circuit board having a predetermined thickness and defining a first face and a second face opposite to the first face a low profile electrical connector sits on the first face of the printed circuit board and comprises an insulating housing defining a longitudinal central slot opened forwardly with first contacts and second contacts respectively retained at opposite sides of the central slot a card is inserted into the central slot at an angle with regard to the printed circuit board and then rotated from the second face to the first face of the printed circuit board until reaching to a secured position which is substantially overlapped with the printed circuit board application_number US 94109410 A description reference will be made to the drawing figures to describe the present invention in detail wherein depicted elements are not necessarily shown to scale and wherein like or similar elements are designated by same or similar reference numeral through the eight views and same or similar terminology referring to fig1 a sunk type card edge connector 100 is adapted for being assembled in a large notch defined on a pcb 200 and being inserted by a daughter board such as memory card 300 or the like so as to complete electrical connection between the pcb and the card as shown in fig2 the connector includes an insulating housing 1 with a forward opened card receiving slot 11 along.