JPS6254815A - Manufacture of permanent magnet erasure head - Google Patents
Manufacture of permanent magnet erasure headInfo
- Publication number
- JPS6254815A JPS6254815A JP19441885A JP19441885A JPS6254815A JP S6254815 A JPS6254815 A JP S6254815A JP 19441885 A JP19441885 A JP 19441885A JP 19441885 A JP19441885 A JP 19441885A JP S6254815 A JPS6254815 A JP S6254815A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- head
- tape sliding
- manufacture
- magnet
- 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
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は磁気記録再生装置に利用される永久磁石材に着
磁を施してなる永久磁石消去ヘッドの製造法に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method of manufacturing a permanent magnet erasing head, which is made by magnetizing a permanent magnet material used in a magnetic recording/reproducing device.
従来の技術
永久磁石消去ヘッドを製造する場合には、第５図〜第８
図に示すように、ブロック状の永久磁石材１を破線２で
示すように切断し、第６図の３で示すようなチップ状に
し、樹脂製のケース４に挿入・接着し、第７図に示すよ
うな構成物にし、テープ摺動面６を研磨して第８図に示
すような消去ヘッドの形状に仕上げ、着磁して完成品と
していた。When manufacturing a conventional permanent magnet erase head, the steps shown in FIGS.
As shown in the figure, a block-shaped permanent magnet material 1 is cut as shown by the broken line 2 to form a chip as shown by 3 in Fig. 6, and then inserted and glued into a resin case 4, as shown in Fig. 7. The tape sliding surface 6 was polished into the shape of an erasing head as shown in FIG. 8, and magnetized to produce a finished product.
発明が解決しようとする問題点
上述した永久磁石消去ヘッドの製造法では、第７図に示
した状態から第８図に示す状態にするテープ摺動面５の
研磨に多大の時間を費やすため、コスト高になっていた
。それは、従来の方法ではブロック状の永久磁石材を切
断してチップ状にする為、不要な部分（チップ３のコー
ナ一部３ａ）がどうしてもできてしまい、研磨しにくい
永久磁石部分を余分に研磨しなければならないことに由
来していた。Problems to be Solved by the Invention In the method of manufacturing the permanent magnet erase head described above, a large amount of time is spent polishing the tape sliding surface 5 from the state shown in FIG. 7 to the state shown in FIG. The cost was getting high. The reason is that in the conventional method, a block-shaped permanent magnet material is cut into chips, so unnecessary parts (corner part 3a of chip 3) are inevitably created, and the permanent magnet parts that are difficult to polish are redundantly polished. It came from something that had to be done.
本発明は以上のような従来の欠点を除去するものであり
、安価な永久磁石消去ヘッドの製造法を提供しようとす
るものである。The present invention seeks to eliminate the above-mentioned drawbacks of the prior art and to provide an inexpensive method of manufacturing a permanent magnet erase head.
問題点を解決するだめの手段
上述した問題点を解決するための本発明の手段は、永久
磁石消去ヘッドに用いる磁気異方性を有する磁石部分の
テープ摺動面を曲面状に成形し、これ全ケースに組合せ
ることを特徴とするものである。Means for Solving the Problems The means of the present invention for solving the above-mentioned problems is to mold the tape sliding surface of the magnet portion having magnetic anisotropy used in a permanent magnet erasing head into a curved shape. The feature is that it can be combined in all cases.
作 用
上述した手段を講することにより、チップコーナ一部と
研磨する時間を大＠ＶＣ短縮することが可能になる。Effect: By taking the above-mentioned measures, it is possible to significantly shorten the time required for polishing a part of the chip corner.
実施例
以下本発明を図面により詳細に説明する。第１図〜第４
図は本発明の一実施例における永久磁石消去ヘッドの製
造方法を示すものである。第２図において、６はテープ
摺動面方向に磁気異方性を有し、曲面状に成形されたス
トロンチウムフェライトマグネットよりなる磁性材、７
は切断線を示す。第３図はチップ状に切断されたヘッド
コア８を示す。第１図はその完成図を示し、ケース９に
ヘッドコア８を収納した状態で、１ｏはテープ摺動面全
示している。EXAMPLES The present invention will be explained in detail below with reference to the drawings. Figures 1 to 4
The figure shows a method of manufacturing a permanent magnet erase head in one embodiment of the present invention. In FIG. 2, reference numeral 6 indicates a magnetic material made of a strontium ferrite magnet having magnetic anisotropy in the direction of the tape sliding surface and formed into a curved shape;
indicates the cutting line. FIG. 3 shows the head core 8 cut into chips. FIG. 1 shows the completed drawing, with the head core 8 housed in the case 9, and 1o showing the entire tape sliding surface.
