JPS62266722A - 永久磁石型消去ヘツドの製造方法 - Google Patents
永久磁石型消去ヘツドの製造方法Info
- Publication number
- JPS62266722A JPS62266722A JP11000686A JP11000686A JPS62266722A JP S62266722 A JPS62266722 A JP S62266722A JP 11000686 A JP11000686 A JP 11000686A JP 11000686 A JP11000686 A JP 11000686A JP S62266722 A JPS62266722 A JP S62266722A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- erase head
- metallic mold
- erasing head
- mold
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000006247 magnetic powder Substances 0.000 claims description 2
- 230000003746 surface roughness Effects 0.000 claims description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 abstract description 7
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 20
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11000686A JPS62266722A (ja) | 1986-05-14 | 1986-05-14 | 永久磁石型消去ヘツドの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11000686A JPS62266722A (ja) | 1986-05-14 | 1986-05-14 | 永久磁石型消去ヘツドの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62266722A true JPS62266722A (ja) | 1987-11-19 |
| JPH0556564B2 JPH0556564B2 (enrdf_load_stackoverflow) | 1993-08-19 |
Family
ID=14524714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11000686A Granted JPS62266722A (ja) | 1986-05-14 | 1986-05-14 | 永久磁石型消去ヘツドの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62266722A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212609A (ja) * | 1988-06-29 | 1990-01-17 | Matsushita Electric Ind Co Ltd | 永久磁石型消去ヘッドの製造方法 |
-
1986
- 1986-05-14 JP JP11000686A patent/JPS62266722A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212609A (ja) * | 1988-06-29 | 1990-01-17 | Matsushita Electric Ind Co Ltd | 永久磁石型消去ヘッドの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0556564B2 (enrdf_load_stackoverflow) | 1993-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62266722A (ja) | 永久磁石型消去ヘツドの製造方法 | |
| JPS63148406A (ja) | 永久磁石型消去ヘツドの製造法 | |
| JPS63121111A (ja) | 永久磁石型消去ヘツドの製造法 | |
| US3302268A (en) | Method of manufacturing magnetic heads using a jig for accurately determining gap height | |
| JPS6254815A (ja) | 永久磁石消去ヘツドの製造法 | |
| JPS62107421A (ja) | 永久磁石型消去ヘツドの製造方法 | |
| JP2645740B2 (ja) | 磁気ヘッド用フェライトコアの製造方法 | |
| JPS6212907A (ja) | 永久磁石型消去ヘツドの製造方法 | |
| JPH01119912A (ja) | 永久磁石型消去ヘッドの製造方法 | |
| JPS6396709A (ja) | 磁気ヘツドの製造方法 | |
| JP3858993B2 (ja) | 磁気消去ヘッド用フロントコアの製造方法及びその方法で製造された磁気消去ヘッド用フロントコア | |
| JPH0142813Y2 (enrdf_load_stackoverflow) | ||
| JPS5522291A (en) | Manufacture of magnetic head | |
| JPS58175123A (ja) | 磁気ヘツド及びその製造方法 | |
| JPS63152004A (ja) | 磁気ヘツドの製造方法 | |
| JPS6370905A (ja) | 磁気ヘツドの製造方法 | |
| JPS6232524B2 (enrdf_load_stackoverflow) | ||
| JPS6354712A (ja) | プラスチツク磁石の製造方法 | |
| JPH0713045Y2 (ja) | Ｆｄｄヘツド | |
| JP2756173B2 (ja) | 光コネクタとその端面研磨方法 | |
| JPH0260908U (enrdf_load_stackoverflow) | ||
| JPS6246417A (ja) | 永久磁石型消去ヘツドの製造方法 | |
| JPH08255328A (ja) | 磁気ヘッドの製造方法 | |
| JPS5570925A (en) | Manufacture for magnetic head | |
| JPH02301008A (ja) | 磁気ヘッドの製造方法 |