IT9021364A0 - Processo per impedire contaminazione di masse fuse ad alta temperatura - Google Patents

Processo per impedire contaminazione di masse fuse ad alta temperatura

Info

Publication number
IT9021364A0
IT9021364A0 IT9021364A IT2136490A IT9021364A0 IT 9021364 A0 IT9021364 A0 IT 9021364A0 IT 9021364 A IT9021364 A IT 9021364A IT 2136490 A IT2136490 A IT 2136490A IT 9021364 A0 IT9021364 A0 IT 9021364A0
Authority
IT
Italy
Prior art keywords
melts
high temperature
prevent contamination
contamination
prevent
Prior art date
Application number
IT9021364A
Other languages
English (en)
Other versions
IT1246439B (it
IT9021364A1 (it
Inventor
Neil Anthony Johnson
Miller Russel Scott
Gordon Bruce Hunter
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT9021364A0 publication Critical patent/IT9021364A0/it
Publication of IT9021364A1 publication Critical patent/IT9021364A1/it
Application granted granted Critical
Publication of IT1246439B publication Critical patent/IT1246439B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/305—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating or etching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Silicon Compounds (AREA)
IT02136490A 1989-09-07 1990-09-03 Processo per impedire contaminazione di masse fuse ad alta temperatura IT1246439B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/404,398 US4926439A (en) 1989-09-07 1989-09-07 Process for preventing contamination of high temperature melts

Publications (3)

Publication Number Publication Date
IT9021364A0 true IT9021364A0 (it) 1990-09-03
IT9021364A1 IT9021364A1 (it) 1992-03-03
IT1246439B IT1246439B (it) 1994-11-18

Family

ID=23599441

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02136490A IT1246439B (it) 1989-09-07 1990-09-03 Processo per impedire contaminazione di masse fuse ad alta temperatura

Country Status (8)

Country Link
US (1) US4926439A (it)
JP (1) JPH03170626A (it)
AU (1) AU620013B2 (it)
CA (1) CA2021112A1 (it)
DE (1) DE4026185A1 (it)
FR (1) FR2651506B1 (it)
GB (1) GB2236118B (it)
IT (1) IT1246439B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959841A (en) * 1989-07-06 1990-09-25 General Electric Company Process for reducing contamination of high temperature melts
US4926439A (en) * 1989-09-07 1990-05-15 General Electric Company Process for preventing contamination of high temperature melts
US5410122A (en) * 1993-03-15 1995-04-25 Applied Materials, Inc. Use of electrostatic forces to reduce particle contamination in semiconductor plasma processing chambers
US6770333B2 (en) * 2002-04-30 2004-08-03 General Electric Company Method of controlling temperature during coating deposition by EBPVD
TW201245474A (en) * 2011-05-12 2012-11-16 Hon Hai Prec Ind Co Ltd Evaporation source device and a coating method using the same
DE202013011857U1 (de) 2013-08-09 2014-08-25 VDM Metals GmbH Einrichtung zur Beeinflussung der Kondensatbildung innerhalb eines Elektronenstrahlofens
EP3092324B1 (en) 2014-01-09 2020-07-15 United Technologies Corporation Coating process using gas screen
DE102014010715A1 (de) 2014-07-19 2016-01-21 VDM Metals GmbH Verfahren zur Erschmelzung einer Ti-Basislegierung
US9885110B2 (en) 2014-08-06 2018-02-06 United Technologies Corporation Pressure modulated coating
GB201600645D0 (en) * 2016-01-13 2016-02-24 Rolls Royce Plc Improvements in additive layer manufacturing methods
US11866816B2 (en) 2016-07-06 2024-01-09 Rtx Corporation Apparatus for use in coating process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437734A (en) * 1966-06-21 1969-04-08 Isofilm Intern Apparatus and method for effecting the restructuring of materials
US3562141A (en) * 1968-02-23 1971-02-09 John R Morley Vacuum vapor deposition utilizing low voltage electron beam
US4718477A (en) * 1986-07-30 1988-01-12 Plasma Energy Corporation Apparatus and method for processing reactive metals
JPS6456126A (en) * 1987-08-25 1989-03-03 Toshiba Corp Heating device for isotope separation device
JPH01116037A (ja) * 1987-10-28 1989-05-09 Mitsubishi Heavy Ind Ltd レーザーによる混合金属分離装置
JPH01217843A (ja) * 1988-02-23 1989-08-31 Toshiba Corp 電子衝撃形電子銃
US4959841A (en) * 1989-07-06 1990-09-25 General Electric Company Process for reducing contamination of high temperature melts
US4926439A (en) * 1989-09-07 1990-05-15 General Electric Company Process for preventing contamination of high temperature melts

Also Published As

Publication number Publication date
JPH03170626A (ja) 1991-07-24
DE4026185C2 (it) 1993-03-25
FR2651506B1 (fr) 1993-06-11
GB9019355D0 (en) 1990-10-17
CA2021112A1 (en) 1991-03-08
IT1246439B (it) 1994-11-18
US4926439A (en) 1990-05-15
AU620013B2 (en) 1992-02-06
FR2651506A1 (fr) 1991-03-08
GB2236118A (en) 1991-03-27
GB2236118B (en) 1993-08-18
IT9021364A1 (it) 1992-03-03
DE4026185A1 (de) 1991-03-21
AU6228490A (en) 1991-03-14

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