JPH0376525B2 - - Google Patents
Info
- Publication number
- JPH0376525B2 JPH0376525B2 JP19416584A JP19416584A JPH0376525B2 JP H0376525 B2 JPH0376525 B2 JP H0376525B2 JP 19416584 A JP19416584 A JP 19416584A JP 19416584 A JP19416584 A JP 19416584A JP H0376525 B2 JPH0376525 B2 JP H0376525B2
- Authority
- JP
- Japan
- Prior art keywords
- core block
- winding groove
- block
- dummy
- core
- 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.)
- Expired
Links
- 238000004804 winding Methods 0.000 claims description 42
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000696 magnetic material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007767 bonding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004544 sputter deposition Methods 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/1272—Assembling or shaping of elements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、オフイスコンピユータ、パーソナル
コンピユータなどのフロツピーデイスク等の磁気
ヘツド用チツプの製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing chips for magnetic heads such as floppy disks for office computers, personal computers, and the like.
最近、磁気記録再生装置の小型化、高密度記録
化、デイスクの小型化に伴い、小型のヘツドを用
いるとＳ／Ｎが悪化することが知られている。こ
れを解決するために、ギヤツプにアジマス角度を
つけることが先に提案されている（特開昭57−
186222号公報参照）。
Recently, with the miniaturization of magnetic recording and reproducing devices, the increase in recording density, and the miniaturization of disks, it is known that the S/N ratio deteriorates when a small head is used. To solve this problem, it was previously proposed to add an azimuth angle to the gap (Japanese Unexamined Patent Publication No. 1986-
(Refer to Publication No. 186222).
また現在使用されているフロツピーデイスクは
第２図に示すようにデイスク９両面に上側ヘツド
１０及び下側ヘツド１１を有している。また、こ
の場合、上記上側ヘツド１０と下側ヘツド１１の
アジマスギヤツプの角度の方向はデイスク９の回
転方向に対して同一にする必要がある。 The floppy disk currently in use has an upper head 10 and a lower head 11 on both sides of the disk 9, as shown in FIG. Further, in this case, the angle direction of the azimuth gap between the upper head 10 and the lower head 11 needs to be the same with respect to the direction of rotation of the disk 9.
本発明は、上記上側ヘツド１０用チツプと下側
ヘツド１１用チツプとをペアで製造することがで
き、量産に適したチツプの製造方法を提供するも
のである。 The present invention provides a method of manufacturing chips suitable for mass production, in which the chip for the upper head 10 and the chip for the lower head 11 can be manufactured in pairs.
第１図は、本発明の磁気ヘツド用チツプの製造
方法を示した図である。
FIG. 1 is a diagram showing a method of manufacturing a magnetic head chip according to the present invention.
第１図ａに示すように、フエライト等の磁性材
料により断面を略ヨ字形に形成した第１のコアブ
ロツク１と、上記第１のコアブロツク１と同様に
フエライト等の磁性材料により断面を略Ｉ字形に
形成した第２のコアブロツク２と、セラミツク等
の非磁性材料により断面を略コ字形に形成したダ
ミーブロツク３を用意する。これら第１のコアブ
ロツク１、第２のコアブロツク２、ダミーブロツ
ク３は対称な形状となつている。次に第１図ｂに
示すように、上記第１のコアブロツク１と、上記
ダミーブロツク３の間に、上記第２のコアブロツ
ク２を挟み、低融点ガラスまたは、接着剤等の接
合剤４を用いて、これらを同時に接合する。但
し、第１のコアブロツク１と第２のコアブロツク
２の間にギヤツプを形成するために、接合前にス
パツタ等を施し、ギヤツプ長を定めておくか、接
合時にスペーサー等をはさんでギヤツプ長を定め
る。次にダミーブロツク３には、巻線溝５Ｂ，５
Ｄを上下対称に設け、第１のコアブロツク１には
第２のコアブロツク２側に接するように上下対称
に巻線溝５Ａ，５Ｃを形成した後、第１図ｃに示
すように任意のアジマス角度をつけて符号１２
ａ，１２ｂ…に示すようにスライスし、第１図ｄ
に示すように、上下の摺動ギヤツプ面６となると
ころを境に上下対称に分割し、第１図ｅに示す磁
気ヘツド用チツプ８と、このチツプとはアジマス
方向が対称となつているチツプ（図示せず）とが
完成する。この第１図ｅの７はギヤツプでありト
ラツク幅の違いによつて記録再生ギヤツプまたは
消去ギヤツプとなる。 As shown in FIG. 1a, a first core block 1 is made of a magnetic material such as ferrite and has a substantially Y-shaped cross section, and like the first core block 1 described above, it is made of a magnetic material such as ferrite and has a substantially I-shaped cross section. A second core block 2 is prepared, and a dummy block 3 is made of a non-magnetic material such as ceramic and has a substantially U-shaped cross section. These first core block 1, second core block 2, and dummy block 3 have symmetrical shapes. Next, as shown in FIG. 1b, the second core block 2 is sandwiched between the first core block 1 and the dummy block 3, and a bonding agent 4 such as low melting point glass or adhesive is used to sandwich the second core block 2 between the first core block 1 and the dummy block 3. and join them at the same time. However, in order to form a gap between the first core block 1 and the second core block 2, either sputtering or the like is applied to determine the gap length before joining, or the gap length is determined by inserting a spacer etc. at the time of joining. stipulate. Next, the dummy block 3 has winding grooves 5B and 5.
