High-frequency module and electronic device using the module

Details High-frequency module and electronic device using the module High-frequency module and electronic device using the module

2007-02-27

2007-02-27

Ngo, Hung V. (Department: 2831)

Electricity: conductors and insulators

Anti-inductive structures

Shielded

C174S377000, C174S384000, C361S816000, C361S752000

Reexamination Certificate

active

11241917

ABSTRACT:
A high-frequency module has an attached shield case. Barrier36of the shield case has wall37provided by being bent from ceiling section32; wall38that is opposed to wall37and that is provided by being bent from ceiling section32; and linkage section39for linking the tip end of wall38to the tip end of wall37. The shield case further has: a crossing section at which wall37crosses ceiling section32and side plate33; notches43respectively provided at the crossing sections at which wall38, ceiling section32and side plate33cross one another; and division section44extending downward from notches43for segmentalizing side plate33. A boundary between circuit block4and circuit block5is provided at a position corresponding to barrier36. Connection section34is connected to the ground of circuit block4or circuit block5. As a result, a module having a superior shielding performance can be provided to prevent leakage of a signal from a circuit provided on the printed circuit board.

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