Patent attributes
A pressure sensor comprises: a case body including a pressure introduction port; a sensor chip including a top surface, a bottom surface, a sensing member disposed on the top surface and a concave member disposed on the bottom surface; a ceramic substrate including a front surface, a rear surface, a front opening disposed on the front surface and a rear opening disposed on the rear surface; and the gel member. The sensor chip is disposed on the front opening. The case body accommodates the ceramic substrate. The rear opening is coupled with the port. The gel member is disposed in the front and rear openings, and covers the concave member. The concave member receives a pressure of a pressure medium, which is introduced in the port, via the gel member. The sensing member detects the pressure.
