3617826

Information

• Patent Grant
• 3617826

• References
• Source

• Patent Number

  3,617,826

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • H01L29/41708 - Emitter or collector electrodes for bipolar transistors
  • H01L21/28525 - the conductive layers comprising semiconducting material
  • H01L21/8222 - Bipolar technology
  • H01L27/0635 - in combination with bipolar transistors and diodes, or resistors, or capacitors
  • H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
  • H01L29/04 - characterised by their crystalline structure
  • Y10S148/037 - Diffusion-deposition
  • Y10S148/049 - Equivalence and options
  • Y10S148/085 - Isolated-integrated
  • Y10S148/098 - Layer conversion
  • Y10S148/122 - Polycrystalline
  • Y10S148/151 - Simultaneous diffusion
  • Y10S438/969 - Simultaneous formation of monocrystalline and polycrystalline regions

• US Classifications

  • 257 - Active solid-state devices
  • 148 - Metal treatment
  • 438 - Semiconductor device manufacturing: process