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7617591 |
Method for fabricating embedded thin film resistors of printed circuit board
A method for fabricating the embedded thin film resistors of a printed circuit board is provided. The embedded thin film resistors are formed using a resistor layer built in the printed circuit...
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7598841 |
Film resistor and a method for forming and trimming a film resistor
A thin film resistor ( 5 ) of an integrated circuit comprises an elongate resistive film ( 7 ) extending between electrical contact pads ( 10,11 ). A low impedance element ( 20 ) overlays and is...
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7572051 |
Method and apparatus for calibrating a thermistor
The presently described embodiments are directed to a calibration method and system for thin film thermistors that are locally heated with integrated thin film heaters. Initially, print head...
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7566946 |
Precision passive circuit structure
A circuit having a precision passive circuit element, such as a resistor or a capacitor, with a target value of an electrical parameter is fabricated on a substrate with a plurality of independent...
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7555829 |
Method for adjusting an output parameter of a circuit
Electro-thermal trimming of thermally-trimmable resistors is used to trim one or more of the plurality of resistors in or associated with an analog electric circuit. The TCR of each of a subset of...
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7503689 |
Measuring and trimming circuit components embedded in micro-platforms
There is described a method and sub-circuit to measure temperature coefficients (coefficient of variation of a measurable parameter of the component), by using a thermally-isolated silicon...
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7439846 |
Resistance adjusting method and resistance adjusting element and resistance adjusting device
A resistance adjusting method, a resistance adjusting element, and a resistance adjusting device are disclosed. The method includes first, second, and third cut-off steps that leave a part having a...
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7423513 |
Circuit board having resistor and method for manufacturing the circuit board
A circuit board high in reliability and a method for manufacturing the circuit board are provided. The electrical resistance is accurately adjustable without damaging the circuit body even if it is...
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7408437 |
Resistance element, its precursor, and resistance value adjusting method
An object of the invention is to provide a resistor element that makes it possible to adjust the resistance value of a precursor easily in producing a resistance element having a target resistance...
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7378936 |
Circuit element with laser trimmed component
A circuit element has a substrate layer with first and second faces. A conductive first layer overlays the first surface, and a conductive second layer overlays the second surface. The first layer...
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7365632 |
Resistive elements using carbon nanotubes
Resistive elements include a patterned region of nanofabric having a predetermined area, where the nanofabric has a selected sheet resistance; and first and second electrical contacts contacting...
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7307267 |
Electric device with phase change material and parallel heater
The electric device ( 1, 100 ) has a body ( 2, 102 ) having a resistor ( 7, 107 ) comprising a phase change material being changeable between a first phase and a second phase. The resistor ( 7, 107...
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7305754 |
Method of manufacturing chip resistor
In manufacturing a chip resistor by dividing a chip resistance substrate which includes an insulator, resistance film formed on a surface of the insulator, and a plurality of conductive strips...
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7301436 |
Apparatus and method for precision trimming of integrated circuits using anti-fuse bond pads
An apparatus and method for using anti-fuse bond pads used to provide trimmed resistor values to the input terminals of circuits on an integrated circuit die. The apparatus and method comprises...
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7300807 |
Structure and method for providing precision passive elements
A circuit having a precision passive circuit element, such as a resistor or a capacitor, with a target value of an electrical parameter is fabricated on a substrate with a plurality of independent...
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7292133 |
Resistance circuit, and voltage detection and constant voltage generating circuits incorporating such resistance circuit
A resistance circuit included in a semiconductor apparatus, which is formed of a plurality of thin film metal resistors connected in series, capable of achieving a precise resistance adjustment...
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7278202 |
Method for making overlay surface mount resistor
A surface mount resistor includes an elongated piece of resistive material having strips of conductive material attached to its opposite ends. The strips of conductive material are separated to...
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7278201 |
Method of manufacturing a resistor
A high precision power resistor having the improved property of reduced resistance change due to power is disclosed. The resistor includes a substrate having first and second flat surfaces and...
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7271699 |
Changing an electrical resistance of a resistor
A resistor and a structure for changing an electrical resistance of a resistor. Initially, the resistor is provided, wherein the resistor has a length L and an electrical resistance R 1 . A portion...
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7249409 |
Method for trimming resistors
There is provided a method and circuit for trimming a functional resistor on a thermally isolated micro-platform such that a second functional resistor on the same micro-platform remains...
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7224258 |
Fine line thick film resistors by photolithography
The present invention is directed to a thick film patterned resistor on a substrate and to a method of forming it. The method involves providing a substrate with opposed surfaces, where one surface...
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7205880 |
Trimmer impedance component, semiconductor device and trimming method
A trimmer resistance component of the present invention has a trimmer resistor constructed of a p-type diffusion layer formed on the surface of an n-type epitaxial layer. A first electrode is...
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7199016 |
Integrated circuit resistor
An integrated circuit resistor is provided that comprises a mesa 14 between electrical contacts 16 and 18 . The electrical resistance between electrical contacts 16 and 18 is selectively...
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7164343 |
Digital potentiometer
A variable potentiometer with a wiper terminal and first and second terminals has relay switches for shorting or for unshorting resistors. When resistance is reduced between the wiper and one of...
