Crystal unit having stacked structure
A stacked crystal unit includes: a first crystal plate in which a vibration member links to an outer circumferential frame portion, and a pair of extending electrode extends to the frame portion from excitation electrodes; and a second and third crystal plates which have a concave portion in an area...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
21.07.2009
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Subjects | |
Online Access | Get full text |
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