D are provided vertically symmetrically, and winding grooves 5A and 5C are vertically symmetrically formed in the first core block 1 so as to be in contact with the second core block 2 side, and then an arbitrary azimuth angle is formed as shown in FIG. Add the code 12
Slice as shown in a, 12b...
As shown in FIG. 1, the magnetic head chip 8 shown in FIG. (not shown) is completed. This gap 7 in FIG. 1e is a recording/reproducing gap or an erasing gap depending on the difference in track width.
また、第１図ｈに示すものは、上記第１図ｃに
示すものを左右対称に構成したものであり、これ
には第２のコアブロツク２Ａに接するように、第
１のコアブロツク１Ａに形成した巻線溝５Ａとダ
ミーブロツク３に形成した巻線溝５Ｂと、これら
巻線溝５Ａ，５Ｂと左右対称の巻線溝５Ｅ，５Ｆ
とが形成され、上記巻線溝５Ａ，５Ｂ，５Ｅ，５
Ｆと上下対称に巻線溝５Ｃ，５Ｄ，５Ｇ，５Ｈが
形成されている。上記第１図ｈに示すものからチ
ツプを形成するときには、ダミーブロツク３の中
心部分から左右対称に分割し、前記第１図Ｃに示
すように任意のアジマス角度をつけてスライス
し、第１図ｄに示すように、上下対称に分割する
ことにより磁気ヘツド用チツプが形成できる。 Furthermore, the one shown in FIG. 1h is a symmetrical configuration of the one shown in FIG. The winding groove 5A, the winding groove 5B formed in the dummy block 3, and the winding grooves 5E, 5F symmetrical to these winding grooves 5A, 5B.
are formed, and the winding grooves 5A, 5B, 5E, 5
Winding grooves 5C, 5D, 5G, and 5H are formed vertically symmetrically with F. When forming a chip from what is shown in FIG. As shown in d, a chip for a magnetic head can be formed by vertically symmetrical division.
また第１図ｈに示すブロツクを上下対称に分割
して第１図ｆに示すように、任意のアジマス角度
をつけてスライスし、ダミーブロツク３の中心部
分から第１図ｇに示すように、左右対称に分割す
ることにより磁気ヘツド用チツプが形成できる。 Furthermore, the block shown in FIG. 1h is vertically symmetrically divided and sliced at an arbitrary azimuth angle as shown in FIG. A chip for a magnetic head can be formed by dividing the chip symmetrically.
なお、その他の方法として、第１図ｈに示すも
のをアジマス角度をつけてスライスしてから、上
下左右対称に分割することにより上記本発明の実
施例の磁気ヘツド用チツプが多量に形成できる。 As another method, a large quantity of magnetic head chips according to the embodiment of the present invention can be produced by slicing the chip shown in FIG. 1h at an azimuth angle and then dividing it vertically and horizontally symmetrically.
また、上記本発明の実施例の巻線溝５Ａ，５
Ｂ，５Ｃ，５Ｄを形成する場所として、ダミーブ
ロツク３と第１のコアブロツク１側から第２のコ
アブロツク２側に接するように巻線溝５Ａ，５
Ｂ，５Ｃ，５Ｄを形成したが、第１のコアブロツ
クと第２のコアブロツクの間の接合部を含む巻線
溝を形成しても、上記本発明の実施例と同様の効
果が得られる。 Moreover, the winding grooves 5A and 5 of the embodiment of the present invention are
B, 5C, 5D are formed in the winding grooves 5A, 5 from the dummy block 3 and the first core block 1 side to the second core block 2 side.
