Patent ID: 9046426
Filing Date: 2015-06-02
Classification: G01D,G01L

Abstract:
1. An apparatus, comprising: a substrate member comprising a ceramic material, said substrate member having an elongated section having at least one square recess, a plurality of cavities, a pressure reference cavity, and a section having at least one voltage input hole and at least one voltage output hole; wherein each of the holes contains a means to provide an electric connection therethrough; wherein the at least one voltage input hole is operably connected to one of the plurality of cavities of the elongated section, and the at least one voltage output hole is operably connected to another one of the plurality of cavities of the elongated section; and wherein one end of each one of the plurality of cavities is connected to the square recess, and the other end of each one of the plurality of cavities is connected to one of the two voltage holes.