摘要:
The invention provides a piezoelectric oscillator that allows for fine adjustment of the frequency after resin molding, a manufacturing method therefor, and a mobile phone and an electronic apparatus using the piezoelectric oscillator. The piezoelectric oscillator can include a resonator package, in which a piezoelectric resonator element is housed, and a semiconductor device, in which an oscillation circuit that is electrically connected to the resonator package is incorporated. The resonator package and the semiconductor device can be fixed to corresponding different surfaces of an island portion of a lead frame, and resin molding is performed so that a transparent lid of the resonator package is exposed to the outside.
摘要:
The invention provides a piezoelectric oscillator that allows for fine adjustment of the frequency after resin molding, a manufacturing method therefor, and a mobile phone and an electronic apparatus using the piezoelectric oscillator. The piezoelectric oscillator can include a resonator package, in which a piezoelectric resonator element is housed, and a semiconductor device, in which an oscillation circuit that is electrically connected to the resonator package is incorporated. The resonator package and the semiconductor device can be fixed to corresponding different surfaces of an island portion of a lead frame, and resin molding is performed so that a transparent lid of the resonator package is exposed to the outside.
摘要:
A piezoelectric device includes: a substrate having an electrode terminal portion on an upper surface thereof, an electronic part arranged on an upper side of the substrate; and a piezoelectric resonator arranged on an upper side of the electronic part, wherein a surface of the electronic part opposite to a surface having a pad portion is bonded to a lower surface of the piezoelectric resonator having an external terminal portion and the pad portion of the electronic part and the external terminal portion of the piezoelectric resonator are wire-bonded to each other, and wherein the surface of the electronic part having the pad portion is mounted face down on the upper surface of the substrate.
摘要:
A piezoelectric device includes: a substrate having an electrode terminal portion on an upper surface thereof; an electronic part arranged on an upper side of the substrate; and a piezoelectric resonator arranged on an upper side of the electronic part, wherein a surface of the electronic part opposite to a surface having a pad portion is bonded to a lower surface of the piezoelectric resonator having an external terminal portion and the pad portion of the electronic part and the external terminal portion of the piezoelectric resonator are wire-bonded to each other, and wherein the surface of the electronic part having the pad portion is mounted face down on the upper surface of the substrate.
摘要:
To provide a piezoelectric oscillator in which the size in the thickness direction can be made smaller and the space required for mounting can be made smaller, and a portable telephone and electronic equipment using the piezoelectric oscillator, a resonator package accommodating a piezoelectric resonating element therein, and an IC chip fixed onto a rear surface of the resonator package and having an oscillating circuit therein are provided, and an inner lead portions of a lead frame are fixed onto the rear surface of the resonator package and the resonator package and the IC chip are resin molded except for an outer lead portion of the lead frame.
摘要:
To provide a piezoelectric oscillator which can be reduced in size by reducing the planar size. With regard to a layered lead frame comprising two lead frames and, connection leads for connection with a piezoelectric resonator are formed on the upper lead frame and the connection leads are erected upwards so as to form connection terminals, and mounting leads for mounting to a mounting board are formed on the lower lead frame and the mounting leads are erected downwards so as to form mounting terminals, and an IC forming an oscillating circuit is mounted on the layered lead frame, the piezoelectric resonator formed by sealing a piezoelectric resonator element within a package is mounted on the layered lead frame, and the layered lead frame and the piezoelectric resonator are sealed within a resin package such that the principal surface of the mounting terminals are exposed outwards, thereby forming a completed article.
摘要:
To provide a piezoelectric oscillator which can be reduced in size by reducing the planar size. With regard to a layered lead frame comprising two lead frames and, connection leads for connection with a piezoelectric resonator are formed on the upper lead frame and the connection leads are erected upwards so as to form connection terminals, and mounting leads for mounting to a mounting board are formed on the lower lead frame and the mounting leads are erected downwards so as to form mounting terminals, and an IC forming an oscillating circuit is mounted on the layered lead frame, the piezoelectric resonator formed by sealing a piezoelectric resonator element within a package is mounted on the layered lead frame, and the layered lead frame and the piezoelectric resonator are sealed within a resin package such that the principal surface of the mounting terminals are exposed outwards, thereby forming a completed article.
摘要:
To provide a piezoelectric oscillator which can be reduced in size by reducing the planar size. With regard to a layered lead frame comprising two lead frames and, connection leads for connection with a piezoelectric resonator are formed on the upper lead frame and the connection leads are erected upwards so as to form connection terminals, and mounting leads for mounting to a mounting board are formed on the lower lead frame and the mounting leads are erected downwards so as to form mounting terminals, and an IC forming an oscillating circuit is mounted on the layered lead frame, the piezoelectric resonator formed by sealing a piezoelectric resonator element within a package is mounted on the layered lead frame, and the layered lead frame and the piezoelectric resonator are sealed within a resin package such that the principal surface of the mounting terminals are exposed outwards, thereby forming a completed article.
摘要:
A piezoelectric device includes a piezoelectric resonator including a piezoelectric resonator element, a package for accommodating the piezoelectric resonator in a cavity thereinside, a lid for airtightly sealing the cavity inside the package, a package base included in the package, and an external terminal formed on a bottom surface of the package base; a circuit element stacked together with the piezoelectric resonator to be electrically connected thereto; a wiring substrate having the circuit element mounted on a first surface thereof and a mounting external terminal provided on a second surface thereof, a connecting member arranged in a periphery of the circuit element mounted on the first surface of the wiring substrate to electrically and mechanically connect the wiring substrate to the external terminal of the piezoelectric resonator; and a molded portion made of a molding member that is formed from the first surface of the wiring substrate up to at least a position higher than an upper end surface of the package base of the piezoelectric resonator, the molded portion covering the first surface of the wiring substrate, the package base of the piezoelectric resonator, the external terminal formed on the bottom surface of the package base, the circuit element, and the connecting member, whereas at least a part of a marking region on the lid being exposed from the molded portion.