GB775002A - Improvements in or relating to the manufacture of thin light-transmitting layers - Google Patents

Improvements in or relating to the manufacture of thin light-transmitting layers

Info

Publication number
GB775002A
GB775002A GB17670/53A GB1767053A GB775002A GB 775002 A GB775002 A GB 775002A GB 17670/53 A GB17670/53 A GB 17670/53A GB 1767053 A GB1767053 A GB 1767053A GB 775002 A GB775002 A GB 775002A
Authority
GB
United Kingdom
Prior art keywords
gas
evaporation
metal
silicon
layers
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
GB17670/53A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB775002A publication Critical patent/GB775002A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/0021Reactive sputtering or evaporation
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/10Glass or silica

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Optical Filters (AREA)

Abstract

A process for the manufacture of thin light-transmitting layers of metal-gas or silicon-gas compounds comprises the evaporation and condensation under reduced pressure of a metal, a metal or silicon compound, or a mixture of a metal or silicon with a metal or silicon compound on a carrier, the evaporation and condensation being carried out in the presence of excess of the gas forming ore element of the metal-gas or silicon-gas compound, said excess gas being present in such quantity that the pressure thereof, for a selected rate of evaporation; lies between a higher limit, above which the layer produced is lacking in strength, and a lower limit, below which the layer tends to high light-absorption. The evaporation may be carried out in an atmosphere of which at least half is oxygen, the layers produced comprising oxides of the highest degree of oxidation, and suitable pressure limits are 2 X 10-4 and 3 X 10-5 mm. Hg. Other gases which may be used include nitrogen. The evaporation may be performed in a stream of gas and the gas may be ionized before coming into contact with the material to be condensed. The evaporation of TiO2, Ti + TiO2, SiO2 SiO + SiO2 and compounds of Fe, Zr, Al, Zn is referred to, and such layers on highly refractive substances are stated to be useful in the production of reflection-reducing coatings, multi-layer interference filters and artificial jewelry.
GB17670/53A 1952-06-25 1953-06-25 Improvements in or relating to the manufacture of thin light-transmitting layers Expired GB775002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT775002X 1952-06-25

Publications (1)

Publication Number Publication Date
GB775002A true GB775002A (en) 1957-05-15

Family

ID=3680747

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17670/53A Expired GB775002A (en) 1952-06-25 1953-06-25 Improvements in or relating to the manufacture of thin light-transmitting layers

Country Status (1)

Country Link
GB (1) GB775002A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096026A (en) * 1976-07-27 1978-06-20 Toppan Printing Co., Ltd. Method of manufacturing a chromium oxide film
DE3045025A1 (en) * 1980-04-12 1981-10-22 Egyesült Izzólámpa és Villamossági Részvénytársaság, 1340 Budapest Infrared diminishing coating prodn. on electric lamp - by chemical vapour deposition of silicon nitride to reduce heat output and increase efficiency

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096026A (en) * 1976-07-27 1978-06-20 Toppan Printing Co., Ltd. Method of manufacturing a chromium oxide film
DE3045025A1 (en) * 1980-04-12 1981-10-22 Egyesült Izzólámpa és Villamossági Részvénytársaság, 1340 Budapest Infrared diminishing coating prodn. on electric lamp - by chemical vapour deposition of silicon nitride to reduce heat output and increase efficiency

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