| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vibration device which distributes to a request for downsizing, miniaturization, and commercial production, and has high reliability of oscillation frequency, and like. <P>SOLUTION: A vibration device of the present invention includes: a package on which a vibration piece is mounted; a lid body which houses the vibration piece in a cavity; an adhesion layer which has a first melting point and bonds the package and the lid body; and a metal layer which has a second melting point higher than the first melting point and covers the package, adhesion layer, and lid body. <P>COPYRIGHT: (C)2013,JPO&INPIT |
