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GB2341278B - Semiconductor fabrication method - Google Patents

Semiconductor fabrication method

Info

Publication number
GB2341278B
GB2341278B GB9928259A GB9928259A GB2341278B GB 2341278 B GB2341278 B GB 2341278B GB 9928259 A GB9928259 A GB 9928259A GB 9928259 A GB9928259 A GB 9928259A GB 2341278 B GB2341278 B GB 2341278B
Authority
GB
United Kingdom
Prior art keywords
fabrication method
semiconductor fabrication
semiconductor
fabrication
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 - Fee Related
Application number
GB9928259A
Other versions
GB2341278A (en
GB9928259D0 (en
Inventor
David Neil Casey
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.)
Zetex PLC
Original Assignee
Zetex PLC
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
Priority claimed from GBGB9807115.2A external-priority patent/GB9807115D0/en
Priority claimed from GBGB9903972.9A external-priority patent/GB9903972D0/en
Application filed by Zetex PLC filed Critical Zetex PLC
Priority to GB9928259A priority Critical patent/GB2341278B/en
Priority claimed from PCT/GB1999/000858 external-priority patent/WO1999052131A1/en
Publication of GB9928259D0 publication Critical patent/GB9928259D0/en
Publication of GB2341278A publication Critical patent/GB2341278A/en
Application granted granted Critical
Publication of GB2341278B publication Critical patent/GB2341278B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • H10D30/64Double-diffused metal-oxide semiconductor [DMOS] FETs
    • H10D30/66Vertical DMOS [VDMOS] FETs
    • H10D30/668Vertical DMOS [VDMOS] FETs having trench gate electrodes, e.g. UMOS transistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/28Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H01L21/283Deposition of conductive or insulating materials for electrodes conducting electric current
    • H01L21/285Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
    • H01L21/28506Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
    • H01L21/28512Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70Manufacture 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
    • H01L21/71Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76838Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
    • H01L21/76886Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances
    • H01L21/76888By rendering at least a portion of the conductor non conductive, e.g. oxidation
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/102Constructional design considerations for preventing surface leakage or controlling electric field concentration
    • H10D62/103Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
    • H10D62/105Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] 
    • H10D62/106Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]  having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/111Field plates

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
  • Electrodes Of Semiconductors (AREA)
GB9928259A 1998-04-03 1999-04-01 Semiconductor fabrication method Expired - Fee Related GB2341278B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9928259A GB2341278B (en) 1998-04-03 1999-04-01 Semiconductor fabrication method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9807115.2A GB9807115D0 (en) 1998-04-03 1998-04-03 Alignment method
GBGB9903972.9A GB9903972D0 (en) 1999-02-23 1999-02-23 Semiconductor device fabrication
GB9928259A GB2341278B (en) 1998-04-03 1999-04-01 Semiconductor fabrication method
PCT/GB1999/000858 WO1999052131A1 (en) 1998-04-03 1999-04-01 Semiconductor contact fabrication method

Publications (3)

Publication Number Publication Date
GB9928259D0 GB9928259D0 (en) 2000-01-26
GB2341278A GB2341278A (en) 2000-03-08
GB2341278B true GB2341278B (en) 2003-06-25

Family

ID=27269271

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9928259A Expired - Fee Related GB2341278B (en) 1998-04-03 1999-04-01 Semiconductor fabrication method

Country Status (1)

Country Link
GB (1) GB2341278B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609470A (en) * 1968-02-19 1971-09-28 Ibm Semiconductor devices with lines and electrodes which contain 2 to 3 percent silicon with the remainder aluminum
JPH07169939A (en) * 1994-11-28 1995-07-04 Rohm Co Ltd Semiconductor device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609470A (en) * 1968-02-19 1971-09-28 Ibm Semiconductor devices with lines and electrodes which contain 2 to 3 percent silicon with the remainder aluminum
JPH07169939A (en) * 1994-11-28 1995-07-04 Rohm Co Ltd Semiconductor device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Patent Abstracts of Japan, Vol 095, No.010, 30.11.95 & JP07169939 (ROHM) *

Also Published As

Publication number Publication date
GB2341278A (en) 2000-03-08
GB9928259D0 (en) 2000-01-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100401