の
実施が可能である。The magnetic head 1 is fixed to the magnetic head supporting member 20 by a stainless steel load parlO. Magnetic heads 2.degree. 3.4 are further fixed to the magnetic head supporting member 20 by respective load pars 1.0. Everything below will be explained about the magnetic head 1, but the magnetic head support member 20
Exactly the same implementation is possible for the other three magnetic heads 2, 3.4 above.
磁気ヘッド支持部材２０はベース２００上に固定された
磁気ヘッド固定台３０に固定されている。The magnetic head support member 20 is fixed to a magnetic head fixing table 30 fixed on the base 200.
荷重変換器１００は荷重−電圧変換器で、荷重測定レバ
ーｌｏｔに加わる力に比例した電圧を出力する。荷重測
定レバー１０１と磁気ヘッド固定台との高さ関係は、磁
気ディスク記憶装置の磁気ディスクと、磁気ヘッド移動
機構上の磁気ヘッド固定部との高さ関係と同じとしたた
め、荷重測定用レバー１０１上に、静止した磁気ヘッド
ｌから加えられる荷重は実際の装置上での値と同じとな
る。The load converter 100 is a load-voltage converter that outputs a voltage proportional to the force applied to the load measuring lever lot. The height relationship between the load measuring lever 101 and the magnetic head fixing base is the same as the height relationship between the magnetic disk of the magnetic disk storage device and the magnetic head fixing part on the magnetic head moving mechanism. Above, the load applied from the stationary magnetic head l is the same as the value on the actual device.
加熱用光源としてＹＡＧレーザ５０を用い、レーザ５０
からの光を回転ミラー１１０により方向を変えレンズ１
２０により収束して、ロードパー１０の基部の荷重印加
バネ部分を直径０．１ｍｍのスポットで照射する。回転
ミラー１１０をパルスモータ１３０により回転させるこ
とにより荷重印加バネ部に照射された光は１ ｗ＝ ／
ｓｅｅの速度で印加バネ部上を移動する。A YAG laser 50 is used as a heating light source, and the laser 50
The direction of the light from the lens 1 is changed by a rotating mirror 110.
20 and irradiates the load applying spring portion at the base of the loader 10 with a spot of 0.1 mm in diameter. By rotating the rotary mirror 110 by the pulse motor 130, the light irradiated onto the load applying spring section is 1 w= /
It moves on the application spring part at the speed of see.
’ＹＡＧレーザ５０は持続時間０．５ｍｍ、出力０、Ｉ
Ｊの波長１．０６μｍの光を毎秒２０パルス発射可能で
あり、レーザ制御回路により必要数のパルスを発射する
。’ＹＡＧレーザ５０および、荷重測定器１００はそれ
ぞれレーザ固定台５１および荷重測定器固定台１０２に
よりベース２００に固定さ、１ている。'YAG laser 50 has a duration of 0.5 mm, an output of 0, and an I
It is possible to emit 20 pulses of light with a wavelength of 1.06 μm per second, and the required number of pulses is emitted by the laser control circuit. The YAG laser 50 and the load measuring device 100 are fixed to a base 200 by a laser fixing table 51 and a load measuring device fixing table 102, respectively.
制御装置７０は、荷重変換器１００により測定された磁
気ヘッド１の荷重に比例した電圧ｅ、を、あらかじめ入
力されている標準の（＠ ｅ 、と比較し、両者の差Δ
ｅ ＝’Ａ Ｌ ｅ ｏが所定の値より大きい場合、レ
ーザ制御回路６０およびパルスモータ１３０に制御信号
を送り、ＹＡＧレーザ５０の光をロードパーｌＯの基部
のバネ部に印加する。The control device 70 compares the voltage e proportional to the load of the magnetic head 1 measured by the load converter 100 with the standard (@e, inputted in advance), and calculates the difference Δ between the two.
If e='A L e o is larger than a predetermined value, a control signal is sent to the laser control circuit 60 and the pulse motor 130, and the light from the YAG laser 50 is applied to the spring section at the base of the load par IO.
