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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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7336892 |
Reflection plate for semiconductor heat treatment and manufacturing method thereof
It is provided that a reflection plate of semiconductor heat treatment, which is resistant to cracks or deformations by controlling the adsorption of foreign materials and the production of...
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7284317 |
Method of producing printed circuit board with embedded resistor
Disclosed is a method of producing a printed circuit board (PCB) with an embedded resistor, in which a resistor with a desired shape and volume is precisely formed using a resistor paste so that...
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7213327 |
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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7202443 |
Electric heating/warming fabric articles
Electric heating/warming composite fabric articles have at least a fabric layer having inner and outer surfaces, and an electric heating/warming element, formed, e.g., of die cut, metallized...
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7176421 |
Straight ribbon heater
A heater for heating a rigid fluid line or hose for freeze protection. The heater has a base made of an outer base layer, a middle base layer attached to the outer base layer; and an inner base...
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7049929 |
Resistor process
Circuit panels are provided with resistors in vias extending between the top and bottom surfaces of the panels. The resistors may be formed by depositing a composite in each via, as by depositing a...
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6720859 |
Temperature compensating device with embedded columnar thermistors
A temperature compensating device comprises one or more columnar thermistors embedded within a substrate. Because the thermistors are substantially covered by the substrate, they are less...
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6563214 |
Electronic component and method of manufacturing the same
An electronic component having a substrate on which one or more grooves are formed on its opposing side faces; electrodes formed on the groove and top and bottom faces of the substrate at a portion...
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6392530 |
Resistor array board
A plurality of protective resistors can be easily inserted between circuit forming elements, and opposite ends of each protective resistor can be properly press-contacted to each circuit forming...
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6329065 |
Wire board and method of producing the same
A wiring board having an insulating substrate of aluminum oxide ceramics and a surface wiring layer formed on the surface of said insulating substrate, wherein the aluminum oxide ceramics...
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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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6229098 |
Method for forming a thick-film resistor and thick-film resistor formed thereby
A process for forming a thick-film resistor whose dimensions can be accurately obtained, thereby yielding a precise resistance value. The method includes providing on a substrate a photoimageable...
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6166620 |
Resistance wiring board and method for manufacturing the same
A resistance wiring board having a cavity disposed on an insulated substrate, a resistance disposed in the cavity, a protective film disposed on a top face of the resistance, and electrodes...
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6163018 |
Line-type heater
A recess portion is provided in a portion in the upper surface 1a of the stay member correspondingly to one longitudinal side edge of the insulating substrate so that a portion of the one...
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6104277 |
Polysilicon defined diffused resistor
A resistor having a diffused impurity region in a semiconductor substrate, an insulated gate surrounding and defining the resistor, and a pair of separated conductive contacts to the diffused...
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6057204 |
Method of making a noise-isolated buried resistor by implanting a first well with a mask and then implanting an opposite conductivity well with a larger opening in the mask
A noise-isolated buried resistor satisfies the requirements for low-noise analog designs requiring well controlled ohmic resistors. A field shield is provided between the buried resistor and the...
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5883566 |
Noise-isolated buried resistor
A noise-isolated buried resistor satisfies the requirements for low-noise analog designs requiring well controlled ohmic resistors. A field shield is provided between the buried resistor and the...
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5867087 |
Three dimensional polysilicon resistor for integrated circuits
A three dimensional polysilicon resistor and a method by which the three dimensional polysilicon resistor is manufactured. A semiconductor substrate has formed upon its surface an insulating layer....
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5781100 |
Resistor substrate containing carbon fibers and having a smooth surface
A resistor substrate in which a resistor layer having an electroconductive powder and carbon fibers dispersed in a heat resistant resin is molded into a substrate comprising a heat resistant...
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5539857 |
Heater block for injection molding with removable heat conductive member in groove in heater block
A heating block made from a heat conductive material has a passage through which a fluid heated by the heater can flow. A groove preferably having a looped configuration extends into the block from...
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5502431 |
Integrated circuit device
An integrated circuit device includes a first insulation layer formed on a substrate; a second insulation layer formed above the first insulation layer; a thin-film resistor formed on the second...
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5357226 |
Noise filter
A noise filter 11 of the CR type in which electrodes 17a and 17b and electrodes 17d and 17e are formed on the outer surface of a collar portion 15 in a bobbin 12 composed of a dielectric body,...
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5347258 |
Annular resistor coupled with printed circuit board through-hole
A resistor and method of forming the resistor as an annular resistor body between a conductive pad surrounding a through-hole in the PCB and a surrounding conductive layer, the annular resistor...
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4806738 |
Electric plate
An electric plate includes a plate in connection with which there is arranged at least one electric resistor and to a control for switching it on and for adjusting its power. The plate is composed...
