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
  • H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
  • H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
  • H01L29/76—Unipolar devices, e.g. field effect transistors
  • H01L29/772—Field effect transistors
  • H01L29/78—Field effect transistors with field effect produced by an insulated gate
  • H01L29/7831—Field effect transistors with field effect produced by an insulated gate with multiple gate structure
• • 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
  • 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
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10S438/00—Semiconductor device manufacturing: process
  • Y10S438/942—Masking
  • Y10S438/945—Special, e.g. metal

Landscapes

• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Power Engineering (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• General Physics & Mathematics (AREA)
• Physics & Mathematics (AREA)
• Computer Hardware Design (AREA)
• Ceramic Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Insulated Gate Type Field-Effect Transistor (AREA)
• Bipolar Transistors (AREA)
• Element Separation (AREA)
• Electrodes Of Semiconductors (AREA)
• Junction Field-Effect Transistors (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10487686

Family Applications (1)

Country Status (14)

Families Citing this family (20)

Family Cites Families (5)

• 1968
  • 1968-12-31 GB GB61953/68A patent/GB1244225A/en not_active Expired
• 1969
  • 1969-12-15 ZA ZA698728A patent/ZA698728B/xx unknown
  • 1969-12-23 DK DK683869AA patent/DK125220B/da unknown
  • 1969-12-24 ES ES374906A patent/ES374906A1/es not_active Expired
  • 1969-12-25 NL NL6919463A patent/NL6919463A/xx unknown
  • 1969-12-29 US US888543A patent/US3650019A/en not_active Expired - Lifetime
  • 1969-12-29 BE BE743829D patent/BE743829A/xx unknown
  • 1969-12-29 JP JP44105411A patent/JPS4816034B1/ja active Pending
  • 1969-12-29 BR BR215650/69A patent/BR6915650D0/pt unknown
  • 1969-12-29 SE SE17986/69A patent/SE347392B/xx unknown
  • 1969-12-29 CH CH1934069A patent/CH514935A/de not_active IP Right Cessation
  • 1969-12-30 DE DE1965799A patent/DE1965799C3/de not_active Expired
  • 1969-12-30 AT AT1211869A patent/AT311420B/de not_active IP Right Cessation
  • 1969-12-30 FR FR6945393A patent/FR2027452B1/fr not_active Expired

Also Published As

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