3903527

Information

• Patent Grant
• 3903527

• References
• Source

• Patent Number

  3,903,527

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • G06K15/225 - using optical plotters
  • H05K3/0082 - characterised by the exposure method of radiation-sensitive masks

• US Classifications

  • 396 - Photography