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4551614 |
Electrical resistance heater unit
An improved high intensity electricl resistance heater unit comprising one or more elongate thin metal foil ribbons adapted to be heated to a high temperature by passage of electricity...
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4450343 |
High output, long duration, quick response, radiant electrical heater
This invention provides a radiant heating apparatus utilizing a continuous wire and formed into accordion shaped strips. Three strips are shown and the ends of the strips have connecting end...
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4380116 |
Radiant electrical heater, as well as method and apparatus for the manufacture thereof
A method for the manufacture of a radiant electrical heater, intended more particularly for heating glass ceramic hotplates, comprises so inserting or pressing helical heating resistors in helical...
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4286250 |
Laser formed resistor elements
The invention is an electrical component with a body element comprising an organic substrate portion and a laser formed, resistor portion carburized thereon. A first electrical conductor is...
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4247979 |
Radiant heater and method of making same
There is disclosed a radiant heater having high efficiency, reduced cost, and longer life, and which allows rapid heat-up and cool-down. As in the prior art, a heating coil is placed in grooves...
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4238755 |
Simplified linear potentiometer
This potentiometer has a pair of insulating standoffs integrally formed with the body of a model or toy incorporating the potentiometer. An insulated trough extends between the standoffs. A...
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4203197 |
Method for making a ceramic bond heater
An electric band heater of low expansion characteristics having an integral ceramic core with resistance wire sandwiched therein and encased within a metal housing, the core being formed from a...
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4152687 |
Conductive plastic multi-turn potentiometer
A resistance element comprises an insulating cylinder having a helical thread groove on the outer surface thereof. A resistive channel is supported by the groove and a multi-strand wiper is guided...
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4137516 |
Grinding wheel crack detector
A grinding wheel is provided around the inside of its hole with a plurality of turns of an electrical conductor weaker in tension than the material of the wheel, the ends of which are brought out...
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4134002 |
Down spouts provided with heating elements
Down spouts have at least one section that is a length of an extruded conduit having lengthwise portions extending from end-to-end thereof with a backing, substantially coextensive in length...
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4091355 |
Anchored coil heater
A high temperature coil heater which is supported throughout its length in a manner to achieve substantial exposure of the coil to the product. A helically wound coil of resistance wire is...
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4081657 |
Electrically heated roof drip edge strip
A drip edge strip for a shingled roof is tapered and includes a first portion to be secured to the roof and provided with channels extending from end-to-end thereof and a second portion to underlie...
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4034189 |
Device for heat fixation
A device for heat fixation comprises a heating member comprising a heat resistant insulating support, a heat generating member provided on the support and a thin film of heat resistance, low...
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3927297 |
Sealing jaw
A sealing jaw for sealing plastics material or plastics covered material includes a heating element of angular cross section with one limb received in a groove in a carrier to provide firm fixing....
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3905097 |
Method of making plural potentiometer body
A plural potentiometer in which independently and infinitely variable potentiometers are included in a common housing where for each potentiometer a resistive strip is applied to the inside of the...
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3866158 |
RESISTANCE THERMOMETER
A resistance thermometer, especially suitable for measuring temperature in electrical machinery comprises a measuring wire located in a groove which is found on the narrow side of a thin flexible...
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3812320 |
HEATED GROUND COVER FOR THE DISSIPATION OF MOISTURE
A heated ground cover including a first outer sheet member, a second outer sheet member, heating wires interposed between the outer sheet members with chambers adjacent to the heating wires...
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3680207 |
METHOD OF MAKING ELECTRICAL HEATING UNITS
A method of making an electrical heating unit which includes the steps of shaping a strip of electrical resistance wire into a pattern for the heating element of the unit, contacting one of the...
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3657691 |
LINEAR POTENTIOMETER WITH SEGMENTED TERMINAL AND COLLECTOR MEANS
A resistance element disposed on a copper laminated epoxy baseboard is electrically connected by a spring wiper to a collector formed by the copper plate on said baseboard. Resistance terminals...
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3629782 |
RESISTOR WITH MEANS FOR DECREASING CURRENT DENSITY
Semiconductor and cermet or thin film resistors employ thin film contacts of aluminum and the like. Failure of these resistors at the positive terminal due to electromigration is virtually...
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3544948 |
ELECTROCONDUCTIVE COATING RESISTOR
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3512115 |
THIN FILM RESISTOR NETWORK
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3500464 |
INSULATING ELECTRICAL HEATER SUPPORT
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3469226 |
THIN FILM RESISTOR
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3440408 |
LAMINATED TRANSPARENT PANELS INCORPORATING HEATING WIRES
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