3607466

Information

• Patent Grant
• 3607466

• References
• Source

• Patent Number

  3,607,466

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1971
  53 years ago

• CPC

  • H01L21/8222 - Bipolar technology
  • H01L21/763 - Polycristalline semiconductor regions
  • H01L27/00 - Devices consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate
  • Y10S148/007 - Autodoping
  • Y10S148/051 - Etching
  • Y10S148/054 - Flat sheets-substrates
  • Y10S148/085 - Isolated-integrated
  • Y10S148/122 - Polycrystalline
  • Y10S438/936 - Graded energy gap
  • Y10S438/977 - Thinning or removal of substrate

• US Classifications

  • 438 - Semiconductor device manufacturing: process
  • 148 - Metal treatment
  • 257 - Active solid-state devices
  • 313 - Electric lamp and discharge devices