Comprising Coating Printed Or Deposited On Core Sheath Or Support Means Patents (Class 219/543)
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Patent number: 4485370Abstract: A thin film bar resistor comprises: an insulative substrate, a pair of conductive thin film resistor terminals spaced apart on the substrate, an approximately square thin film resistance body disposed on the substrate between the terminals to be separated from them by guard margins, the body consisting of lower and upper layers of unanodized and anodized tantalum nitride, thin film regions of unanodized tantalum nitride in the guard margins to connect such body to the terminals, and thin film conductive leads connected to the terminals.Type: GrantFiled: February 29, 1984Date of Patent: November 27, 1984Assignee: AT&T Technologies, Inc.Inventor: C. Edward Poisel
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Patent number: 4485297Abstract: The heater of the present invention includes a paper or plastic substrate on which is printed a semi-conductor pattern (typically a colloidal graphite ink) having (a) a pair of longitudinal stripes extending parallel to and spaced apart from each other and (b) a plurality of identical bars spaced apart from each other and extending between and electrically connected to the stripes. A metallic conductor (typically copper stripping) overlies each of the longitudinal stripes in face-to-face engagement therewith, and the conductors are held in tight engagement with the stripes by a sealing layer that overlies the metallic conductors and is sealed, at opposite sides of the semi-conductor stripe associated with the particular metallic conductor, to portions of the substrate that are free from the printed semi-conductor pattern.Type: GrantFiled: August 21, 1981Date of Patent: November 27, 1984Assignee: Flexwatt CorporationInventors: Frederick G. J. Grise, William C. Stumphauzer
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Patent number: 4484061Abstract: A temperature control system for a liquid chromatographic column includes a thin film heater/sensor comprising a foil-like patterned heating element adhesively mounted between a pair of flexible electrically insulative layers. A patterned foil-like temperature sensing element is also coextensively adhesively mounted between the insulative layers in temperature sensing relationship to the heating element. The thin film heater/sensor is wrapped around the chromatographic column and is uniformly compressively secured in contact therewith by a spirally tubularly wound length of flexible wrapping. A remote temperature sensing element controls the heat output of the heating element a linear proportional fashion, thereby maintaining a predetermined temperature gradient over the length of the column. A pre and post-column heaters may be similarly wrapped with a thin film heater/sensors so as to appropriately control the temperature of the liquid entering or leaving the column.Type: GrantFiled: May 13, 1982Date of Patent: November 20, 1984Assignee: Sys-Tec, Inc.Inventors: Richard J. Zelinka, Carl W. Sims
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Patent number: 4483304Abstract: A fuel vaporizer for internal combustion engines is disposed at a suitable position in an intake passage of a carburetor or an intake manifold. The fuel vaporizer comprises a heating cylinder installed in registry with a barrel of the carburetor or a heating plate embedded in a wall of the intake manifold. The heating cylinder or plate includes a base body of electrically and thermally insulative ceramics coated on a surface thereof with a thin film of electrically resistive material such as metal capable of being heated when an electric current flows therethrough, the thin film lying substantially flush with the wall of the intake passage and being electrically connected to a power supply via a switch. When the heating cylinder or plate is heated, it effectively and reliably evaporates fuel in liquid phase flowing down the intake passage into contact with the heated thin film.Type: GrantFiled: January 20, 1982Date of Patent: November 20, 1984Assignee: Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Yutaka Yokoi, Kenji Fujikake
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Patent number: 4476377Abstract: A thermal printing head comprising a base of electrically insulating material, a glaze layer formed on said base so as to form an elongated projection thereon, said glaze layer comprising a main portion and a portion integral with and extending from said main portion, at least one thermal printing element formed on said main portion of said glaze layer, and an area formed in said extending portion of said glaze layer to relieve said glaze layer of surface tension when glaze is sintered and then cooled to form said glaze layer on said base.Type: GrantFiled: December 2, 1983Date of Patent: October 9, 1984Assignee: Rohm Company LimitedInventors: Yutaka Tatsumi, Hideo Taniguchi
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Patent number: 4469936Abstract: A heat generating element particularly well suited for use in an electrical space heater and method of making same include an electrically nonconductive substrate on which is coated a layer of an electrically nonconductive ceramic material having finely divided, micron size metallic particles dispersed therein. A path of electrical conductivity is established in the otherwise nonconductive ceramic material by burnishing the surface of the ceramic material between two separated points. Thus, as electrical current flows along the burnished path, heat will be generated due to the electrical resistance thereof.Type: GrantFiled: April 22, 1983Date of Patent: September 4, 1984Assignee: Johnson Matthey, Inc.Inventor: James B. Hunter
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Patent number: 4463246Abstract: A thermal printing head comprising a base of electrically insulating material, a glaze layer formed on said base so as to form an elongated projection thereon, said glaze layer comprising a main portion and a portion integral with and extending from said main portion, at least one thermal printing element formed on said main portion of said glaze layer, and an area formed in said extending portion of said glaze layer to relieve said glaze layer of surface tension when glaze is sintered and then cooled to form said glaze layer on said base.Type: GrantFiled: August 31, 1981Date of Patent: July 31, 1984Assignee: Rohm Company LimitedInventors: Yutaka Tatsumi, Hideo Taniguchi
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Patent number: 4459470Abstract: Electrodes (18) are positioned in intimate contact with an outer surface of a thin electrically-insulating protecting layer (16) of architectural reflective glass (20). Application of a voltage of sufficient magnitude substantially destroys the insulating layer (16) located beneath the electrodes (18). A subsequent application of voltage results in a passage of current through the underlying thin, light-reflective metal or metal oxide layer (14) and in concomitant output of heat.Type: GrantFiled: January 26, 1982Date of Patent: July 10, 1984Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationInventors: Paul J. Shlichta, Bruce A. Nerad
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Patent number: 4455481Abstract: Window panes are provided with electrically conductive wires. At the desired small diameter of less than 50 micrometers the wires which have been used so far have too high a resistance per unit length.The invention provides a sufficiently strong, thin electrically conducting wire having an electric resistivity from 2.0-5.0.mu. .OMEGA. cm.Type: GrantFiled: February 5, 1982Date of Patent: June 19, 1984Assignee: U.S. Philips CorporationInventors: Isidoor K. Van Hoof, Johannes H. P. M. van den Bergh
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Patent number: 4453669Abstract: An electrically heated glass pane includes a plurality of heating conductors (2) comprising a family of parallel conductors extending between a pair of power supply conductors (3) both disposed on and burnt-in a surface of a glass pane (1). A strip (4), of non-conductive material, covers conductors (3) and extends laterally from the edges of the conductors. The conductors (2) merge into the conductors (3) at a transitional region (7) broadened by an increasing flare so that the cross section of the region, determining the electrical resistance, is greater than the cross section of the conductors (2) providing resistive heating. A layer (12) which covers the same area as the strip (4) may be disposed below each conductor (3), directly on the surface of the glass pane (1). An opening (16) is recessed in layer (12), so that the conductors (3) are connected directly with the surface of glass pane (1).Type: GrantFiled: July 9, 1982Date of Patent: June 12, 1984Assignee: Saint-Gobain VitrageInventors: Heinz Karla, Mario Roth
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Patent number: 4453153Abstract: A bleeder resistor is described for draining charge from capacitances formed in a three element isolator. The isolator includes a dielectric element having conductive coatings thereon to form a capacitance. A bleeder resistor is formed on the dielectric element by screening a thick film resistive composition on the dielectric element so as to create a discharge path between conductive coatings on the dielectric element.Type: GrantFiled: May 10, 1982Date of Patent: June 5, 1984Assignee: Zenith Radio CorporationInventors: Raymond G. Capek, Elgie Garrett
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Patent number: 4450346Abstract: An electric heater plate is disclosed which is formed on one surface of a base material. A plurality of thin lines of a nonprecious material which acts as a resistor when electrical energy flows therethrough is bonded to the first surface of the base material and extends from a first location thereon to a second location thereon. At least two interconnection areas of a non-precious metal which acts as a resistor when electrical energy flows therethrough are provided. These interconnection areas are bonded to the first surface of the base material with one interconnection area interconnecting the plurality of thin lines at the first location and the second of the interconnection areas interconnecting the plurality of thin lines at the second location on the first surface of the base material. A termination area of silver ceramic material is associated with each of the interconnection areas. Each of the terminal areas is in contact with an associated interconnection area.Type: GrantFiled: May 14, 1981Date of Patent: May 22, 1984Assignee: Ford Motor CompanyInventor: Premakaran T. Boaz
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Patent number: 4446355Abstract: A crossover construction of a thermal-head is which the thermal-head comprises: a substrate of insulating material; a plurality of heat elements disposed side by side in one row on said substrate; a plurality of lower thin film conductor patterns each of which connects to each of said heat elements and extends in direction X; an insulating layer disposed over said lower conductors; a plurality of upper conductor patterns disposed in parallel in another direction Y on said insulating layer so as to form a crossover on said substrate, said upper and lower conductors being selectively connected together through openings of said insulating layer, wherein said insulating layer and said upper conductors comprise printed and cured paste of insulating material and conductive material, respectively, each paste being of the low temperature curing type which can be cured at a temperature low enough not to affect the resistance of said thin film lower conductors, and a metallic layer of low resistance is coated on each oType: GrantFiled: February 22, 1982Date of Patent: May 1, 1984Assignee: Fujitsu LimitedInventors: Kiyoshi Sato, Minoru Terashima, Haruo Sorimachi, Toshiaki Naka, Takeo Kanno, Fumiaki Yamada
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Patent number: 4443691Abstract: An electrically heated window is disclosed which achieves a more uniform current density at the interface between the resistive heating layer and the current-bearing electrodes to which it is connected. In one embodiment this may be achieved by forming the edge of the electrode in an undulating shape. It may also be done by increasing the surface resistance of the electrode near its edge by, for example, forming the edge so that it is wedge-shaped in cross-section. More uniform current density may also be achieved by using an electrode which has a resistivity that is greater than that of the resistive heating layer. It may also be achieved by use of a high resistivity layer located between the electrode and the resistive heating layer.Type: GrantFiled: September 30, 1982Date of Patent: April 17, 1984Assignee: Saint-Gobain VitrageInventor: Gerd Sauer
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Patent number: 4438321Abstract: Disclosed is a fixing device for an electrophotographic copier, comprising a heater plate for fixing the toner image of a recording support passing over the surface of said heater plate. The heater plate comprises a multiple-layered laminate including a contact layer for contacting the recording support; a heating layer; and at least first and second heat-insulating layers, one provided on either side of the heating layer and being selected so as to provide for a lower heat capacity of the heater plate during the heating-up operation and until it reaches the working temperature than the heat capacity during continuous operation. The device comprises a heat accumulating layer, and the first insulating layer is adjacent to the contact layer and the second insulating layer is in contact with the heat accumulating layer. The heat transfer coefficient of the first insulating layer is higher than the heat transfer coefficient of the second insulating layer.Type: GrantFiled: March 4, 1982Date of Patent: March 20, 1984Assignee: Hoechst AktiengesellschaftInventor: Roland Moraw
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Patent number: 4429216Abstract: An electrically conductive element comprises a support (perferably a flexible continous polymeric film) and fibrous material (preferably a spun glass fiber web) which is partially embedded in the support and partially protruding therefrom, the protruding fibrous material being part of a conductive layer comprising randomly distributed fibers having conductive material adhered thereto. The element can be prepared from a conductive composition containing conductive particles dispersed in a liquid medium (preferably an aqueous dispersion of carbon particles) by applying said composition to a substrate comprising a support and fibrous material which is partially embedded in one surface of the support and partially protruding therefrom, and then drying to evaporate the liquid medium. The elements are particularly useful as heating elements which comprise electrodes so that current can be passed through the conductive layer.Type: GrantFiled: January 12, 1981Date of Patent: January 31, 1984Assignee: Raychem CorporationInventor: Alan Brigham
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Patent number: 4425021Abstract: A device for electrically connecting the source of electric power and conductors of a defroster for rear window in automobiles, comprising a plate to be welded on the collector of the defroster and a tail for connection to the power source, staggered with respect to the plane of the plate and having a portion of reduced transversal section. The plate is provided with holes and recesses which allow a welded connection with the conductor, so as to withstand stresses due to deformation possibly caused during the operation of assembling the electrical connections (FIG. 1).Type: GrantFiled: July 21, 1981Date of Patent: January 10, 1984Assignee: Societa Italiana Vetro Siv S.p.A.Inventor: Muzio Nicolino
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Patent number: 4419570Abstract: A heated defrosting glass pane contains an alternation of conductive or nonelectricity-conductive regions. The conductive regions are transparent while in a heated state and are arranged in such a manner that during defrosting, they alone, by themselves, provide a sufficient integral visibility through the glass pane, while at the same time the nonconductive zones remain opaque. The ratio of the integral surface between the conductive and nonconductive surfaces is 1/8 to 1/2.Type: GrantFiled: February 25, 1981Date of Patent: December 6, 1983Assignee: Societa Italiana Vetro - SIV - S.p.A.Inventors: Reinhard Kalbskopf, Otto Baumberger
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Patent number: 4413170Abstract: An electrical heating resistor of the type deposited on a substrate plate constituting the basis element of a thermal printing head. In order to concentrate the heat given off in the free surface of said heating resistor towards the paper to print, the invention provides for the deposition on the substrate of at least one layer having a relatively constant resistivity and then at least one surface layer with a non-linear resistivity and a negative temperature coefficient. Starting from a high value when cold, the resistance of the surface layer drops abruptly as soon as it reaches the triggering temperature, thus switching the heat resistor by command of a control circuit.Type: GrantFiled: June 17, 1981Date of Patent: November 1, 1983Assignee: Thomson-CSFInventors: Christian Val, Didier Pribat
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Patent number: 4410874Abstract: A ceramic substrate includes a multiplicity of alternately screened and fired conductor and dielectric levels, with interconnections between levels through small via holes in the dielectric layers or alternately by means of crossovers. Thick film resistors are incorporated throughout the ceramic substrate, wherever needed, and the thick film resistors are printed and trimmed through windows which extend through any upper layers. In addition, resistors may be printed directly on top of the dielectric layers where necessary. Selective area hermetic sealing is utilized only for those chips and wire bonds which require environmental protection by placement of a ring frame seal encircling the selected area and over insulation on substrate conductors which are routed directly beneath the sealing area. A lid is directly soldered to the frame and, before final sealing, a proper environment is created within a sealed area.Type: GrantFiled: June 17, 1982Date of Patent: October 18, 1983Assignee: Hughes Aircraft CompanyInventors: Robert Y. Scapple, Frank S. Keister, Robert G. Grieger, Richard P. Himmel
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Patent number: 4401881Abstract: In a thermal head, a resistive member forming a two-dimensional pattern to be printed on a thermosensitive recording paper is fixed on plural pairs of first and second electrodes. The first electrodes extend on a surface and are commonly connected at one end to be impressed with a first voltage. The second electrodes extend on the same surface that the first electrodes lie and are commonly connected at one end to be impressed with a second voltage lower than the first voltage. The first and second electrodes are arranged in an interdigitate fashion.Type: GrantFiled: March 17, 1981Date of Patent: August 30, 1983Assignee: Tokyo Shibaura Denki Kabushiki KaishaInventor: Tamio Saito
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Patent number: 4398462Abstract: The present invention consists of insulating material fibers and an electroless plating layer formed on the fibers. The plating layer preferably consists of a nickel phosphorous alloy. A squeezing means for forcing the printing ink to pass through a printing pattern and/or a printing base for mounting an article to be printed are provided with a heating means.Type: GrantFiled: May 29, 1980Date of Patent: August 16, 1983Assignee: TDK Electronics Co., Ltd.Inventor: Tadao Okano
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Patent number: 4396900Abstract: A four layer thin film metallization system is comprised of layers of tantalum, chromium, copper and gold and is useful in high resolution, low loss microstrip circuits. The metallization system is compatible with lead-tin solder and, in addition, provides low insertion losses at X-band frequencies.Type: GrantFiled: March 8, 1982Date of Patent: August 2, 1983Assignee: The United States of America as represented by the Secretary of the NavyInventor: Ronald D. Hall
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Patent number: 4392992Abstract: Improved thin film resistors and electrical devices and circuits with thin film resistors are fabricated utilizing a chromium, silicon, and nitrogen compound formed preferably by rf reactive sputtering of chromium and silicon in a nitrogen bearing atmosphere. An annealing step is used to produce time-stable resistance values and in combination with variations in the partial pressure of nitrogen during sputter deposition to control the temperature coefficient of resistivity to have positive, negative or zero values.Type: GrantFiled: June 30, 1981Date of Patent: July 12, 1983Assignee: Motorola, Inc.Inventors: Wayne M. Paulson, David W. Hughes
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Patent number: 4392013Abstract: In manufacturing a fine-patterned thick film conductor structure, a thin film conductor layer having a film thickness of 0.1-10 .mu.m is formed on an insulating substrate and conductive material is then electroplated on the thin film conductor layer to the thickness of 34.9-190 .mu.m under the condition of a cathode current density of no less than 5 A/dm.sup.2. In patterning the conductors, a film thickness-to-conductor interspacing ratio is selected to be no less than 1.4 to prevent widthwise thickening of the conductors in the electroplating process. Resulting conductor structure has a circuit density of no less than 5 lines/mm and a film thickness of 35-200 .mu.m. It is useful for a high density printed circuit board and a miniature coil.Type: GrantFiled: December 22, 1980Date of Patent: July 5, 1983Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Kaoru Ohmura, Takeo Kimura, Tetsuhiro Kusunose
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Patent number: 4388522Abstract: An electrically heated backlite is formed on a glass sheet An opaque, electrically nonconductive coating is bonded to at least two portions of the glass sheet which are spaced apart from one another. Each portion of the nonconductive coating has at least one open area therein. An electrical resistance heater line having spaced terminal ends extends from one portion of the nonconductive coating to the other portion of the nonconductive coating. Each one of the terminal ends of the heater line is overlying and bonded to at least a part of one of the portions of the electrically nonconductive coating and also overlying and bonded to all of the surface of the glass sheet exposed in the open area formed in the portions of the nonconductive coating. An electrical conductor is bonded to the terminal end of the heater line at a location where the terminal end overlies the surface of the glass sheet exposed in the open area of the nonconductive coating in order to increase the bond strength.Type: GrantFiled: February 8, 1982Date of Patent: June 14, 1983Assignee: Ford Motor CompanyInventor: Premakaran T. Boaz
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Patent number: 4385226Abstract: An electrically heated window is disclosed which achieves a more uniform current density at the interface between the resistive heating layer and the current-bearing electrodes to which it is connected. In one embodiment this may be achieved by forming the edge of the electrode in an undulating shape. It may also be done by increasing the surface resistance of the electrode near its edge by, for example, forming the edge so that it is wedge-shaped in cross-section. More uniform current density may also be achieved by using an electrode which has a resistivity that is greater than that of the resitive heating layer. It may also be achieved by use of a high resistivity layer located between the electrode and the resistive heating layer.Type: GrantFiled: January 29, 1982Date of Patent: May 24, 1983Assignee: Saint Gobain VitrageInventor: Gerd Sauer
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Patent number: 4382177Abstract: In a substantially transparent insulating structure, positionable between a warmer region and a colder region, the improvement comprising an infrared reflecting visible light transmitting coating, applied to a surface of a pane in the structure. The coating reflects a substantial portion of infrared radiation incident thereon, so as to restrict substantial transmission of infrared radiation from the warmer region to the colder region. The reflected infrared radiation heats the surface exposed in use to the warmer region sufficiently to inhibit formation of a visibility-impeding layer thereon, without using electrical energy therefor. The reflected infrared radiation is reradiated into the warmer region, thereby inhibiting reradiation of such reflected infrared radiation into the colder region. The coating further transmits a substantial portion of visible light radiation incident thereon, to enable substantially clear visibility therethrough.Type: GrantFiled: September 15, 1980Date of Patent: May 3, 1983Inventor: James J. Heaney
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Patent number: 4378489Abstract: An evaporated thin-film platinum resistance thermometer interleaved with a nichrome heating element on a sapphire substrate so as to calibrate infrared detectors and allow accurate control of the output signals of such detectors.Type: GrantFiled: May 18, 1981Date of Patent: March 29, 1983Assignee: Honeywell Inc.Inventors: Douglas J. Chabinsky, Roger C. Coda
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Patent number: 4374312Abstract: A radiant panel type heating apparatus includes a heating element comprising a sheet of electrically conductive paper which generates heat as a result of resistance to current flow therethrough. The heating element includes spaced apart primary conductor elements comprising thin copper strips which are sewn to the conductive paper to provide uniform distribution of current flow through the paper from one conductor element to the other. The heating element is sandwiched between a main insulative panel member on one side and a heat conductive panel member one the other side to form a heat radiating surface. The heating element is secured in assembly with the panel members by strips of non-conductive and heat resistant double sided adhesive tape. The panel type heating apparatus may be provided in various geometric shapes and includes a thermal switch and fuse assembly to limit the maximum surface temperature of the heating element.Type: GrantFiled: March 16, 1981Date of Patent: February 15, 1983Inventor: John W. Damron
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Patent number: 4373130Abstract: The windshield for a motor vehicle is characterized by a transparent panel having a lower region normally outside the driver's field of vision and where at least one windshield wiper is located in the rest position of the wiper. An electric resistance heating element, formed either as a continuous layer or as a plurality of individual conductors connected in parallel by bus bars, is carried on the windshield only in the lower region for heating the area on which the wipers rest. A continuous layer of a heat radiation absorbing ceramic material opaque to ambient light and coextensive with the area of the heating element is disposed on the windshield between the heating element and the windshield wiper to shield the heating element from view from the front of the windshield and to uniformly distribute heat over the lower portion of the windshield. The windshield is a laminate including inner and outer glass panes with a plastic layer therebetween.Type: GrantFiled: January 21, 1980Date of Patent: February 8, 1983Assignee: Saint-Gobain VitrageInventors: Gottfried Krasborn, Paul Roentgen, Wilhelm Meier, Josef Erdweg
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Patent number: 4370699Abstract: This disclosure concerns printed wiring boards for recording or displaying information. The printed wiring board comprises an insulated substrate, a plurality of functional elements placed on the insulated substrate, a plurality of strip wires formed on the insulated substrate, each of the strip wires connected to a respective functional element, and at least two of the strip wires having different lengths such that one is longer than the other, each of the strip wires comprising a first portion having a first resistivity and a second portion having a second resistivity which is higher than the first resistivity, wherein the resistance of the second portion of the shorter strip wire is higher than the resistance of the second portion of the longer strip wire.Type: GrantFiled: November 28, 1980Date of Patent: January 25, 1983Assignee: Tokyo Shibaura Denki Kabushiki KaishaInventor: Tamio Saito
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Patent number: 4367395Abstract: A thermal pen tip comprising a heat reserve layer formed on an insulating substrate; a resistance layer for heating formed on said heat reserve layer; and a protective layer formed on said resistance layer, wherein said heat reserve layer has a convex top having a curvature and a flat surface on said convex top, so as to have a size corresponding substantially to a width of a line and said resistance layer for heating is formed on said flat surface of said heat reserve layer.Type: GrantFiled: February 25, 1980Date of Patent: January 4, 1983Assignee: TDK Electronics Co., Ltd.Inventors: Yukio Asakawa, Katsuto Nagano, Syozo Sasa
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Patent number: 4367398Abstract: This invention relates to a contact element comprising a flat body of electrically insulating plastic material,a firmly adhering layer of electrically conductive, non-metallic particles on at least one surface of said plastic material,a dielectric adhesive on at least a portion of the surface of said layer of electrically conductive, non-metallic particles,and metal strips secured to said adhesive.This invention also relates to a process for the manufacture of the contact element.Type: GrantFiled: February 26, 1979Date of Patent: January 4, 1983Assignee: Hoechst AktiengesellschaftInventors: Harald Strube, Karl-Eduard Helf
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Patent number: 4361751Abstract: An electroconductive laminated window having an electroconductive coating applied to one interior substrate surface with a pair of bus bars electrically connecting a source of electrical potential thereto. The bus bars include an electroconductive layer having volume resistivity less than about 10.sup.-2 ohm-cm interposed between and conformable to the surface configurations of the electroconductive coating and a flexible metallic current carrying member. The metallic current carrying member is preferably a mesh of thin copper foil which is substantially bendable in its own plane, and the electroconductive layer is preferably a metallic layer substantially free of non-metallic components, consisting of a mixture of finely divided electroconductive particles and finely divided metal alloy particles having a fusion temperature between about 70.degree. C. and about 150.degree. C.Type: GrantFiled: November 13, 1981Date of Patent: November 30, 1982Assignee: PPG Industries, Inc.Inventors: Russell C. Criss, Edward J. Stofka
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Patent number: 4359977Abstract: A heater plug comprising a heater coil connected to a terminal pin, said terminal pin maintained in gas-tight manner at least in part within and insulated from a plug shell, at least the surface of said heater coil formed by a metal or a base alloy of a metal of the platinum group said heater coil supported by heat electrically insulating rod-like or tubular supporting body heater coil surrounded by a protective tube.The heater plug is useful as a starting aid for diesel engines and other internal combustion engines, especially those without spark ignitions.Type: GrantFiled: January 2, 1981Date of Patent: November 23, 1982Assignee: W. C. Heraeus GmbHInventors: Franz Sperner, Fritz Aldinger, Wilhelm Zwergel
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Patent number: 4358663Abstract: A heater plug comprising a heater coil connected to a terminal pin, said terminal pin maintained in gas-tight manner at least in part within and insulated from a plug shell, at least the surface of said heater coil formed by a metal or a base alloy of a metal of the platinum group said heater coil supported by heat resistant electrically insulating rod-like or tubular supporting body heater coil surrounded by a protective tube.The heater plug is useful as a starting aid for diesel engines and other internal combustion engines, especially those without spark ignitions.Type: GrantFiled: January 11, 1980Date of Patent: November 9, 1982Assignee: W. C. Heraeus GmbHInventors: Franz Sperner, Fritz Aldinger, Wilhelm Zwergel
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Patent number: 4355861Abstract: A device for heating the front lens of a television camera to prevent an interfering moisture on the lens which includes a heating unit, detachable from the lens tube, comprising a front disc or lens attached to a support plate; a rear disc or lens also attached to said support plate so as to form a sealed chamber between the front and rear disc; and heat coatings deposited on the chamber side surface of the front disc for heating purposes.Type: GrantFiled: April 24, 1980Date of Patent: October 26, 1982Assignee: Grundig E.M.V.Inventor: Richard Sebald
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Patent number: 4354092Abstract: An electrically heated hair curling iron includes a sheet-shaped heater with electrodes affixed to an electrically resistive layer, wrapped around an elongated cylindrical support, and capable of being rapidly heated and maintained hot by electric current available from a rechargeable storage battery. The resistive layer has a positive temperature coefficient of resistance so that its temperature is self limiting. The storage battery is contained in a handle attached to the cylindrical support, and a battery charger is disclosed which comes into electrical contact with the battery when the handle is inserted in a cavity located in the battery charger. An elongated longitudinal clip is used to retain the hair in contact with the heater; a removable cap protects the heater and clip when the iron is not in use, and also engages a switch which ensures that the iron does not remain on.Type: GrantFiled: September 28, 1979Date of Patent: October 12, 1982Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Keiji Manabe, Tadanori Kawamura, Masao Fukunaga, Takeo Nishida, Seishi Terakado, Toshiaki Nagakoshi
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Patent number: 4352006Abstract: A heated mirror includes a transparent substrate with a reflective coating covering at least one of the substrate surfaces. The reflective coating includes a stack of transparent, non-metallic layers which have alternately high and low indices of refraction. At least one of the layers has a high index of refraction and is constructed from electrically conductive, transparent, non-metallic material through which electric current flows to heat the mirror. The remaining layers of the coating are constructed of transparent, dielectric material.Type: GrantFiled: February 7, 1981Date of Patent: September 28, 1982Assignee: Societa Italiana Vetro-SIV-S.p.A.Inventor: Bogdan Zega
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Patent number: 4346449Abstract: A data storage and retrieval system is provided utilizing digital or analog data input signals to energize one or more data recording heads which can produce a selection of sizes of alpha-numeric, pictorial or digital coded images on a recording medium. Where alpha-numeric or pictorial images are produced, the images are both human and machine readable. Such alpha-numeric or pictorial images can be sequentially or simultaneously selectively produced full sized and/or reduced substantially in size to form at least 24:1 or greater size reductions of these images on the same or different recording media. Thus, for example, X-ray pictures or letters and the like can be simultaneously produced in reduced form on a microfilm recording medium for record storage purposes and full sized simultaneously on a recording medium for direct examination and delivery to third parties.Type: GrantFiled: November 5, 1979Date of Patent: August 24, 1982Assignee: Energy Conversion Devices, Inc.Inventors: Stanford R. Ovshinsky, Peter H. Klose, Wayne P. Messing
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Patent number: 4343986Abstract: A thermal printhead comprising a substrate, heat generating thin film resistor bodies formed on the substrate and electric conductors for supplying the heat generating thin film resistor bodies with electric power, characterized in that the heat generating thin film resistor bodies are made of a Cr-Si alloy subjected to a stabilization aging heat treatment.Type: GrantFiled: March 19, 1981Date of Patent: August 10, 1982Assignee: Hitachi, Ltd.Inventors: Masao Mitani, Toyoji Tsunoda, Tsuneyoshi Kawahito, Tsuneaki Kamei, Akira Yabushita
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Patent number: 4330704Abstract: An improved means of making an electrical connection to a laminar electrode which is in contact with a conductive polymer element. A mat of conductive filaments is placed between the electrode and an apertured conductive member to which the electrical connection is made, and the electrode, the mat and the conductive member are bonded together by means of a polymer or other bonding agent. The presence of the mat between the electrode and conductive member reduces the danger of fracturing the electrode when the conductive member is bonded thereto by heat and pressure. The invention is particularly useful when an ultrasonic welding machine is used to press the conductive member through a layer of polymer to make contact with an electrode underneath the layer.Type: GrantFiled: August 8, 1980Date of Patent: May 18, 1982Assignee: Raychem CorporationInventor: Michael L. Jensen
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Patent number: 4329569Abstract: A resilient snap-on electric heating jacket for heating tubular objects includes a thin sheet of flexible plastic material constituting a radially internal curved surface adapted to engage the surface of the object. A pattern of spaced electrically conductive loops are formed on the radially external surface of the sheet to define an electric heating element. A thick resilient support member of polymeric material coextensive with and overlying the external surface of the plastic sheet and the foil loops is directly secured to the external surface portions of the foil loops and the plastic sheet by an autogenous bond to form a unitary structure generally C-shaped in cross section and capable of being snapped onto a tubular object the outer diameter of which corresponds approximately to the inner diameter of the profile of the unitary structure. The profile of the support member encloses an angle between 180.degree. and 270.degree. and preferably between 200.degree. and 250.degree..Type: GrantFiled: May 1, 1980Date of Patent: May 11, 1982Assignee: Bulten-Kanthal ABInventors: Bengt Hjortsberg, Tommy Fredriksson
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Patent number: 4323726Abstract: An electroconductive laminated window having an electroconductive coating applied to one interior substrate surface with a pair of bus bars electrically connecting a source of electrical potential thereto. The bus bars include an electroconductive layer having volume resistivity less than about 10.sup.-2 ohm-cm interposed between and conformable to the surface configurations of the electroconductive coating and a flexible metallic current carrying member. The metallic current carrying member is preferably a mesh of thin copper foil which is substantially bendable in its own plane, and the electroconductive layer is preferably a metallic layer substantially free of non-metallic components, consisting of a mixture of finely divided electroconductive particles and finely divided metal alloy particles having a fusion temperature between about 70.degree. C. and about 150.degree. C.Type: GrantFiled: July 24, 1980Date of Patent: April 6, 1982Assignee: PPG Industries, Inc.Inventors: Russell C. Criss, Edward J. Stofka
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Patent number: 4319217Abstract: The invention concerns a printed circuit with electrically conductive, solderable conductors and integrated resistance layers upon a nonconductive substrate, in certain surface patterns.Type: GrantFiled: March 22, 1979Date of Patent: March 9, 1982Assignees: Preh Elektrofeinmechanische Werke, Jacob Preh Nachf. GmbH & Co.Inventors: Peter Ambros, Erich Gatzke
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Patent number: 4315128Abstract: A heated bonding tool for the manufacture of semiconductor devices comprises a high density non-porous alumina body having a mounting portion at one end and a working portion at the other end. The working portion end is tapered and converges toward the working tip portion. An electrically conductive-resistive thick film is deposited over the outer surface of the tapered portion intermediate said mounting portion and said working tip portion which is capable of heating said working tip of said bonding tool up to 600.degree. C. Preferably the thick film material has a positive or negative temperature coefficient of resistance which permits the temperature of the working tip to be monitored as a function of the measured resistance of the thick film. An insulative heat resistant terminal block is provided with a pair of resilient leads connected to a power source.Type: GrantFiled: April 7, 1978Date of Patent: February 9, 1982Assignee: Kulicke and Soffa Industries Inc.Inventors: Thomas J. Matcovich, Dan Valenski
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Patent number: 4315134Abstract: A first group of heating filaments is printed on a main section of a wrap-around type rear windowscreen and second and third groups of heating filaments each having a reduced width are printed on side sections of the rear windowscreen between which the main section is interposed. The second and third groups of heating filaments are integrally connected, in one to one relation, to the first group of heating filaments at ridges of the windowscreen by which ridges the main section and the side sections are bound respectively. First highly conductive strips to which the second and third groups of heating filaments are terminated are respectively printed on the side sections. Second highly conductive strips are printed on the ridges to extend along the same while crossing the connecting parts of the first and second, and the first and third groups of heating filaments to connect the same.Type: GrantFiled: May 11, 1979Date of Patent: February 9, 1982Assignee: Nissan Motor Company, LimitedInventors: Kiyoto Matsuzaki, Shojiro Seki, Norimoto Aya
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Patent number: 4306140Abstract: A structure adapted for use in a door of a refrigerated compartment. The door may include a plurality of panes of glass, a plurality of spacers for spacing the plurality of panes of glass so as to form an air space between each pair of panes of glass, a conductive coating applied to one surface of one of the panes of glass facing into the air space between the panes of glass, and an electrical circuit connected to the conductive coating on the coated surface of the pane of glass. The electrical circuit includes a portion which could otherwise be exposed to physical contact through the air space in the event of breakage of the coated or opposing pane of glass. The structure includes a portion for blocking physical contact with the portion of the electrical circuit which could otherwise be exposed. The structure further includes portions for connecting with the spacers in the door for securing the structure in the door.Type: GrantFiled: November 14, 1979Date of Patent: December 15, 1981Assignee: Anthony's Manufacturing Company, Inc.Inventor: Michael E. Stromquist
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Patent number: 4298789Abstract: A cavity, such as an oven cavity, is heated by at least one monolithic integrated heat source, each fabricated by depositing a layer of resistive material on a substrate of non-conducting, or insulating, material. A pair of spaced-apart conductive elements contact opposite ends of the resistance sheet to enable a flow of current through the sheet thereby producing substantially uniform heating over the entire area covered by the resistive sheet.Type: GrantFiled: March 24, 1980Date of Patent: November 3, 1981Assignee: General Electric CompanyInventors: Charles W. Eichelberger, Charles E. Thomas, Robert J. Wojnarowski