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Patent Searching and Data


Matches 301 - 350 out of 17,942

Document Document Title
WO/2008/078840A1
Electromechanical characteristic of a piezoelectric element (10) is measured by sandwiching the piezoelectric element by two or more measurement terminals (21a, 21b) in contact with two or more electrodes arranged on the same plane (elec...  
WO/2008/061319A1
A method of fabricating an array (110) of micromechanical resonant members (112), including the steps of: using MEMS techniques to form a set of resonant members at a common first resonant frequency; and using MEMS techniques to provide ...  
WO/2008/062639A1
Provided is an elastic boundary wave device manufacturing method having a step of making it possible to perform a frequency adjustment easily and highly precisely. The elastic boundary wave device manufacturing method includes a step of ...  
WO/2008/059674A1
An acoustic boundary wave element and an acoustic boundary wave device which are excellent in heat dissipation properties and can enhance power resistance without increasing the chip size or the area of mounting space. In an acoustic bou...  
WO/2008/044182A3
A method of making a resonator, preferably a nano-resonator, includes starting with a FINFET structure with a central bar, first and second electrodes connected to the central bar, and third and fourth electrodes on either side of the ce...  
WO/2008/044182A2
A method of making a resonator, preferably a nano-resonator, includes starting with a FINFET structure with a central bar, first and second electrodes connected to the central bar, and third and fourth electrodes on either side of the ce...  
WO/2008/041404A1
This invention provides an elastic boundary wave device which can further enhance power performance. The elastic boundary wave device comprises a piezoelectric body (2), a dielectric body (3) stacked on the piezoelectric body (2), and an...  
WO/2008/039824A1
A die structural support apparatus and method are disclosed, in which a die component is provided. A support element can be configured for use with the die component, wherein said support element surrounds said die component, thereby str...  
WO/2008/032543A1
A thin film piezoelectric resonator suppresses deterioration of impedance at antiresonant frequency and has a high Q value. The thin film piezoelectric resonator is provided with a semiconductor substrate (8); an insulating layer (6) for...  
WO/2008/029854A1
This invention provides an apparatus and method for etching, which, in the dry etching of a workpiece having a large coefficient of thermal expansion, can eliminate a problem of cracking of the workpiece upon exposure to thermal deformat...  
WO/2008/018452A1
Provided is a method for manufacturing a surface acoustic wave device by which deterioration of electrical characteristics is reduced and the number of manufacturing steps is reduced. The method for manufacturing the surface acoustic wav...  
WO/2007/125724A1
Provided is an electronic component wherein corrosion does not easily advance due to entry or the like of moisture from an electrode pattern which extends to the inner side of a substrate main plane from an end formed by a substrate side...  
WO/2007/125615A1
Provided is a tuning fork type bimorph piezoelectric vibrator, which can improve the temperature characteristics of a detuned frequency and can detect a rotating angular velocity stably and precisely at a low cost. The tuning fork type b...  
WO/2007/122786A1
Provided is a method for manufacturing a piezoelectric vibrating piece having less deteriorated layer on the surface and having vibrating characteristics with less difference compared with designed vibrating characteristics. Since a tuni...  
WO/2007/119643A1
A film bulk acoustic resonator (10) includes substrates (11, 12) having an oscillation space (20), and a piezoelectric laminated structure (14) arranged to face the oscillation space (20). The piezoelectric laminated structure (14) is pr...  
WO/2007/099742A1
A surface acoustic wave in which frequency/temperature characteristics can be improved effectively while the narrowing of a proportional band and the deterioration of insertion loss are not incurred significantly. In the surface acoustic...  
WO/2007/097151A1
Disclosed is a boundary acoustic wave device wherein loss is reduced. Specifically disclosed is a boundary acoustic wave device (1) comprising a first medium (2), a second medium (3) and an IDT electrode (4) arranged on the interface bet...  
WO/2007/091376A1
An energy confinement strip type piezoelectric oscillator utilizing a triple wave of thickness slip mode. The piezoelectric oscillator (1) comprises a strip type piezoelectric ceramic substrate (2) polarized in the longitudinal direction...  
WO/2007/080734A1
Disclosed is a low-cost miniaturizable surface acoustic wave device which does not require a complicated processing process or a component such as a cover member having a complicated shape. Also disclosed is a method for manufacturing su...  
WO/2007/078646A1
Multiple FBARs may be manufactured on a single wafer and later diced. Ideally, all devices formed in a wafer would have the same resonance frequency. However, due to manufacturing variances, the frequency response of the FBAR devices may...  
WO/2007/074566A1
This invention provides a piezoelectric ceramic that can easily regulate resonance frequency-temperature characteristics. A piezoelectric ceramic (2) comprises first and second parts (11 and 12) that are each in a layer form and have bee...  
WO/2007/072408A3
The invention relates to a MEMS resonator comprising a first electrode, a movable element (48) comprising a second electrode, the movable element (48) at least being movable towards the first electrode, the first electrode and the movabl...  
WO/2007/072408A2
The invention relates to a MEMS resonator comprising a first electrode, a movable element (48) comprising a second electrode, the movable element (48) at least being movable towards the first electrode, the first electrode and the movabl...  
WO/2007/072409A3
The invention relates to a MEMS resonator comprising a movable element (48), the movable element (48) comprising a first part (A) having a first Young's modulus and a first temperature coefficient of the first Young's modulus, and the mo...  
WO/2007/072409A2
The invention relates to a MEMS resonator comprising a movable element (48), the movable element (48) comprising a first part (A) having a first Young's modulus and a first temperature coefficient of the first Young's modulus, and the mo...  
