DE2027082C3 - - Google Patents

Info

Publication number
DE2027082C3
DE2027082C3 DE2027082A DE2027082A DE2027082C3 DE 2027082 C3 DE2027082 C3 DE 2027082C3 DE 2027082 A DE2027082 A DE 2027082A DE 2027082 A DE2027082 A DE 2027082A DE 2027082 C3 DE2027082 C3 DE 2027082C3
Authority
DE
Germany
Prior art keywords
ferrite
magnetic
thickness
scanning
scanning head
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
Application number
DE2027082A
Other languages
German (de)
English (en)
Other versions
DE2027082B2 (de
DE2027082A1 (de
Inventor
Masaru Suita Osaka Doi
Toshio Kyoto Iemura
Yoshiaki Mino Osaka Shimizu
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of DE2027082A1 publication Critical patent/DE2027082A1/de
Publication of DE2027082B2 publication Critical patent/DE2027082B2/de
Application granted granted Critical
Publication of DE2027082C3 publication Critical patent/DE2027082C3/de
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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49034—Treating to affect magnetic properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
  • Soft Magnetic Materials (AREA)
DE19702027082 1969-06-12 1970-06-02 Magnetischer abtastkopf aus einem paar von ferriteinkristallen Granted DE2027082B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44046382A JPS498088B1 (US07902200-20110308-C00004.png) 1969-06-12 1969-06-12

Publications (3)

Publication Number Publication Date
DE2027082A1 DE2027082A1 (de) 1970-12-23
DE2027082B2 DE2027082B2 (de) 1973-07-19
DE2027082C3 true DE2027082C3 (US07902200-20110308-C00004.png) 1974-02-21

Family

ID=12745575

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702027082 Granted DE2027082B2 (de) 1969-06-12 1970-06-02 Magnetischer abtastkopf aus einem paar von ferriteinkristallen

Country Status (4)

Country Link
US (1) US3674944A (US07902200-20110308-C00004.png)
JP (1) JPS498088B1 (US07902200-20110308-C00004.png)
DE (1) DE2027082B2 (US07902200-20110308-C00004.png)
GB (1) GB1307748A (US07902200-20110308-C00004.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810245A (en) * 1971-06-28 1974-05-07 Sony Corp Single crystal ferrite magnetic head
JPS5496012A (en) * 1978-01-13 1979-07-30 Victor Co Of Japan Ltd Magnetic head
JPS55125519A (en) * 1979-03-23 1980-09-27 Hitachi Ltd Magnetic head
NL8200481A (nl) * 1982-02-09 1983-09-01 Philips Nv Magneetkop.
US5312924A (en) 1983-12-30 1994-05-17 Dr. Karl Thomae Gmbh Phenylacetic acid benzylamides
JPS6215397U (US07902200-20110308-C00004.png) * 1985-07-11 1987-01-29
JPH10188212A (ja) * 1996-12-25 1998-07-21 Sony Corp 磁気ヘッド
CN105390227A (zh) * 2015-12-22 2016-03-09 南通华兴磁性材料有限公司 锰锌铁氧体磁芯

Also Published As

Publication number Publication date
GB1307748A (en) 1973-02-21
DE2027082B2 (de) 1973-07-19
US3674944A (en) 1972-07-04
JPS498088B1 (US07902200-20110308-C00004.png) 1974-02-23
DE2027082A1 (de) 1970-12-23

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977