Seiko Epson Corporation

Shinya Aoki

Ryuta Nishizawa

Atsushi Matsuo

Masashi Shimura

Shiro Murakami

Shoichiro Kasahara

Osamu Kawauchi

Juichiro Matsuzawa

Masaru Mikami

Byonhaku Yu

Manabu Shiraki

Yoshio Maeda

Takayuki Kikuchi

Naohisa Obata

Hisahiro Ito

Kazuhiko Akahane

The vibrator device includes a vibrator element, a relay substrate, a base, an element-side bonding member for bonding the vibrator element and the relay substrate to each other, and a base-side bonding member for bonding the base and the relay substrate to each other. Further, the element-side bonding member has a first bonding member and s second bonding member arranged side by side along an A axis. Further, an X axis of a first quartz crystal substrate provided to the vibrator element is parallel to the A axis, and a second quartz crystal substrate provided to the relay substrate is a Z-cut quartz crystal substrate.

Vibrator device and vibrator module

An electronic component package includes a lid, a first layer, a second layer disposed between the first layer and the lid and configuring a first frame, a third layer disposed between the second layer and the lid and configuring a second frame, a bonding member bonding the third layer to the lid, and a via wire electrically coupled to the lid and penetrating the second frame, in which, when an inner diameter of a first corner portion of the first frame is denoted by R1 and an inner diameter of a second corner portion of the second frame overlapping the first corner portion in a plan view is denoted by R2, R1&#x3c;R2, and an inner surface of the second corner portion protrudes more than an inner surface of the first corner portion in a cross-sectional view.

Electronic component packages, electronic component, and oscillator

An oscillator includes: a resonator element; a circuit element configured to output a clock signal; and a container accommodating the resonator element and the circuit element and including a substrate having a first surface. The substrate includes a first electrode provided on the first surface and electrically coupled to the resonator element, a second electrode electrically coupled to the resonator element, and an output electrode configured to output the clock signal. The first electrode and the second electrode are disposed side by side in a first direction. The output electrode is disposed adjacent to the first electrode in a second direction orthogonal to the first direction. When an end portion of the first electrode on a side close to the second electrode is defined as a first end portion, the output electrode includes a first region disposed closer to the second electrode side than the first end portion in the first direction.

Oscillator

An oscillator includes: a resonator element; a circuit element; and a container including a substrate mounted with the circuit element, in which the circuit element includes a first coupling terminal coupled to the resonator element, a second coupling terminal coupled to the resonator element and aligned in a first direction with the first coupling terminal in the first direction, and an output terminal disposed adjacent to the first coupling terminal in a second direction orthogonal to the first direction, in the second direction orthogonal to the first direction, and in which the substrate includes a first surface mounted with the circuit element and a second surface, and the substrate includes a first coupling electrode provided on the first surface and coupled to the first coupling terminal, a second coupling electrode coupled to the second coupling terminal, an output electrode coupled to the output terminal, a first coupling wiring provided on the second surface and coupled to the first coupling electrode, a second coupling wiring coupled to the second coupling electrode, an output wiring coupled to the output electrode, and a shield wiring that is provided between the first coupling wiring and the output wiring and to which a direct-current potential is applied.

An oscillator includes a package having a plurality of external terminals disposed on a mounting surface, a circuit element housed in the package, and a resonator which is housed in the package, and is electrically coupled to the circuit element, wherein the circuit element is electrically coupled to the package with a plurality of pads each of which is bonded to the package via a bump member, the circuit element overlaps at least one of the external terminals in a plan view, and each of the bump members is bonded to the package at a position where at least a part of the bump member does not overlap the plurality of external terminals in the plan view.

Oscillator and method of manufacturing same

An oscillator includes a package having a plurality of external terminals disposed on a mounting surface, a circuit element housed in the package, and a resonator which is housed in the package, and is electrically coupled to the circuit element, wherein the circuit element is electrically coupled to the package with a plurality of pads each of which is bonded to the package via a bump member, the circuit element has a rectangular shape in a plan view, and at least three of closest ones to four corners of the circuit element out of the bump members are bonded to the package at respective positions overlapping the plurality of external terminals in the plan view.

