2501126

Information

• Patent Grant
• 2501126

• References
• Source

• Patent Number

  2,501,126

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1950
  74 years ago

• CPC

  • G11B5/74 - Record carriers characterised by the form
  • B82Y10/00 - Nano-technology for information processing, storage or transmission
  • G11B5/743 - Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands
  • G11B5/82 - Disc carriers
  • Y10S29/028 - Magnetic recording digest
  • Y10S428/926 - Thickness of individual layer specified
  • Y10S428/928 - Magnetic property
  • Y10T29/49577 - Phonograph component making
  • Y10T428/12083 - Nonmetal in particulate component
  • Y10T428/12389 - having variation in thickness
  • Y10T428/12799 - Next to Fe-base component [e.g., galvanized]
  • Y10T428/12986 - Adjacent functionally defined components

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 029 - Metal working
  • 360 - Dynamic magnetic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER