FR2016875B1 - - Google Patents

Info

Publication number
FR2016875B1
FR2016875B1 FR6926786A FR6926786A FR2016875B1 FR 2016875 B1 FR2016875 B1 FR 2016875B1 FR 6926786 A FR6926786 A FR 6926786A FR 6926786 A FR6926786 A FR 6926786A FR 2016875 B1 FR2016875 B1 FR 2016875B1
Authority
FR
France
Prior art keywords
semi
major surfaces
abrasion
meets
peripheral edge
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
FR6926786A
Other languages
English (en)
French (fr)
Other versions
FR2016875A1 (en:Method
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
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 Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Publication of FR2016875A1 publication Critical patent/FR2016875A1/fr
Application granted granted Critical
Publication of FR2016875B1 publication Critical patent/FR2016875B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H10D62/117Shapes of semiconductor bodies
    • 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
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/302Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
    • H01L21/304Mechanical treatment, e.g. grinding, polishing, cutting
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D18/00Thyristors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D18/00Thyristors
    • H10D18/01Manufacture or treatment
    • 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
    • H10D62/104Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices having particular shapes of the bodies at or near reverse-biased junctions, e.g. having bevels or moats
    • 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
    • H10D62/17Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
    • H10D62/192Base regions of thyristors
    • H10D62/199Anode base regions of thyristors
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S438/00Semiconductor device manufacturing: process
    • Y10S438/959Mechanical polishing of wafer

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Bipolar Transistors (AREA)
  • Thyristors (AREA)
  • Die Bonding (AREA)
FR6926786A 1968-08-06 1969-08-05 Expired FR2016875B1 (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB37377/68A GB1211627A (en) 1968-08-06 1968-08-06 Methods of manufacture of semiconductor elements and elements manufactured therby

Publications (2)

Publication Number Publication Date
FR2016875A1 FR2016875A1 (en:Method) 1970-05-15
FR2016875B1 true FR2016875B1 (en:Method) 1975-01-10

Family

ID=10396001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6926786A Expired FR2016875B1 (en:Method) 1968-08-06 1969-08-05

Country Status (7)

Country Link
US (1) US3611554A (en:Method)
JP (1) JPS4915912B1 (en:Method)
CH (1) CH512821A (en:Method)
DE (1) DE1936143A1 (en:Method)
FR (1) FR2016875B1 (en:Method)
GB (1) GB1211627A (en:Method)
NL (1) NL6911942A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943547A (en) * 1970-12-26 1976-03-09 Hitachi, Ltd. Semiconductor device
US4110780A (en) * 1973-07-06 1978-08-29 Bbc Brown Boveri & Company, Limited Semiconductor power component
DE2340107A1 (de) * 1973-07-06 1975-01-23 Bbc Brown Boveri & Cie Leistungshalbleiterbauelement
DE2340128C3 (de) * 1973-08-08 1982-08-12 SEMIKRON Gesellschaft für Gleichrichterbau u. Elektronik mbH, 8500 Nürnberg Halbleiterbauelement hoher Sperrfähigkeit
DE3137695A1 (de) * 1981-09-22 1983-04-21 Siemens AG, 1000 Berlin und 8000 München Thyristor mit einem mehrschichten-halbleiterkoerper mit pnpn-schichtfolge und verfahren zu seiner herstellung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1471981A (fr) * 1965-03-25 1967-03-03 Asea Ab Thyristor avec zone latérale à gorge
FR1479716A (fr) * 1965-05-11 1967-05-05 Itt Perfectionnements aux dispositifs à semi-conducteurs, tels que, par exemple, des thyristors de puissance

Also Published As

Publication number Publication date
NL6911942A (en:Method) 1970-02-10
DE1936143A1 (de) 1970-02-12
FR2016875A1 (en:Method) 1970-05-15
US3611554A (en) 1971-10-12
GB1211627A (en) 1970-11-11
JPS4915912B1 (en:Method) 1974-04-18
CH512821A (de) 1971-09-15

Similar Documents

Publication Publication Date Title
GB1113446A (en) A semiconductor device
GB1170016A (en) Improvements in or relating to the manufacture of semiconductor components
BE759502A (fr) Outil abrasif, en particulier meule de rectification, et son procede defabrication
KR930011127A (ko) 반도체 웨이퍼의 모떼기 방법
GB1298606A (en) Abrasive cutting element
GB1294184A (en) Semiconductor devices and wafers and method of fabricating same
FR2016875B1 (en:Method)
GB968105A (en) Improvements in or relating to semiconductor devices
GB988903A (en) Semiconductor devices and methods of making same
GB1295756A (en:Method)
GB1134019A (en) Improvements in semi-conductor devices
GB896717A (en) Semiconductor diode
GB1031043A (en) Improvements in or relating to semi-conductor devices
GB1037187A (en) A process for the production of a highly doped p-conducting zone in a semiconductor body
US3742593A (en) Semiconductor device with positively beveled junctions and process for its manufacture
GB1246022A (en) Method of manufacturing semiconductor devices
GB1193716A (en) Improvements in and relating to Semiconductor Devices
GB1028767A (en) Semi-conductor devices and their manufacture
GB1317676A (en) Method for manufacturing a solar cell
GB1208408A (en) Abrasive cutting tool and method
GB1017336A (en) Improvements in and relating to semi-conductor devices
JPS4819113B1 (en:Method)
GB1156777A (en) Manufacture of Semiconductor Elements.
VOL'KENSHTEIN The surface of a semiconductor as the interface between physics and chemistry(Electron theories of chemisorption and catalysis on semiconductor surfaces, considering band theory applicability range)
GB1115933A (en) Single crystal selenium rectifier

Legal Events

Date Code Title Description
ST Notification of lapse