Patent ID: 7170755

Claim:
An electronics card comprising: a surface; an electrical routing path connected to the surface; a plurality of spaced-apart electrical devices connected to the surface and the electrical routing path; and an alignment opening formed in the surface of the electronics card, the alignment opening having: a first end section having a first side wall that lies in a first plane and an opposing second side wall that lies in a second plane, the first side wall having a top end that contacts the surface and a bottom end that lies below and is spaced apart from the surface, the first and second planes being substantially parallel, spaced apart by a width, and roughly perpendicular to the surface; a middle section having a first side wall that lies in a third plane and an opposing second side wall that lies in a fourth plane, the third and fourth planes being substantially parallel and spaced apart by the width, the third plane lying between the first and second planes; and a connecting section that connects the first end section to the middle section.