Neomax Materials Co., Ltd.

Yoshito Tagashira

Masaharu Yamamoto

Shigeji Matsubara

Toshiaki Fukusako

A hermetic sealing cap member capable of suppressing deterioration of characteristics of an electronic component resulting from a sealant such as solder coming into contact with the electronic component in a package is obtained. This hermetic sealing cap, which is a hermetic sealing cap employed for an electronic component storing package for storing an electronic component (), comprises a hermetic sealing cap member (), a first plating layer () formed at least on a region other than a region of the hermetic sealing cap member formed with a sealant () and a second plating layer (), formed on the region of the hermetic sealing cap member on which the sealant is arranged, containing a material superior in wettability with the sealant to the first plating layer.

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Izumi, Japan

Yoshito Tagashira