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Electrical Insulation Magazine, IEEE

Issue 1 • Date Jan.-Feb. 1989

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  • Applications of polyimide films to the electrical and electronic industries in Japan

    Page(s): 15 - 23
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (775 KB)  

    The development of polyimide films in Japan is discussed. The chemical structure of the films and their polymerization mechanisms are described. Types of polyimide films are identified, and their characteristics are examined. Special attention is given to their thermal and chemical properties and their radiation resistance. Applications of polyimide films to rotating machines, integrated circuits, tape-automated bonding, flexible printed-circuit boards, electric wires, aerospace and nuclear equipment, and recording devices are discussed.<> View full abstract»

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  • Evolution of compound pellet inspection [power cables]

    Page(s): 24 - 28
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (796 KB)  

    The history and merits of various techniques developed to achieve the current levels of cleanliness in the cable industry are reviewed, with regard to the fabrication of polyethylene and cross-linked polyethylene insulation and shield materials. The detection methods now used include magnetics, eddy currents, and electrooptics. A description of commercially available equipment and statistically based reasons for a 100% inspection program at the site of cable manufacturing are included.<> View full abstract»

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  • Impact of polyethylene curing methods on wire and cable performance

    Page(s): 29 - 32
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (407 KB)  

    The shortcomings of polyethylene as an insulating material for wire and cable can be overcome by cross-linking it through a curing process. The advantages and disadvantages of two different curing processes are examined, namely irradiation curing and peroxide plus heat curing. The wire and cable products resulting from each method are compared.<> View full abstract»

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Aims & Scope

The EI Magazine is specifically concerned with publishing articles in the development and characterization of the dielectric, chemical, mechanical, and environmental properties of all vacuum, gaseous, liquid, and solid electrical insulation, and with utilization of these materials in circuits and systems under conditions of use.

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Co-Editor-in-Chief
Edward Cherney

Co-Editor-in-Chief
Robert Fleming