Patent ID: 8304844
Filing Date: 2012-11-06
Classification: G01L

Abstract:
1. A pressure measuring device, comprising: a pedestal; an intermediate piece of semiconductor arranged on said pedestal and connected with said pedestal; and, a semiconductor pressure sensor arranged on said intermediate piece and connected with said intermediate piece, said semiconductor pressure sensor having a support and a measuring membrane, or diaphragm; wherein: an annular cavity extends into the interior of said intermediate piece which surrounds a first cylindrical section and, pedestal end thereof, and a second cylindrical section of said intermediate piece, said second cylindrical section having a greater outer diameter than said first cylindrical section, and which is open on an end of said intermediate piece toward said pedestal; and said second cylindrical section has, facing said pedestal and lying on an end face of said pedestal, an end face, which forms a connecting area, via which said intermediate piece is mechanically connected with said pedestal.