Abstract:
A resonator element includes: a base portion including a first end surface that faces a first direction and a second end surface that faces a direction opposite to the first direction, a first vibrating arm that is provided integrally with the base portion and is connected to the first end surface; and a second vibrating arm that is provided integrally with the base portion along the first vibrating arm and is connected to the first end surface. When the shortest distance between the first end surface and the second end surface is Wb and an effective width between the shortest distance Wb and the base portion is We, 0.81≦Wb/We≦1.70 is satisfied.
Abstract:
A resonator element includes a base section, at least one pair of vibrating arms protruding from the base section, a support arm protruding from the base section, and a first through hole provided to the support arm, and penetrating the support arm in a thickness direction, and is fixed to an object via an adhesive entering the first through hole.
Abstract:
A resonator element includes a base section, at least one pair of vibrating arms protruding from the base section, a support arm protruding from the base section, and a first through hole provided to the support arm, and penetrating the support arm in a thickness direction, and is fixed to an object via an adhesive entering the first through hole.
Abstract:
A vibrator includes a vibrator element and a base on which the vibrator element is installed. In addition, when n is set to a natural number equal to or greater than 2, and j is set to a natural number equal to or greater than 1 and equal to or less than n, the vibrator element includes n inherent vibration modes having resonance frequencies different from each other, and when a resonance frequency of a main vibration of the vibrator element in the n inherent vibration modes is set to ω1 in a relationship between an arbitrary integer kj and a resonance frequency ωj corresponding to each of the n inherent vibration modes, the following three expressions are all satisfied. Δω ≡ ( ∑ j = 2 n k j ω j - k 1 - ω 1 ) / ω 1 ω 1 ≥ 0.1 3 ≤ ∑ j = 1 n k j ≤ 10
Abstract:
A resonator element satisfies, when a shortest distance between a first end portion and a second end portion of a base is Wb [m], an effective width of the base in a Y axis direction is We [m], and a Q value of the resonator element is Q, the following expressions (A) and (B). Q={(ρ·Cp)/(c·α2·Θ)}×[{1+(2·ρ·Cp·We2·f/(π·k))2}/(2·ρ·Cp·We2·f/(π·k))] (A) 0.81≦Wb/We≦1.70 (B)
Abstract:
A resonator element capable of improving impact resistance is provided. A quartz crystal resonator element is a resonator element formed by etching a Z plate which is cut at predetermined angles with respect to the crystal axes of a quartz crystal. The quartz crystal resonator element includes a base, a pair of resonating arms extending from the base in the Y-axis direction, and a positive X-axis notch and a negative X-axis notch formed by notching the base in the X-axis direction. The positive X-axis notch is formed by notching the base from the negative side of the X axis towards the positive side so that the width of the positive X-axis notch increases as it approaches the outer circumference.
Abstract:
A resonator element includes a base portion and a pair of vibrating arms that are provided integrally with the base portion and extend in a Y-axis direction from a distal end of the base portion. When the lengths of the vibrating arms are set to L and the lengths of hammerheads are set to H, a relation of 0.183≦H/L≦0.597 is satisfied. When a resonance frequency of a basic vibration mode is set to ω0 and a resonance frequency of a vibration mode different from the basic vibration mode is set to ω1, a relation of (|ω0−ω1|)/ω0≧0.124 is satisfied.
Abstract translation:谐振器元件包括基部和一对振动臂,其与基部一体地设置并且从基部的远端沿Y轴方向延伸。 当振动臂的长度设定为L,锤头的长度设定为H时,满足0.183≦̸ H / L≦̸ 0.597的关系。 当将基本振动模式的共振频率设定为ω0,将与基本振动模式不同的振动模式的共振频率设定为ω1时,满足(|ω0-ω1|)/ω0≥0.124的关系。
Abstract:
A resonator element has a base part, vibrating arms having first principal surfaces and second principal surfaces in front-rear relationships with each other and extending from the base part, and side surfaces connected to the first principal surfaces and the second principal surfaces on ends of the vibrating arms, and the side surfaces are slopes having tilts with respect to perpendicular lines of the first principal surfaces or the second principal surfaces and provided from the first principal surfaces to the second principal surfaces, and crystal faces.
Abstract:
A resonator element includes a base portion, and a vibrating arm which extends from the base portion and on which a weight portion is provided, and the weight portion includes a first weight portion which is disposed on one main surface of a distal end portion of the vibrating arm, and a second weight portion which is disposed on the distal end side with respect to the first weight portion and has a thickness smaller than that of the first weight portion. The vibrating arm transmits an energy beam, and a laser incidence area where incidence of the energy beam to the inside of the vibrating arm is allowed, is disposed in a position of the other main surface on the opposite side of the vibrating arm overlapped with the second weight portion.
Abstract:
A quartz crystal resonator element includes a first electrode pad and a second electrode pad disposed on a lower surface of a support arm, and cut sections disposed in both principal surfaces (upper and lower surfaces) of the support arm between the first and second electrode pads so as to overlap each other, and the cut sections extend so that the support arm is cut from the side surface in the +X-axis direction of the support arm to the −X-axis direction, and are provided with first surfaces roughly perpendicular to the X axis and first and second tilted surfaces extending in the +X-axis direction.