JPS55113123A - Manufacture of magnetic head - Google Patents

Manufacture of magnetic head

Info

Publication number
JPS55113123A
JPS55113123A JP2081279A JP2081279A JPS55113123A JP S55113123 A JPS55113123 A JP S55113123A JP 2081279 A JP2081279 A JP 2081279A JP 2081279 A JP2081279 A JP 2081279A JP S55113123 A JPS55113123 A JP S55113123A
Authority
JP
Japan
Prior art keywords
glass
parts
softening point
low
track width
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
Application number
JP2081279A
Other languages
Japanese (ja)
Inventor
Shoichi Iwanaga
Shinichi Komatsu
Nobuyuki Sugishita
Katsuo Abe
Kaoru Hashimoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2081279A priority Critical patent/JPS55113123A/en
Publication of JPS55113123A publication Critical patent/JPS55113123A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent defective adhesion, breakaway, etc., caused by bubbles generated in filling gas, by combinationally using glass low in softening degree and high glass in glass adhesion and charging processes for core blocks constituting a magnetic head.
CONSTITUTION: In one head core block 9, notch grooves 11 for limiting track width parts 10 and groove 12 for a winding window are provided and non-magnetic layer 13 for obtaining gap width is formed. In the other block 6, notch parts 8 are made leaving track width 7 at one ridge part. Next, blocks 6 and 9 are butted with track width parts down and on graphite receptacle 15, filling glass bars, one for glass 14 low in softening point and the other for glass 16 low in softening point, are both placed. A difference in softening point should be from 50W100°C. The diameter ratio of glass bar 14W16 is preferably 2:1. As a result, glass bar 16 fuses by heating to wet a bonded surface first and as the temperature rises, bubbles in the void between the bonded surface and glass are removed; and the temperature further rises and when glass 14 also fuses, both glass parts are made into one, thereby finishing filling.
COPYRIGHT: (C)1980,JPO&Japio
JP2081279A 1979-02-26 1979-02-26 Manufacture of magnetic head Pending JPS55113123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2081279A JPS55113123A (en) 1979-02-26 1979-02-26 Manufacture of magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2081279A JPS55113123A (en) 1979-02-26 1979-02-26 Manufacture of magnetic head

Publications (1)

Publication Number Publication Date
JPS55113123A true JPS55113123A (en) 1980-09-01

Family

ID=12037442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2081279A Pending JPS55113123A (en) 1979-02-26 1979-02-26 Manufacture of magnetic head

Country Status (1)

Country Link
JP (1) JPS55113123A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539109A (en) * 1976-07-12 1978-01-27 Sanyo Electric Co Ltd Production of magnetic head

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539109A (en) * 1976-07-12 1978-01-27 Sanyo Electric Co Ltd Production of magnetic head

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