Vibrator device, method of manufacturing vibrator device, electronic apparatus, and vehicle
A vibrator device includes abase, a circuit element that is attached to the base, and a vibrator element that is arranged at an active surface of the circuit element and is attached to the circuit element, and the circuit element includes a terminal for frequency adjustment that is used for frequency adjustment of the vibrator element and is disposed in a region that does not overlap the vibrator element when viewed in a plan view of the active surface.
1. A vibrator device comprising:
a base;
a circuit element that is attached to the base;
a relay substrate that is attached to an active surface of the circuit element via a connection bump and has an outer peripheral edge smaller than that of the circuit element when viewed in a plan view of the active surface; and
a vibrator element that is attached to the circuit element through the relay substrate,
wherein the circuit element includes a terminal for frequency adjustment that is used for frequency adjustment of the vibrator element and is disposed in a region that does not overlap the relay substrate when viewed in the plan view of the active surface.
2. The vibrator device according to claim 1 ,
wherein the terminal for frequency adjustment is positioned on an outer region of the relay substrate when viewed in the plan view.
3. The vibrator device according to claim 1 ,
wherein the relay substrate includes
a first portion that is attached to the base,
a second portion,
a first beam portion that connects the first portion and the second portion to each other on a first axis,
a third portion, and
a second beam portion that connects the second portion and the third portion to each other on a second axis intersecting the first axis, and
the vibrator element is attached to the third portion.
4. The vibrator device according to claim 1 , further comprising:
a lid body that is bonded to the base so as to accommodate the vibrator element, the relay substrate, and the circuit element between the base and the lid body.
5. An electronic apparatus comprising the vibrator device according to claim 1 .
6. A method of manufacturing a vibrator device, the method comprising:
preparing a circuit element in which a terminal for frequency adjustment that is used for frequency adjustment of a vibrator element is disposed on an active surface, and disposing the vibrator element on the active surface so as not to overlap the terminal for frequency adjustment when viewed in a plan view of the active surface and a relay substrate having an outer peripheral edge smaller than that of the circuit element;
disposing the vibrator element on the relay substrate;
disposing the relay substrate on the active surface via a connection bump so as not to overlap the terminal for frequency adjustment when viewed in a plan view of the active surface; and
processing an excitation electrode included in the vibrator element to adjust frequency of the vibrator element.
7. The method of manufacturing a vibrator device according to claim 6 , further comprising, prior to the disposing of the vibrator element on the circuit element:
preparing a substrate on which the vibrator element is formed;
processing the excitation electrode to adjust the frequency of the vibrator element; and
separating the vibrator element from the substrate.
8. The method of manufacturing a vibrator device according to claim 7 ,
wherein the vibrator element includes a vibration substrate, a first excitation electrode disposed on one principal surface of the vibration substrate, and a second excitation electrode disposed on the other principal surface,
the adjusting of the frequency of the vibrator element in a state where the vibrator element is disposed on the substrate includes processing the first excitation electrode, and
the adjusting of the frequency of the vibrator element in a state where the vibrator element is disposed on the circuit element includes processing the second excitation electrode.
9. The method of manufacturing a vibrator device according to claim 6 , further comprising:
disposing the circuit element on a base after the frequency of the vibrator element is adjusted in a state where the vibrator element is disposed on the circuit element, and
bonding a lid body to the base so as to accommodate the circuit element and the vibrator element between the base and the lid body.
10. A vehicle comprising the vibrator device according to claim 1 .
11. A vibrator device comprising:
a base;
a circuit element that is attached to the base;
a vibrator element that is arranged at an active surface of the circuit element and is attached to the circuit element, and
a relay substrate that is positioned between the circuit element and the vibrator element;
wherein the circuit element includes a terminal for frequency adjustment that is used for frequency adjustment of the vibrator element and is disposed in a region that does not overlap the vibrator element when viewed in the plan view of the active surface,
wherein the relay substrate includes
a first portion that is attached to the base,
a second portion,
a first beam portion that connects the first portion and the second portion to each other on a first axis,
a third portion, and
a second beam portion that connects the second portion and the third portion to each other on a second axis intersecting the first axis, and
the vibrator element is attached to the third portion.