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5753372 |
Wiring structures and method of manufacturing the same
The present invention provides the wiring structure having a wiring layer and insulation layer and the method of manufacturing the same, wherein at least a part of the wiring of said wiring layer...
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5744575 |
Aromatic polyimide and gas separation
An aromatic polyimide having a recurring unit of the formula (I): ##STR1## wherein Ar is a divalent aromatic group having one or two benzene rings which has a sulfonate group of --SO 3 H, --SO 3 ...
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5741599 |
Polyimide compositions for electrodeposition and coatings formed of the same
Aromatic diamines having a carboxylic acid group and various other diamines are reacted with aromatic tetracarboxylic dianhdyrides in organic polar solvents to provide polyimides. Polyimide...
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5739263 |
Film adhesive and process for production thereof
The present invention provides a film adhesive comprising, as the main constituent, a polyimide resin having a glass transition temperature of 350° C. or lower and soluble in organic solvents,...
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5738934 |
Flexible electrode-bearing article
An improved electrode for use in displays, including those of the touchscreen type, has a conductive polymeric material disposed over the electrode material at those regions where the electrode is...
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5736241 |
Laminate
Disclosed is a laminate comprising N-alkyl-substituted maleimide-olefin type copolymer and aromatic polycarbonate, wherein the thickness of N-alkyl-substituted maleimide-olefin type copolymer layer...
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5736592 |
Process for intramolecularly condensing a non-linear optical polyamic acid composition
A process for intramolecularly condensing a polyamic acid composition containing an NLO compound to form a polyimide host matrix composition containing as a guest the NLO compound, which process...
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5734008 |
Polyimide film
The polyimide film of this invention is formed from a polyimide, which is prepared by reacting a diamino compound represented by the general formula (1): ##STR1## wherein X represents a hydrocarbon...
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5731088 |
Multilayer polyimide-fluoropolymer insulation having superior cut-through resistance
A multilayer polyimide-fluoropolymer insulation structure containing (a) a layer of a polyimide-fluoropolymer composite composed of a polyimide copolymer base layer, fluorinated ethylene-propylene...
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5728473 |
Adhesive polyimide siloxane composition employable for combining electronic parts
An adhesive polyimide composition comprises 100 weight parts of a polyimide siloxane having a Tg of not lower than 200° C. and 0.2 to 5 weight parts of a silane coupling agent having a glycidyl...
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5728474 |
Edge design for insulated mold
An insulated mold for thermoplastics, has a recessed mold area and an elevated land area. An insulating material is deposited in the mold area and a hard layer of metal is deposited on the...
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5723206 |
Polyimide-metal foil composite film
A polyimide-metal foil composite film comprising a conductive metal foil having directly laminated on at least one surface thereof a polyimide resin layer which comprises repeating units...
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5723567 |
Copolyamides
A partially aromatic copolyamide is formed of: (a) 5 to 30 weight-% of hexamethylene diamine (b) 10 to 40 weight-% of metaxylylene diamine (c) 15 to 50 weight-% of adipic acid (d) 5 to...
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5721053 |
Post-formable non-stick roller coated smooth substrates
A post-formable coated substrate coated with PTFE and FEP, plus polyamide imide and PPS resins can be made by roller coating and deep drawn with the coating in place.
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5721051 |
Process for resin transfer molding
An improved process to make composites contains the steps of: (1) partially curing a tackifier resin in contact with a substrate to form a shapeable preform; (2) adding a matrix resin and co-curing...
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5716714 |
Low wrinkle performance fuser member
This invention provides a fuser member comprising a core having a polymeric coating wherein said wrinkle index of said fuser member is less than 75, said wrinkle index (WI) being calculated by the...
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5714572 |
Polyimide resin composition
The present invention provides a polyimide resin composition comprising: (a) a polyamide resin comprising a repeating unit represented by the general formula (1): ##STR1## wherein X represents a...
