Patent ID: 8516906
Filing Date: 2013-08-27
Classification: G01L,Y10T

Abstract:
1. A force sensor having a sensor substrate joined to a base substrate, wherein the sensor substrate comprises: wherein the base substrate includes: and wherein the sensor-side support is joined to the base-side support with a metal joint layer disposed therebetween, and each of the plurality of sensor-side electrically connecting portions is joined to a corresponding one of the plurality of base-side electrically connecting portions with a metal joint layer disposed therebetween, each of the metal joint lavers having a thickness of 300 nm or smaller and being formed of an alloy including one or more of materials selected from the group consisting of Al, Ti, Cr, Ni, Cu, Ru, Rh, Ir, Pt, Ta, Fe, and Au, or a multilayer film composed of two or more lavers each including a material selected from the group consisting of Al, Ti, Cr, Ni, Cu, Ru, Rh, Ir, Pt, Ta, Fe, and Au.