GB1249401A - Arc-image zone refining surface - Google Patents

Arc-image zone refining surface

Info

Publication number
GB1249401A
GB1249401A GB45527/69A GB4552769A GB1249401A GB 1249401 A GB1249401 A GB 1249401A GB 45527/69 A GB45527/69 A GB 45527/69A GB 4552769 A GB4552769 A GB 4552769A GB 1249401 A GB1249401 A GB 1249401A
Authority
GB
United Kingdom
Prior art keywords
rod
arc
image zone
refining surface
sept
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
GB45527/69A
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of GB1249401A publication Critical patent/GB1249401A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-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
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/16—Heating of the molten zone
    • C30B13/22—Heating of the molten zone by irradiation or electric discharge
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-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
    • C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
    • C30B13/16—Heating of the molten zone
    • C30B13/22—Heating of the molten zone by irradiation or electric discharge
    • C30B13/24—Heating of the molten zone by irradiation or electric discharge using electromagnetic waves

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Furnace Details (AREA)
  • Control Of Resistance Heating (AREA)
GB45527/69A 1968-09-16 1969-09-16 Arc-image zone refining surface Expired GB1249401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6744168 1968-09-16

Publications (1)

Publication Number Publication Date
GB1249401A true GB1249401A (en) 1971-10-13

Family

ID=13345001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB45527/69A Expired GB1249401A (en) 1968-09-16 1969-09-16 Arc-image zone refining surface

Country Status (4)

Country Link
DE (1) DE1946679A1 (enrdf_load_stackoverflow)
FR (1) FR2018182A1 (enrdf_load_stackoverflow)
GB (1) GB1249401A (enrdf_load_stackoverflow)
NL (1) NL6913995A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2607525A1 (de) * 2011-12-21 2013-06-26 Siltronic AG Verfahren und Vorrichtung zur Herstellung eines Einkristalls

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2125177B1 (enrdf_load_stackoverflow) * 1971-02-17 1974-04-26 Dubuit Jean Louis
DE4039546A1 (de) * 1990-12-11 1992-06-17 Battelle Institut E V Vorrichtung zur herstellung von fehlerarmen kristallen im zonenschmelzverfahren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2607525A1 (de) * 2011-12-21 2013-06-26 Siltronic AG Verfahren und Vorrichtung zur Herstellung eines Einkristalls
US9422634B2 (en) 2011-12-21 2016-08-23 Siltronic Ag Method and apparatus for producing a single crystal

Also Published As

Publication number Publication date
FR2018182A1 (enrdf_load_stackoverflow) 1970-05-29
NL6913995A (enrdf_load_stackoverflow) 1970-03-18
DE1946679A1 (de) 1970-04-02

Similar Documents

Publication Publication Date Title
IT1067834B (it) Procedimento di saldatura ad arco con raffreddamento dal lato inverso
GB1249401A (en) Arc-image zone refining surface
FR2444289A1 (fr) Machine de reproduction a chariot porte-document mobile
GB1372274A (en) Sheathed electrical resistance heating element
BE749479A (fr) Source pour soudure a l'arc a redresseur controle ayant des caracteristiques ameliorees positives d'amorcage
GB1149473A (en) Induction plasma torch
GB1028054A (en) A shaft furnace for the continuous drawing of quartz tubes
JPS51134341A (en) Welding wire for heat resistant alloy
BE749476A (fr) Source d'energie en courant direct avec commande d' inductance reglablepour la soudure a l'arc.
FI813636A7 (fi) Elektrodi valokaarisulatusuunia varten.
FR1436782A (fr) Nouveaux fils pour soudage à l'arc sous flux gazeux
JPS5261898A (en) Heat filament arc type ion source
GB1254739A (en) Arc-image zone refining furnace
IT7927945A0 (it) Sorgente di corrente per la saldatura ad arco di luce.
IT7927943A0 (it) Sorgente di corrente per la saldatura ad arco di luce.
JPS5232005A (en) Crosssectional assembly components made from heat insulating refractory materials
FR1308719A (fr) Procédé de préparation des fils d'alliages légers pour le soudage à l'arc
IT1021775B (it) Processo e dispositivo per il controllo della fusione di metalli sotto scoria elettrofusa
GB1115795A (en) Improvements in or relating to furnaces
US3590216A (en) Arc-image zone refining furnace
SU477562A1 (ru) Плавильна однофазна индукционна тигельна печь
FR1451036A (fr) Brûleur à gaz, en particulier pour les réchauffeurs d'air
ES400611A1 (es) Procedimiento para la fabricacion de vidrio en hoja.
GB1120588A (en) Improvements in arc welding electrodes
SU1686537A1 (ru) Декоративный источник света