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5710475 |
Insulation of high thermal conductivity and apparatus containing same
Metallic conductors of electricity, such as stator bars in turbine generators, are coated with an insulating composition comprising a high temperature-resistant thermoplastic resin, such as a...
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5707749 |
Method for producing thin film multilayer wiring board
A thin film multilayer wiring material excellent in reliability, yield, productivity, and higher positioning accuracy includes an insulation organic film having a wiring pattern on one surface and...
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5708127 |
Polymerizable monomeric reactants (PMR) type resins
The invention relates to a PMR type resin which comprises a mixture of: (a) nadic acid of Formula (Ia) or a derivative thereof ##STR1## (b) a diaminobisimide of Formula (Ib) ##STR2## (c) an...
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5702775 |
Microelectronic device package and method
A method (38) for packaging a microelectronic device (10) and a device (10) packaged by the method (38). The method (38) includes a step of providing (42) a first material (16) on an active surface...
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5702503 |
Composite gas separation membranes and making thereof
A composite membrane made of an asymmetric porous support and an ultrathin layer having a thickness of less than 100 nm is provided. A method of making the membrane and method for carrying out gas...
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5702818 |
Biocompatability of solid surfaces
An improved spacer material for improving the biocompatibility of a biomaterial and a method for making it in which a polyalkylimine is covalently attached to an aminated substrate and combined...
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5693741 |
Liquid molding compounds
Low molecular weight resins that usually are aliphatic and that include crosslinking thermal functional groups are useful as liquid molding compounds for reaction injection molding or resin...
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5691390 |
Thermoplastic syntactic foams and their preparation
A low-density, porous material is prepared by mixing together microballoons and an oligomeric precursor to a polyesterimide polymer. The oligomeric precursor has an initial viscosity sufficiently...
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5688848 |
Polyimide composition and polyimide composite
A polyimide composition and polyimide composite are provided. The composition has a polyimide resin, a reactive plasticizer and a phosphate. The composition is crosslinked and exhibits desired...
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5686558 |
Liquid crystal orientation film and a liquid crystal display element
The invention relates to a liquid crystal orientation film having a specific polymer, the main chain of the polymer formed of urea bonds and imide bonds, and a liquid crystal display element...
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5686191 |
Thin film wiring board
A thermosetting resin composition comprising (A) a thermosetting polyimide and (B) a bismaleimide and showing a modulus of elasticity of 10 7 to 10 2 dyne/cm 2 during heat curing thereof is...
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5686559 |
Poly(imide-amic ester), process for preparing the same, and processes for preparing polyimide film and polyimide fiber from the same
A poly(imide amic ester) having repeating unit of formula (I) and a process for the preparation thereof are provided, wherein formula (I) has the structure ##STR1## wherein Ar is, ##STR2## Ar' is,...
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5686166 |
Magnetic recording medium having specified base film surface characteristics
The present invention relates to a magnetic recording medium including a base film made of an aromatic polyamide or an aromatic polyimide, and a magnetic recording layer formed on one surface of...
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5679457 |
Thermally conductive interface for electronic devices
A mechanically conformable thermally conductive interface for use in electrically isolating and thermally connecting printed circuit boards to either beat sinks, metal chasses, or heat spreaders....
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5679442 |
Shelf-life indicator for repeatedly sterilizable plastic products
Described is a shelf-life indicator for repeatedly sterilizable plastic products. The shelf-life indicator consists of a polymer incorporating heterogeneously distributed pigments. These pigments...
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5677393 |
Heat-resistant film adhesive for use in fabrication of printed circuit boards and process for using the same
This invention relates to heat-resistant film adhesives for use in fabrication of printed circuit boards formulated from polyimides with silicone units and epoxy resins and, if necessary, epoxy...
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5674575 |
Liquid crystal aligning film and liquid crystal display device using it
The present invention provides a liquid crystal aligning film containing as the principal constituent a polyimide resin, which comprises two or more diamines, and having a stripping load of 4.0 gf...
