3481638

Information

• Patent Grant
• 3481638

• References
• Source

• Patent Number

  3,481,638

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1969
  55 years ago

• CPC

  • C04B37/026 - consisting of metals or metal salts
  • C04B35/6365 - Cellulose or derivatives thereof
  • H01J5/26 - between insulating and conductive parts of vessel
  • C04B2235/6567 - Treatment time
  • C04B2235/6582 - Hydrogen containing atmosphere
  • C04B2237/122 - based on refractory metals
  • C04B2237/123 - based on iron group metals
  • C04B2237/124 - based on copper
  • C04B2237/34 - Oxidic
  • C04B2237/343 - Alumina or aluminates
  • C04B2237/406 - Iron
  • C04B2237/62 - Forming laminates or joined articles comprising holes, channels or other types of openings
  • C04B2237/704 - of one or more of the ceramic layers or articles
  • C04B2237/706 - of one or more of the metallic layers or articles
  • C04B2237/72 - Forming laminates or joined articles comprising at least two interlayers directly next to each other
  • C04B2237/76 - Forming laminates or joined articles comprising at least one member in the form other than a sheet or disc
  • C04B2237/88 - Joining of two substrates, where a substantial part of the joining material is present outside of the joint, leading to an outside joining of the joint
  • H01J2893/0041 - Direct connection between insulating and metal elements, in particular via glass material
  • Y10S228/903 - Metal to nonmetal
  • Y10S277/922 - Bonding or joining for manufacture of seal

• US Classifications

  • 228 - Metal fusion bonding
  • 277 - Seal for a joint or juncture
  • 313 - Electric lamp and discharge devices