3438810

Information

• Patent Grant
• 3438810

• References
• Source

• Patent Number

  3,438,810

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1969
  55 years ago

• CPC

  • C01B33/02 - Silicon
  • H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • Y10S148/041 - Doping control in crystal growth
  • Y10S148/051 - Etching
  • Y10S148/071 - Heating, selective
  • Y10S148/12 - Photocathodes-Cs coated and solar cell
  • Y10S148/134 - Remelt
  • Y10T428/2956 - Glass or silicic fiber or filament with metal coating
  • Y10T428/298 - Physical dimension

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 148 - Metal treatment
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 423 - Chemistry of inorganic compounds
  • 427 - Coating processes
  • 438 - Semiconductor device manufacturing: process