JPS62158611U - - Google Patents
Info
- Publication number
- JPS62158611U JPS62158611U JP4491086U JP4491086U JPS62158611U JP S62158611 U JPS62158611 U JP S62158611U JP 4491086 U JP4491086 U JP 4491086U JP 4491086 U JP4491086 U JP 4491086U JP S62158611 U JPS62158611 U JP S62158611U
- Authority
- JP
- Japan
- Prior art keywords
- weight
- magnetic head
- ferrite core
- na2o1
- al2o3
- 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
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910052681 coesite Inorganic materials 0.000 claims 1
- 229910052593 corundum Inorganic materials 0.000 claims 1
- 229910052906 cristobalite Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 235000012239 silicon dioxide Nutrition 0.000 claims 1
- 229910052682 stishovite Inorganic materials 0.000 claims 1
- 229910052905 tridymite Inorganic materials 0.000 claims 1
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Joining Of Glass To Other Materials (AREA)
- Glass Compositions (AREA)
- Magnetic Heads (AREA)
Description
第１図は本考案の一実施例のＦＤＤ磁気ヘツド
の概略図で、ａは磁気ヘツド全体図、ｂはヘツド
チツプ概略図、第２図はボンデイング温度と気泡
発生率との関係図、第３図にはボンデイング温度
とアシンメトリーとの関係図、第４図には本考案
を適用した磁気ヘツドの加工不良率を示した説明
図である。
１…充填ガラス、２…フエライトコア、３…ス
ライダー材、４…センターセラミツクス、５…Ｓ
ｉＳｉＯ２膜。
FIG. 1 is a schematic diagram of an FDD magnetic head according to an embodiment of the present invention, in which a is an overall diagram of the magnetic head, b is a schematic diagram of the head chip, FIG. 2 is a diagram of the relationship between bonding temperature and bubble generation rate, and FIG. 4 is a diagram showing the relationship between bonding temperature and asymmetry, and FIG. 4 is an explanatory diagram showing the machining defect rate of a magnetic head to which the present invention is applied. 1... Filled glass, 2... Ferrite core, 3... Slider material, 4... Center ceramics, 5... S
iSiO2 film.
Claims (1)
トコアからなる磁気ヘツドにおいて、フエライト
コアを、ＰｂＯ６８〜７２重量％、ＳｉＯ２８〜
１６重量％Ｂ２Ｏ３６〜１０重量％、Ａｌ２Ｏ３
２〜７重量％、ＺｎＯ１〜４重量％、Ｎａ２Ｏ１
〜２重量％の組成を有する充填ガラスにより補強
してなることを特徴とする磁気ヘツド。 In a magnetic head comprising a ferrite core and equipped with a recording, reproducing and erasing head, the ferrite core is composed of 68 to 72% by weight of PbO and 8 to 8% of SiO2.
16% by weight B2O3 6-10% by weight , Al2O3
2-7% by weight, ZnO 1-4% by weight, Na2O1
A magnetic head characterized in that it is reinforced with filled glass having a composition of ~2% by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4491086U JPS62158611U (en) | 1986-03-28 | 1986-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4491086U JPS62158611U (en) | 1986-03-28 | 1986-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62158611U true JPS62158611U (en) | 1987-10-08 |
Family
ID=30863165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4491086U Pending JPS62158611U (en) | 1986-03-28 | 1986-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62158611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001003128A1 (en) * | 1999-07-02 | 2001-01-11 | Matsushita Electric Industrial Co., Ltd. | Sealing glass for magnetic head and magnetic head using the same |
-
1986
- 1986-03-28 JP JP4491086U patent/JPS62158611U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001003128A1 (en) * | 1999-07-02 | 2001-01-11 | Matsushita Electric Industrial Co., Ltd. | Sealing glass for magnetic head and magnetic head using the same |
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