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
  • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
• • 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
• • 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
  • G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
• • 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
  • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
  • Y10T29/49037—Using reference point/surface to facilitate measuring
• • 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
  • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Magnetic Heads (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19791414

Family Applications (1)

Country Status (8)

Family Cites Families (2)

• 0
  • BE BE672114D patent/BE672114A/xx unknown
• 1964
  • 1964-11-10 NL NL6413057A patent/NL6413057A/xx unknown
• 1965
  • 1965-11-05 GB GB46997/65A patent/GB1073597A/en not_active Expired
  • 1965-11-06 DK DK572365AA patent/DK118926B/da unknown
  • 1965-11-08 ES ES0319334A patent/ES319334A1/es not_active Expired
  • 1965-11-09 SE SE14447/65A patent/SE330794B/xx unknown
  • 1965-11-09 AT AT1008965A patent/AT267899B/de active
  • 1965-11-10 US US507130A patent/US3395451A/en not_active Expired - Lifetime

Also Published As

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