| 摘要 |
PROBLEM TO BE SOLVED: To provide a crystal device which stably outputs the oscillatory frequency of a crystal element.SOLUTION: A crystal device includes: a rectangular substrate 110; electrode pads 111 provided on four corners on an upper surface of the substrate 110; electrode terminals 112 which are provided at four corners of a lower surface of the substrate 110 and respectively and electrically connected with the electrode pads 111 which overlap with the electrode terminals 112 in a planar perspective view and are located at the four corners; a pair of conductive adhesives 140 which are provided above the substrate 110 so as to be respectively located at the electrode pads 111 diagonally positioned; a crystal element 120 which is provided above the substrate 110 so as to lie astride a space between the pair of adhesives 140; and a sealing lid 130 which is provided along an outer edge on the substrate 110 and seals the crystal element 120. |
