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Patent Searching and Data


Matches 101 - 150 out of 2,125

Document Document Title
WO/2005/109458A3
A method of forming an LTCC structure having at least one open cavity on each of first and second opposing sides is disclosed that includes the steps of forming a first LTCC structure including a first side having a plurality of cavities...  
WO/2005/106904A1
The invention relates to a capacitor with changeable dielectric properties, and a device for electric pulse modulation comprising such a capacitor, for instance an HPM source (High-Power Microwave, high-power microwave radiation). The in...  
WO2005053005A3
A method for contacting patterned electrode devices includes the steps of providing a porous substrate, depositing electrically conductive material to form at least one electrode on a front-side of the porous substrate and depositing at ...  
WO/2005/078861A2
An inverted-F ferroelectric antenna is provided. The antenna comprises a counterpoise, or groundplane, and a radiator structure having a first end and a second end. A capacitor, formed from a ferroelectric dielectric is interposed betwee...  
WO2004093145A3
This invention provides a method of fabricating a tunable dielectric slurry, comprising, depositing a thick film tunable dielectric onto a substrate, subjecting the thick film to UV radiation exposure after it is coated onto the substrat...  
WO2002016973A3
The present invention involves forming layers of conductive material (12, 16; 17, 18) and dielectric material (14) or material with varying conductivity and indexes of refraction to form various electronic and optical devices.  
WO/2005/053083A2
The present invention is directed toward a tunable dielectric device comprising: a substrate and an endohedral fullerene encapsulating trimetallic nitride template compound disposed on the substrate. The endohedral fullerene encapsulatin...  
WO/2005/053005A2
A method for contacting patterned electrode devices includes the steps of providing a porous substrate, depositing electrically conductive material to form at least one electrode on a front-side of the porous substrate and depositing at ...  
WO/2005/050680A1
A silicon nitride film (103) and another silicon nitride film (106) are so formed as to cover a charged silicon oxide film (105) which is to be an electret.  
WO/2005/043555A1
A multilayer positive-characteristic thermistor having a low resistance reliably achieved by reducing the thickness of a ceramic layer of a BaTiO3 semiconductor ceramic. The resistance value can be approximate to that calculated from the...  
WO2005020257A3
The invention relates to an organic capacitor having a voltage-controlled variable capacitance. The inventive capacitor comprises at least one first electrode, a second electrode and an insulation layer located therebetween. The inventiv...  
WO/2005/020257A2
The invention relates to an organic capacitor having a voltage-controlled variable capacitance. The inventive capacitor comprises at least one first electrode, a second electrode and an insulation layer located therebetween. The inventiv...  
WO/2005/005320A1
The present invention relates to a ferroelectric ceramic compound having the composition of the following formula: s[L]-x[P]y[M]z[N]p[T], a ferroelectric ceramic single crystal, and preparation processes thereof. The ferroelectric cerami...  
WO/2004/093145A2
This invention provides a method of fabricating a tunable dielectric slurry, comprising, depositing a thick film tunable dielectric onto a substrate, subjecting the thick film to UV radiation exposure after it is coated onto the substrat...  
WO2004038848A3
A device for varying the capacitance of an electronic circuit is disclosed. The device comprises a flexible membrane located above the electronic circuit, a metal layerconnected to the flexible membrane, and bias circuitry located above ...  
WO2003023796A3
A method of making an electret that includes contacting a porous substrate that includes polymer with a composition that includes solvent capable of swelling the polymer, removing the solvent from the substrate, and contacting the substr...  
WO2002084684A3
A tunable capacitor that introduces significantly less loss, if any, costs less and is smaller than previously available. A bias electrode (14) is coupled to a FE material (16). The capacitor electrodes (21, 24) are electro-magnetically ...  
WO/2004/038848A2
A device for varying the capacitance of an electronic circuit is disclosed. The device comprises a flexible membrane located above the electronic circuit, a metal layerconnected to the flexible membrane, and bias circuitry located above ...  
WO/2004/038743A1
A process for producing a laminated ceramic capacitor, comprising the steps of alternately stacking ceramic green sheets, the ceramic green sheets containing a ceramic raw material consisting of barium titanate, and internal electrodes t...  
WO/2004/020211A3
A stencil comprises an electret film, wherein the film has at least one perforation having a perimeter that defines an area, and wherein the area is greater than or equal to one square centimeter. Methods of marking a substrate using ste...  
WO/2004/020073A1
A method for adhering a film to a substrate comprises providing an electret film having first and second opposed major surfaces, the electret film comprising a poly(ethylene-co-(meth)acrylic acid) ionomer; providing a substrate; and elec...  
WO2003038996A3
A capacitive element includes two or more voltage-variable capacitors (varactors) ( C ). The varactors are configured so that they are coupled in series with respect to an applied AC signal (110A-110B) and are coupled in parallel with re...  
WO/2003/102983A1
The present invention relates to an electret transducer, which has surface layers (3) made of conducing material, between which layers there is electret material (1) and which surface layers include connecting elements (4) for connecting...  
WO/2003/088358A1
Tunable capacitors (10, 20, 30, 40) have a dielectric material (16, 26, 36, 42) between electrodes, which dielectric material comprises an insulating material (17, 27, 37, 42) and electrically conductive material, (18, 28, 38, 48) e.g., ...  
WO2002089187A3
A method of forming minimally spaced MRAM structures is disclosed. A photolithography technique is employed to define masking patterns, on the sidewalls of which spacers are subsequently formed to reduce the distance between any of the t...  
