3582330

Information

• Patent Grant
• 3582330

• References
• Source

• Patent Number

  3,582,330

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  54 years ago

• CPC

  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/308 - using masks
  • Y10S148/102 - Mask alignment
  • Y10S148/106 - Masks, special
  • Y10S430/152 - Making camera copy
  • Y10S438/942 - Masking

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 148 - Metal treatment
  • 430 - Radiation imagery chemistry: process, composition, or product thereof