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WO/1997/004958A1 |
A process is provided for the manufacture of thin walled ceramic structures, particularly conical or near conical shaped structures. The process involves a tape casting technique wherein a green tape is prepared from a colloidal suspensi...
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WO/1997/005083A1 |
Novel processes are provided for the production of porous ceramic preforms, metal activated porous ceramic preforms and intermetallic/ceramic/metal composites. These products are all manufactured using processes which are based on tape c...
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WO/1997/003829A1 |
A method for producing input/output connections in a ceramic device and apparatus produced thereby is disclosed. The ceramic device can provide wraparound input/output connections. The method (200) can include first providing a plurality...
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WO/1996/041672A1 |
A ceramic hot-gas candle filter having a porous support of filament-wound oxide ceramic yarn at least partially surrounded by a porous refractory oxide ceramic matrix, and a membrane layer on the outside surface of the porous support. Th...
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WO/1996/040411A1 |
A ceramic hot-gas candle filter having a porous support of filament-wound oxide ceramic yarn at least partially surrounded by a porous refractory oxide ceramic matrix, and a membrane layer on at least one surface thereof. The membrane la...
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WO/1996/031687A1 |
A method and composite are provided for protecting thermal barrier coatings deposited on parts from the deleterious effects of environmental contaminants at operating temperatures. The method and composite use an impermeable barrier coat...
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WO/1996/030207A1 |
Disclosed is a process for producing composite materials containing at least one shrinkage-matched ceramic material. The process is characterised by the fact that the starting material for the ceramic material(s) whose shrinkage characte...
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WO/1996/026909A1 |
This thin flat ceramic plate comprises a multilayer sheet type fired body having at least three constituent layers containing a ceramic material as a main component. In the greater number of the constituent layers, the thickness of the c...
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WO/1996/023911A1 |
A wearing protection layer consists of a plurality of individual layers. A first individual layer made of a metallic hard material is directly applied on a substrate and the other individual layers are applied on the first individual lay...
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WO/1996/024051A1 |
The invention relates to a ceramic layer system of at least two layers of considerably different conductivity, containing a ceramic substrate layer (10) of low conductivity and at least one other adjacent ceramic layer of considerable co...
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WO/1996/022882A1 |
Conductive via fill inks for green tapes to be stacked and bonded to a support substrate, the glass used for the green tape having a firing temperature from 850-950 �C, wherein the glass used for the via fill ink has a glass transition...
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WO/1996/020145A1 |
The invention concerns a method of producing ceramic composite bodies comprising at least two layers and having improved adhesion between the layers and improved homogeneity within the layers. According to the method: (1) a ceramic subst...
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WO/1996/014983A1 |
A decorative construction material such as a glass tile is produced from recycled glass granulate, and exhibits a smooth, external surface substantially free from defects on one side of the tile. One or two layer tiles may be produced. A...
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WO/1996/003354A1 |
Aqueous coating compositions for glass or ceramic substrates contain at least one water-soluble alkali silicate and a cross-linking agent produced by reacting at least one alkali hydroxide with an aluminum phosphate. The coating composit...
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WO/1996/003277A1 |
The invention concerns protective clothing, in particular clothing for protection against injury from articles which can stab and cut, bullets or splinters. The clothing is constructed from a plurality of layers of flat structures. At le...
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WO/1995/032604A1 |
A method for processing a low dielectric constant material includes dispersing an additive material in a porous low dielectric constant layer, fabricating a desired electronic structure, and then removing the additive material from the p...
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WO/1995/029883A1 |
Transparent articles comprising transparent, nonmetallic substrate and a transparent film stack is sputter deposited on the substrate. The film stack is characterized by including at least one infrared reflective metal film, a dielectric...
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WO/1995/016199A1 |
An insulating layer system, in particular for gas sensors, has at least one electroconducting solid electrolyte layer (10), an electroconducting layer (20) and at least one electro-insulating (13) arranged between the solid electrolyte l...
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WO/1995/013407A1 |
A component of an aluminium production cell, in particular a cathode or a cell lining of an electrolytic cell for the production of aluminium by the electrolysis of alumina in cryolite, having an aluminium-wettable refractory coating on ...
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WO/1995/002078A1 |
According to the present invention there is now provided a body of cemented carbide (C), Si3N4 or another ceramic material, coated by at least one CVD or PVD diamond (B) or cBN layer with a chromium nitride (A), -carbide or -carbonitride...
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WO/1995/000756A1 |
A wear and shock resistant ceramic-cored composite panel (11) for use in equipment exposed to heavy abrasive materials comprising a plurality of commensurately shaped generally planar layers. The layers are comprised of and sequentially ...
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WO/1994/027819A1 |
The invention concerns composites with at least two layers which consist of different inorganic ceramic compounds and are produced by sintering together different finely particulate inorganic materials disposed in layers. The composites ...
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WO/1994/016887A1 |
A device having a thin ceramic layer (204) therein, is made by preparing a mixture of ceramic particles, a binder, and a plasticizer, and forming the mixture into a ceramic layer (204). A second layer (206) is placed adjacent to the cera...
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WO/1994/014724A1 |
A structural thermal insulator prepared from a suspension of discrete carbon fibres in a viscoplastic liquid such as a polyglycol, glycerine and petroleum oils, by filament orientation moulding a preform then curing the preform and depos...
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WO/1994/006585A1 |
The present invention is directed to a process for fabricating ceramic-metal composites having continuous ceramic and metal phases. The process includes the steps of contacting a porous ceramic matrix material with a molten metal whereby...
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WO/1994/003331A1 |
The coated substrate product finds particular application in eyeglass and sunglass lenses, architectural glass, analytical instrument windows, automotive windshields and laser bar code scanners for use in retail stores and supermarkets. ...
