Patent ID: 8069739

Claim:
A device, comprising: a housing having a housing wall; a bottom connected to the housing and having at least one base, the base having an edge, wherein: the device is manufactured to provide the edge of the base with a plurality of first predetermined regions and a plurality of second predetermined regions, a distance of each of the first regions from the housing wall being substantially less than a greatest distance of each of the second regions from the housing wall within a single plane that is perpendicular to a central axis, the central axis extending between a top and a bottom of the housing and into the base; a height of the housing wall between the top and the bottom of the housing is substantially greater than a height of the base; the first regions of the base center the housing on the base by contacting the housing wall; free volumes disposed between locations of contact between the first regions and the housing wall are filled with a passivating material; and the device is a micromechanical sensor.