Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
  • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
  • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
  • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
  • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
  • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
  • H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
  • H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
  • H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
• • H—ELECTRICITY
  • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
  • H10D99/00—Subject matter not provided for in other groups of this subclass

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• General Physics & Mathematics (AREA)
• Manufacturing & Machinery (AREA)
• Computer Hardware Design (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Power Engineering (AREA)
• Bipolar Transistors (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5770606

Family Applications (1)

Country Status (7)

Families Citing this family (1)

Family Cites Families (2)

• 1970
  • 1970-05-08 DE DE19702022551 patent/DE2022551A1/de active Pending
• 1971
  • 1971-04-07 CH CH510471A patent/CH521668A/de not_active IP Right Cessation
  • 1971-04-22 AT AT348471A patent/AT334978B/de not_active IP Right Cessation
  • 1971-05-07 FR FR7116553A patent/FR2088436B1/fr not_active Expired
  • 1971-05-07 NL NL7106312A patent/NL7106312A/xx unknown
  • 1971-05-07 GB GB1366571*[A patent/GB1309228A/en not_active Expired
  • 1971-05-10 SE SE06055/71A patent/SE360217B/xx unknown

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