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7161461 |
Injection molded trim resistor assembly
A trim resistor assembly includes a trimmable resistor element embedded within a polymeric housing. The trimmable resistor element includes trimmable resistive film disposed on a nonconductive...
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7140097 |
Method of manufacturing chip-type ceramic electronic component
A method of manufacturing a chip-type ceramic electronic component having stable electrical properties and excellent mechanical strength includes the steps of providing a plurality of green sheets...
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7119656 |
Method for trimming resistors
There is provided a method and circuit for trimming a functional resistor on a thermally isolated micro-platform such that a second functional resistor on the same micro-platform remains...
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7079004 |
Precision thin film AC voltage divider
A precision AC input voltage divider on a substrate is printed as a serpentine pattern for a thin line of resistive material. Bothersome original “bad” stray capacitances to a ground,...
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7049928 |
Resistor and method of manufacturing the same
The resistor of the present invention comprises a substrate, a pair of electrodes, and a resistor element comprising rectangular sections connected to the pair of electrodes and a S-shaped section...
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6875950 |
Automated laser trimming of resistors
In the laser trimming of passive circuit elements such as resistors, capacitors and inductors, various trimming parameters must be selected. To select a element is compared with a target value for...
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6856233 |
Chip resistor
A chip resistor having a highly accurately adjusted low resistance value is obtained. The chip resistor having a vertically three-layered structure is obtained by forming a first electrode 1 A by...
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6836207 |
Strip conductor having an additional layer in a curved section
A strip conductor comprises a first layer with at least one curved section. At least one region of the curved section provided with an additional layer having a smaller resistivity than the first...
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6768320 |
Method of regulating resistance value in sensor circuit
In a pressure sensitive sensor circuit, a first conductive path has a first resistor which has a first resistance value and a second conductive path has a second resistor which has a second...
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6766574 |
Production control method for temperature sensor by adjusting thickness of a heat-sensing surface side ceramic layer
A temperature sensor including a thermosensitive element and a ceramic body having a hollow section which surrounds the thermosensitive element airtightly. The thermosensitive element is formed on...
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6759940 |
Temperature compensating device with integral sheet thermistors
In accordance with the invention, a temperature compensating device comprises one or more integrated sheet thermistors. Because the sheet thermistors are relatively thick and integral with the...
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6751848 |
Method for adjusting a resistance value of a film resistor
A method of adjusting a resistance value of a film resistor. The method includes defining, as a single resistive element, a portion of a resistive film formed over a first linear conductive film...
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6667683 |
Planar trimming resistor, applications and method for its manufacture
A trimming resistor is manufactured by depositing a resistive layer on a substrate, with a passivation layer having windows, and a contact layer which is in contact with the resistive layer via the...
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6653927 |
Structure used for manufacturing a line-type heater
The scribe line is constituted by a large number of depressed portions of desired depth formed by radiation of a laser beam in a surface of the raw substrate corresponding to a boundary line...
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6642835 |
Ceramic layer system and method for producing a ceramic heating device
A ceramic composite having at least one electrical resistor run integrated into the ceramic composite, with the composite including at least one layer that covers the resistor run toward the...
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6588094 |
Method of producing thermistor chips
Thermistor chips are produced by preparing ceramic green sheets, applying an inorganic material such as a glass paste on these green sheets in areas including lines along which they are to be later...
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6532568 |
Apparatus and method for conditioning polysilicon circuit elements
An apparatus and method for conditioning polysilicon circuit elements includes a supply source configured to impress a desired voltage or current upon a polysilicon circuit element including at...
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6529116 |
Passive component
The passive component ( 1 ) has a first part ( 22 ) of a material with a first resistance value, which value can be lowered to a second value by laser trimming. The second value is at most one...
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6492896 |
Chip resistor
There are provided a pair of upper surface electrodes 21, 31 at both end sections, which are opposed to each other, of the insulating substrate 1 made of alumina. There is provided a resistor...
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6480092 |
Resistor trimming method
A resistor trimming method which brings about a good surge resistance and which allows a quick and reliable trimming, including the steps of forming a first slit 141 from an edge A of a resistor ...
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6462304 |
Method of laser-trimming for chip resistors
A chip resistor is formed with an elongated resistor connecting a pair of electrodes on a substrate and grooves are formed on the surface of the resistor in a characteristic pattern having a longer...
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6452478 |
Voltage trimmable resistor
An adjustable resistor between a first terminal and a second terminal is provided. Generally, a plurality of resistors is provided comprising a set of trimmable resistors, where the trimmable...
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6441718 |
Overlay surface mount resistor
A surface mount resistor includes an elongated piece of resistive material having strips of conductive material attached to its opposite ends. The strips of conductive material are separated to...
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6292091 |
Resistor and method of adjusting resistance of the same
A resistor includes an insulating substrate, a resistive layer formed on the substrate, and first and second terminal electrodes connected to the resistive layer. The resistive layer is divided...
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6288627 |
Embedded trimmable resistors
A resistor may be embedded into a substrate. A portion of the resistor may be exposed, by segmenting the substrate, for instance, so that the resistor may be trimmed to a desired resistance level....
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6262434 |
Integrated circuit structures and methods to facilitate accurate measurement of the IC devices
The present invention relates, in one embodiment, to an integrated circuit including a first circuit structure, a first conductive bonding pad coupled to the first circuit structure, a second...
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