Ngk Spark Plug Company, Limited

Seigo Ueno

Toshiya Asano

There is provided a wiring board including a multilayer substrate and a reinforcing member. The multilayer substrate has a first main substrate surface formed with a chip mounting area to which an electronic chip is mounted and a second main substrate surface opposed to the first main substrate surface. The reinforcing member is fixed to either an area of the first main substrate surface other than the chip mounting area or the second main substrate surface and has a body predominantly formed of ceramic material and incorporating therein at least one capacitor.

Wiring board having a reinforcing member with capacitors incorporated therein

An intermediate multilayer wiring board product includes: a stack of a plurality of resin insulating layers, a first conductor layer, and a second conductor layer. The stack includes: a product forming region comprising a plurality of product portions arranged along a major surface of the stack, each of the plurality of product portions to become a product of the multilayer wiring board; and a frame portion surrounding the product forming region. The first conductor layer is formed on at least one of the plurality of resin insulating layers within each of the plurality of product portions. The second conductor layer is formed on at least one of the plurality of resin insulating layers within the frame portion. The frame portion has a plurality of cuts penetrating the frame portion in a thickness direction thereof, the plurality of cuts being arranged at substantially equal intervals.

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Iwakura, Japan

Seigo Ueno