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7316791 |
Polyimide based substrate comprising doped polyaniline
The present invention relates to electrically conductive polyimide films having dispersed in them electrically conductive polymer particles having an average particle size from 0.5 to 5.0 microns....
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7309529 |
Structure and method for improved adhesion between two polymer films
A method for improving the adhesion between polyimide layers and the structure formed by the method. A silicon oxide-containing layer is formed on the surface of a polyimide layer and a second...
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7303811 |
Porous insulating film and its laminates
A porous insulating film comprising a highly heat resistant resin film having a fine porous structure with a mean pore size of 0.01-5 μm in at least the center of the film, and a porosity of...
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7297414 |
Gas barrier film and method for producing the same
Disclosed is a gas barrier film alternately comprising at least one inorganic layer and at least one organic layer on a resin base material having a glass transition temperature of 250° C. or...
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7291919 |
Interlayer dielectric film, and method for forming the same and interconnection
The interlayer dielectric film made of a three-dimensionally polymerized polymer is formed by polymerizing: first cross-linking molecules having three or more sets of functional groups in one...
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7285331 |
Ultraphobic surface
The invention relates to a structured surface with ultraphobic properties. Said surface as a surface topography in which the value of the integral of a function S: S(log f)=a(f)·f, which gives a...
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7285321 |
Multilayer substrates having at least two dissimilar polyimide layers, useful for electronics-type applications, and compositions relating thereto
The present invention relates to a multi-layer laminate having a low glass transition temperature polyimide layer, a high glass transition temperature polyimide layer, and a conductive layer. The...
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7279216 |
Identifiable flexible printed circuit board and method of fabricating the same
The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer,...
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7273661 |
Electrically conductive polyimide compositions having a carbon nanotube filler component and methods relating thereto
This invention is directed to polyimide films having a carbon nanotube filler to provide a surface resistivity in a range from 50 ohm/square to 1.0×10 15 ohms/square. The electrically conductive...
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7273687 |
Toner fuser member having release layer formed from glycidyl end-capped polymer and perfluoroalkyl glycidyl-reactive compound
A toner fuser member has a substrate, on which is formed a toner release surface layer from a composition that includes: about 95 wt. % to about 99.9 wt. % of a cross-linked, glycidyl end-capped...
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7267883 |
Polyimide film and laminate having metal layer and same
A polyimide film of the present invention is a polyimide film having a dynamic viscoelasticity whose tan δ peak is located in a range of not less than 310° C. but not more than 410° C., and...
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7265324 |
Flexible heating sheet
A flexible heating sheet is composed of two heat fusible aromatic polyimide films and an electric heating element having an electric source-connecting terminal at each end which intervenes between...
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7255927 |
Laminate composition
This invention concerns a thermosetting resin system that is useful in the manufacture of high performance prepreg, laminate and composite materials as well as, prepregs, laminates and composites...
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7252881 |
Multilayer structure and multilayer wiring board using the same
A multilayer structure comprising a conductor layer, an adhesive layer, and a polymer film layer interposed between the conductor layer and the adhesive layer. The multilayer structure can be used...
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7247367 |
Polyimide film and process for producing the same
The polyimide film of the present invention is produced in the following manner: polyamic acid made of a combination of a specific acid anhydride constituent and a specific diamine constituent are...
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7244501 |
Fiber reinforced thermoplastic sheets with surface coverings
A composite sheet material that includes at least one porous core layer including a thermoplastic material and from about 20 weight percent to about 80 weight percent fibers based on a total weight...
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7244803 |
Poly-o-hydroxyamide, polybenzoxazole from the poly-o-hydroxyamide, electronic component including a polybenzoxazole, and processes for producing the same
A dielectric for aluminum and copper metalizations is stable at high temperatures. Surprisingly, in spite of the elimination of water during the cyclization, the polymeric dielectrics are very...
