Hitachi Chemical Company, Ltd.

Ken Madarame

Yoshitaka Hirata

Kazunori Yamamoto

Yasushi Shimada

Hiroyuki Kuriya

Yuusuke Kondou

Etsuo Mizushima

Kazuhisa Otsuka

Yuichi Shimayama

Masanori Yamaguchi

Shinsuke Hagiwara

Haruaki Sue

Ken Nanaumi

Takuji Itou

A multilayer wiring board exhibiting excellent moldability and having a capacitor where variation of capacitance is suppressed, its producing method, a semiconductor device mounting a semiconductor chip on the multilayer wiring board, and a wireless electronic device mounting the semiconductor device.

Multilayer wiring board, manufacturing method thereof, semiconductor device, and wireless electronic device

A multilayer wiring board exhibiting excellent moldability and having a capacitor where variation of capacitance is suppressed, its producing method, a semiconductor device mounting a semiconductor chip on the multilayer wiring board, and a radio electronic device mounting the semiconductor device.

Multilayer wiring board, method for producing the same, semiconductor device and radio electronic device

A copolycondensation of a phenol, a naphthol and formaldehyde proceeds smoothly in the presence of an acid and a metallic element selected from the group consisting of transition metallic elements and metallic elements of Group IIa, Group IIIa, Group IVa, Group Va and Group VIa of the Periodic Table, and a naphthol-modified phenolic resin which has a large molecular weight and does not gel is obtained.

Method of producing a naphthol-modified phenolic resin of highly

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Yuki, Japan

Ken Madarame