Patent ID: 9638597
Date: 2017-05-02
CPC Classifications: G01L,H01L

Claim:
1. A differential pressure sensor assembly comprising: a transducer having a first sensing surface and a second sensing surface, the second sensing surface contained in a cavity; an Integrated Circuit (IC) hermetically coupled to the transducer, the IC having a first aperture aligned to the cavity; a lead frame coupled to the IC, the lead frame having a second aperture aligned to the first aperture of the IC; and a package encapsulating the transducer, the IC and the lead frame, the package having a third aperture exposed to the first sensing surface, the package including a molding compound providing a hermetic seal between the third aperture of the package and the first aperture of the IC, and the molding compound separated from the transducer by an encroachment distance.