JPS647308A - Magnetic head - Google Patents

Magnetic head

Info

Publication number: JPS647308A
Authority: JP; Japan
Prior art keywords: gap; head; thin; magnetic; magnetic permeability
Prior art date: 1987-02-23
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

Application number

JP31743087A

Other languages

English (en)

Inventor

Yoshimi Kikuchi

Kazuyasu Kaneko

Masanori Yamaoka

Masamitsu Kubonai

Yuji Fujita

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nidec Instruments Corp

Original Assignee

Sankyo Seiki Manufacturing Co Ltd

Priority date (The priority date 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 date listed.)

1987-02-23

Filing date

1987-12-17

Publication date

1989-01-11

1987-12-17 Application filed by Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd

1987-12-17 Priority to JP31743087A priority Critical patent/JPS647308A/ja

1989-01-11 Publication of JPS647308A publication Critical patent/JPS647308A/ja

Status Pending legal-status Critical Current

Links

230000005291 magnetic effect Effects 0.000 title abstract 7
230000005294 ferromagnetic effect Effects 0.000 abstract 3
239000010408 film Substances 0.000 abstract 3
230000035699 permeability Effects 0.000 abstract 3
239000010409 thin film Substances 0.000 abstract 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
229910045601 alloy Inorganic materials 0.000 abstract 1
239000000956 alloy Substances 0.000 abstract 1
239000000919 ceramic Substances 0.000 abstract 1
229910052681 coesite Inorganic materials 0.000 abstract 1
229910052906 cristobalite Inorganic materials 0.000 abstract 1
239000013078 crystal Substances 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
239000002184 metal Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
230000003252 repetitive effect Effects 0.000 abstract 1
229910000702 sendust Inorganic materials 0.000 abstract 1
239000000377 silicon dioxide Substances 0.000 abstract 1
235000012239 silicon dioxide Nutrition 0.000 abstract 1
238000004544 sputter deposition Methods 0.000 abstract 1
229910052682 stishovite Inorganic materials 0.000 abstract 1
239000000758 substrate Substances 0.000 abstract 1
229910052905 tridymite Inorganic materials 0.000 abstract 1
238000007666 vacuum forming Methods 0.000 abstract 1
229910000859 α-Fe Inorganic materials 0.000 abstract 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3109—Details
- G11B5/313—Disposition of layers
- G11B5/3143—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)

JP31743087A 1987-02-23 1987-12-17 Magnetic head Pending JPS647308A (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP31743087A JPS647308A (en)	1987-02-23	1987-12-17	Magnetic head

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3786187		1987-02-23
JP31743087A JPS647308A (en)	1987-02-23	1987-12-17	Magnetic head

Publications (1)

Publication Number	Publication Date
JPS647308A true JPS647308A (en)	1989-01-11

Family

ID=26377018

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP31743087A Pending JPS647308A (en)	1987-02-23	1987-12-17	Magnetic head

Country Status (1)

Country	Link
JP (1)	JPS647308A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02276012A (ja) *	1989-01-13	1990-11-09	Sanyo Electric Co Ltd	磁気ヘッド
JPH07110915A (ja) *	1993-10-15	1995-04-25	Nec Kansai Ltd	磁気ヘッド及び磁気ヘッド構体

1987
- 1987-12-17 JP JP31743087A patent/JPS647308A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH02276012A (ja) *	1989-01-13	1990-11-09	Sanyo Electric Co Ltd	磁気ヘッド
JPH07110915A (ja) *	1993-10-15	1995-04-25	Nec Kansai Ltd	磁気ヘッド及び磁気ヘッド構体

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