JPS57133515A - Production of magnetic head core - Google Patents

Production of magnetic head core

Info

Publication number
JPS57133515A
JPS57133515A JP1724781A JP1724781A JPS57133515A JP S57133515 A JPS57133515 A JP S57133515A JP 1724781 A JP1724781 A JP 1724781A JP 1724781 A JP1724781 A JP 1724781A JP S57133515 A JPS57133515 A JP S57133515A
Authority
JP
Japan
Prior art keywords
groove
glass
melt
layers
sticking
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
Application number
JP1724781A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0152808B2 (de
Inventor
Toshiaki Wada
Yoshiaki Katsuyama
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 Metals Ltd
Original Assignee
Sumitomo Special Metals 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.)
Filing date
Publication date
Application filed by Sumitomo Special Metals Co Ltd filed Critical Sumitomo Special Metals Co Ltd
Priority to JP1724781A priority Critical patent/JPS57133515A/ja
Publication of JPS57133515A publication Critical patent/JPS57133515A/ja
Publication of JPH0152808B2 publication Critical patent/JPH0152808B2/ja
Granted legal-status Critical Current

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
    • G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
    • G11B5/1335—Assembling or shaping of elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP1724781A 1981-02-06 1981-02-06 Production of magnetic head core Granted JPS57133515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1724781A JPS57133515A (en) 1981-02-06 1981-02-06 Production of magnetic head core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1724781A JPS57133515A (en) 1981-02-06 1981-02-06 Production of magnetic head core

Publications (2)

Publication Number Publication Date
JPS57133515A true JPS57133515A (en) 1982-08-18
JPH0152808B2 JPH0152808B2 (de) 1989-11-10

Family

ID=11938615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1724781A Granted JPS57133515A (en) 1981-02-06 1981-02-06 Production of magnetic head core

Country Status (1)

Country Link
JP (1) JPS57133515A (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211317A (ja) * 1982-05-19 1983-12-08 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 磁気ヘツド及びその製造方法
JPS59193516A (ja) * 1983-04-19 1984-11-02 Pioneer Electronic Corp 磁気ヘツド
JPS59231714A (ja) * 1983-06-13 1984-12-26 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS6083205A (ja) * 1983-10-12 1985-05-11 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS60231905A (ja) * 1984-04-30 1985-11-18 Nec Kansai Ltd 磁気ヘツドの製造方法
JPS61104309A (ja) * 1984-10-24 1986-05-22 Canon Electronics Inc 磁気ヘツドの製造方法
JPS61190704A (ja) * 1985-02-20 1986-08-25 Mitsubishi Electric Corp 磁気ヘツドの製造方法
JPH02187905A (ja) * 1989-01-17 1990-07-24 Victor Co Of Japan Ltd 磁気ヘッドとその製造方法
US5267113A (en) * 1990-09-13 1993-11-30 Minebea Co., Ltd. Magnetic head

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108409A (en) * 1977-03-03 1978-09-21 Matsushita Electric Ind Co Ltd Magnetic head and preparation thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108409A (en) * 1977-03-03 1978-09-21 Matsushita Electric Ind Co Ltd Magnetic head and preparation thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58211317A (ja) * 1982-05-19 1983-12-08 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 磁気ヘツド及びその製造方法
JPS59193516A (ja) * 1983-04-19 1984-11-02 Pioneer Electronic Corp 磁気ヘツド
JPS59231714A (ja) * 1983-06-13 1984-12-26 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS6083205A (ja) * 1983-10-12 1985-05-11 Matsushita Electric Ind Co Ltd 磁気ヘツド
JPS60231905A (ja) * 1984-04-30 1985-11-18 Nec Kansai Ltd 磁気ヘツドの製造方法
JPS61104309A (ja) * 1984-10-24 1986-05-22 Canon Electronics Inc 磁気ヘツドの製造方法
JPS61190704A (ja) * 1985-02-20 1986-08-25 Mitsubishi Electric Corp 磁気ヘツドの製造方法
JPH02187905A (ja) * 1989-01-17 1990-07-24 Victor Co Of Japan Ltd 磁気ヘッドとその製造方法
US5267113A (en) * 1990-09-13 1993-11-30 Minebea Co., Ltd. Magnetic head

Also Published As

Publication number Publication date
JPH0152808B2 (de) 1989-11-10

Similar Documents

Publication Publication Date Title
JPS57133515A (en) Production of magnetic head core
KR930021829A (ko) 금속박 제조용 드럼형 음극체 및 그 제조방법
JPS57133516A (en) Production of magnetic head core
KR860005642A (ko) 경기용 라켓 프레임 및 그의 성형방법
DK559489D0 (da) Fremgangsmaade til fremstilling af metalmatrixkompositprodukter
JPS5738331A (en) Manufacture of base material for multicore fiber
JPS55100233A (en) Production of optical fiber base material
JPS5624306A (en) Production of optical fiber having elliptical core
JPS5621876A (en) Thermal head and its manufacturing method
JPS5389751A (en) Optical fiber end part and its production
JPS57132308A (en) Iron core for closed magnetic path type ignition coil
JPS5570928A (en) Manufacture for magnetic head
JPS5482220A (en) Production of magnetic head
EP0228079A3 (de) Verfahren zur Herstellung von faserverstärktem Metall
JPS5614441A (en) Manufacture of optical fiber base material
JPS5758218A (en) Manufacture of magnetic head
JPS5727415A (en) Production of magnetic core
JPS57186225A (en) Manufacture for magnetic head
JPS57210417A (en) Magnetic head
JPS5555422A (en) Production of magnetic head
JPS5626689A (en) Production for low-melting point metal composite string
JPS5622208A (en) Magnetic gap producing method for magnetic head core
JPS5726412A (en) Magnetic core
JPS5720412A (en) Magnetic head
JPS57172527A (en) Manufacture of magnetic head