Low cost sensors are devices where the they are exposed to
the media without protection.
The glass feed-through and the silicon cell is mounted in a
plastic housing with pressure ports for positive and negative
pressure. The silicon sensor with the TAB print
is fixed between two plastic mouldings with pressure ports.
The silicon sensor is bonded to a brass pressure port. The
contacts are made either by gold wires to soldering pins, or
by TAB flexible printed circuit.
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