本実施例では荷重を増加させることはできないため、ロ
ードパー１０の基部の幅を従来の６■から７１１ＩＩ＋
に増し、無調整時の荷重を増して１０．５±０．５ｇｆ
となるようにし、ロードバー基部の荷重印加バネ部に本
調整装置により幅０．１ｎｗｎの穴を最大０．６ｍｍの
長さに開けることにより荷重を１０±０．１ｇｆに調整
した。In this embodiment, since it is not possible to increase the load, the width of the base of the load par 10 was changed from the conventional 6cm to 711II+
and increased the load without adjustment to 10.5±0.5 gf.
The load was adjusted to 10±0.1 gf by making a hole with a width of 0.1 nwn and a maximum length of 0.6 mm using the adjustment device in the load applying spring portion of the load bar base.
従来は、ロードパ・−１０の製造時に変形量を一定範囲
としていただけであり１組立後に±０．５ｇｆあった荷
重誤差が、本発明の磁気ヘッド荷重調整装置により±０
．１ｇｆとすることができた。Conventionally, the amount of deformation was set within a certain range when manufacturing the LOADPA-10, and the load error was ±0.5gf after one assembly, but with the magnetic head load adjustment device of the present invention, it has been reduced to ±0.
．． It was possible to make it 1gf.
このように本実施例では従来不可能であった荷重測定を
行いながら荷重調整を行う゛ことが可能となり、短時間
で、高精度の荷重調整が可能となる。In this way, in this embodiment, it is possible to adjust the load while measuring the load, which was previously impossible, and it becomes possible to adjust the load with high precision in a short time.
次に本発明を磁気ヘッド浮動スペーシング自動調整装置
に応用した第２の実施例について説明する。Next, a second embodiment in which the present invention is applied to a magnetic head floating spacing automatic adjustment device will be described.
本実施例では、荷重ではなく磁気ヘッドの浮動スペーシ
ングを測定してその結果に基づいて磁気ヘッドの荷重を
調整する。In this embodiment, the floating spacing of the magnetic head is measured instead of the load, and the load of the magnetic head is adjusted based on the measurement result.
磁気ヘッド１，２，３，４はロードパー１０により磁気
ヘッド支持部材２０に固定されている。The magnetic heads 1, 2, 3, and 4 are fixed to a magnetic head support member 20 by a loader 10.
磁気ヘッド支持部材２０は、レール３２上を石英ガラス
ディスク１４０，１４１の半径方向に移動する磁気ヘッ
ド移動台３１に固定され、石英ガラスディスク１４０，
１４１の希望の半径位置に位置付けされる。The magnetic head support member 20 is fixed to a magnetic head moving table 31 that moves on rails 32 in the radial direction of the quartz glass disks 140, 141, and
141 at the desired radial position.
石英ガラスディスク１４０，１４１は、ハブ１４４に固
定され、ベース２００に固定された軸受１４２，１．４
３に固定された回転軸１４５により回転される。回転軸
１４５は、モータ１４７からベルｌ−１４６により駆動
されている。The quartz glass disks 140, 141 are fixed to the hub 144 and the bearings 142, 1.4 fixed to the base 200.
It is rotated by a rotating shaft 145 fixed to 3. The rotating shaft 145 is driven by a motor 147 and a bell l-146.
磁気ヘッド１，２は石英ガラスディスク１４０−１−に
、磁気・＼ｙド３．４は石英ガラスティスフ１４ Ｉ」
二に：ｔ″１動している。以下説明は磁気ヘッド１につ
いてのみ行うが、磁気ヘッド２，３．４に関しても同様
である。The magnetic heads 1 and 2 are made of quartz glass disk 140-1-, and the magnetic head 3.4 is made of quartz glass disk 140-1.
Second: It is moving t''1. The following explanation will be given only for the magnetic head 1, but the same applies to the magnetic heads 2, 3.4.
