Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, and a package base having a first principal surface and a second principal surface having an opposed surface relationship with each other, the quartz crystal resonator element is mounted on the first principal surface side, the thermistor is housed in a recessed section of the second principal surface side of the package base, a plurality of electrode terminals connected to the quartz crystal resonator element or the thermistor is disposed on the second principal surface side of the package base, and a distance in a first direction perpendicular to the first principal surface from a mounting surface of the electrode terminals to the thermistor is equal to or longer than 0.05 mm.

Abstract: A resonator element includes a quartz crystal substrate having a main surface along a plane including an X-axis and a Z?-axis, and a thickness in a Y?-axis direction. The quartz crystal substrate includes a vibrating portion including a side along the X-axis, a side along the Z?-axis, and a peripheral portion having a thickness smaller than that of the vibrating portion, which is provided along an outer edge of the vibrating portion. The vibrating portion includes a first portion and a second portion having a thickness smaller than that of the first portion, which is provided on at least an outer edge on a +X side of the X-axis and an outer edge on a ?X side thereof, among outer edges of the first portion. When Z is a length of the quartz crystal substrate along the Z?-axis, and t is a thickness of the first portion, 11<Z/t?53.

Abstract: A resonator element includes a quartz crystal substrate in which a plane including X and Z? axes is set as a main plane and a direction oriented along a Y? axis is a thickness direction. The quartz crystal substrate includes a first region in which thickness shear vibration is generated, a second region that has a thickness thinner than the first region, and first protrusions that are disposed between one pair of electrode pads disposed to be lined in a direction oriented along a Z? axis on a mounted side of the second region. When Lx is a length of the first protrusions along the X axis and ? is a wavelength of flexural vibration of the quartz crystal substrate, a relation of “?/2×(2n+1)?0.1??Lx??/2×(2n+1)+0.1?” (where n is a positive integer) is satisfied.

Abstract: A resonator element includes a first region which includes a first portion and a second portion having a thickness thinner than the first portion. In a plan view, the second portion includes an outer frame in two edges present in opposite regions to regions facing the first portion, and a contour of the outer frame is bent more gently than a contour of an edge of the first portion. When R is a length of the outer frame along the X axis, ? is a wavelength of flexural vibration of the quartz crystal substrate, and R/(?/2)=k, a relation of “0.1<k<1.4” is satisfied.

Abstract: A resonator element includes a quartz crystal substrate in which a plane including X and Z? axes is set as a main plane and a direction oriented along Y? axis is a thickness direction. The quartz crystal substrate includes a first region that includes a side along the X axis and a side along the Z? axis, a second region that has a thickness thinner than the first region. When Mx is a length of the first region along the X axis, Mz is a length of the first region along the Z? axis, Z is a length of the quartz crystal substrate along the Z? axis, and lz is a length of the second region along the Z? axis interposed between the first region and an outer frame of the quartz crystal substrate, relations of 0.9<Mz/Mx<1.175 and 0.085<lz/Z<0.18 are satisfied.

Abstract: A resonator includes: a resonator element including a quartz crystal substrate that includes a first area performing a thickness-shear vibration and a second area with a thickness thinner than the first area and located around the first area; and a base substrate to which the second area of the resonator element on one edge side thereof is attached via a bonding material. The quartz crystal substrate has a major surface that is a surface including an X-axis and a Z?-axis, and has a thickness in a direction along a Y?-axis. The resonator satisfies the relation: 1.5×??Xp where Xp is the maximum length of an area of the second area where the bonding material is bonded along the X-axis in a plan view and ? is the wavelength of a flexural vibration occurring in the quartz crystal substrate.

Abstract: A resonator element includes a quartz crystal substrate having a main surface along a plane including an X-axis and a Z?-axis, and a thickness in a Y?-axis direction. The quartz crystal substrate includes a vibrating portion including a side along the X-axis, a side along the Z?-axis, and a peripheral portion having a thickness smaller than that of the vibrating portion, which is provided along an outer edge of the vibrating portion. The vibrating portion includes a first portion and a second portion having a thickness smaller than that of the first portion, which is provided on at least an outer edge on a +X side of the X-axis and an outer edge on a ?X side thereof, among outer edges of the first portion. When Z is a length of the quartz crystal substrate along the Z?-axis, and t is a thickness of the first portion, 11<Z/t?53.

Abstract: A resonator element includes a quartz crystal substrate having a main surface along a plane including an X-axis and a Z?-axis, and a thickness in a Y?-axis direction. The quartz crystal substrate includes a vibrating portion including a side along the X-axis, a side along the Z?-axis, and a peripheral portion having a thickness smaller than that of the vibrating portion, which is provided along an outer edge of the vibrating portion. The vibrating portion includes a first portion and a second portion having a thickness smaller than that of the first portion, which is provided on at least an outer edge on a +X side of the X-axis and an outer edge on a ?X side thereof, among outer edges of the first portion. When Z is a length of the quartz crystal substrate along the Z?-axis, and t is a thickness of the first portion, 11<Z/t?53.

Abstract: A resonator includes: a resonator element including a quartz crystal substrate that includes a first area performing a thickness-shear vibration and a second area with a thickness thinner than the first area and located around the first area; and a base substrate to which the second area of the resonator element on one edge side thereof is attached via a bonding material. The quartz crystal substrate has a major surface that is a surface including an X-axis and a Z?-axis, and has a thickness in a direction along a Y?-axis. The resonator satisfies the relation: 1.5×??Xp where Xp is the maximum length of an area of the second area where the bonding material is bonded along the X-axis in a plan view and ? is the wavelength of a flexural vibration occurring in the quartz crystal substrate.

Abstract: A resonator element includes a quartz crystal substrate in which a plane including X and Z? axes is set as a main plane and a direction oriented along a Y? axis is a thickness direction. The quartz crystal substrate includes a first region in which thickness shear vibration is generated, a second region that has a thickness thinner than the first region, and first protrusions that are disposed between one pair of electrode pads disposed to be lined in a direction oriented along a Z? axis on a mounted side of the second region. When Lx is a length of the first protrusions along the X axis and X is a wavelength of flexural vibration of the quartz crystal substrate, a relation of “?/2×(2n+1)?0.1??Lx?/2×(2n+1)+0.1 ?” (where n is a positive integer) is satisfied.

Abstract: A method of manufacturing a vibration device includes a process of strongly exciting a vibrator element by applying power, which is higher than drive power during use of the vibrator element, to the vibrator element, and a process of adjusting a frequency of the vibrator element after the process of strongly exciting the vibrator element.

Abstract: A resonator element includes a first region which includes a first portion and a second portion having a thickness thinner than the first portion. In a plan view, the second portion includes an outer frame in two edges present in opposite regions to regions facing the first portion, and a contour of the outer frame is bent more gently than a contour of an edge of the first portion. When R is a length of the outer frame along the X axis, ? is a wavelength of flexural vibration of the quartz crystal substrate, and R/(?/2)=k, a relation of “0.1<k<1.4” is satisfied.

Abstract: A resonator element includes a quartz crystal substrate in which a plane including X and Z? axes is set as a main plane and a direction oriented along Y? axis is a thickness direction. The quartz crystal substrate includes a first region that includes a side along the X axis and a side along the Z? axis, a second region that has a thickness thinner than the first region. When Mx is a length of the first region along the X axis, Mz is a length of the first region along the Z? axis, Z is a length of the quartz crystal substrate along the Z? axis, and lz is a length of the second region along the Z? axis interposed between the first region and an outer frame of the quartz crystal substrate, relations of 0.9<Mz/Mx<1.175 and 0.085<lz/Z<0.18 are satisfied.