JPS54127683A - Planar-type transistor - Google Patents

Planar-type transistor

Info

Publication number
JPS54127683A
JPS54127683A JP3624078A JP3624078A JPS54127683A JP S54127683 A JPS54127683 A JP S54127683A JP 3624078 A JP3624078 A JP 3624078A JP 3624078 A JP3624078 A JP 3624078A JP S54127683 A JPS54127683 A JP S54127683A
Authority
JP
Japan
Prior art keywords
layer
type
planar
emitter
resistance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3624078A
Other languages
Japanese (ja)
Inventor
Kunihiro Nakamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3624078A priority Critical patent/JPS54127683A/en
Publication of JPS54127683A publication Critical patent/JPS54127683A/en
Pending legal-status Critical Current

Links

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
    • H01L29/70—Bipolar devices
    • H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
    • H01L29/73—Bipolar junction transistors
    • H01L29/7302—Bipolar junction transistors structurally associated with other devices
    • H01L29/7304—Bipolar junction transistors structurally associated with other devices the device being a resistive element, e.g. ballasting resistor

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)

Abstract

PURPOSE:To obtain a highly reliable planar-type transistor for high voltage and high frequency use by forming the diffusion resistance, layer within base layer to be used as the stabilized resistance. CONSTITUTION:N-type isolation layer 12 is provided on the surface part of P-type base layer 2 as if layer 12 surrounded entire emitter layer 3, and N-type diffusion resistance layer 4a of high specific resistance is provided near the outside of layer 12 and in correspondence to each emitter layer. Such planar-type transistor is isolated by isolation layer 12 into 1st NPN transistor comprising emitter layer 3, P-type base layer 2 and N-type semiconductor substrate 1 and 2nd NPN transistor comprising diffusion resistance layer 4a, layer 2 and substrate 1. These 1st and 2nd transistors are connected in parallel via emitter wiring 7.
JP3624078A 1978-03-28 1978-03-28 Planar-type transistor Pending JPS54127683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3624078A JPS54127683A (en) 1978-03-28 1978-03-28 Planar-type transistor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3624078A JPS54127683A (en) 1978-03-28 1978-03-28 Planar-type transistor

Publications (1)

Publication Number Publication Date
JPS54127683A true JPS54127683A (en) 1979-10-03

Family

ID=12464241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3624078A Pending JPS54127683A (en) 1978-03-28 1978-03-28 Planar-type transistor

Country Status (1)

Country Link
JP (1) JPS54127683A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0567631A (en) * 1992-03-10 1993-03-19 Rohm Co Ltd Transistor with self-contained resistor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0567631A (en) * 1992-03-10 1993-03-19 Rohm Co Ltd Transistor with self-contained resistor

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