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WO/1994/003908A1 |
A method of forming crystalline metal oxide thin films on silicon and the resultant structure. A crystalline buffer layer (10) of yttria-stabilized zirconia is deposited on a silicon substate (12). A thin template layer (14) of an anisot...
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WO/1993/025499A1 |
A shaped ceramic-ceramic composite article comprising a ceramic monolith, preferably in the shape of a hollow tube, having a ceramic fiber matrix thereover, coated with carbonaceous material and overcoated with silicon carbide.
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WO/1993/025385A1 |
A method of fabricating a plurality of multilayer structures which includes at least one recess (22) defined by a nonplanar surface. The method comprises the steps of: a) providing a resilient, compliant material (36) on or over one or m...
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WO/1993/023246A1 |
The aluminum nitride metallized structure (10) of the present invention includes a substrate (11) comprising an AlN sintered body and a metallized structure (21) formed on the substrate comprising a first layer (12) deposited on the sint...
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WO/1993/020257A1 |
In order to improve the resistance to wear of a composite body made of a hardmetal, steel, ceramic (in particular sintered ceramic) or cermet substrate or a substrate made of diamond or of nickel or cobalt alloy, plus one or more surface...
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WO/1993/016750A1 |
A tube holding clamp (14) in the form of a cylinder open at both ends is attached at one end to a connection (16) which is attached to an adhesive member for attachment to the nose of a patient. The cylinder is slit (32) along its length...
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WO/1993/008672A1 |
A multilayer ceramic part in which its inner conductor is compacted, and the loss of a line is reduced, the performance such as the Q value is improved, and the variation of the performance is reduced. The paste of the inner conductor is...
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WO/1992/022515A1 |
Metal-ceramic composite bodies consisting of a nitride matrix incorporating a three-dimensionnally cross-linked aluminium-containing metal phase characterised by a penetration structure of 15-50 % vol. aluminium and 1-3 % vol. silicon in...
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WO/1992/018238A1 |
Adducts of clay, especially of the smectite variety, most especially bentonite, are prepared with an effective amount of at least one activated mixed metal oxide or oxy-hydroxide (AHMMO) formed by dehydrating hydrotalcite or a mixture co...
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WO/1992/017616A1 |
A method of preparing a laminated ceramic. The method includes preparing a precursor having at least one noble metal element component and at least two non-noble metal elements. The precursor is exposed to a first environment to form a p...
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WO/1992/013435A1 |
Green sheet having a carrier film made of a polymer film which has a glass transition point of 90 �C or higher, and a thermal expansion coefficient of 6.0X10-5cm/cm �C or less, and has a high organic solvent durability and a high hum...
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WO/1992/012106A1 |
A graded electrolyte of zirconia and bismuth oxide containing proposed surface regions one of which is rich in zirconia, the other rich in bismuth oxide is disclosed. The strength and reduction resistance of zirconia is combined with the...
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WO/1992/009861A2 |
A multilayer armor comprising a hard ceramic impact layer (12), a vibration isolating layer (14) positioned adjacent to said hard impact layer and in contact therewith, and a backing layer (16) attached to said vibration isolating layer ...
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WO/1991/007633A1 |
A multilayer armor (40) comprising a hard ceramic impact layer (12), a vibration isolating layer (14) position adjacent to said hard impact layer (12) and in contract therewith, and a backing layer (16) attached to said vibration isolati...
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WO/1991/006823A2 |
Ballistic resistant article comprised of a substrate selected from the group consisting of hard rigid layers and layers comprising a network of high-strength filaments in a matrix and at least one ballistic resistant ceramic body on the ...
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WO/1990/015661A1 |
A free-standing ceramic membrane having pores of substantially uniform size can be formed by partly sintering a cast layer of ceramic particles including more than 60 % of larger particles and up to 40 % of smaller particles as a sinteri...
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WO/1990/013422A1 |
A cutting tool is provided composed of a hard substrate having a PVD coating thereon having three layers. The innermost of first layer (1) is composed of a group IVB (titanium, hafnium or zirconium) metal alloy. The middle or second laye...
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WO/1990/003349A1 |
A process for producing porous ceramics with controlled microstructure. Colloidal suspensions of decomposable polymeric microspheres of substantially the same size and shape, and aluminum oxide particles are consolidated to form a compac...
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WO/1989/009756A1 |
Process for producing ceramic materials made of an essentially dielectrical ceramic matrix, having at least one electroconductive area, and compounds produced by said process. An area of an oxide-based matrix, which will form said electr...
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WO/1989/008026A1 |
A method of manufacturing a thermal printer head comprising a substrate (1) having a heat accumulating layer (5b) on a surface thereof, a dot-like heat generating resistor group (7) arranged in a straight line on said surface of said hea...
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WO/1989/008025A1 |
A method of manufacturing a gas discharge display device comprising a pair of panel substrates arranged to oppose each other at a predetermined gap, at least one of said pair of panel substrates having on a surface thereof a plurality of...
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WO/1989/004452A1 |
An armour material for use in protecting personnel and instrumentation from ball round, armour piercing bullets and shrapnel, comprises a glass-ceramic bonded to an energy absorptive backing comprising high tensile fibres embedded in a n...
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WO/1989/003594A1 |
The process disclosed permits at least one coating of a superconducting oxide ceramic material of the material system having a high transition temperature to be deposited on a substrate. It is difficult to produce continuous coatings in ...
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WO/1988/010233A1 |
An oxide powder having a uniform composition and a fine particle size and capable of being sintered at low temperature can be obtained at a temperature not higher than the boiling point of a solvent by forming fine superconductive oxide ...
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