Abstract: A scintillator material is made of a zinc-oxide single crystal grown on a +C surface or a ?C surface of a plate-shaped seed crystal of zinc oxide including a C surface as a main surface. The zinc-oxide single crystal contains In and Li. In response to an incident radiation, the scintillator material emits fluorescence of less than 20-ps fluorescence lifetime.
Abstract: A tuning-fork type piezoelectric resonator plate includes: at least a plurality of leg portions serving as vibrating portions; a bonding portion bonded to the outside, and a base portion from which the leg portions and the bonding portion protrude. The plurality of leg portions protrude from a first end face of the base portion and are provided side-by-side on the first end face. The bonding portion protrude from a second end face located opposite the first end face of the base portion at a position located opposite a center position of the plurality of leg portions in a width direction of the first end face of the base portion. And, at least a base end portion of the bonding portion is used as a bond region that is bonded to the outside.
Abstract: A tuning fork-type piezoelectric resonator plate has a resonator blank comprising a pair of vibrating leg portions and a base portion from which the leg portions protrude. The pair of leg portions are arranged in parallel protrudingly from one end face of the base portion, and a pronged portion is formed between the pair of leg portions in an intermediate position in a width direction of the one end face of the base portion. The base portion has a pair of through holes along the one end face of the base portion, and on another end face side opposite to the one end face of the base portion, a joining region that joins to an external portion. The pair of through holes are specially positioned and have special wall surface configurations.
Abstract: An electronic component package sealing member that can be used as a first sealing member in an electronic component package in which an electrode of an electronic component element is hermetically sealed with the first sealing member and a second sealing member arranged so as to oppose each other, includes: a through hole that passes through a substrate of the electronic component package sealing member; an internal electrode that is formed on a face of the substrate opposing the second sealing member; an external electrode that is formed on a face of the substrate opposite the opposing face; and a through electrode that is formed on an inner side face of the through hole electrically connecting the internal electrode and the external electrode. In the electronic component package sealing member, at least one open face of the through hole is sealed with a resin material.
Abstract: A piezoelectric resonator device in which excitation electrodes of a piezoelectric resonator plate are hermetically sealed, includes a plurality of sealing members that hermetically seal the excitation electrodes of the piezoelectric resonator plate. The plurality of sealing members each have a bonding layer, and at least one of the plurality of sealing members is provided with a bank portion and having the bonding layer formed on a top face of the bank portion. The plurality of sealing members are bonded together with the bonding layers of the sealing members, and a bonding material that contains an intermetallic compound is formed.
Abstract: There are disposed a sealing member, a pair of electrode pads to electrically couple a piezoelectric resonator, a plurality of connection pads to electrically couple an integrated circuit element and the piezoelectric resonator, and wiring patterns to establish electrical continuity between the pair of electrode pads and the plurality of connection pads, and the piezoelectric resonator and the integrated circuit element are disposed side by side in plan view. An output wiring pattern establishes electrical continuity between one of the connection pads and an alternating current output terminal of an oscillation circuit, and a power source wiring pattern establishes electrical continuity between one of the connection pads and a direct current power source terminal of the oscillation circuit. The electrode pads are disposed closer to the power source wiring pattern than the output wiring pattern.
Abstract: A sealing member is for a piezoelectric resonator device that includes a piezoelectric resonator piece and a plurality of sealing members hermetically sealing a resonance region of the piezoelectric resonator piece. The sealing member includes a base material having one principal surface and includes a protruding portion on the one principal surface. The base material has another principal surface having a flat surface and a curved surface. The flat surface is a region corresponding to the protruding portion. The curved surface is a region other than the region of the flat surface. The sealing member includes a plurality of external terminals on the flat surface. The plurality of external terminals are to be connected to an external circuit board. The sealing member includes a plurality of inspection terminals on the curved surface. The plurality of inspection terminals is configured to inspect the piezoelectric resonator piece.
Abstract: A package inner peripheral face 13 of a base 4 is made up of a vertical face 14 and a horizontal face 15, and electrode pads 7 (71 to 78) are formed on the vertical face vertical face 14 of the base 4. The electrode pads 71 to 78 are formed on the vertical face 14 of the base 4 including an intersection line 17 at which the vertical face 14 and the horizontal face 15 intersect; for example, electrode pads 74 and 75 that serve as hetero electrodes are formed adjacently. The distance between the electrode pads 74 and 75 that are adjacent along the intersection line 17 of the vertical face 14 of the base 4 is longer than the shortest distance between the electrode pads 74 and 75 that are adjacent on the vertical face 14 of the base 4.
Abstract: An electronic component package has a base in the shape of a rectangle as viewed from the top, and a metal lid. A terminal electrode on a base bottom surface and a circuit substrate are joined using a conductive adhesive material. In the electronic component package, a first terminal electrode group including two or more terminal electrodes formed in parallel is formed eccentrically to one corner position of the base bottom surface, and a single second terminal electrode, or a second terminal electrode group including two or more terminal electrodes formed in parallel, is formed eccentrically only to a first diagonal position diagonally opposite the one corner position. Also, no-electrode regions in which no terminal electrode is formed along a short side of the base are provided at another corner position facing the one corner position in a short side direction of the base, and a second diagonal position diagonally opposite the other corner position.
