(under subclass 311) Subject matter involving the position of the electrodes with respect to the piezoelectric material, including electrode size, shape, and placement.
(1) Note. This subclass relates, for example, to piezoelectric elements having coated electrodes, electrodes cemented on or otherwise attached, and the structure of the electrode or its position with respect to the piezoelectric material or another electrode.
SEE OR SEARCH CLASS
228, Metal Fusion Bonding, appropriate subclasses, especially
120, 124.7 and 903 for a process of bonding a metallic part to a nonmetallic part.
403, Joints and Connections, appropriate subclasses for joints of general utility.