3615466

Information

• Patent Grant
• 3615466

• References
• Source

• Patent Number

  3,615,466

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1971
  53 years ago

• CPC

  • H01L21/32 - using masks
  • D06F15/00 - Washing machines having beating, rubbing or squeezing means in receptacles stationary for washing purposes
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/82 - to produce devices
  • Y10S438/942 - Masking

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 365 - Static information storage and retrieval
  • 438 - Semiconductor device manufacturing: process