Rankin, Hill & Clark LLP
Wiring board and method of manufacturing wiring board
There is provided a wiring board. The wiring board includes: a first insulating layer; a secondary battery on one surface of the first insulating layer; a second insulating layer formed on the secondary battery; a third insulating layer covering the second insulating layer; a first wiring layer on one surface of the third insulating layer; and a via electrically connecting the first wiring layer to an electrode of the secondary battery. A rigidity of the second insulating layer is lower than those of the first and third insulating layers.
SHINKO ELECTRIC INDUSTRIES CO., LTD.
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Kazuyuki Tomoharu
Kubota Fujii