3841930

Information

• Patent Grant
• 3841930

• References
• Source

• Patent Number

  3,841,930

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • H01L21/3081 - characterised by their composition
  • H01J9/233 - Manufacture of photo-electric screens or charge-storage screens
  • H01J29/455 - formed on a silicon substrate
  • H01L27/00 - Devices consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate
  • Y10S438/942 - Masking
  • Y10S438/977 - Thinning or removal of substrate

• US Classifications

  • 216 - Etching a substrate: processes
  • 257 - Active solid-state devices
  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 438 - Semiconductor device manufacturing: process