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
  • H01L29/40—Electrodes ; Multistep manufacturing processes therefor
  • H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
  • H01L29/435—Resistive materials for field effect devices, e.g. resistive gate for MOSFET or MESFET
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G1/00—Details of arrangements for controlling amplification
  • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
  • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
  • H03G1/007—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using FET type devices
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04S—STEREOPHONIC SYSTEMS 
  • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
  • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Power Engineering (AREA)
• General Physics & Mathematics (AREA)
• Mathematical Optimization (AREA)
• Acoustics & Sound (AREA)
• Computer Hardware Design (AREA)
• Algebra (AREA)
• Mathematical Analysis (AREA)
• Ceramic Engineering (AREA)
• Mathematical Physics (AREA)
• Pure & Applied Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• Signal Processing (AREA)
• Networks Using Active Elements (AREA)
• Control Of Amplification And Gain Control (AREA)
• Stereophonic System (AREA)
• Control Of Electrical Variables (AREA)
• Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
• Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Applications Claiming Priority (1)

Publications (3)

Family

ID=12469375

Family Applications (1)

Country Status (6)

Families Citing this family (12)

Family Cites Families (6)

• 1973
  • 1973-03-29 JP JP3642273A patent/JPS5320343B2/ja not_active Expired
• 1974
  • 1974-03-28 US US05/455,786 patent/US3943286A/en not_active Expired - Lifetime
  • 1974-03-28 GB GB1387874A patent/GB1456113A/en not_active Expired
  • 1974-03-29 NL NLAANVRAGE7404286,A patent/NL177457C/nl not_active IP Right Cessation
  • 1974-03-29 FR FR7411098A patent/FR2223897B1/fr not_active Expired
  • 1974-03-29 DE DE2415364A patent/DE2415364C2/de not_active Expired

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