Abstract: A lead type piezoelectric resonator device includes a piezoelectric resonator plate and a lead terminal that supports the piezoelectric resonator plate. The piezoelectric resonator plate is provided with a terminal electrode that is electrically connected to the lead terminal, and the lead terminal is provided with a bonding layer that is electrically connected to the piezoelectric resonator plate. The piezoelectric resonator plate and the lead terminal are electromechanically bonded to each other by the terminal electrode and the bonding layer. A bonding material containing an Sn—Cu alloy is produced from the terminal electrode and the bonding layer by the bonding of the terminal electrode and the bonding layer.
Abstract: In a piezoelectric resonator plate, a substrate having a main face formed in a rectangular shape is provided with a vibration portion and a joining portion that are integrated with each other, the vibration portion including a vibration region configured by forming a pair of excitation electrodes, and the joining portion having formed therein a pair of terminal electrodes that is joined to an external portion. The terminal electrodes in the pair each have a conductive bump formed therein and are electrically connected respectively to the excitation electrodes in the pair. Also, the substrate includes a post portion formed convexly at a position where the pair of terminal electrodes is formed.
Abstract: A piezoelectric resonator device is provided with a piezoelectric resonator plate, and first and second sealing members that hermetically seal driving electrodes formed on the piezoelectric resonator plate. The piezoelectric resonator plate and the first sealing member are bonded together with a bonding material, and the piezoelectric resonator plate and the second sealing member are bonded together with a bonding material.
Abstract: A base of an electronic component package holds an electronic component element. The base has a bottom face in a rectangular shape in plan view. The base includes a pair of terminal electrodes having a rectangular shape on the bottom face. The pair of terminal electrodes are to be bonded on an external circuit substrate with a conductive bonding material. The pair of terminal electrodes have mutually symmetrical shapes. Each of the terminal electrodes has a long side adjacent to or on an edge of a long side of the bottom face. The long side of each of the terminal electrodes is disposed parallel to the long side of the bottom face. The long side of each of the terminal electrodes has a length that is more than half a length of the long side of the bottom face.
Abstract: A piezoelectric resonator device comprises a piezoelectric resonator plate, a base for holding the piezoelectric resonator plate, a lid for hermetically enclosing the piezoelectric resonator plate held on the base, and a support member made of a brittle material for reducing external stress to the piezoelectric resonator plate. The piezoelectric resonator plate is held on the base via a support member. In this case, the base, the piezoelectric resonator plate, and the support member are bonded with each other using a base bonding member and a piezoelectric resonator plate bonding member (connection bumps) by FCB using ultrasonic waves. The base is electrically and mechanically bonded with the support member via the base bonding member in a plurality of areas of the support member using ultrasonic waves.
Abstract: A piezoelectric resonator includes a pair of driving electrodes and a pair of lead electrodes that are formed facing each other on the frontside and backside of a piezoelectric plate that operates in a thickness-shear vibration mode. The front and back driving electrodes are formed such that they each have one or more pairs of parallel sides and have the same shape, and their centers face each other. The parallel sides of one of the front and back driving electrodes are formed parallel with either the X-axis or the Z?-axis of the piezoelectric plate, but the parallel sides of the other driving electrodes are formed without being parallel with the X-axis and Z?-axis thereof.
Abstract: A sealing member for an electronic component package includes, on another principal surface of a base material constituting the sealing member for the electronic component package, an external terminal electrode, a wiring pattern, and a resin material. The external terminal electrode is to be electrically coupled to an outside of the electronic component package. The wiring pattern is configured to couple an electronic component element on one principal surface of the base material to the external terminal electrode. The resin material is layered over the other principal surface and the wiring pattern. The external terminal electrode is layered over the wiring pattern and the resin material.
Abstract: An electronic component package includes a first sealing member and a second sealing member. The first sealing member has one principal surface on which an electronic component element is to be mounted. The second sealing member is opposite the first sealing member. The second sealing member hermetically encloses an electrode of the electronic component element. A through hole passes through between one principal surface and another principal surface of a substrate constituting the first sealing member. A conducting material fills the through hole. A resin material seals an open end portion of the through hole at a side of the other principal surface of the substrate.
Abstract: A sealing member of a piezoelectric resonator device is configured to hermetically seal a driving electrode formed on a piezoelectric resonator plate. In the sealing member, a through hole is formed so that an electrode pattern formed on both major surfaces of the substrate is brought into conduction; and a conductive member fills in the through hole. The through hole has a smaller diameter at a portion thereof inside the substrate than at both end portions thereof at the major surfaces of the sealing member. Both end faces of the conductive member have a concave shape with respect to the major surfaces of the substrate of the sealing member.