IT1128530B - Perfezionamento nelle strutture a semiconduttore ad esempio per transistori e procedimento per la loro fabbricazione - Google Patents

Perfezionamento nelle strutture a semiconduttore ad esempio per transistori e procedimento per la loro fabbricazione

Info

Publication number
IT1128530B
IT1128530B IT48498/80A IT4849880A IT1128530B IT 1128530 B IT1128530 B IT 1128530B IT 48498/80 A IT48498/80 A IT 48498/80A IT 4849880 A IT4849880 A IT 4849880A IT 1128530 B IT1128530 B IT 1128530B
Authority
IT
Italy
Prior art keywords
transistors
improvement
procedure
manufacture
semiconductor structures
Prior art date
Application number
IT48498/80A
Other languages
English (en)
Other versions
IT8048498A0 (it
Inventor
Wolfgang Martin Feist
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of IT8048498A0 publication Critical patent/IT8048498A0/it
Application granted granted Critical
Publication of IT1128530B publication Critical patent/IT1128530B/it

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
    • H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
    • H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
    • H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
    • H01L29/1004—Base region of bipolar transistors
    • 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
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76—Making of isolation regions between components
    • H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
    • H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
    • H01L21/76205—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO in a region being recessed from the surface, e.g. in a recess, groove, tub or trench region
    • H01L21/7621—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO in a region being recessed from the surface, e.g. in a recess, groove, tub or trench region the recessed region having a shape other than rectangular, e.g. rounded or oblique shape
    • 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
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76—Making of isolation regions between components
    • H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
    • H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
    • H01L21/76213—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO introducing electrical inactive or active impurities in the local oxidation region, e.g. to alter LOCOS oxide growth characteristics or for additional isolation purpose
    • H01L21/76216—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO introducing electrical inactive or active impurities in the local oxidation region, e.g. to alter LOCOS oxide growth characteristics or for additional isolation purpose introducing electrical active impurities in the local oxidation region for the sole purpose of creating channel stoppers
    • 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
    • H01L29/737—Hetero-junction transistors
    • H01L29/7371—Vertical transistors
    • H01L29/7375—Vertical transistors having an emitter comprising one or more non-monocrystalline elements of group IV, e.g. amorphous silicon, alloys comprising group IV elements
    • 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
    • Y10S148/00—Metal treatment
    • Y10S148/051—Etching
    • 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
    • Y10S148/00—Metal treatment
    • Y10S148/106—Masks, special
    • 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
    • Y10S148/00—Metal treatment
    • Y10S148/168—V-Grooves

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)
  • Element Separation (AREA)
  • Bipolar Transistors (AREA)
  • Weting (AREA)
  • Bipolar Integrated Circuits (AREA)
IT48498/80A 1979-05-25 1980-04-23 Perfezionamento nelle strutture a semiconduttore ad esempio per transistori e procedimento per la loro fabbricazione IT1128530B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/042,686 US4289550A (en) 1979-05-25 1979-05-25 Method of forming closely spaced device regions utilizing selective etching and diffusion

Publications (2)

Publication Number Publication Date
IT8048498A0 IT8048498A0 (it) 1980-04-23
IT1128530B true IT1128530B (it) 1986-05-28

Family

ID=21923236

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48498/80A IT1128530B (it) 1979-05-25 1980-04-23 Perfezionamento nelle strutture a semiconduttore ad esempio per transistori e procedimento per la loro fabbricazione

Country Status (7)

Country Link
US (1) US4289550A (it)
JP (1) JPS55157258A (it)
CA (1) CA1144659A (it)
DE (1) DE3020140A1 (it)
FR (1) FR2457565B1 (it)
GB (1) GB2050056B (it)
IT (1) IT1128530B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827341A (ja) * 1981-08-11 1983-02-18 Fujitsu Ltd 半導体装置の製造方法
US4372033A (en) * 1981-09-08 1983-02-08 Ncr Corporation Method of making coplanar MOS IC structures
US4435898A (en) 1982-03-22 1984-03-13 International Business Machines Corporation Method for making a base etched transistor integrated circuit
JPS58197877A (ja) * 1982-05-14 1983-11-17 Nec Corp 半導体集積回路装置の製造方法
GB8507624D0 (en) * 1985-03-23 1985-05-01 Standard Telephones Cables Ltd Semiconductor devices
US4933295A (en) * 1987-05-08 1990-06-12 Raytheon Company Method of forming a bipolar transistor having closely spaced device regions

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3083441A (en) * 1959-04-13 1963-04-02 Texas Instruments Inc Method for fabricating transistors
NL170348C (nl) * 1970-07-10 1982-10-18 Philips Nv Werkwijze voor het vervaardigen van een halfgeleiderinrichting, waarbij op een oppervlak van een halfgeleiderlichaam een tegen dotering en tegen thermische oxydatie maskerend masker wordt aangebracht, de door de vensters in het masker vrijgelaten delen van het oppervlak worden onderworpen aan een etsbehandeling voor het vormen van verdiepingen en het halfgeleiderlichaam met het masker wordt onderworpen aan een thermische oxydatiebehandeling voor het vormen van een oxydepatroon dat de verdiepingen althans ten dele opvult.
US3648125A (en) * 1971-02-02 1972-03-07 Fairchild Camera Instr Co Method of fabricating integrated circuits with oxidized isolation and the resulting structure
NL173110C (nl) * 1971-03-17 1983-12-01 Philips Nv Werkwijze ter vervaardiging van een halfgeleiderinrichting, waarbij op een oppervlak van een halfgeleiderlichaam een uit ten minste twee deellagen van verschillend materiaal samengestelde maskeringslaag wordt aangebracht.
NL170901C (nl) * 1971-04-03 1983-01-03 Philips Nv Werkwijze voor het vervaardigen van een halfgeleiderinrichting.
US4026736A (en) * 1974-01-03 1977-05-31 Motorola, Inc. Integrated semiconductor structure with combined dielectric and PN junction isolation including fabrication method therefor
JPS5138983A (it) * 1974-09-30 1976-03-31 Hitachi Ltd
JPS51128268A (en) * 1975-04-30 1976-11-09 Sony Corp Semiconductor unit
DE2605641C3 (de) * 1976-02-12 1979-12-20 Siemens Ag, 1000 Berlin Und 8000 Muenchen Hochfrequenztransistor und Verfahren zu seiner Herstellung
US4066473A (en) * 1976-07-15 1978-01-03 Fairchild Camera And Instrument Corporation Method of fabricating high-gain transistors
US4115797A (en) * 1976-10-04 1978-09-19 Fairchild Camera And Instrument Corporation Integrated injection logic with heavily doped injector base self-aligned with injector emitter and collector
CA1090006A (en) * 1976-12-27 1980-11-18 Wolfgang M. Feist Semiconductor structures and methods for manufacturing such structures
US4168999A (en) * 1978-12-26 1979-09-25 Fairchild Camera And Instrument Corporation Method for forming oxide isolated integrated injection logic semiconductor structures having minimal encroachment utilizing special masking techniques

Also Published As

Publication number Publication date
FR2457565A1 (fr) 1980-12-19
CA1144659A (en) 1983-04-12
GB2050056A (en) 1980-12-31
IT8048498A0 (it) 1980-04-23
FR2457565B1 (fr) 1985-11-15
GB2050056B (en) 1984-02-01
DE3020140A1 (de) 1980-12-04
US4289550A (en) 1981-09-15
JPS55157258A (en) 1980-12-06
JPH0243336B2 (it) 1990-09-28

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