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Patent Searching and Data


Matches 301 - 350 out of 17,933

Document Document Title
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/2007/063169A1
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...  
WO/2006/134928A1
There are provided a piezoelectric device capable of assuring mold resistance without increasing the cost and a manufacturing method thereof. The piezoelectric device includes: an element substrate (12) having a piezoelectric element (14...  
WO/2006/131216A1
Disclosed is a surface-mounted electrical component that is provided with sensitive component structures (B51, B52) and is embodied on the front side of two substrates (51, 52). The substrates are joined to each other with facing front s...  
WO/2006/130777A3
A contour mode micromechanical piezoelectric resonator. The resonator has a bottom electrode (Pt) ; a top electrode (Al) ; and a piezoelectric layern (AIN) disposed between the bottom electrode and the top electrode. The piezoelectric re...  
WO/2006/130777A2
A contour mode micromechanical piezoelectric resonator. The resonator has a bottom electrode (Pt) ; a top electrode (Al) ; and a piezoelectric layern (AIN) disposed between the bottom electrode and the top electrode. The piezoelectric re...  
WO/2006/126382A1
A piezoelectric device which can be efficiently manufactured. A cover substrate (20) is bonded along the periphery of an element substrate (12) whereupon a piezoelectric element is formed, and the piezoelectric element is sealed. The mai...  
WO/2006/123653A1
A piezoelectric device which is thinned with excellent yield and has improved production efficiency. An element substrate (12) whereupon a piezoelectric element is formed, and a cover substrate (20) are placed and bonded one over another...  
WO/2006/120994A1
A composite piezoelectric substrate formed by bonding a piezoelectric substrate and a supporting substrate. A metal electrode for exciting a surface acoustic wave is formed on the surface of the piezoelectric substrate. The thickness of ...  
WO/2006/118192A1
Disclosed is a piezoelectric component (1) comprising a piezoelectric transducer (10) wherein a pair of electrodes (20a, 20b) are formed on both major surfaces of a piezoelectric substrate (11), a pair of frame members (30a, 30b) fitted ...  
WO/2006/114922A1
A surface acoustic wave element wherein an electrode for exciting and detecting surface acoustic waves is formed on a piezoelectric substrate is characterized in that the element is provided with at least a composite piezoelectric chip, ...  
WO2005008888A8
A tuning fork type vibrator comprises a basal part and leg parts extending therefrom. A groove is formed in a main surface of each leg part. An in-groove electrode is formed in the groove, while a side surface electrode is formed in a si...  
WO/2006/107961A3
Electrically responsive devices and methods for fabricating electrically- responsive devices involves applying an electrically responsive material (e.g. piezoelectric material) (132) over at least a portion of a surface of a substrate ma...  
WO/2006/107961A2
Electrically responsive devices and methods for fabricating electrically- responsive devices involves applying an electrically responsive material (e.g. piezoelectric material) (132) over at least a portion of a surface of a substrate ma...  
WO/2006/106831A1
A surface acoustic device is provided with a piezoelectric substrate and a cover which face each other at a prescribed interval. On a cover side main plane of the piezoelectric substrate, a comb-shaped electrode and a pad electrode are p...  
WO/2006/104265A1
A crystal vibrator (1, 51) includes an upper and a lower substrate (3, 4, 53, 54) overlaid on the upper and the lower surface of an intermediate crystal plate (2, 52) formed by a crystal vibration piece (5, 55) and an external frame (6, ...  
WO/2006/103921A1
A radio receiving apparatus for substantially A/D converting an RF signal to allow the reception process to be performed by use of digital signal process. A bandpass A/D converter (4) performs an A/D conversion of a received signal of a ...  
WO/2006/101450A1
A method of producing a polycrystalline film of a metal compound, AlN or ZnO, on a substrate with a non-zero mean tilt of the c-axis relative to the surface normal of the substrate, is disclosed. The method comprises deposition of crysta...  
WO/2006/100457A1
A method of forming a Bragg reflector stack including depositing alternate Silicon Dioxide and Tungsten layers characterised in that a Tungsten Nitride layer is deposited at at least one Silicon Dioxide/Tungsten interface.  
WO/2006/101762A1
A method for fabrication of single crystal silicon micromechanical resonators using a two-wafer process, including either a Silicon-on-insulator (SOI) (104) or insulating base and resonator wafers (108) , wherein resonator anchors (122, ...  
WO2005055422A8
The invention relates to an electronic component (1) comprising at least one resonator element (5) which is disposed in a housing (8) of a case. The aforementioned case comprises: a main part (2) with a base (20) and at least one annular...  
WO/2006/092982A1
Disclosed is a surface acoustic wave device comprising a piezoelectric substrate, a comb-shaped electrode formed on a first major surface of the piezoelectric substrate, and a supporting substrate bonded to a second major surface of the ...  
WO2005074502A3
High-Q micromechanical resonator devices and filters utilizing same are provided. The devices and filters include a vibrating polysilicon micromechanical "hollow-disk" ring resonators obtained by removing quadrants of material from solid...  
WO/2006/087496A1
The invention relates to an acoustic wave device comprising a piezoelectric layer (41) on an omnidirectional acoustic mirror (32) and excitation and/or reception means (43, 44) which are provided on a surface of said piezoelectric layer ...  
WO2005026676A3
A sensor apparatus and method are disclosed herein, including a sensor element located on a base and a cover located proximate to the base. The cover generally includes a sensor diaphragm and a dimple that can form a part of the cover. A...  
WO/2006/079765A1
The invention relates to a microresonator comprising a resonant element (160) which is made from monocrystalline silicon and at least one activation electrode (120, 121) which is positioned close to the resonant element, whereby the reso...  
WO/2006/080226A1
A process for producing a micromachine, in which the corrosion of structure can be inhibited; and a relevant micromachine. There is provided a process for producing a micromachine, characterized by including the step of conducting patter...  
WO2005034345A8
In order to provide a resonator structure (100) in particular a bulk-acoustic-wave (BAW) resonator, such as a film BAW resonator (FBAR) or a solidly-mounted BAW resonator (SBAR), comprising at least one substrate (10); at least one refle...  

Matches 301 - 350 out of 17,933