A vibration device has a substrate, a mount disposed on the substrate, a vibration element having a base end and a tip end, the base end being disposed on the mount, and an adhesive fixing the mount and the vibration element. The mount has a first protrusion and a second protrusion disposed to be aligned in a first direction in which the base end and the tip end are aligned, and whose protrusion heights on the vibration element side differ from each other, the second protrusion is located on the base end side of the vibration element relative to the first protrusion, the vibration element is disposed on the first protrusion and the second protrusion, and a portion of the vibration element on the base end side relative to the second protrusion is separated from the substrate and the mount.

Vibration device

A resonator device includes a quartz crystal substrate, a resonator element including a first excitation electrode arranged on a first surface of the quartz crystal substrate, a second excitation electrode arranged on a second surface of the quartz crystal substrate in opposition to the first excitation electrode, and first and second pad electrodes that are arranged on the first surface and are coupled to the first and second excitation electrodes, a base including a substrate and first and second interconnects arranged on the substrate, a first bonding member bonding the first pad electrode to the first interconnect, and a second bonding member bonding the second pad electrode to the second interconnect. The first and second bonding members are arranged such that a first imaginary line that passes through a centroid of the resonator element and is parallel to an X axis is interposed between the first and second bonding members. An angle &#x3b8;1 formed between the first imaginary line and a second imaginary line passing through the first bonding member and the second bonding member is 100&#xb0;&#x3c;&#x3b8;1&#x3c;140&#xb0;.

Resonator device, resonator module, electronic apparatus, and vehicle

In the oscillator, a quartz crystal resonator and an oscillation circuit formed in an IC incorporating an inductor are electrically coupled to each other with a resonator interconnection disposed on a surface of a substrate to form an oscillation loop. A conductor layer disposed as an intermediate layer of the substrate is disposed so as to overlap the resonator interconnection and not to overlap the inductor incorporated in the IC in a plan view.

Oscillator, electronic apparatus, and vehicle

A resonator element includes a quartz crystal substrate including a supporting section, a resonating section, and a coupling section coupling the supporting section and the resonating section and having thickness smaller than the thickness of the supporting section, the supporting section including a first principal plane and a first side surface coupling the first principal plane and the coupling section, a first excitation electrode disposed in the resonating section, a second excitation electrode disposed in the resonating section and overlapping the first excitation electrode via the resonating section, and first and second pad electrodes including portions disposed on the first principal plane, the first and second pad electrodes being electrically coupled to the first and second excitation electrodes.

Resonator element, resonator device, oscillator, electronic device, and vehicle

A vibrator device includes a base; and a vibrator element including a quartz crystal vibrator element attached to the base via a first metal bump, in which the first metal bump is disposed on a straight line inclined within a range of +55&#xb0; to +65&#xb0; or &#x2212;65&#xb0; to &#x2212;55&#xb0; with respect to an X axis of the quartz crystal constituting the quartz crystal vibrator element in plan view seen from a direction in which the base and the quartz crystal vibrator element are arranged.

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.

Vibrator device, method of manufacturing vibrator device, electronic apparatus, and vehicle

A resonator element includes a quartz crystal substrate including a first surface along an X axis which is an electrical axis, a second surface along the X axis, and a side surface, a first excitation electrode, a second excitation electrode, a first coupling electrode, a second coupling electrode, a first extraction electrode that couples the first excitation electrode and the first coupling electrode, and a second extraction electrode that couples the second excitation electrode and the second coupling electrode. In plan view, a virtual extension region is obtained by extending the first excitation electrode along the X axis.

Resonator element, resonator device, electronic apparatus, and vehicle

A vibrator device includes a base, a relay substrate that is supported by the base, and a vibrator element that is supported by the relay substrate. In addition, the vibrator element includes a vibration substrate formed of a piezoelectric single-crystalline body and an excitation electrode disposed on the vibration substrate. In addition, the relay substrate includes a substrate formed of the piezoelectric single-crystalline body. A crystal axis of the substrate and a crystal axis of the vibration substrate are shifted from each other.

A vibrator device includes a base, a first relay substrate mounted on the base, a second relay substrate mounted on the first relay substrate, and a vibrator element mounted on the second relay substrate, in which the second relay substrate is disposed between the first relay substrate and the vibrator, and the second relay substrate includes a terminal that is electrically coupled to the vibrator element and is positioned in a region overlapping with the first relay substrate and not overlapping the vibrator element in a plan view. The vibrator device being configured to reduce a mounting stress applied to a vibrator element and to reduce frequency variation of the vibrator element due to the mounting stress, in a case of mounting on a package after adjusting a frequency of the vibrator element.

Growing community of inventors

Minowa-machi, Japan

Shinya Aoki