DE3544883C2 - - Google Patents

Info

Publication number
DE3544883C2
DE3544883C2 DE19853544883 DE3544883A DE3544883C2 DE 3544883 C2 DE3544883 C2 DE 3544883C2 DE 19853544883 DE19853544883 DE 19853544883 DE 3544883 A DE3544883 A DE 3544883A DE 3544883 C2 DE3544883 C2 DE 3544883C2
Authority
DE
Germany
Prior art keywords
magnetic
leg
saturation magnetization
layer
gap
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 - Fee Related
Application number
DE19853544883
Other languages
German (de)
English (en)
Other versions
DE3544883A1 (de
Inventor
Hermann 8000 Muenchen De Raith
Herbert Dr. 8522 Herzogenaurach De Schewe
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to DE19853544883 priority Critical patent/DE3544883A1/de
Publication of DE3544883A1 publication Critical patent/DE3544883A1/de
Application granted granted Critical
Publication of DE3544883C2 publication Critical patent/DE3544883C2/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
    • G11B5/31—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
    • G11B5/3146—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers
    • G11B5/3153—Disposition of layers including additional layers for improving the electromagnetic transducing properties of the basic structure, e.g. for flux coupling, guiding or shielding magnetic layers including at least one magnetic thin film coupled by interfacing to the basic magnetic thin film structure
    • 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
    • G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
    • 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
    • G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
    • G11B5/2452—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track where the dimensions of the effective gap are controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Heads (AREA)
DE19853544883 1985-12-18 1985-12-18 Duennfilm-magnetkopf zur senkrechten magnetisierung eines entsprechenden aufzeichnungsmediums Granted DE3544883A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853544883 DE3544883A1 (de) 1985-12-18 1985-12-18 Duennfilm-magnetkopf zur senkrechten magnetisierung eines entsprechenden aufzeichnungsmediums

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853544883 DE3544883A1 (de) 1985-12-18 1985-12-18 Duennfilm-magnetkopf zur senkrechten magnetisierung eines entsprechenden aufzeichnungsmediums

Publications (2)

Publication Number Publication Date
DE3544883A1 DE3544883A1 (de) 1987-06-19
DE3544883C2 true DE3544883C2 (fr) 1990-12-06

Family

ID=6288816

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853544883 Granted DE3544883A1 (de) 1985-12-18 1985-12-18 Duennfilm-magnetkopf zur senkrechten magnetisierung eines entsprechenden aufzeichnungsmediums

Country Status (1)

Country Link
DE (1) DE3544883A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735148A1 (de) * 1987-10-16 1989-05-03 Siemens Ag Duennfilm-magnetkopf mit schichtweisem aufbau
WO2003060883A1 (fr) * 2002-01-08 2003-07-24 Seagate Technology Llc Materiau d'induction de faible saturation pour pole d'ecriture de tete d'enregistrement magnetique
WO2003096327A2 (fr) * 2002-05-13 2003-11-20 Chitra Seshan Tete d'enregistrement magnetique
US7595959B2 (en) 2005-06-29 2009-09-29 Seagate Technology Llc Recording heads including a magnetically damped write pole and recording systems including such heads

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219854A (en) * 1978-12-21 1980-08-26 International Business Machines Corporation Thin film magnetic head assembly

Also Published As

Publication number Publication date
DE3544883A1 (de) 1987-06-19

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8320 Willingness to grant licenses declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee