| 摘要 |
PROBLEM TO BE SOLVED: To prevent surely the leakage of any electromagnetic wave from a metal case, with respect to a microwave apparatus having a metal frame for shielding electromagnetically microwave circuits provided in the metal case. SOLUTION: In the microwave apparatus including a circuit board 12 having amplifying devices 21, 23, etc., a metal case 11 for storing the circuit board 12 therein, and a metal frame 13 for shielding the amplifying devices 21, 23, etc., a sidewall portion 40 and a cap portion 42 which constitute the metal frame 13 are integrated constitutively with each other. Also, a conductive sheet 15 is provided between the metal frame 13 and a ceiling board 14 covering the metal case 11. COPYRIGHT: (C)2005,JPO&NCIPI
|