以下に従来例に示した第４図〜第８図のものと比較した
結果を示す。（ここでは、研磨に関する付帯作業をも含
めた時間のみの比較を行う。）（注）■ ヘッド数５０
個を１単位とするバッチ作業時間
■ 研磨用砥石：＃６０［＋を使用
まだ、第１図に示すように、当初からヘッドコア状に成
形されたものを用いても同様の結果が得られた。更に、
第４図に示したように、第２図で示したものの連結した
成形品でも同様の結果が得られた。The results of comparison with the conventional example shown in FIGS. 4 to 8 are shown below. (Here, we will compare only the time including the incidental work related to polishing.) (Note) ■ Number of heads 50
Batch work time with each piece as one unit ■ Polishing whetstone: #60 [+] was used. However, as shown in Figure 1, similar results were obtained by using a head core-shaped one from the beginning. . Furthermore,
As shown in FIG. 4, similar results were obtained with the connected molded product shown in FIG.
また、磁石材として樹脂マグネソ）？使用しても同様の
結果が得られた。Also, can resin magneto be used as a magnet material? Similar results were obtained using
発明の効果
以上のように、本発明の永久磁石消去ヘッドの製造法は
、従来の方法に比べて研磨工程の時間全短縮でき、磁石
材の無駄もなくなシ、大幅なコストダウンが図れ、その
効果は非常に犬なるものである。Effects of the Invention As described above, the method for manufacturing a permanent magnet erase head of the present invention can shorten the entire polishing process time compared to conventional methods, eliminate waste of magnet material, and significantly reduce costs. The effect is very canine.
第１図〜第４図は本発明の永久磁石消去ヘッド製造法の
実施例を示す説明図、第１図〜第４図は従来の永久磁石
消去ヘッドの製造法を示す説明図である。
６・・・・・・磁性材、７・・・・・・切＠線、８・・
・・・・ヘッドコア、９ ・・・・ケース、１ｏ・・・
・・・テープ摺動面。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第６
図1 to 4 are explanatory diagrams showing an embodiment of the method for manufacturing a permanent magnet erase head of the present invention, and FIGS. 1 to 4 are explanatory diagrams showing a conventional method for manufacturing a permanent magnet erase head. 6...Magnetic material, 7...Cut @ wire, 8...
...Head core, 9 ...Case, 1o...
... Tape sliding surface. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 6
figure
Claims (1)
のテープ摺動面をあらかじめ曲面状に成形したヘッドコ
アをケースと組み合せてヘッドとすることを特徴とする
永久磁石消去ヘッドの製造法。A method for manufacturing a permanent magnet erase head, characterized in that a head core is formed by forming a tape sliding surface of a magnetic material having magnetic anisotropy into a curved shape in advance and combined with a case to form a head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19441885A JPS6254815A (en) | 1985-09-03 | 1985-09-03 | Manufacture of permanent magnet erasure head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19441885A JPS6254815A (en) | 1985-09-03 | 1985-09-03 | Manufacture of permanent magnet erasure head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6254815A true JPS6254815A (en) | 1987-03-10 |
Family
ID=16324269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19441885A Pending JPS6254815A (en) | 1985-09-03 | 1985-09-03 | Manufacture of permanent magnet erasure head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6254815A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010502214A (en) * | 2006-09-08 | 2010-01-28 | エスモ テクノロジーズ ピーティーイー リミテッド | Device for treating perishable objects or liquids and method for manufacturing the same |
-
1985
- 1985-09-03 JP JP19441885A patent/JPS6254815A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010502214A (en) * | 2006-09-08 | 2010-01-28 | エスモ テクノロジーズ ピーティーイー リミテッド | Device for treating perishable objects or liquids and method for manufacturing the same |
| JP4785091B2 (en) * | 2006-09-08 | 2011-10-05 | エスモ テクノロジーズ ピーティーイー リミテッド | Device for treating perishable objects or liquids and method for manufacturing the same |
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