WO/2003/038996A2
A capacitive element includes two or more voltage-variable capacitors (varactors) ( C ). The varactors are configured so that they are coupled in series with respect to an applied AC signal (110A-110B) and are coupled in parallel with re...  
WO/2003/036669A1
Capacitors (10,20,40,50,70,80) having a fluid dielectric material that is transported or undergoes a phase change are disclosed. The dielectric medium change results in a change in the total dielectric constant of the material between th...  
WO/2003/034452A1
A variable capacitance capacitor device being fabricated by micro electromechanical system technology, comprising an insulating substrate (2) having one side (2a) on which at least two capacitor electrodes (3, 4) are formed while being i...  
WO2002084778A3
The present invention provides a phase shifting filter and a phase compensating direct downconversion receiver. A DC offset detector detects a DC offset in a received baseband signal and provides a feedback signal. A tunable filter phase...  
WO/2003/023796A2
A method of making an electret that includes contacting a porous substrate that includes polymer with a composition that includes solvent capable of swelling the polymer, removing the solvent from the substrate, and contacting the substr...  
WO2002041341A3
The invention concerns a capacitive device, such as a voltage controllable (Vc) capacitance, comprising at least a first armature (L) and a second armature (R), the armatures being separated by an insulating layer (D) including a plurali...  
WO2002003408A3
Flat electrolytic capacitors particularly for use in implantable medical devices having stacked cathode and anode layers particular electrical connections of the capacitor anode and cathode layers with a capacitor connector assembly. Ano...  
WO/2003/005385A1
Capacitor material for use in forming capacitors, is disclosed. More specifically, the invention is directed to capacitors formed from this material that have one or more discrete electrodes (314), each electrode (314) being exposed to a...  
WO/2002/098818A1
Tunable dielectric materials including an electronically tunable dielectric and a low loss glass additive are disclosed. The tunable dielectric may comprise a fen-oelectric perskovite material such as barium strontium titanate. The glass...  
WO/2002/091409A2
The present invention relates to an electrically controllable/tunable microwave device (10) comprising a ferroelectric substrate (101) with a variable dielectric permittivity and conducting electrodes (102, 103A-C), arranged on said subs...  
WO/2002/089187A2
A method of forming minimally spaced MRAM structures is disclosed. A photolithography technique is employed to define masking patterns, on the sidewalls of which spacers are subsequently formed to reduce the distance between any of the t...  
WO/2002/087016A1
A family of FE dielectric-tuned antennas and a method for frequency tuning a wireless communications antenna are provided. The method comprises: forming a radiator (106); forming a dielectric with ferroelectric material proximate to the ...  
WO/2002/087082A1
The present invention provides for low loss tunable matching circuits at rf frequencies. Ferro-electric materials are used to produce low loss tunable capacitors and inductors for use in matching circuits.  
WO/2002/084310A1
A tunable ferroelectric component (610-614) and a narrowband resonant circuit (610-620) for measuring the loss of the ferroelectric component. The ferroelectric component may be a capacitor integrated in the resonant circuit. The testing...  
WO/2002/084857A1
A voltage controlled oscillator incorporating a ferroelectric capacitor in its resonant circuit is provided in order to provide superior phase noise performance and a linear control voltage/capacitance relationship. The resonant circuit ...  
WO/2002/084684A2
A tunable capacitor that introduces significantly less loss, if any, costs less and is smaller than previously available. A bias electrode (14) is coupled to a FE material (16). The capacitor electrodes (21, 24) are electro−magneticall...  
WO/2002/084686A1
A ferro-electric filter and method of tuning same. The filter includes a switch for switching between quarter wave resonator and half wave resonator modes. The filter also includes a ferro-electric component for tuning the resonant frequ...  
WO/2002/084781A1
The present invention provides a tunable ferro-electric multiplexer for use in CDMA communication devices. Tunable ferro-electric capacitors are used to tune the resonant frequencies of several resonators used in a multiplexer and to tun...  
WO/2002/084858A1
A crystal oscillator having tunable ferroelectric components. A first ferroelectric capacitor is coupled to an automatic frequency control line for fine tuning the reference frequency. A second ferroelectric capacitor is coupled to tempe...  
WO/2002/084778A2
The present invention provides a phase shifting filter and a phase compensating direct downconversion receiver. A DC offset detector detects a DC offset in a received baseband signal and provides a feedback signal. A tunable filter phase...  
WO/2002/084685A1
The present invention quantifies and reduces losses in tunable bandpass filters having ferro-electric capacitors. Given a required insertion loss and the quality factor of a resonator, the geometric losses resulting from a particular top...  
WO/2002/084798A1
An inverted-F ferroelectric antenna is provided. The antenna comprises a counterpoise, or groundplane (102), and an inverted-F structure radiator (104) having a first end (106) connected to the counterpoise. A fixed dielectric material (...  
WO2001084572A3
This invention provides tunable devices incorporating the dielectric CaCu3Ti4O12. CaCu3Ti4O12 is especially useful in tunable devices such as phase shifters, matching networks, oscillators, filters, resonators, and antennas comprising in...  
WO/2002/041341A2
The invention concerns a capacitive device, such as a voltage controllable (Vc) capacitance, comprising at least a first armature (L) and a second armature (R), the armatures being separated by an insulating layer (D) including a plurali...  
WO/2002/016973A2
The present invention involves forming layers of conductive material (12, 16; 17, 18) and dielectric material (14) or material with varying conductivity and indexes of refraction to form various electronic and optical devices.  

Matches 101 - 150 out of 2,125