磁気ヘッドｌの浮動面には、石英ガラス、ディスク１４
０をはさん′〔・浮ＮＩ＋スペーシング測定用光学系１
５１が対向しており、浮動スペーシング測定用光源１５
０からの光が、磁気ヘッド１の浮動面に照射され、干渉
反射した光が浮動スペーシング測定用光検出器１５２に
送られる。これ等は制御回路′１０により制御され、特
願昭５６−１１５０６０あるいは特願昭５７−１８７４
３８により開示されている方法により浮動スペーシング
の値をめることができる。The floating surface of the magnetic head l is covered with quartz glass and a disk 14.
0' [・Floating NI + Spacing measurement optical system 1
51 are facing each other, and a light source 15 for floating spacing measurement
0 is irradiated onto the floating surface of the magnetic head 1, and the interference-reflected light is sent to the photodetector 152 for measuring floating spacing. These are controlled by a control circuit '10, and are
The value of floating spacing can be determined by the method disclosed by No. 38.
磁気ヘッド１のロードパー１０の基部のバネ部分にはＹ
ＡＧレーザ５１の出力光が石英オプチカルファイバ１１
１、レンズ１２０を通して更に石英ガラス・ディスク１
４０を透過して収束照射される。レンズ１２０およびフ
ァイバ１１１の出力側は、光束移動機構１２１に固定さ
れ、ロードパー１０上のレーザ光の照射点を移動するこ
とができる。The spring part at the base of the loader 10 of the magnetic head 1 has a Y
The output light of the AG laser 51 is transmitted to the quartz optical fiber 11
1. Further pass the quartz glass disk 1 through the lens 120
40 and is convergently irradiated. The output sides of the lens 120 and the fiber 111 are fixed to a beam moving mechanism 121, so that the irradiation point of the laser beam on the load par 10 can be moved.
制御回路７０は、測定された浮動スペーシングの値をあ
らかじめ入力されている標準値と比較し、測定値が標準
値よりも小さい場合、レーザ制御回路６０および光束移
動機構１２１を制御し、ロードパー１０の基部のバネ部
にＹＡＧレーザ５０の出力光を照射する。The control circuit 70 compares the measured value of the floating spacing with a standard value input in advance, and if the measured value is smaller than the standard value, controls the laser control circuit 60 and the beam moving mechanism 121, and controls the load par 10. The output light of the YAG laser 50 is irradiated onto the spring portion at the base of the YAG laser 50.
ＹＡＧレーザ５０は出力０．５Ｗの光を０．１秒間照射
し、スポット径０．１ｍｍの部分を焼戻しする。The YAG laser 50 irradiates light with an output of 0.5 W for 0.1 seconds to temper a portion with a spot diameter of 0.1 mm.
焼戻しされた部分は磁気ヘッド浮動状態で歪が除去され
るため、印加荷重は減少する。本例では通常荷重１０±
０．５ｇｆで浮動スペーシング０．４±０．０６μｍと
なる磁気ヘッドのロードパー１０の巾６ｗｌ１１を８ｍ
とし荷重を１２±０．５ｇｆに増して最大浮動スペーシ
ングを０．４μｍ以下とし、ロードパーｌＯの基部のバ
ネ部をｒｌｌｏ、１＋ｎｍ長さ最大で２．５ｍｍの範囲
をロードパー１０の巾方向に焼戻すことにより荷重を調
整し、浮動スペーシング０．４±０．０２μｍと誤差の
値を従来の１／３にすることができた。Since strain is removed from the tempered portion while the magnetic head is floating, the applied load is reduced. In this example, the normal load is 10±
The width 6wl11 of the magnetic head load par 10, which has a floating spacing of 0.4±0.06μm at 0.5gf, is 8m.
Then, the load was increased to 12 ± 0.5 gf, the maximum floating spacing was 0.4 μm or less, and the spring part at the base of the Load Par 10 was set to rllo, and a range of 1 + nm length at the maximum of 2.5 mm was burned in the width direction of the Load Par 10. By adjusting the load, we were able to reduce the floating spacing to 0.4±0.02 μm and the error value to 1/3 of the conventional value.
