KR900006067Y1 - 소거 헤드 - Google Patents
소거 헤드 Download PDFInfo
- Publication number
- KR900006067Y1 KR900006067Y1 KR2019840009578U KR840009578U KR900006067Y1 KR 900006067 Y1 KR900006067 Y1 KR 900006067Y1 KR 2019840009578 U KR2019840009578 U KR 2019840009578U KR 840009578 U KR840009578 U KR 840009578U KR 900006067 Y1 KR900006067 Y1 KR 900006067Y1
- Authority
- KR
- South Korea
- Prior art keywords
- gap
- bobbin
- shaped core
- core
- thickness
- 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
- 239000012778 molding material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
-
- 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
- G11B5/17—Construction or disposition of windings
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
Description
Claims (1)
- 성형재로서 이루어진 보빈(6)과 그 보빈(6)에 걸어맞추는 거의 I자형의 코어(2)와, 그 코어(2)가 걸어 맞추어진 보빈(6)을 걸어맞추는 거의 U자형의 코어(4)로서 구성되며, 상기 I자형의 코어(2)와 U자형의 코어(4)에 의하여 복수개의 갬이 형성된 소거헤드에 있어서, 상기 보빈(6)과 일체로 형성된 갭부(6a)에 의해 복수개의 갭이 형성된 것을 특징으로 하는 소거헤드.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP195719(U) | 1983-12-20 | ||
JP1983195719U JPS60102712U (ja) | 1983-12-20 | 1983-12-20 | 消去ヘツド |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850009652U KR850009652U (ko) | 1985-12-05 |
KR900006067Y1 true KR900006067Y1 (ko) | 1990-06-30 |
Family
ID=30420220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019840009578U Expired KR900006067Y1 (ko) | 1983-12-20 | 1984-09-28 | 소거 헤드 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS60102712U (ko) |
KR (1) | KR900006067Y1 (ko) |
-
1983
- 1983-12-20 JP JP1983195719U patent/JPS60102712U/ja active Pending
-
1984
- 1984-09-28 KR KR2019840009578U patent/KR900006067Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR850009652U (ko) | 1985-12-05 |
JPS60102712U (ja) | 1985-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19840928 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19860813 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19840928 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19900531 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19900918 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
|
REGI | Registration of establishment | ||
UR0701 | Registration of establishment |
Patent event date: 19901102 Patent event code: UR07011E01D Comment text: Registration of Establishment |
|
UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19901102 |
|
LAPS | Lapse due to unpaid annual fee | ||
UC1903 | Unpaid annual fee |
Termination date: 19941008 Termination category: Default of registration fee |