GB1251768A - - Google Patents

Info

Publication number
GB1251768A
GB1251768A GB1251768DA GB1251768A GB 1251768 A GB1251768 A GB 1251768A GB 1251768D A GB1251768D A GB 1251768DA GB 1251768 A GB1251768 A GB 1251768A
Authority
GB
United Kingdom
Prior art keywords
region
type
resistor
epitaxial layer
layer
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.)
Expired
Application number
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 filed Critical
Publication of GB1251768A publication Critical patent/GB1251768A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
    • H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
    • H01L27/0611—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
    • H01L27/0641—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region without components of the field effect type
    • H01L27/0647—Bipolar transistors in combination with diodes, or capacitors, or resistors, e.g. vertical bipolar transistor and bipolar lateral transistor and resistor
    • H01L27/0652—Vertical bipolar transistor in combination with diodes, or capacitors, or resistors
    • H01L27/0658—Vertical bipolar transistor in combination with resistors or capacitors

Landscapes

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

Abstract

1,251,768. Integrated circuits. INTERNATIONAL BUSINESS MACHINES CORP. 3 June, 1970 [30 June, 1969], No. 26715/70. Heading H1K. In an integrated circuit an isolation wall surrounds part of an epitaxial layer within which is formed a resistor region of the same conductivity type but of lower resistivity. The resistivity of the resistor region is preferably one or more orders of magnitude greater than that of the epitaxial region. An I.C. containing an NPN transistor and a resistor, Fig. 2E, is produced by diffusing P into a P-type Si wafer doped with B to form two N<SP>+</SP>- type regions (15, 16) and epitaxially depositing a layer of P-type Si on the wafer during which the N<SP>+</SP>-type regions diffuse into the epitaxial layer to form buried regions 15A, 16A. P or As is diffused into the epitaxial layer to form N+ -type transistor collector region 23 and resistor isolation wall 19. B is then diffused-in to form the base region 22 of the transistor and simultaneously or subsequently diffusing B into the part 25 of the epitaxial layer surrounded by wall 19 to form P<SP>+</SP>-type resistor region 24. An N<SP>+</SP>-type emitter region 30 is then formed in the region 22, a passivating layer 32 is formed e.g. by thermal oxidation and contacts 33 to 37 are formed.
GB1251768D 1969-06-30 1970-06-03 Expired GB1251768A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83781969A 1969-06-30 1969-06-30

Publications (1)

Publication Number Publication Date
GB1251768A true GB1251768A (en) 1971-10-27

Family

ID=25275524

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1251768D Expired GB1251768A (en) 1969-06-30 1970-06-03

Country Status (9)

Country Link
AU (1) AU1615970A (en)
BE (1) BE752726A (en)
CH (1) CH503375A (en)
DE (1) DE2030505B2 (en)
ES (1) ES380362A1 (en)
FR (1) FR2052382A5 (en)
GB (1) GB1251768A (en)
NL (1) NL7009241A (en)
SE (1) SE350876B (en)

Also Published As

Publication number Publication date
NL7009241A (en) 1971-01-04
BE752726A (en) 1970-12-30
FR2052382A5 (en) 1971-04-09
AU1615970A (en) 1971-12-16
DE2030505B2 (en) 1973-10-04
CH503375A (en) 1971-02-15
ES380362A1 (en) 1972-11-16
SE350876B (en) 1972-11-06
DE2030505A1 (en) 1971-01-14

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees