Patent ID: 8806964
Filing Date: 2014-08-19
Classification: G01L,Y10T

Abstract:
1. A force sensing assembly, comprising: a housing; a sense die situated in the housing for sensing an external force applied to the force sensing assembly, the sense die having a sense diaphragm with a top side and a bottom side, and a diaphragm thickness defined between the top side and the bottom side of the sense diaphragm, the sense die further having a peripheral region extending around the sense diaphragm that has a top side and a bottom side and a die thickness defined between the top side and the bottom side of the peripheral region, wherein the diaphragm thickness is less than the die thickness; a boss extending from the bottom side of the sense diaphragm, the boss having a boss thickness defined between the bottom side of the sense diaphragm and a bottom side of the boss, the boss including one or more side walls extending from the bottom side of the sense diaphragm to the bottom side of the boss; the bottom side of the boss is situated between the bottom side of the peripheral region of the sense die and the bottom side of the sense diaphragm; and a force receiving feature accessible from external to the housing of the force sensing assembly for receiving the external force applied to the force sensing assembly, the force receiving feature configured to make intimate contact with and transmit a force to the bottom side of the boss in response to receiving the external force.