Avary Holding (shenzhen) Co., Limited.

Qing Ding Precision Electronics (huaian) Co., Ltd

Si Xiong

Rui-Wu Liu

Man-Zhi Peng

Lin-Jie Gao

An interposer, which is used to connect two circuit boards, includes an inner structure (), an outer structure (), and a protective layer (). The inner structure () includes a first base layer () and a first wiring layer () formed on the first base layer (). The outer structure () includes a second base layer () and a second wiring layer () formed on the second base layer (). An end portion of at least wiring line of the first wiring layer () and the second wiring layer () extends to a sidewall of the interposer (). An end of another wiring line extends to the other sidewall of the interposer (). The first wiring layer () is electrically connected to the second wiring layer () by a conductive blind hole ().

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Shenzhen, China

Si Xiong