WO/2007/067453A2
Improved SAW pressure sensors and manufacturing methods thereof. A SAW wafer including a number of SAW transducers disposed thereon may be provided. A cover wafer may also be provided, with a glass wall situated between the cover wafer a...  
WO/2007/067453A3
Improved SAW pressure sensors and manufacturing methods thereof. A SAW wafer including a number of SAW transducers disposed thereon may be provided. A cover wafer may also be provided, with a glass wall situated between the cover wafer a...  
WO/2007/063842A1
An acoustic resonator has a multilayer structure constituted of a piezoelectric layer composed of a tensile stress layer and a compression stress layer. The mechanical strength of the piezoelectric layer is thereby is enhanced, and any c...  
WO/2007/063169A1
A method of manufacturing a crystal oscillator, in which method semiconductor components and the crystal or another resonator (1) are joined to a bottom base (4), most suitably to the printed circuit board material. The components (2, 3,...  
WO/2007/059740A3
The invention relates to an electroacoustic component comprising two substrates between which a layer system is arranged, said layer system comprising a metallic layer and a layer of low acoustic impedance Za,2. Said metallic layer compr...  
WO/2007/059740A2
The invention relates to an electroacoustic component comprising two substrates between which a layer system is arranged, said layer system comprising a metallic layer and a layer of low acoustic impedance Za,2. Said metallic layer compr...  
WO2007037457A9
It is possible to provide a small-size SH wave-type SAW device as a surface wave device using a crystal substrate having a large Q value and an excellent frequency aging characteristic. The elastic surface wave device includes a piezoele...  
WO/2007/057086A1
The invention relates to a method for influencing the operating frequency of an oscillating crystal (19) or quartz oscillator (1), in which the oscillating crystal or the quartz oscillator is impinged upon by electromagnetic radiation th...  
WO/2007/055080A1
This invention provides a method for manufacturing an elastic boundary wave apparatus in which an external terminal in an elastic boundary wave element and a part for electrically connecting the external terminal to the external are reli...  
WO/2007/055133A1
An angular velocity sensor of stable performance such that even when carbon dioxide gas is produced by reaction of oxygen gas in a package accommodating an oscillator, is less in the fluctuation of drive efficiency of the oscillator. The...  
WO/2007/055077A1
A process for fabricating a surface acoustic wave device in which not only the frequency temperature characteristics can be improved but also an inexpensive electrode material susceptible to corrosion can be employed as the electrode mat...  
WO/2007/052788A1
A temperature detection circuit (18) detects temperature around an oscillation circuit (20) equipped with voltage variable capacitors (23, 24). According to its temperature detection signal, a temperature compensation circuit (30) produc...  
WO/2007/052597A1
An electronic component package with increased strength against external pressure. In the electronic component package where an electronic component mounted on a packaging substrate through an external electrode placed thereon is resin m...  
WO/2007/041249A3
The Lus Semiconductor in this invention is characterized by replacing the static shielding diode (SSD) of traditional Power Metal Oxide Semiconductor Field Effect Transistors (Power MOSFETs) with polarity reversed (comparing with traditi...  
WO/2007/037457A1
It is possible to provide a small-size SH wave-type SAW device as a surface wave device using a crystal substrate having a large Q value and an excellent frequency aging characteristic. The elastic surface wave device includes a piezoele...  
WO/2007/026637A1
A piezoelectric resonator comprising a piezoelectric body layer (101) formed of a piezoelectric thin film, a first electrode (102) formed on one principal plane of the piezoelectric body layer (101) and formed, in cross section, in a tra...  
WO/2007/022906A3
The invention relates to an HF terminating resistor having a planar layer structure which, on a substrate (16), comprises a resistor layer (10) for converting HF energy to heat, an input conductor (12) for supplying HF energy and an eart...  
WO/2007/022906A2
The invention relates to an HF terminating resistor having a planar layer structure which, on a substrate (16), comprises a resistor layer (10) for converting HF energy to heat, an input conductor (12) for supplying HF energy and an eart...  
WO/2007/021408A1
Titanium-tungsten alloy based mirrors and electrodes in bulk acoustic wave devices simplify processing by eliminating the need for adhesion, barrier and seed layers, and preserve the advantages of tungsten layers. Alternate layers of hig...  
WO/2007/017974A1
A thin film piezoelectric resonator includes a substrate having a cavity; a first electrode extending over the cavity; a piezoelectric film placed on the first electrode; and a second electrode placed on the piezoelectric film, the secon...  
WO/2007/017992A1
In a crystal oscillator, a package, i.e. a case, is constituted by connecting a base with a cap, and an internal space is formed in the package. On the base in the internal space, a crystal oscillation piece is held and the internal spac...  
WO/2007/007462A1
An elastic boundary wave device (1) reduced in size, enabling the advancement of a reduction in height, and manufacturable at low cost. A first IDT electrode (3) is formed on the first surface (2a) of a substrate (2), and a first dielect...  
WO/2007/003637A1
The invention relates to a detector for identifying particles, especially gas molecules, that are added to an oscillatory system (11). According to the invention, the oscillatory system is formed by a plate resonator (11) to which a laye...  
WO/2006/134744A1
An electronic component manufacturing method wherein troubles due to outgassing from a sacrificial layer and residuals after sacrificial layer removal are prevented. The electronic component manufacturing method has a first step of formi...  
WO/2006/133807A1
The invention relates to a resonator that operates using acoustic waves. According to the invention, the surface area of said resonator is selected in such a way that in the transmission characteristics of the resonator, the critical inp...  

Matches 301 - 350 out of 17,942