GB750998A - Improvements in or relating to the making of transistors - Google Patents

Improvements in or relating to the making of transistors

Info

Publication number
GB750998A
GB750998A GB7076/54A GB707654A GB750998A GB 750998 A GB750998 A GB 750998A GB 7076/54 A GB7076/54 A GB 7076/54A GB 707654 A GB707654 A GB 707654A GB 750998 A GB750998 A GB 750998A
Authority
GB
United Kingdom
Prior art keywords
layer
type
donor
grinding
conductivity
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
GB7076/54A
Other languages
English (en)
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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International 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 Westinghouse Electric International Co filed Critical Westinghouse Electric International Co
Publication of GB750998A publication Critical patent/GB750998A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B15/00Single-crystal growth by pulling from a melt, e.g. Czochralski method
    • C30B15/20Controlling or regulating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L29/00Semiconductor 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Led Devices (AREA)
  • Liquid Deposition Of Substances Of Which Semiconductor Devices Are Composed (AREA)
GB7076/54A 1953-03-20 1954-03-11 Improvements in or relating to the making of transistors Expired GB750998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US750998XA 1953-03-20 1953-03-20

Publications (1)

Publication Number Publication Date
GB750998A true GB750998A (en) 1956-06-20

Family

ID=22123535

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7076/54A Expired GB750998A (en) 1953-03-20 1954-03-11 Improvements in or relating to the making of transistors

Country Status (5)

Country Link
BE (1) BE527468A (pt)
DE (1) DE1008416B (pt)
FR (1) FR1098296A (pt)
GB (1) GB750998A (pt)
NL (1) NL185041C (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104074B (de) * 1957-07-30 1961-04-06 Telefunken Gmbh Verfahren zum Zerschneiden eines Halbleiter-Einkristalles, z. B. aus Germanium, fuer Halbleiter-anordnungen in duenne Scheiben, deren Schnittflaechen senkrecht zu einer gewuenschten Kristallachse liegen
NL238556A (pt) * 1958-04-24

Also Published As

Publication number Publication date
NL185041C (nl)
BE527468A (pt)
FR1098296A (fr) 1955-07-21
DE1008416B (de) 1957-05-16

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