GB672883A - Improvements in or relating to the manufacture of luminescent materials - Google Patents

Improvements in or relating to the manufacture of luminescent materials

Info

Publication number
GB672883A
GB672883A GB2992548A GB2992548A GB672883A GB 672883 A GB672883 A GB 672883A GB 2992548 A GB2992548 A GB 2992548A GB 2992548 A GB2992548 A GB 2992548A GB 672883 A GB672883 A GB 672883A
Authority
GB
United Kingdom
Prior art keywords
phosphorus
sulphide
rays
nov
ultra
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
GB2992548A
Inventor
Alfred Hamilton Mckeag
Peter Whitten Ranby
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB2992548A priority Critical patent/GB672883A/en
Publication of GB672883A publication Critical patent/GB672883A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/70—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus
    • C09K11/701—Chalcogenides
    • C09K11/703—Chalcogenides with zinc or cadmium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Electromagnetism (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)

Abstract

672,883. Luminescent materials. GENERAL ELECTRIC CO., Ltd. Nov. 3, 1949 [Nov. 17, 1948], No. 29925/48. Addition to 658,748. Class 39 (i). Zinc sulphide is heated in an inert atmosphere with phosphorus or with a compound of phosphorus other than phosphates, the phosphorus content not exceeding 10 per cent by weight of the sulphide. The atmosphere may be sulphur vapour or static or flowing nitrogen; the rate of flow of the nitrogen may be 5 litres per hour. The sulphide may be heated to 900-1100‹ C., preferably 950‹ C. in phosphorus vapour or with red phosphorus, zinc phosphide or phosphorus pentasulphide. A flux consisting of the chloride of an alkali or alkaline earth metal, in particular magnesium or sodium chloride, may be used. Specific proportions and heating times are given in the examples. The compound may be excited to give blue or yellow light by one or more of ultra-violet rays, e.g. ultra-violet light of 3650A, X-rays, cathode rays or a glow discharge.
GB2992548A 1948-11-17 1948-11-17 Improvements in or relating to the manufacture of luminescent materials Expired GB672883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2992548A GB672883A (en) 1948-11-17 1948-11-17 Improvements in or relating to the manufacture of luminescent materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2992548A GB672883A (en) 1948-11-17 1948-11-17 Improvements in or relating to the manufacture of luminescent materials

Publications (1)

Publication Number Publication Date
GB672883A true GB672883A (en) 1952-05-28

Family

ID=10299420

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2992548A Expired GB672883A (en) 1948-11-17 1948-11-17 Improvements in or relating to the manufacture of luminescent materials

Country Status (1)

Country Link
GB (1) GB672883A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10050271B2 (en) 2012-11-28 2018-08-14 Faradion Limited Metal-containing compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10050271B2 (en) 2012-11-28 2018-08-14 Faradion Limited Metal-containing compounds

Similar Documents

Publication Publication Date Title
GB544160A (en) Improvements in luminescent materials
GB672883A (en) Improvements in or relating to the manufacture of luminescent materials
GB578272A (en) Improvements in luminescent materials
GB696188A (en) Improvements in and relating to luminescent materials and methods of preparing the same
GB571690A (en) Improvements in fluorescent substances
GB558213A (en) Improvements in and relating to fluorescent materials
GB612270A (en) Improvements in fluorescent materials and in screens comprised thereof
GB577089A (en) Improvements relating to fluorescent materials
GB691039A (en) Improvements relating to the production of luminescent zinc and zinc-cadmium sulphides
GB712301A (en) Improvements in or relating to luminescent materials
GB466503A (en) Improvements in or relating to electric lamps comprising luminescent materials
GB653421A (en) Electric gaseous discharge devices
GB645922A (en) Improvements in luminescent materials
GB550744A (en) Improvements in and relating to fluorescent materials
GB672697A (en) Improvements in or relating to luminescent materials
GB658748A (en) Luminescent materials
GB588295A (en) Improvements in fluorescent products and methods of preparation thereof
GB579534A (en) Improvements relating to the manufacture of fluorescent material for fluorescent lamp
GB888337A (en) Improvements in fluorescent lamps and phosphor compositions therefor
GB578195A (en) Improvements in luminescent materials
GB930818A (en) Improvements in or relating to luminescent materials and radiation sources comprising the same
GB1502708A (en) Fluorescent compositions and low-velocity electron excited fluorescent display devices utilizing the same
GB498740A (en) Improvements in combinations of electric discharge devices with materials excited to luminescence by the discharge through them
GB617516A (en) Improvements in or relating to self-luminous compositions
GB574321A (en) Improvements in and relating to luminescent materials or phosphors of the alkaline earth metal sulphide type