Patent ID: 8839502
Filing Date: 2014-09-23
Classification: H01L,H03H,Y10T

Abstract:
1. A production method of an electronic component, comprising: forming a sheet having a resin layer and a metal layer formed under the resin layer; bonding the sheet to a substrate so that the metal layer is arranged above a functional portion of an acoustic wave element formed on the substrate, a frame portion surrounding the functional portion is formed between the metal layer and the substrate, a cavity is formed on the functional portion by the metal layer and the frame portion, and the resin layer covers the metal layer and the frame portion; and forming one or more terminal portions outside of the frame portion, at least one of the one or more terminal portions penetrating the resin layer, at least one of the one or more terminal portions being electrically connected to the acoustic wave element, wherein the bonding of the sheet to the substrate includes arranging the metal layer on at least one of the one or more terminal portions to electrically connect the metal layer and the at least one of the terminal portions.