JPS539509A - Production of magnetic head - Google Patents
Production of magnetic headInfo
- Publication number
- JPS539509A JPS539509A JP8299676A JP8299676A JPS539509A JP S539509 A JPS539509 A JP S539509A JP 8299676 A JP8299676 A JP 8299676A JP 8299676 A JP8299676 A JP 8299676A JP S539509 A JPS539509 A JP S539509A
- Authority
- JP
- Japan
- Prior art keywords
- production
- magnetic head
- predetermined pitch
- circular grooves
- high speed
- 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
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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Abstract
PURPOSE:To produce high-accuracy video head chips easily and at a high speed by forming circular grooves in a ferrite block with a plurality of super hard wires provided at a predetermined pitch.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8299676A JPS539509A (en) | 1976-07-14 | 1976-07-14 | Production of magnetic head |
US05/752,177 US4110902A (en) | 1975-12-22 | 1976-12-20 | Method for manufacturing a magnetic head for video signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8299676A JPS539509A (en) | 1976-07-14 | 1976-07-14 | Production of magnetic head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS539509A true JPS539509A (en) | 1978-01-28 |
Family
ID=13789824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8299676A Pending JPS539509A (en) | 1975-12-22 | 1976-07-14 | Production of magnetic head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS539509A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011104829A1 (en) | 2010-02-24 | 2011-09-01 | 日本たばこ産業株式会社 | Flavor inhalation pipe |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50820A (en) * | 1973-04-30 | 1975-01-07 |
-
1976
- 1976-07-14 JP JP8299676A patent/JPS539509A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50820A (en) * | 1973-04-30 | 1975-01-07 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011104829A1 (en) | 2010-02-24 | 2011-09-01 | 日本たばこ産業株式会社 | Flavor inhalation pipe |
CN102869403A (en) * | 2010-02-24 | 2013-01-09 | 日本烟草产业株式会社 | Flavor inhalation pipe |
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