3.
    发明专利
    未知

    公开(公告)号:IT1195120B

    公开(公告)日:1988-10-12

    申请号:IT6762886

    申请日:1986-08-04

    Abstract: A method of manufacturing dichroic antenna structures, which makes use of projector mounted on the mobile arm of a computer-controlled machine to project the shape of selective antenna elements on the surface of an insulating layer, clad with a metallic layer covered in turn with a photographic emulsion. Development and chemical etching of the exceeding conductive parts are then carried out.

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