Although B, 5C, and 5D are formed, the same effects as in the embodiments of the present invention can be obtained even if a winding groove including a joint between the first core block and the second core block is formed.
この発明は上記したように、
軟磁性体よりなる第１のコアブロツク及び第２
のコアブロツクと非磁性体よりなるダミーブロツ
クを用意し、
第１のコアブロツクと第２のコアブロツクとの
間にギヤツプとなる部分を形成し、第１のコアブ
ロツクとダミーブロツクとの間に第２のコアブロ
ツクを挟むようにして第１のコアブロツクと第２
のコアブロツクを、また該第２のコアブロツクと
ダミーブロツクを接合する第１の工程と、
第１のコアブロツクには、この第１のコアブロ
ツクと第２のコアブロツクとの接合面に沿つて互
いに相対する側から、ギヤツプとなる部分を中心
にして対称に第１の巻線溝と第２の巻線溝を形成
し、ダミーブロツクには第１の巻線溝と同一方向
にかつ同一側から第３の巻線溝を、また第２の巻
線溝と同一方向にかつ同一側から第４の巻線溝を
形成する第２の工程とを有し、
第１のコアブロツクと第２のコアブロツクの接
合面に交わり第１の巻線溝と第３の巻線溝、また
は第２の巻線溝と第４の巻線溝を含む面であつ
て、第１のコアブロツクと第２のコアブロツクの
接合面と直交する面を除く面と平行に、第１のコ
アブロツク、第２のコアブロツク及びダミーブロ
ツクを複数箇所に亘りスライスする第３の工程
と、
第１のコアブロツクと第２のコアブロツクの接
合面と直交する面に沿つて、第１の巻線溝と第２
の巻線溝が、及び第３の巻線溝と第４の巻線溝が
分離されるように、第１のコアブロツク、第２の
コアブロツク及びダミーブロツクを切断する第４
の工程とを含み、
チツプを形成するようにしたから、容易な製造
工程でフロツピーデイスクの上側ヘツド用チツプ
と下側ヘツド用チツプがペアで従来より多く得ら
れるという効果がある。
As described above, the present invention includes a first core block and a second core block made of a soft magnetic material.
A gap is formed between the first core block and the second core block, and a second core block is formed between the first core block and the dummy block. The first core block and the second core block are sandwiched between them.
a first step of joining the second core block and the dummy block; Then, a first winding groove and a second winding groove are formed symmetrically around the gap area, and a third winding groove is formed in the dummy block in the same direction and from the same side as the first winding groove. a second step of forming a winding groove and a fourth winding groove in the same direction and from the same side as the second winding groove; A surface that intersects with the joint surface of the first core block and the second core block and includes the first winding groove and the third winding groove, or the second winding groove and the fourth winding groove, and A third step of slicing the first core block, the second core block and the dummy block at multiple locations parallel to the planes excluding the orthogonal planes, and orthogonal to the joining plane of the first core block and the second core block. A first winding groove and a second winding groove are formed along the surface.
The first core block, the second core block, and the dummy block are cut so that the first core block, the second core block, and the dummy block are separated so that the third winding groove and the fourth winding groove are separated.
Since the chips are formed by forming the chips, it is possible to obtain more pairs of chips for the upper head and the chips for the lower head of the floppy disk through a simple manufacturing process than in the past.
第１図のａ，ｂ，ｃ，ｄ，ｅ，ｈは本発明の一
実施例における磁気ヘツド用チツプの製造工程を
示した斜視図、第１図のｆ，ｇは本発明における
磁気ヘツド用チツプの製造工程を説明する参考
図、第２図はフロツピーデイスクの概略図であ
る。
１，１Ａ，１Ｂ，１Ｃ：第１のコアブロツク、
２，２Ａ，２Ｂ，２Ｃ：第２のコアブロツク、
３，３Ａ，３Ｂ，３Ｃ：ダミーブロツク、４：接
合剤、５Ａ，５Ｂ，５Ｃ，５Ｄ，５Ｅ，５Ｆ，５
Ｇ，５Ｈ：巻線溝、６：摺動ギヤツプ面、７：ギ
ヤツプ、８：チツプ、９：デイスク、１０：上側
ヘツド、１１：下側ヘツド、１２ａ，１２ｂ…。
A, b, c, d, e, and h in FIG. 1 are perspective views showing the manufacturing process of a chip for a magnetic head according to an embodiment of the present invention, and f and g in FIG. A reference diagram for explaining the manufacturing process of the chip, FIG. 2 is a schematic diagram of a floppy disk. 1, 1A, 1B, 1C: first core block,
2, 2A, 2B, 2C: second core block,
3, 3A, 3B, 3C: Dummy block, 4: Bonding agent, 5A, 5B, 5C, 5D, 5E, 5F, 5
G, 5H: Winding groove, 6: Sliding gap surface, 7: Gap, 8: Chip, 9: Disk, 10: Upper head, 11: Lower head, 12a, 12b...