この様に第２の実施例によれば、従来不可能であった磁
気ヘッドを浮動させた状態での印加荷重の調整が可能と
なり、短時間で高精度の浮動スペーシングの調整を行な
うことができる。As described above, according to the second embodiment, it is possible to adjust the applied load while the magnetic head is floating, which was previously impossible, and it is possible to adjust the floating spacing with high precision in a short time. can.
この例では、焼戻しを行なって荷重を調整したが、第１
の実施例の様に穴開けによることも可能であり、この場
合には穴開は時に飛散する金属粉を吸引除去して、石英
ガラスディスク１４０゜１４１の表面あるいは磁気ヘッ
ド部に付着しない様にする必要がある。In this example, the load was adjusted by tempering, but the first
It is also possible to make a hole as in the embodiment shown in FIG. There is a need to.
以上の実施例では、加熱用光源として’ＹＡＧレーザを
用いているが、これに限られるわけではなく、ルビーレ
ーザ等の他の大出力レーザ、あるいはハロゲンランプ等
の大出力光源であれば本発明の効果を得られる。In the above embodiments, a 'YAG laser is used as a heating light source, but the present invention is not limited to this, and any other high-power laser such as a ruby laser, or a high-power light source such as a halogen lamp may be used. You can get the effect of
また、本発明の実施例では共に、制御回路を持つ自動調
整装置とし、て説明したが、一部を人手を介して行なっ
ても本発明の効果が損われないことは明らかであろう。Further, although the embodiments of the present invention have been described as automatic adjustment devices having a control circuit, it is clear that the effects of the present invention will not be impaired even if some of the adjustment is performed manually.
更に磁気ヘッドのロードパーに対しては従来のまま変更
を加えていないが、表面を黒色とする事によりレーザ光
の吸収を良くすることが可能であり、必要なレーザパワ
ーを小さくすることができる。Further, although no changes have been made to the load perforation of the magnetic head as before, by making the surface black, it is possible to improve the absorption of laser light, and the necessary laser power can be reduced.
本発明によれば磁気ヘッドの荷重を調整することにより
、磁気記録媒体と磁気ヘッドとの間のスペーシングの誤
差を減少させることが可能となり、装置の信頼性を向上
させることができる。According to the present invention, by adjusting the load on the magnetic head, it is possible to reduce the spacing error between the magnetic recording medium and the magnetic head, and the reliability of the apparatus can be improved.
第１図は、本発明を磁気ディスク用磁気ヘッド荷重自ａ
調整装置に使用した例を示す図、第２図は、本発明を磁
気ディスク用磁気ヘッド浮動スペーシング自動調整装置
に使用した例を示す図である。
１．２，３．４・・・磁気ヘッド、１０・・・ロードバ
ー、２０・・・磁気ヘッド支持部材、３０・・・磁気ヘ
ッド固定台、３１・・・磁気ヘッド移動台、３２・・・
移動レール、５０・・・ＹＡＧレーザ、５１・・・Ｌノ
ーザ固定台、６０・・・レーザ制御回路、７０・・・制
御回路、１００・・・荷重測定器、１０１・・・荷重測
定レバー、１０２・・・荷重測定器固定台、１１０・・
・凹面回転ミラー、１１１・・・オペチカルファイバ、
１２０・・・レンズ、１２１・・・光速移動機構、１３
０・・・パルスモータ。
１４０．１．４１・・・石英ガラスディスク、１４２゜
１４３・・・軸受、１４５・・・回転軸、１４６・・・
ベルト、１４７・・・駆動モータ、１５０・・・浮動ス
ペーシング測定用光源、１５１・・・浮動スペーシング
測定用光学系、１５２・・・浮動スペーシング測定用光
検出器、１９０・・・ベース開口部、２００・・・ベー
ス。FIG. 1 shows the magnetic head load of the present invention for a magnetic disk.
