| 摘要 |
PROBLEM TO BE SOLVED: To provide a piezoelectric vibration piece having preferable vibration characteristics, a manufacturing method of a piezoelectric vibration piece, and a piezoelectric vibrator. ! SOLUTION: A piezoelectric vibration piece includes: a vibration part having a pair of vibration arm parts arranged side by side in a first direction; a base part connecting end parts of the pair of vibration arm parts; a support part having a pair of support arm parts arranged on both sides of the vibration part in the first direction; and a connection part connecting the base part and the support part, in which a gap is formed between the base part and the support part, and taper parts whose width in a second direction orthogonal to a first direction becomes smaller as it draws apart from the base part within a surface of a principal surface of the piezoelectric vibration piece are formed on the connection part. ! COPYRIGHT: (C)2015,JPO&INPIT |