Claims (1)
２のコアブロツクと非磁性体よりなるダミーブロ
ツクを用意し、 第１のコアブロツクと第２のコアブロツクとの
間にギヤツプとなる部分を形成し、第１のコアブ
ロツクとダミーブロツクとの間に第２のコアブロ
ツクを挟むようにして第１のコアブロツクと第２
のコアブロツクを、また該第２のコアブロツクと
ダミーブロツクを接合する第１の工程と、 第１のコアブロツクには、この第１のコアブロ
ツクと第２のコアブロツクとの接合面に沿つて互
いに相対する側から、ギヤツプとなる部分を中心
にして対称に第１の巻線溝と第２の巻線溝を形成
し、ダミーブロツクには第１の巻線溝と同一方向
にかつ同一側から第３の巻線溝を、また第２の巻
線溝と同一方向にかつ同一側から第４の巻線溝を
形成する第２の工程とを有し、 第１のコアブロツクと第２のコアブロツクの接
合面に交わり第１の巻線溝と第３の巻線溝、また
は第２の巻線溝と第４の巻線溝を含む面であつ
て、第１のコアブロツクと第２のコアブロツクの
接合面と直交する面を除く面と平行に、第１のコ
アブロツク、第２のコアブロツク及びダミーブロ
ツクを複数箇所に亘りスライスする第３の工程
と、 第１のコアブロツクと第２のコアブロツクの接
合面と直交する面に沿つて、第１の巻線溝と第２
の巻線溝が、及び第３の巻線溝と第４の巻線溝が
分離されるように、第１のコアブロツク、第２の
コアブロツク及びダミーブロツクを切断する第４
の工程とを含み、 チツプを形成するようにしたことを特徴とする
磁気ヘツド用チツプの製造方法。[Claims] 1. A first core block and a second core block made of a soft magnetic material and a dummy block made of a non-magnetic material are prepared, and a gap is formed between the first core block and the second core block. The first core block and the second core block are sandwiched between the first core block and the dummy block.
a first step of joining the second core block and the dummy block; Then, a first winding groove and a second winding groove are formed symmetrically around the gap area, and a third winding groove is formed in the dummy block in the same direction and from the same side as the first winding groove. a second step of forming a winding groove and a fourth winding groove in the same direction and from the same side as the second winding groove; A surface that intersects with the joint surface of the first core block and the second core block and includes the first winding groove and the third winding groove, or the second winding groove and the fourth winding groove, and A third step of slicing the first core block, the second core block and the dummy block at multiple locations parallel to the planes excluding the orthogonal planes, and orthogonal to the joining plane of the first core block and the second core block. A first winding groove and a second winding groove are formed along the surface.
The first core block, the second core block, and the dummy block are cut so that the first core block, the second core block, and the dummy block are separated so that the third winding groove and the fourth winding groove are separated.
1. A method for manufacturing a chip for a magnetic head, comprising the steps of: forming a chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19416584A JPS6173215A (en) | 1984-09-17 | 1984-09-17 | Manufacture of chip for magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19416584A JPS6173215A (en) | 1984-09-17 | 1984-09-17 | Manufacture of chip for magnetic head |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24654890A Division JPH03116406A (en) | 1990-09-17 | 1990-09-17 | Production of chip for magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6173215A JPS6173215A (en) | 1986-04-15 |
| JPH0376525B2 true JPH0376525B2 (en) | 1991-12-05 |
Family
ID=16320007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19416584A Granted JPS6173215A (en) | 1984-09-17 | 1984-09-17 | Manufacture of chip for magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6173215A (en) |
-
1984
- 1984-09-17 JP JP19416584A patent/JPS6173215A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6173215A (en) | 1986-04-15 |
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