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Class Information
Number: 310/357
Name: Electrical generator or motor structure > Non-dynamoelectric > Piezoelectric elements and devices > Orientation of piezoelectric polarization
Description: Piezoelectric noncrystalline materials and elements in which the direction of polarization is significant with respect to the piezoelectric property of the material and/or in adopting the element to its intended function.

Sub-classes under this class:

Class Number Class Name Patents
310/358 Ceramic composition (e.g., barium titanate) 596

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
3956647 Acoustic surface-wave devices using mono crystalline bismuth silicon oxide substrate May. 11, 1976

1 2 3 4 5

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