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5674629 |
Highly selective asymmetric membranes for gas separation
A highly selective asymmetric membrane for gas separation is provided which comprises rigid aromatic polyimide or copolyimide polymers comprising the monomers diphenyldi(trifluoromethyl)methane...
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5670609 |
Polyimide films from pyromellitic dianhydride and 2-2'-bis(perfluoroalkoxy)benzidines as alignment layers for liquid crystal displays
A polyimide alignment film based on pyromellitic dianhydride and a 2,2'-bis(perfluoroalkoxy)benzidine, as major components, for use in liquid crystal display devices.
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5670262 |
Printing wiring board(s) having polyimidebenzoxazole dielectric layer(s) and the manufacture thereof
A film of polyimidebenzoxazole (PIBO) having an electrically conductive layer adhered to at least one face thereto, wherein the PIBO film has a tensile strength greater than 200 MPa. A printed...
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5667899 |
Electrically conductive bonding films
An electrically conductive bonding film useful in bonding an IC or LSI with a lead frame. The film comprises (A) a polyimide resin obtained by reacting a tetracarboxylic dianhydride component, in...
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5668247 |
Thermoplastic polyimide, polyamide acid, and thermally fusible laminated film for covering conductive wires
The invention provides novel thermoplastic polyimide featuring solid adhesive property under low temperature, low hygroscopic coefficient, and solid resistivity to radioactive rays. The invention...
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5667881 |
Integral thermoset/thermoplastic composite joint
A prepreg thermoset sheet, ready to be cured, is molded with a preprocessed thermoplastic part to form an integral thermoset/thermoplastic composite joint. The composite produces a more robust...
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5665802 |
Polyimide film and manufacturing method thereof
The present invention provides an improved grade of polyimide containing an organic phosphorus compound, a film composed thereof and a method of making the aforementioned film. According to the...
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5660921 |
Poly (aryl ether benzimidazoles) their use capping layers in microelectronic structures
A multilevel electronic package comprising at least two levels, each level including a poly(aryl ether benzimidazole), a polymide and copper. A process of preparing this package is disclosed....
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5644016 |
Maleimide copolymer as alignment layer for liquid-crystal displays
Use of a polymer containing maleimide units of the formula I ##STR1## in which R 1 is hydrogen, an acyclic or cyclic, aliphatic, aromatic or araliphatic radical which is chiral or achiral, can be...
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5641568 |
Fixing belt
A fixing belt is prepared by forming a layer of fluorosilicone rubber or fluorocarbonsiloxane rubber on the outer surface of an endless belt body. The fixing belt shows good toner release and...
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5637382 |
Flexible copper-coated laminate and flexible printed circuit board
The object of the invention is to embody further thinning of a double layer flexible printed circuit board (FPC) and provide a flexible copper-coated laminate capable of producing such a novel...
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5637359 |
Plastic substrate liquid crystal display device, method of making, and product produced by the method
There is provided a plastic liquid crystal display device in which an aligning film processing can be carried out at 150 to 180° C. and which can have optical characteristics comparable to those...
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5637387 |
Storage-stable advanced polymaleimide compositions
The present invention relates to storage-stable advanced polymaleimide compositions and prepreg products manufactured therefrom comprising (A) an advanced polymaleimide reaction product resulting...
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5624761 |
Fire-protection and safety composite glass panel
A fire-protection and safety composite glass panel includes a fireproof glass plate and a film of fluorocarbon resin of a chain molecular structure type. The film is bonded onto one of opposite...
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5621068 |
Thermoplastic polyimide polymer; thermoplastic polyimide film; polyimide laminate; and method of manufacturing the laminate
A thermoplastic polyimide film comprising a thermoplastic polyimide polymer, a polyimide laminate, respectively being suited for use as cover-lay adhesive agent and a cover-lay film capable of...
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5609315 |
Thermal blanket joining tape
Two opaque sheets made from the same electrically conductive polymer material have adjoining edges. Each sheet is carbon loaded, electrically conductive, opaque black polymer on a first broad side...
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