STACKING SWITCH MODULE USED FOR A DUAL-BAND MOBILE COMMUNICATION TERMINAL, SPECIALLY IN CONNECTION WITH FORMING SWITCHING-RELATED UNIT ELEMENTS IN 3-DIMENSIONAL STRUCTURE

摘要

PURPOSE: A stacking switch module used for a dual-band mobile communication terminal is provided to form switching-related unit elements in 3-dimensional structure by stacking and integrating ceramic sheets, thereby reducing a chip part cost and a mounting cost. CONSTITUTION: A switching stack substrate(200) is formed with switching unit elements for switching the first and second communication frequencies having different dual bands and patterns of the switching unit elements, by ceramic sheets which are disposed and stacked in vertical direction while being electrically united together. Surface mounting unit elements(301-308) are mounted on an upper side of the switching stack substrate(200). Conductor walls(401-412) are formed in vertical direction at certain spots on 4 sides of the switching stack substrate(200), and electrically connect the switching unit elements with the surface mounting unit elements(301-308) or with the exterior.