Patent ID: 7168986

Claim:
A board-to-board connector assembly with EMI shielding shields for electrically interconnecting with a pair of spaced parallel printed circuit boards, comprising: a receptacle connector mounted to one of the printed circuit boards, the receptacle connector comprising a receptacle housing having a pair of sidewalls protruding upwardly from two opposite sides thereof, a channel defined between the two sidewalls, a plurality of first passageways longitudinally arranged along the sidewalls and a plurality of first contacts received in the respective first passageways; a first shielding shell fixed to and encircling the receptacle housing, the first shielding shell having a pair of elastic arms extending upwardly from two opposite ends thereof; a plug connector mounted to the other printed circuit board, the plug connector comprising a plug housing having a base received in the channel of the receptacle connector, two opposite end portions extending outwardly from two opposite ends of the base, a plurality of second passageways longitudinally arranged along two opposite sides of the base and a plurality of second contacts received in the respective second passageways; and a pair of second shielding shells respectively having a base plate and a pair of arms bending and extending inwardly from two ends of the base plate for hugging the two opposite end portions of the plug housing, the base plate contacting the elastic arms of the first shielding shell; wherein at least one of the first and second shielding shells has a grounding means soldered to the corresponding printed circuit board.