GB508057A - Improvements in or relating to electrical insulating materials - Google Patents

Improvements in or relating to electrical insulating materials

Info

Publication number
GB508057A
GB508057A GB3476838A GB3476838A GB508057A GB 508057 A GB508057 A GB 508057A GB 3476838 A GB3476838 A GB 3476838A GB 3476838 A GB3476838 A GB 3476838A GB 508057 A GB508057 A GB 508057A
Authority
GB
United Kingdom
Prior art keywords
chloride
group
lead
steatite
rutile
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
GB3476838A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables 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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3476838A priority Critical patent/GB508057A/en
Publication of GB508057A publication Critical patent/GB508057A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/002Details
    • H01G4/018Dielectrics
    • H01G4/20Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
    • H01G4/206Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06 inorganic and synthetic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

508,057. Condensers ; synthetic resin compositions. STANDARD TELEPHONES & CABLES, Ltd., SCOTT, T. R., and NEW, A. A. Dec. 24, 1937, No. 34768/38. Divided out of 508,035. [Class 37] [Also in Group IV] Electric condensers are prepared having as insulator, preferably in tape form, a mixture of a solid polymerized olefine, such as polystyrene, polyisobutylene or polyethylene and finely comminuted inorganic particles having a permittivity greater than 5. Specified materials are mica, marble, Iceland spar, lead chloride, rutile, silver chloride, silver bromide, zircon, cassiterite, pyromorphite, calomel, corundum, cerussite, Rochelle salt, lead oxide, thallium chloride, thallium bromide, copper oxide, sintered aluminium oxide, quartz, fused silica, commercial steatite, ultra steatite or fused titanium dioxide. Examples are given of mixture containing polystyrene, rubber, and ceresin wax with mica, Iceland spar, rutile or lead chloride. Specifications 357,624, and 507,323, [Group IV], are referred to. The Provisional Specification refers in general to the use of the compositions as insulating materials and also contains the subject-matter of Specification 508,035, [Groaup'IV]. It refers also to Specification 490,814, [Group IV]..
GB3476838A 1937-12-24 1937-12-24 Improvements in or relating to electrical insulating materials Expired GB508057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3476838A GB508057A (en) 1937-12-24 1937-12-24 Improvements in or relating to electrical insulating materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3476838A GB508057A (en) 1937-12-24 1937-12-24 Improvements in or relating to electrical insulating materials

Publications (1)

Publication Number Publication Date
GB508057A true GB508057A (en) 1939-06-26

Family

ID=10369711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3476838A Expired GB508057A (en) 1937-12-24 1937-12-24 Improvements in or relating to electrical insulating materials

Country Status (1)

Country Link
GB (1) GB508057A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420172A (en) * 1940-12-06 1947-05-06 Mica Insulator Company Electrical insulating material containing mica
US2478754A (en) * 1944-11-13 1949-08-09 Dubilier Philip Method of producing electrical condensers
US2562004A (en) * 1950-06-20 1951-07-24 Westinghouse Electric Corp Flexible mica insulation
DE973947C (en) * 1952-05-09 1960-07-28 Elektrowerk G M B H Process for the manufacture of electrical wound capacitors
US4704318A (en) * 1985-03-14 1987-11-03 Kabushiki Kaisha Toshiba Print circuit board
US10833832B2 (en) 2016-06-22 2020-11-10 Intel Corporation Communication device and a method for full duplex scheduling

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2420172A (en) * 1940-12-06 1947-05-06 Mica Insulator Company Electrical insulating material containing mica
US2478754A (en) * 1944-11-13 1949-08-09 Dubilier Philip Method of producing electrical condensers
US2562004A (en) * 1950-06-20 1951-07-24 Westinghouse Electric Corp Flexible mica insulation
DE973947C (en) * 1952-05-09 1960-07-28 Elektrowerk G M B H Process for the manufacture of electrical wound capacitors
US4704318A (en) * 1985-03-14 1987-11-03 Kabushiki Kaisha Toshiba Print circuit board
US10833832B2 (en) 2016-06-22 2020-11-10 Intel Corporation Communication device and a method for full duplex scheduling

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