Patent classifications
H03H9/0509
Piezoelectric vibrator
A piezoelectric vibrator that includes a piezoelectric resonator, a substrate having opposite first and second principal surfaces, and an electrically conductive holding member holding the piezoelectric resonator on the first principal surface of the substrate such that the piezoelectric resonator is able to be excited. The electrically conductive holding member contains a first filler containing an electrically conductive material as a main component and a second filler containing an electrically insulating material as a main component and having a smaller Young's modulus than the first filler. In a plan view in a direction normal to the first principal surface of the substrate, the second filler is more densely disposed in an outer peripheral region of the electrically conductive holding member than in a central region of the electrically conductive holding member.
Pedestal mounted with a blank, crystal unit, and oscillator
A pedestal on which a beveled blank is mounted is provided with a recess portion and an edge portion. The recess portion is provided in a central part of a surface of a pedestal body of the pedestal. The edge portion is adjacent to the recess portion to which the blank is fixed. The recess portion has a length in the short side direction of the pedestal body longer than that of the short side of the blank.
Crystal device and resonance element
A resonance element supported by a bearing structure includes a crystal chip and an excitation electrode. The crystal chip includes a main surface having a support surface portion being in contact with the bearing structure. The excitation electrode is disposed on the main surface, has an electrode area, and includes an electrode indentation boundary partly encompassing the support surface portion. The electrode indentation boundary has a first boundary end and a second boundary end being opposite to the first boundary end. The electrode indentation boundary and a reference line segment defined by the first and the second boundary ends form an electrode indentation region having an indentation area. A ratio of the indentation area to the electrode area ranges from 0.05 to 0.2.
Device for subcutaneous delivery of fluid medicament
An improved device delivers a fluid medicament to the subcutaneous tissue of a user. The device is better suited for patients with Parkinson's Disease and other central nervous system disorders, than conventional infusion devices. The device can include a reusable part including a drive component (e.g., motor) and control electronics and a disposable part including a medicament reservoir. Medicament can be evacuated from the medicament reservoir by a plunger assembly that includes a plunger attached to a lead screw that is rotated by a nut, all within the disposable part. The device can be fluidically coupled with the tissue via a flexible cannula. Various embodiments relate to an improved cannula insertion mechanism that delivers the cannula under a force applied by a spring. Various embodiments relate to improved filling of the device, for example, using a vial adapter and an automated filling station.
VIBRATOR DEVICE AND METHOD FOR MANUFACTURING VIBRATOR DEVICE
A vibrator device includes: an element substrate including a frame portion having a first surface and a second surface, and a vibrator element disposed inside the frame portion; a first substrate having a third surface and a fourth surface, the first substrate being bonded to the first surface of the frame portion at the third surface; a second substrate having a fifth surface and a sixth surface, the second substrate being bonded to the second surface of the frame portion at the fifth surface; and a cavity surrounded by the frame portion, the first substrate, and the second substrate. The second substrate includes a through electrode at a position overlapping the frame portion in the plan view. An outer shape of the through electrode in the sixth surface in the plan view includes a first portion and a second portion. The first portion is located at a position closer to the cavity than is the second portion. A curvature of the first portion is smaller than a curvature of the second portion.
Vibration substrate having a pair of holding portions and a beam portion connecting the holding portions, vibrator, and vibrator unit
The vibration substrate having a main surface extending parallel to a first direction and a second direction that are orthogonal to each other, and that includes a main body region having a vibrating portion at least in a part thereof and at least one holding region arranged side by side with the main body region along the first direction. The at least one holding region including a holding portion and a beam portion connecting the holding portion and the main body region. The beam portion includes a first arm portion extending from the holding portion along the first direction, a second arm portion extending along the second direction from an end portion of the first arm portion on a side thereof opposite to the holding portion, and a connection portion connecting the second arm portion and the main body region.
Piezoelectric device and manufacturing method of the same
A piezoelectric device includes a container and an AT-cut crystal element. The AT-cut crystal element has at least one side surface intersecting with a Z′-axis of the crystallographic axis of the crystal constituted of three surfaces. The first surface is a surface equivalent to a surface formed by rotating the principal surface by 4°±3.5° with an X-axis of the crystal as a rotation axis. The second surface is a surface equivalent to a surface formed by rotating the principal surface by −57°±5° with the X-axis. The third surface is a surface equivalent to a surface formed by rotating the principal surface by −42°±5° with the X-axis. When two corner portions on a side of a second side opposed to the first side of the AT-cut crystal element are viewed in plan view, each of the two corner portions have an approximately right angle.
WAFER SCALE PACKAGING
A method of wafer scale packaging acoustic resonator devices and an apparatus therefor. The method including providing a partially completed semiconductor substrate comprising a plurality of single crystal acoustic resonator devices, each having a first electrode member, a second electrode member, and an overlying passivation material. At least one of the devices to be configured with an external connection, a repassivation material overlying the passivation material, an under metal material overlying the repassivation material. Copper pillar interconnect structures are then configured overlying the electrode members, and solder bump structures are form overlying the copper pillar interconnect structures.
VIBRATOR DEVICE, VIBRATOR MODULE, AND ELECTRONIC APPARATUS
A vibrator device includes a base, a vibrator element attached to the base, and a lid housing the vibrator element between the base and itself and bonded to the base. The base has a semiconductor substrate including a first surface bonded to the lid and a second surface in a front-back relationship with the first surface, a first insulating layer placed on the first surface, first, second internal terminals placed on the first insulating layer and electrically coupled to the vibrator element, a second insulating layer placed on the second surface, and first, second external terminals placed on the second insulating layer and electrically coupled to the first, second internal terminals. The second insulating layer has a first external terminal region in which the first external terminal is placed and a second external terminal region separated from the first external terminal region, in which the second external terminal is placed.
Electronic component housing package, electronic apparatus, and electronic module
An electronic component housing package includes a base having a first principal face provided with a mounting section for mounting an electronic component; a frame having a second principal face, the frame being disposed on the base so as to surround the mounting section; a frame-shaped metallized layer disposed on the second principal face of the frame; and a side-surface conductor disposed on an inner side surface of the frame, the side-surface conductor connecting the frame-shaped metallized layer and a relay conductor formed on the first principal face, the side-surface conductor being covered with an insulating film from one end to the other end in a width direction of the side-surface conductor.