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7241490 |
Metallized polyimide film and manufacturing method therefor
A metallized polyimide film includes: a polyimide film; an intermediate layer formed in the polyimide film, the intermediate layer extending 20 nm or less from a surface of the polyimide film, and...
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7241491 |
Polyimide metal laminate
The polyimide metal laminate has at least one resin layer produced from a silica-dispersed polyimide composition obtained by reacting (A) alkoxysilane and/or its partial hydrolysis polycondensate...
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7232610 |
Process for preparing metal-coated aromatic polyimide film
A metal-coated aromatic polyimide film having high peel strength between the polyimide film and the metal coat can be advantageously prepared by the steps of treating an aromatic polyimide film...
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7226664 |
Laminated polyester film, flame-retardant polyester film thereof, copper-clad laminated plate and circuit substrate
The present invention is to provide a laminated polyester film with excellent adhesive properties for use in a laminating material, and the laminated polyester film is a film in which a resin layer...
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7226658 |
Electrical sheet having insulating coating and insulating coating
A magnetic steel sheet with an insulating coating having a good punchability, high sliding performance, excellent handleability in processing, and good uniformity and adhesiveness is achieved by...
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7217462 |
Metal foil-clad laminate
The metal foil-clad laminate of the present invention comprises at least one polyimide layer made of a polyimide having repeating units represented by the following formula I:
wherein R and Φ...
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7213334 |
Method for manufacturing double-sided flexible printed board
A double-sided flexible printed board is manufactured by: (a) forming a polyimide precursor layer on a metal layer; (b) forming an upper circuit layer on the polyimide precursor layer by a...
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7208227 |
ETFE lining member
The present invention provides a lining member in which an ETFE is used and which shows good adhesion and can show a reduction in coating film defects. An ETFE-lining member comprising a substrate,...
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7193020 |
Film and laminate of the same
A film comprising a resin alloy of a liquid-crystalline polyester, a polyimide and an optional inorganic filler is provided. The film is excellent in heat resistance and dimensional stability.
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7189598 |
Wiring board, method of manufacturing the same, semiconductor device, and electronic instrument
A receiving layer is formed from a thermosetting resin precursor. An interconnecting layer is formed on the receiving layer from a dispersion liquid containing conductive particles. Heat is applied...
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7186456 |
Easily slidable polyimide film and substrate employing it
An easily slidable polyimide film having a polyimide surface layer comprising a polyimide which is thermoplastic and has a glass transition temperature of 190–450° C., wherein there are...
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7186454 |
Dielectric films and materials therefor
A material for dielectric films is a polymerizable composition containing an organic solvent, and an adamantanepolycarboxylic acid derivative represented by following Formula (1):
wherein X is...
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7183352 |
Water-dilutable polyesters with cyclic imide structure
The present invention relates to novel polyesterpolyols with cyclic imide structure and to their use in coating compositions.
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7179519 |
Polyimide/metal laminate, and electric/electronic equipment bases, magnetic recording bases, solar battery bases, coating film for aerospace materials and filmy resistance elements with the use thereof
Polyimide/metal laminates having a polyimide film and a metal layer laminated thereon, wherein the polyimide film contains titanium element and flexible print wiring boards with the use of the same...
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7169878 |
Diamines, polyimide precursors and polyimides produced by using the diamines, and liquid crystal aligning agents
A diamine compound represented by the formula (1):
wherein R 1 is a trivalent organic group, each of X 1 and X 2 is a bivalent organic group, X 3 is an alkyl or fluoroalkyl group having...
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7157587 |
Imide-extended liquid bismaleimide resin
The invention is based on the discovery that a remarkable improvement in the performance of bismaleimide thermosets can be achieved through the incorporation of an imide-extended liquid...
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7157135 |
Co-extruded high refractive index coated embossable film
An embossable film for creating holograms and diffraction gratings and methods of producing the embossable films are provided. The embossable film includes a base layer and a co-extruded embossable...
