Samsung Electronics Co., Ltd.

Avago Technologies International Sales Pte. Limited

Jeashik Shin

Duck Hwan Kim

Sang Uk Son

In Sang Song

Hosoo Park

Moonchul Lee

Chul Kyu Kim

Chul Soo Kim

Jeesu Kim

Hyeonhyeong Choe

A filter device for multi-band wireless communication includes a first circuit characterized by a first pass-band from a first frequency to a second frequency; a second circuit characterized by a second pass-band from a frequency no smaller than the first frequency to a third frequency, the third frequency being no higher than the second frequency but higher than the first frequency; a third circuit characterized by a third pass-band from a fourth frequency to a frequency no greater than the second frequency, the fourth frequency being no smaller than the first frequency but smaller than the second frequency; and a switch configured to connect the first circuit either to the second circuit to reconfigure a first filter with the second pass-band or to the third circuit to reconfigure a second filter with the third pass-band.

Reconfigurable filters in multiplexer

A resonance apparatus that processes an electrical loss using a conductive material and a method of manufacturing the resonance apparatus are provided. The resonance apparatus includes a lower electrode formed at a predetermined distance from a substrate, and a piezoelectric layer formed on the lower electrode. The resonance apparatus further includes an upper electrode formed on the piezoelectric layer, and a conductive layer formed on the upper electrode or the lower electrode.

Resonance apparatus for processing electrical loss using conductive material and method for manufacturing the same

Method for manufacturing resonance apparatus

Growing community of inventors

Hwaseong-si, South Korea

Jeashik Shin