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Abstract

A multilayer insulating substrate with excellent electrical characteristics and a method for manufacturing the multilayer insulating substrate. A multilayer insulating substrate is composed of a first insulating layer including first central conductor regions to constitute through electrodes and first outer conductor regions surrounding the first central conductor regions, and a second insulating layer including second central conductor regions to constitute through electrodes and second outer conductor regions surrounding the second central conductor regions, wherein the second insulating layer is laminated on the first insulating layer to allow electrical connection between the first central conductor regions and the second central conductor regions and electrical connection between the first outer conductor regions and the second outer conductor regions so that a coaxial wiring structure is configured by the first outer conductor regions and the second outer conductor regions relative to the first central conductor regions and the second central conductor regions.

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