FIG. 2 is a diagram showing an example in which the present invention is used in a magnetic head floating spacing automatic adjustment device for a magnetic disk. 1.2, 3.4... Magnetic head, 10... Load bar, 20... Magnetic head support member, 30... Magnetic head fixing stand, 31... Magnetic head moving stand, 32...・
Moving rail, 50...YAG laser, 51...L noser fixing base, 60...laser control circuit, 70...control circuit, 100...load measuring device, 101...load measuring lever, 102...Load measuring device fixing stand, 110...
・Concave rotating mirror, 111...Optical fiber,
120...Lens, 121...Light speed movement mechanism, 13
0...Pulse motor. 140.1.41... Quartz glass disk, 142° 143... Bearing, 145... Rotating shaft, 146...
Belt, 147... Drive motor, 150... Light source for floating spacing measurement, 151... Optical system for floating spacing measurement, 152... Photodetector for floating spacing measurement, 190... Base Opening, 200...Base.
Claims (1)
荷重を加えることにより近接させる磁気ヘッドの印加荷
重調整装置において、磁気ヘッド支持部材を固定する手
段と、加熱用光源と、上記加熱用光源の出力光を上記磁
気ヘッドの荷重印加バネ部に導くための手段とを有す−
ることを特徴とする磁気ヘッド荷重調整装置。10. An applied load adjustment device for a magnetic head that brings the magnetic head close to a magnetic recording medium by applying a load using a spring, comprising means for fixing a magnetic head support member, a heating light source, and an output of the heating light source. means for guiding the light to the load applying spring portion of the magnetic head.
A magnetic head load adjustment device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP192084A JPS60147982A (en) | 1984-01-11 | 1984-01-11 | Load adjusting device of magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP192084A JPS60147982A (en) | 1984-01-11 | 1984-01-11 | Load adjusting device of magnetic head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60147982A true JPS60147982A (en) | 1985-08-05 |
Family
ID=11515023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP192084A Pending JPS60147982A (en) | 1984-01-11 | 1984-01-11 | Load adjusting device of magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60147982A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63122076A (en) * | 1986-11-12 | 1988-05-26 | Fujitsu Ltd | Floating amount adjusting method for floating type head |
| US5712463A (en) * | 1995-09-19 | 1998-01-27 | International Business Machines Corporation | Laser apparatus and method for adjusting the gram load static attitude and flying height of a slider in a head suspension assembly |
| US6837092B1 (en) | 2000-02-10 | 2005-01-04 | Hutchinson Technology Incorporated | Method for adjusting a head suspension parameter |
| US7219413B1 (en) | 2002-03-08 | 2007-05-22 | Hutchinson Technology Incorporated | Adjusting system and method for head slider mounting regions on head suspensions |
| US7275408B1 (en) | 2003-04-08 | 2007-10-02 | Hutchinson Technology Incorporated | Scanning beam suspension adjustment |
-
1984
- 1984-01-11 JP JP192084A patent/JPS60147982A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63122076A (en) * | 1986-11-12 | 1988-05-26 | Fujitsu Ltd | Floating amount adjusting method for floating type head |
| US5712463A (en) * | 1995-09-19 | 1998-01-27 | International Business Machines Corporation | Laser apparatus and method for adjusting the gram load static attitude and flying height of a slider in a head suspension assembly |
| US6011239A (en) * | 1995-09-19 | 2000-01-04 | International Business Machines Corporation | Laser apparatus and method adjusting the gram load, static attitude and flying height in a head suspension assembly |
| US6837092B1 (en) | 2000-02-10 | 2005-01-04 | Hutchinson Technology Incorporated | Method for adjusting a head suspension parameter |
| US7213433B2 (en) | 2000-02-10 | 2007-05-08 | Hutchinson Technology Incorporated | Method for adjusting a head suspension parameter |
| US7219413B1 (en) | 2002-03-08 | 2007-05-22 | Hutchinson Technology Incorporated | Adjusting system and method for head slider mounting regions on head suspensions |
| US7275408B1 (en) | 2003-04-08 | 2007-10-02 | Hutchinson Technology Incorporated | Scanning beam suspension adjustment |
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