3556628

Information

• Patent Grant
• 3556628

• References
• Source

• Patent Number

  3,556,628

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1971
  54 years ago

• CPC

  • G03H1/34 - Systems for reducing the space-spatial bandwidth product
  • G03H1/202 - Contact copy when the reconstruction beam for the master H1 also serves as reference beam for the copy H2
  • G03H2223/12 - Amplitude mask
  • Y10S359/90 - Methods

• US Classifications

  • 359 - Optical: systems and elements