Electrode structure and method for anodically-bonded capacitive

Electricity: electrical systems and devices – Electrostatic capacitors – Variable

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361278, 7351432, 29 2541, 4271262, 1562731, H01G 700

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054466164

ABSTRACT:
A sensing electrode on a glass layer of an anodically-bonded capacitive sensor has an interfacial barrier film containing a nitride compound between the electrode and the glass layer. In one embodiment, the capacitive sensor is an inertial sensor having a sensing element hingedly mounted to a frame which is anodically bonded to the glass layer. The sensing electrode is then located on a surface of the glass layer facing the sensing element. The sensing element and the frame are preferably made of silicon and the interfacial film is preferably silicon nitride.

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