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Patent Searching and Data


Matches 251 - 300 out of 11,161

Document Document Title
WO/2008/142022
The invention relates to an evaluation device for an electronic control unit (ECU) comprising an input for receiving information relating to a current supply to the electronic control unit (ECU) and/or relating to the temperature of said...  
WO/2008/127032
The present invention provides a power cutoff device automatically operated upon the occurrence of a spark on an electric wire. The power cutoff device of the present invention automatically cuts off power supply to an earth leakage brea...  
WO/2008/117891
A crystal oscillator piece in which generation of leakage oscillation is suppressed, and its manufacturing method. The method for manufacturing a crystal oscillator piece comprises a step for forming a first etching mask on the surface o...  
WO/2008/114784
Disclosed is a metal paste for sealing, which comprises a metal powder and an organic solvent, wherein the metal powder comprises at least one metal powder selected from a gold powder, a silver powder, a platinum powder and a palladium p...  
WO/2008/110571
The invention relates to a component operated by guided acoustic waves and comprising a layer system (1, 2, 3, 6) that comprises a piezoelectric layer (1), a dielectric layer (2) and electrodes (3) that are arranged between the piezoelec...  
WO/2008/105199
A miniaturized electromagnetic wave separator is provided, and in particular, an electromagnetic wave separator is provided for making it possible to configure its low back height. The electromagnetic wave separator is comprised of a rec...  
WO/2008/105145
[Problems to be Solved] To provide a contour resonator having a desired resonance frequency and a desired temperature characteristic, and a method for adjusting this contour resonator. [Means to Solve the Problems] A contour resonator 10...  
WO/2008/102900
Provided is a package type piezoelectric vibrator which is capable of being packaged at a wafer level and is suitable for mass production. The package type crystalline vibrator has a structure wherein an extraction electrode exists by ha...  
WO/2008/102481
A method for manufacturing a piezoelectric resonator in which variation in characteristics is suppressed without complicating the manufacturing process, confinement of vibration to a piezoelectric vibrating section is improved and good f...  
WO/2008/087836
Provided is a method for manufacturing an elastic boundary wave device, in which a discontinuous portion is hardly formed in a dielectric film thereby to deteriorate the electric characteristics hardly, although an IDT is not thinned so ...  
WO/2008/081935
A surface acoustic wave device excellent in reliability and a method for manufacturing the same. The surface acoustic wave device comprises a piezoelectric substrate (1) for making a surface acoustic wave travel thereon, an IDT (2) forme...  
WO/2008/078840
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/2008/061319
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/2008/062639
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/2008/059674
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/2008/044182
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/2008/044182
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/2008/041404
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/2008/039824
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/2008/032543
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/2008/029854
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/2008/018452
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/2007/125724
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/2007/122786
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/2007/119643
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/2007/099742
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/2007/097151
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/2007/080734
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/2007/078646
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/2007/074566
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/2007/072408
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/2007/072408
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/2007/072409
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/2007/072409
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/2007/067453
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/2007/067453
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/2007/063169
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/2007/059740
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/2007/059740
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/2007/057086
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/2007/055080
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/2007/055133
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/2007/055077
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/2007/052788
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/2007/052597
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/2007/041249
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/2007/037457
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/2007/026637
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/2007/022906
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/2007/022906
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...  

Matches 251 - 300 out of 11,161