ANTENNA UNIT, SHIELD COVER, AND METHOD OF ASSEMBLING ANTENNA MODULE

摘要

PROBLEM TO BE SOLVED: To solder and fix a shield cover on a rear surface of a circuit board, through reflow processing, using a compact mounter.SOLUTION: A shield cover is disposed so as to be opposed to a bottom plate and electromagnetic-shields a signal processing circuit mounted on a rear surface of a circuit board. The shield cover has a ceiling portion which includes: a mounter vacuumed portion disposed in a center portion of the ceiling portion and vacuumed by a vacuum nozzle of a mounter; a ring-shaped outer edge disposed from an end of the side wall portion inwardly; and a plurality of beam portions joining the mounter vacuumed portion to the outer edge. An electromagnetic shielding of the signal processing circuit is carried out using both of the shield cover and the bottom plate.