| 摘要 |
A printed circuit board assembly (20) is provided. The printed circuit board assembly includes a main printed circuit board (22), an accessorial printed circuit board (26), and a frame (24). The main printed circuit board includes at least one electronic component (222). The frame is secured to the main printed circuit board. The accessorial printed circuit board is attached to the main printed circuit board. The accessorial printed circuit board includes a shielding area (262). The shielding area is configured for engaging with the frame, whereby the shielding area and the frame cooperatively shield the at least one electronic component therein.
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