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7148307 |
Water-dilutable polyesters with cyclic imide and isocyanurate structure
The present invention relates to novel polyesterpolyols with cyclic imide and isocyanurate structure and to their use in coating compositions.
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7147920 |
Wafer dicing/die bonding sheet
In a wafer dicing/die bonding sheet comprising a backing member, an adhesive layer, and a protective member, the adhesive layer is made of an adhesive composition comprising a phenolic hydroxyl...
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7141614 |
Photosensitive resin composition and photosensitive films and laminates made by using the same
A photosensitive resin composition of the present invention contains a (A) soluble polyimide and a (b) (meth)acrylic compound, the (A) soluble polyimide being soluble in an organic solvent and...
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7138171 |
Identifiable flexible printed circuit board
The invention discloses an identifiable flexible printed circuit board (PCB) and a method of fabricating the same. The identifiable flexible PCB includes a flexible substrate, a conductive layer,...
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7132137 |
Vertical alignment polyimide and vertical alignment film compositions for LCD
A vertical alignment polyimide for LCD has the following structure:
wherein R 1 and R 2 are same or different tetravalent aromatic residues or alkyl residues; n is an integer, and 24≧n≧6;...
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7130569 |
Polyaniline filled polyimide weldable intermediate transfer components
A weldable intermediate transfer belt having a substrate with a homogeneous composition of polyaniline in an amount of from about 2 to about 25 percent by weight of total solids, and a...
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7129318 |
RTM and RI processable polyimide resins
Polyimide resins that are suitable for processing by resin transfer molding (RTM) and resin infusion (RI) methods at reduced processing temperatures are provided. The inventive RTM and RI...
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7118798 |
Polyimide-metal layered products and polyamideimide-metal layered product
The present invention provides the following three laminates: First, a polyimide-metal laminate which is obtainable by applying to one side of a metal foil a silane-modified polyimide resin...
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7115673 |
Photosensitive resin composition, porous resin, circuit board, and wireless suspension board
The present photosensitive resin composition 2 comprises a polyamic acid resin 4 , a photosensitive agent, a dispersible compound 3 dispersible in the polyamic acid resin 4 , and a solvent....
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7105211 |
Liquid crystal aligning agent, liquid crystal aligning films, and liquid crystal display devices
A liquid crystal alignment treating agent for optical alignment treatment, whereby it is possible to obtain a liquid crystal alignment film which presents a high and stable tilt angle of liquid...
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7087311 |
Polymer compound, precursor for the same and thin film-forming method using the same polymer precursor
Provided are polyimide and a thin film thereof which have a three-dimensional structure and therefore are excellent in a mechanical strength and a heat resistance as compared with those of...
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7083833 |
Photoalignment materials and liquid crystal display fabricated with such photoalignment materials
An aromatic polyamide photoalignment material prepared by a reaction from a diamine compound with a side branch and a photosensitive dicarboxylic acid. Furthermore, liquid crystal display devices...
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7083851 |
High refractive index layers
A composition for forming a layer on a substrate includes a polyelectrolyte that is soluble in a polar solvent. The polyelectrolyte includes a plurality of aromatic groups and nitrogen atoms in a...
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7081304 |
Surface conductive resin, process for forming the same and wiring board
The present invention aims to provide a surface-conductive resin suitable for wiring boards, and the like, a process for forming the resin efficiently, and a wiring board using the...
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7074493 |
Polyimides used as microelectronic coatings
New polynuclear aromatic diamines, such as 2,2′-di-(p-aminophenoxy)-biphenyl, a process for their manufacture and their use as polycondensation components for the manufacture of polyamide,...
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7074880 |
Polyimide aerogels, carbon aerogels, and metal carbide aerogels and methods of making same
A preparation process of polyimide aerogels that composed of aromatic dianhydrides and aromatic diamines or a combined aromatic and aliphatic diamines is described. Also descried is a process to...
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