3647406

Information

• Patent Grant
• 3647406

• References
• Source

• Patent Number

  3,647,406

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • G02B6/3608 - Fibre wiring boards, i.e. where fibres are embedded or attached in a pattern on or to a substrate
  • C03B37/0235 - Thermal treatment of the fibre during the drawing process
  • C03C21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
  • C03C21/002 - to perform ion-exchange between alkali ions
  • C03C21/007 - in gaseous phase
  • C03C25/68 - by etching
  • G02B6/02 - Optical fibre with cladding with or without a coating
  • G02B6/1345 - using ion exchange
  • G02B6/3636 - the mechanical coupling means being grooves
  • C03B2205/54 - After-treatment to remove coolant attached to cooled fibre
  • C03B2205/55 - Cooling or annealing the drawn fibre prior to coating using a series of coolers or heaters
  • G02B6/3624 - Fibre head
  • Y10T428/315 - Surface modified glass [e.g., tempered, strengthened, etc.]

• US Classifications

  • 065 - Glass manufacturing
  • 385 - Optical waveguides
  • 428 - Stock material or miscellaneous articles