Samsung Electro-mechanics Co., Ltd.

Se Jong Kim

Seong Jong Cheon

Jeong Hae Kim

Hyung Jun Cho

Sung Jae Yoon

Yoo Sam Na

Young Sik Hur

Hyun Jin Yoo

Jae Hyouck Choi

Sang Ho Choi

Jang Ho Park

Thomas A Kim

Won Gi Kim

Kang Ta Jo

Mi Ran Hwang

Dae Yeol Seo

Ho Taek Song

A front-end module includes: a substrate including a first connection member in which at least one first insulating layer and at least one first wiring layer are alternately stacked, a second connection member in which at least one second insulating layer and at least one second wiring layer are alternately stacked, and a core member disposed between the first and second connection members; a radio-frequency component mounted on a surface of the substrate and configured to amplify a main band of an input RF signal or filter bands outside the main band; an inductor disposed on a surface of the core member and electrically connected to the radio-frequency component; and a ground plane disposed on another surface of the core member. The core member includes a core insulating layer thicker than an insulating layer among at least one first insulating layer and the at least one second insulating layer.

Front-end module

A printed circuit board includes a board portion and an electronic element. The board portion includes a first substrate having an element accommodating portion and second substrates laminated on outer surfaces of the first substrate. The electronic element is disposed in the element accommodating part. The electronic element includes a heat generating element and a heat radiating member coupled to an inactive surface of the heat generating element.

Board having electronic element, method for manufacturing the same, and electronic element module including the same

A printed circuit board includes: insulating layers and wiring layers arranged in stacked configuration; a cavity disposed in a first insulating layer among the insulating layers; a piezoelectric substrate disposed in the cavity; an electrode disposed on the piezoelectric substrate and configured to convert an electrical signal into an elastic wave or to convert an elastic wave into an electrical signal; and a sealing part disposed on the piezoelectric substrate, the sealing part enclosing the electrode and forming an air gap around the electrode.

Printed circuit board and method of manufacturing the same

A radio frequency switch apparatus includes switching circuits connected between respective signal terminals and an antenna terminal. Each of the switching circuits includes a series switching circuit and a shunt switching circuit configured to switch a signal band on and off. An inductor circuit includes an inductor device connected between at least one shunt switching circuit of the switching circuits and a ground. The inductor device suppresses noise and passes the signal band by being resonant with a capacitance present upon the shunt switching circuit being turned off.

Radio frequency switch apparatus having improved noise suppression characteristics

A hybrid inductor includes a board, a first inductor provided in the board and including conductive patterns disposed at different heights, and a second inductor mounted on the board and an end of the second inductor being connected to the conductive patterns. Since mutual inductance is generated, inductance higher than a capacity value of a single inductor may be obtained.

Hybrid inductor

There are provided a printed circuit board and a manufacturing method thereof. The printed circuit board includes: a core layer having a cavity provided therein; an electronic component included in the cavity; a conductive partition disposed on a side of the cavity; and insulating layers disposed on and below the core layer.

Noise blocking printed circuit board and manufacturing method thereof

A front end circuit includes a switch including two ports disposed at a primary side of the switch and ports disposed at a secondary side of the switch. The front end circuit also includes a filter unit forming return paths using at least a portion of the ports disposed on the secondary side of the switch. The filter unit includes a filter positioned on each of the return paths.

Front end circuit

There are provided a method for providing a relay network and a mobile router and a network relay system using the same. The method for providing the relay network is performed in the mobile router generating the relay network using a plurality of mobile terminals. The method for providing the relay network includes checking a remaining data usage amount for the plurality of respective mobile terminals using a first wireless communications network, checking a tethering priority using the remaining data usage amount and determining a first mobile terminal having the highest tethering priority, and configuring the relay network by providing wireless data provided from the remainder of mobile terminals to the first mobile terminal through a second wireless communications network.

Growing community of inventors

Suwon-si, South Korea

Se Jong Kim