Vibrator device, oscillator, electronic device, and vehicle
A vibrator device includes a circuit element, which has a first terminal and is a quadrangle in plan view, a vibrator, which is disposed on an active surface and is a quadrangle in plan view, a base, on which the circuit element is disposed and which has a second terminal, and a wire which connects the first terminal and the second terminal together. In plan view of the circuit element, at least one side of the vibrator is disposed along a direction where the one side intersects each of two adjacent sides of the circuit element, and the vibrator does not overlap the first terminal.
1. An oscillator comprising:
a circuit element having a first surface and a second surface opposite to the first surface, having a first terminal on the first surface and being a quadrangle in plan view;
a base on which the circuit element is disposed such that the second surface of the circuit element faces the base and which has a second terminal;
a vibrator that has a vibrator element including a quartz crystal substrate and an electrode formed on the quartz crystal substrate, a vibrator element package configured by a base body and a lid and accommodating the vibrator element, and a third terminal disposed on a surface of the base body opposite to the lid, the vibrator being a quadrangle in plan view and being disposed on the circuit element with the lid facing the first surface of the circuit element; and
a wire that connects the first terminal and the second terminal across a thickness of the circuit element,
wherein in plan view of the circuit element, at least one side of the vibrator is disposed along a direction where the one side intersects each of two adjacent sides of the circuit element, and the vibrator does not overlap the first terminal.
2. The oscillator according to claim 1 ,
wherein in the plan view, any one of corners of the vibrator is positioned outside the circuit element.
3. The oscillator according to claim 1 ,
wherein in the plan view, any one of corners of the vibrator is in contact with an outline of the circuit element.
4. The oscillator according to claim 1 ,
wherein when an area of the circuit element is set as M1 and an area of the vibrator is set as M2 in the plan view, 0.5≤M2/M1≤1 is satisfied.
5. The oscillator according to claim 1 ,
wherein in the plan view, the plurality of second terminals are disposed on a perimeter of the circuit element and along each of four sides of the circuit element.
6. The oscillator according to claim 1 , further comprising:
a mold portion that is provided on the base and covers the circuit element and the vibrator.
7. An electronic device comprising the oscillator according to claim 1 .
8. A vehicle comprising the oscillator according to claim 1 .
9. The oscillator according to claim 1 ,
wherein the lid is configured by a conductive material and is electrically connected to the circuit element to have a reference potential.