Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
  • H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
  • H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
  • H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
  • H01L29/1004—Base region of bipolar transistors
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor

Landscapes

• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• Ceramic Engineering (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• General Physics & Mathematics (AREA)
• Computer Hardware Design (AREA)
• Bipolar Transistors (AREA)
• Semiconductor Integrated Circuits (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19819582

Family Applications (1)

Country Status (12)

Families Citing this family (17)

Family Cites Families (1)

• 1973
  • 1973-09-12 NL NL7312547A patent/NL7312547A/xx not_active Application Discontinuation
• 1974
  • 1974-08-29 US US05/501,677 patent/US3977020A/en not_active Expired - Lifetime
  • 1974-09-06 DE DE2442810A patent/DE2442810A1/de active Pending
  • 1974-09-06 AU AU73045/74A patent/AU7304574A/en not_active Expired
  • 1974-09-09 GB GB39304/74A patent/GB1482803A/en not_active Expired
  • 1974-09-09 CA CA208,772A patent/CA1012259A/en not_active Expired
  • 1974-09-09 IT IT27083/74A patent/IT1021200B/it active
  • 1974-09-09 CH CH1224474A patent/CH574166A5/xx not_active IP Right Cessation
  • 1974-09-09 SE SE7411362A patent/SE401966B/xx unknown
  • 1974-09-10 BE BE148388A patent/BE819748A/xx unknown
  • 1974-09-11 FR FR7430718A patent/FR2243524A1/fr not_active Withdrawn
  • 1974-09-12 JP JP49104455A patent/JPS5057386A/ja active Pending

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