GB1465683A - Electromagnetic waveguides - Google Patents

Electromagnetic waveguides

Info

Publication number
GB1465683A
GB1465683A GB3512673A GB3512673A GB1465683A GB 1465683 A GB1465683 A GB 1465683A GB 3512673 A GB3512673 A GB 3512673A GB 3512673 A GB3512673 A GB 3512673A GB 1465683 A GB1465683 A GB 1465683A
Authority
GB
United Kingdom
Prior art keywords
fibres
layer
coating
bonded
july
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
GB3512673A
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.)
Balfour Beatty PLC
Original Assignee
BICC 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 BICC PLC filed Critical BICC PLC
Priority to GB3512673A priority Critical patent/GB1465683A/en
Publication of GB1465683A publication Critical patent/GB1465683A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/12—Hollow waveguides
    • H01P3/13—Hollow waveguides specially adapted for transmission of the TE01 circular-electric mode

Landscapes

  • Laminated Bodies (AREA)

Abstract

1465683 Waveguide structures BICC Ltd 23 July 1974 [24 July 1973] 35126/73 Heading H1W A waveguide structure comprises at least one lossy reinforcing layer comprising resin-bonded fibres of glass or other inorganic material provided, at least in places, with a coating of a metal or metal alloy. The circular waveguide shown, for e.g. propagation of the circularelectric mode, comprises a layer 1 of helicallywound copper wire and three layers 2, 3, 4 of resin-bonded glass fibre rovings, each layer comprising two rovings wound with opposite hand and interwoven. Some or all of the fibres have a continuous or discontinuous coating of iron or nickel applied by subjecting the fibres to carbonyl gas at a temperature of about 200‹ C. The fibres may have a diameter of 8Ám. and the coating a thickness of e.g. 2Ám. The coated fibres may extend entirely longitudinally. A water-barrier 5 made of aluminium sheet and a layer 6 of bonded glass fibre tape are applied overall.
GB3512673A 1974-07-23 1974-07-23 Electromagnetic waveguides Expired GB1465683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3512673A GB1465683A (en) 1974-07-23 1974-07-23 Electromagnetic waveguides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3512673A GB1465683A (en) 1974-07-23 1974-07-23 Electromagnetic waveguides

Publications (1)

Publication Number Publication Date
GB1465683A true GB1465683A (en) 1977-02-23

Family

ID=10374142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3512673A Expired GB1465683A (en) 1974-07-23 1974-07-23 Electromagnetic waveguides

Country Status (1)

Country Link
GB (1) GB1465683A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130786A (en) * 1982-11-24 1984-06-06 Tdk Corp An electromagnetic shield
GB2625241A (en) * 2022-10-12 2024-06-19 Qinetiq Ltd A radiofrequency circuit component

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130786A (en) * 1982-11-24 1984-06-06 Tdk Corp An electromagnetic shield
GB2625241A (en) * 2022-10-12 2024-06-19 Qinetiq Ltd A radiofrequency circuit component

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee