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7611645 |
Thick film conductor compositions and the use thereof in LTCC circuits and devices
The present invention is directed to a thick film composition for use in low temperature co-fired ceramic circuits comprising, based on weight percent total thick film composition: (a) 30-98 weight...
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7560401 |
Frits and obscuration enamels for automotive applications
Frits, obscuration enamel compositions including frits and automotive windshields having obscuration enamel compositions applied thereto are described. According to one or more embodiments, the...
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7510673 |
Electroconductive paste and ceramic electronic component including electroconductive paste
For mounting on a substrate by using an electroconductive adhesive, an electroconductive paste for forming an external electrode which has improved moisture resistance and which is resistant to...
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7494604 |
Curable thick film paste compositions for use in moisture control
The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and...
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7438829 |
Thick film getter paste compositions for use in moisture control
The invention is directed to a screen-printable getter composition comprising: (a) glass frit; dispersed in (b) organic medium. The invention is further directed to a screen-printable thick film...
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7371335 |
Curable thick film compositions for use in moisture control
The invention is directed to a thick film getter composition comprising: (a) desiccant material; dispersed in (b) organic medium comprising (1) curable organic polymeric binder; (2) monomer; and...
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7339780 |
Copper termination inks containing lead free and cadmium free glasses for capacitors
A reduction resistant lead-free and cadmium-free glass composition that is particularly suitable for use in conductive ink applications is disclosed. The invention includes a capacitor, which...
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7176152 |
Lead-free and cadmium-free conductive copper thick film pastes
Thick film conductive copper pastes that are lead-free and cadmium-free. The inventive copper pastes possess desirable characteristics, including good solderability, good wire bondability, a low...
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7138347 |
Thick-film conductor paste for automotive glass
A thick-film composition comprising:
(a) conductive metal; (b) crystallized glass; (c) amorphous glass; and (d) organic medium.
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7005396 |
Enamel composition
The present invention provides a composition for use in forming an enamel cover coat from which baked-on foods can be removed without the need for pyrolysis or highly alkaline cleaners. The enamel...
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6936556 |
Durable glass enamel composition
The present invention provides partially crystallizing lead-free and cadmium-free glass enamel composition that fuse at low temperatures. Glass enamel compositions according to the present...
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6924246 |
Lead-free glass compositions for decorating ceramic materials
A new lead-free glass flux suitable for the decoration of ceramic materials comprises SiO 2 , Al 2 O 3 , B 2 O 3 and Li 2 O as essential components. The lead-free glass flux is a glass mixture in...
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6881690 |
Compositions for the decoration of ceramic materials
New decorating materials suitable for the decoration of ceramic materials comprise a lead-free glass flux and at least one pigment. The glass flux comprises two lead-free glass compositions. One of...
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6849301 |
Enamel composition, manufacturing process and resulting enamelled products
The present invention relates to a process for manufacturing recyclable black enamels that contain at least zinc, in which process glass forming materials comprising at least bismuth, silicon,...
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6844278 |
Dense lead-free glass ceramic for electronic devices
A dense lead-free glass ceramic that has low dielectric constant and low dielectric loss for producing high-frequency ceramic devices, such as inductors and low temperature co-fired ceramics...
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6797048 |
Method for preparing glass-ceramic
The present invention provides a method for preparing a glass-ceramic containing leucite crystals, comprising the steps of: mixing (1) a glassy material comprising 53 to 65 wt. % of SiO 2 , 13 to...
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6693053 |
Glass and glass powder mixture and use thereof for the production of a glass ceramic
A glass or glass powder is fused from a starting mixture containing approximately 38 wt % to 48 wt % SO 2 , 15 wt % to 19 wt % Al 2 O 3 , 4.5 wt % to 11 wt % TiO 2 , 0 wt % to 1.5 wt % Na 2 O, 0 wt...
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6630417 |
Porcelain composition, porcelain and method of producing the same, and wiring board and method of producing the same
The porcelain of the present invention comprises 5 to 70% by weight of a non-oxide ceramic filler and 30 to 95% by weight of a borosilicate glass having a glass transition temperature of 800° C....
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6624104 |
High durability low temperature lead-free glass and enamel compositions with low boron content
Low temperature melting lead-free glass and enamel compositions are provided which have low boron content and possess high durability properties. Enamel pastes containing frits of the glass...
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6551720 |
Materials to fabricate a high resolution plasma display back panel
Materials for making a plasma display having a transparent front panel spaced from a back panel which is a metal core having layers of a dielectric material extending over and bonded to the core....
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6532769 |
Glass-ceramic joint and method of joining
The present invention is a glass-ceramic material and method of making useful for joining a solid ceramic component and at least one other solid component. The material is a blend of M1-M2-M3,...
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6511931 |
Easy-to-clean matte acid resistant ground coat
The present invention provides a ground coat composition for use in forming an enamel layer on sheet steel that exhibits good spot acid resistance, a satin finish, good bond, and is easy-to-clean....
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6498117 |
Process for manufacturing a recyclable zinc-containing black enamel composition
The present invention relates to a process for manufacturing recyclable black enamels that contain at least zinc, in which process glass forming materials comprising at least bismuth, silicon,...
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6455453 |
Low-temperature sinterable ceramic composition and multilayer ceramic substrate
A low-temperature sinterable ceramic composition which can be simultaneously sintered with a low melting point metal, such as silver or copper, and which has a preferable combination of high...
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6403506 |
Glass powder and use thereof
The invention relates to a glass powder, where at least one oxidizing agent or one reducing agent is added to the glass powder. The glass powder is preferably used as dental glass powder.
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6355187 |
Conductive paste and glass circuit substrate
There is provided a conductive paste comprising a conductive component, a glass frit, and a vehicle, wherein the glass frit comprises a glass and at least one of alumina (Al 2 O 3 ), silica (SiO 2...
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6350495 |
Electrostatically applicable coating powder and processes therefor
Hitherto, glazing defects have arisen during glazing of ceramic substrates with an electrostatically applicable coating powder. This problem is solved by the coating powder CP AB and the coating...
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6348426 |
Electrically conductive composition, ceramic electronic component, and method for producing the component
An electrically conductive composition for forming an electrically conductive film through firing. The composition includes metal powder and glass frit as solid components. The glass frit contains...
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6306784 |
Alkali silicate glass
Alkali silicate glasses are described which, in view of their good chemical stability and their optical properties and processing properties, are particularly suitable as a coating or veneering...
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6255239 |
Lead-free alkali metal-free glass compositions
Lead-free alkali metal-free bismuth-borosilicate glass compositions are disclosed. These compositions are useful in preparing glass frits which are employed in glass enamel compositions which, in...
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6206958 |
Dental porcelain compositions
Porcelain compositions of the present invention comprises particulate of one or more glass or glass-ceramic powder components. Additionally, one or more opacifing agents, pigments, fluorescing...
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6207285 |
Partially crystallizing ceramic enamel composition containing bismuth silicate, and use thereof
A ceramic enamel composition consists of an oxide frit, a bismuth silicate seed material, a pigment, and a vehicle. A preferred bismuth silicate seed material is selected from crystalline Bi 12 ...
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6120906 |
Insulated board for a wiring board
The insulated board of this invention is a sintered body of a complex oxide containing Si, Al, Mg, Zn and B as constituent elements. This sintered body contains a spinel crystal phase containing at...
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6105394 |
Glass enamel for automotive applications
The present invention provides lead and cadmium free glass enamel compositions. In one embodiment of the invention, glass frits include from about 0.1 percent by weight to about 15 percent by...
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6017835 |
Glass compositions for producing dual-glass fibers
Compositions for producing irregularly-shaped dual-glass fibers include a first glass composition and a second glass composition, the first and second glass compositions having nonidentical...
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6004894 |
Reflective porcelain enamel coating compositions
The present invention provides a porcelain enamel coating composition for use in forming a coating composition upon a metal substrate having an infrared reflectivity of at least 50% at 2.5...
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5939343 |
Lead-free glass composition and the use thereof
This invention provides a new lead-free glass composition, a glass frit of this composition, a process for its production and also coloring preparations containing such a glass frit and the use...
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5786288 |
Low dielectric ceramic compositions for multilayer ceramic package
A crystallizable ceramic composition for forming a ceramic dielectric body having a dielectric constant in the range of 4.8-5.3 at 1 MHz and a linear thermal expansion coefficient of 4.0-5.1×10 -6...
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5683790 |
Multilayer ceramic parts
A multilayer ceramic part including dielectric ceramic layers and internal conductor layers is prepared by forming dielectric ceramic layers from an oxide system dielectric ceramic material having...
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5622903 |
Irregularly shaped glass fibers and insulation therefrom
Irregularly shaped glass fibers and insulation therefrom comprise two different glasses having differing coefficients of thermal expansion. These glasses also have physical properties which allow...
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5504045 |
Paint composition
A paint composition containing as a major portion a flux composition including a first flux containing silica, alkali oxide, zinc oxide and boron oxide but containing no lead or lithium and...
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5447891 |
Lead-free glaze or enamel for use on ceramic bodies
The invention concerns a lead-free glaze or enamel for use on ceramic bodies such as bone china. In one embodiment the glaze or enamel includes a hard glass frit which comprises by weight percent...
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5316985 |
Suppression of crystal growth in low dielectric inorganic composition using ultrafine alumina
A ceramic composition for forming a ceramic dielectric body having a dielectric constant of less than about 5.0 and a TCE of 2.0-4.0 ppm/c. The composition is formed from a mixture comprising 25-50...
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5302557 |
Automotive glass thick film conductor paste
Thick film paste composition for applying conductive patterns to automotive window glass comprising finely divided particles of metallic silver, glass frit having transition metal oxide, contained...
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5258335 |
Low dielectric, low temperature fired glass ceramics
A low dielectric, low temperature fired glass ceramic produced by firing at about 800°-900° C. a mixture comprising at least one glass consisting of, by weight percent, 0 to 50% B 2 O 3 , 35 to...
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5226959 |
Gallium-containing glassy low dielectric ceramic compositions
A ceramic composition for forming a ceramic dielectric body having a dielectric constant of less than about 5.5 and a TCE of less than about 4.5 ppm/° C. The composition comprises a mixture of...
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5188886 |
Metal oxide dielectric dense bodies, precursor powders therefor, and methods for preparing same
A metal oxide dielectric dense body, comprising (I) grains having a predominant crystalline phase (a) a primary metal oxide selected from the group consisting of silicon and magnesium oxide and (b)...
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5071794 |
Porous dielectric compositions
This invention provides for a porous dielectric composition comprising at least one crystallized glass, at least one non-crystallized glass, and at least one Group IIA metal silicate, the porosity...
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5053077 |
Fire resistant paint or coating using frits
A coating composition for providing or enhancing the fire resistance of a material. The composition includes a carrier, a polymer base selected from the group consisting of polyepoxide resins and...
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4940676 |
Ceramic compositions and methods employing same
Disclosed are ceramic compositions which have been improved through the addition of a light-curing resin. Porcelain compositions are formulated to include a light-curing resin, generally of the...
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