BE725393A - - Google Patents

Info

Publication number
BE725393A
BE725393A BE725393DA BE725393A BE 725393 A BE725393 A BE 725393A BE 725393D A BE725393D A BE 725393DA BE 725393 A BE725393 A BE 725393A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE725393A publication Critical patent/BE725393A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
    • C23C14/564—Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D8/00—Cold traps; Cold baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
    • F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Physical Vapour Deposition (AREA)
BE725393D 1968-01-05 1968-12-13 BE725393A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR135093 1968-01-05

Publications (1)

Publication Number Publication Date
BE725393A true BE725393A (zh) 1969-05-16

Family

ID=8644212

Family Applications (1)

Application Number Title Priority Date Filing Date
BE725393D BE725393A (zh) 1968-01-05 1968-12-13

Country Status (8)

Country Link
US (1) US3512369A (zh)
BE (1) BE725393A (zh)
DE (1) DE1900454A1 (zh)
ES (1) ES362123A1 (zh)
FR (1) FR1557891A (zh)
GB (1) GB1181750A (zh)
LU (1) LU57621A1 (zh)
NL (1) NL6900130A (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319035A1 (fr) * 1975-07-22 1977-02-18 Physimeca Appareil pour faire le vide a l'interieur d'une enceinte
US4311018A (en) * 1979-12-17 1982-01-19 Varian Associates, Inc. Cryogenic pump
US4438632A (en) * 1982-07-06 1984-03-27 Helix Technology Corporation Means for periodic desorption of a cryopump
US4763483A (en) * 1986-07-17 1988-08-16 Helix Technology Corporation Cryopump and method of starting the cryopump
US4907413A (en) * 1988-06-02 1990-03-13 Grumman Aerospace Corporation Regenerable cryosorption pump with movable physical barrier and physical barrier thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737779A (en) * 1946-05-24 1956-03-13 Ernest O Lawrence Condensable vapor extraction apparatus
US3360949A (en) * 1965-09-20 1968-01-02 Air Reduction Cryopumping configuration
US3327491A (en) * 1966-06-08 1967-06-27 Andonian Associates Inc Windowless vacuum chamber for exposing a cooled device to successive samplers

Also Published As

Publication number Publication date
US3512369A (en) 1970-05-19
ES362123A1 (es) 1970-11-01
LU57621A1 (zh) 1969-04-08
FR1557891A (zh) 1969-02-21
GB1181750A (en) 1970-02-18
DE1900454A1 (de) 1969-09-04
NL6900130A (zh) 1969-07-08

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