|
Match
|
Document |
Document Title |
|
|
7540991 |
Ion conductive polymer electrolyte membrane and production method for the same
The present invention provides an electrolyte membrane formed of an ion conductive composition. Said composition contains a liquid crystalline polymer having an ionic dissociative group. Molecular...
|
|
|
7452492 |
Method of fabricating a magnetic coder device, and the device obtained thereby
A method of fabricating a magnetic coder device, the method being of the type consisting in making a mixture of ferromagnetic particles or ferrites in a matrix, in molding the matrix, and in...
|
|
|
6995213 |
Oriented films prepared using impact copolymer polypropylene
Disclosed is a method of producing a novel biaxially oriented film having a high diffraction of light, and flexibility. In particular, the invention disclosed provides a method for making an opaque...
|
|
|
6991759 |
Process for preparation of semi-conducting polymer film containing beta crystalline phase of polyvinylidene fluoride
The present invention provides a process for preparation of semi-conducting polymer film containing beta crystalline phase of polyvinylidene fluoride which have a large number of application in...
|
|
|
6936195 |
Method and apparatus for storing and retrieving information using optical data storage media
Disclosed is a method of manufacturing optical information storage media and multi-layered optical information storage media. Paired information storage structures have characteristic wavelength...
|
|
|
6887923 |
Processing aids for enhanced machine direction orientation rates and property enhancement of polyolefin films using hydrocarbon waxes
The present invention disclose a method for the orientation of a high density polyethylene (“HDPE”) film. The process of the invention comprises forming a HDPE-wax mixture by adding to a HDPE...
|
|
|
6843941 |
Method for fabricating a ferroelectric polymer film
A film made of a vinylidene-trifluoroethylene or tetrafluoroethylene copolymer is uniaxially drawn to fabricate a uniaxially drawn film. Then, the uniaxially drawn film is thermally treated at a...
|
|
|
6821474 |
Method for preparing dielectric composite materials
The invention allows the fabrication of small, dense beads of dielectric materials with selected compositions, which are incorporated into a polymeric matrix for use in capacitors, filters, and the...
|
|
|
6800238 |
Method for domain patterning in low coercive field ferroelectrics
A method for domain patterning of nonlinear ferroelectric materials. The method seeks to reduce the formation of random and spontaneous micro-domains that typically result during thermal cycling of...
|
|
|
6761842 |
Heat conductive mold and manufacturing method thereof
A method of manufacturing a heat conductive molded part having determined heat conductivity properties is provided. The method includes providing a polymer composition containing boron nitride...
|
|
|
6759792 |
Polarization method of a multi-layered piezoelectric body
In a polarization method of the multi-layered piezoelectric body in which a plurality of piezoelectric layers and a plurality of internal electrodes are alternately laminated and adjacent...
|
|
|
6750592 |
Surface acoustic wave filter and surface acoustic wave filter apparatus
The present invention relates to a surface acoustic wave filter in which a plurality of pairs of comb electrode patterns are formed on an upper surface of a chip substrate made of a piezoelectric...
|
|
|
6706234 |
Direct write method for polarized materials
A direct-write method for depositing a polarized material of a predetermined computer-aided pattern onto a target surface, the method including the following steps: (1) forming a solution of a...
|
|
|
6649115 |
Method of manufacturing interconnection components with integral conductive elastomeric sheet material
A method of forming an interconnection component with integral conductive elastomeric sheet material, comprising providing a connector frame defining an opening, casting uncured elastomeric...
|
|
|
6642341 |
Molded articles having improved flex modulus and impact strength and a process for the production thereof
Molded polyurethane articles having improved flex modulus and impact strength are produced by subjecting a polyurethane-forming reaction mixture which has been introduced into a mold to a static...
|
|
|
6628042 |
Polarizing device and method
In order to polarize a piezoelectric material in high-temperature gas, a temperature-raising portion raises the temperature of the piezoelectric material to a temperature required to polarize the...
|
|
|
6593442 |
Semicrystalline propylene polymer compositions with good suitability for producing biaxially oriented films
A semicrystalline propylene polymer composition with good suitability for producing biaxially oriented films and prepared by polymerizing propylene, ethylene and/or C 4 -C 18 -1-alkenes, where at...
|
|
|
6558585 |
Techniques for electrode poling of electro-optic polymers to eliminate poling induced optical loss and poling induced damage to electro-optic chromophores
Method for manufacturing an electro-optic polymer waveguide device including the step of electrode poling an electro-optic polymer material of the device in an oxygen-free environment. In a...
|
|
|
6555293 |
Method for fabricating efficient sources of electromagnetic radiation
A method for fabricating periodically poled structures. The method produces an electric field within a ferroelectric substrate by applying a voltage waveform to an electrode structure disposed on a...
|
|
|
6451410 |
Flexible, cut resistant, and abrasion resistant sheet material and method for making same
The present invention provides a sheet of crystallizable material, having opposed first and second surfaces, the sheet comprising: (a) a plurality of crystalline regions located in the first...
|
|
|
6427360 |
Method for convectively heating permeable material
A method for preheating a permeable, thermoformable material having first and second sides includes supplying heated fluid to a fluid distribution system; regulating flow of the fluid such that...
|
|
|
6423260 |
Methods and apparatus for producing ordered parts from liquid crystal monomers
A method and apparatus for producing ordered parts by from non-ordered liquid crystal monomers. Liquid crystal monomers contain stiff, rod-like mesogenic segments which can be aligned by an...
|
|
|
6414089 |
Method of manufacturing polymer films having second order non-linear optical properties, polymer films, and non-linear optical element
A method of manufacturing a polymer film having second order non-linear optical properties which has excellent stability of orientated molecules and does not become disorientated, and a polymer...
|
|
|
6403012 |
Method of polarization-treating piezoelectric material
In a method of polarization-treating a piezoelectric material, the maximum polarization degree Δf 180max achieved by 180° rotation is determined. A residual polarization degree Δf as a target...
|
|
|
6399011 |
Method of biaxially aligning crystalline material
A method of inducing biaxial particle alignment in a body of crystalline particles of a material such as a high temperature superconducting material, having anisotropic magnetic susceptibility so...
|
|
|
6287505 |
Self-tuning material and method for manufacturing the same
Self-tuning materials which can efficiently emit or receive radio waves in spite of being simple in their construction and small in their dimension, and are applied to patch antenna, wave directors...
|
|
|
6287486 |
Non-destructive technique to pole BaTiO3 crystal
The structure of the barium titanate changes from cubic to tetragonal when the cooling temperature passes through the Curie temperature. This cooling process induces 90° and 180° domains in the...
|
|
|
6207240 |
Laser marking of effect coatings
The invention relates to a process for generating a marking on an effect coating or molding compound comprising cholesteric liquid-crystalline main-chain or side-group polymers or comprising a...
|
|
|
6168746 |
Injection molding of ferroelectric articles
A method for injection molding fine particulate ceramic ferroelectric materials to form an article such as ink jet printhead includes the steps of spray drying fine particulate ceramic...
|
|
|
6156255 |
Electric field domain patterning
A method of patterning domains within a body of a ferroelectric material includes the application of an electric field thereto via spaced conductors. Prior to applying the electric field to the...
|
|
|
6117385 |
Method and apparatus for stereolithography
A method and apparatus for producing ordered parts by stereolithography from non-ordered liquid crystal monomers. Liquid crystal monomers contain stiff, rod-like mesogenic segments which can be...
|
|
|
6090332 |
Process of changing the refractive index of a composite containing a polymer and a compound having large dipole moment and polarizability and applications thereof
Fused ring bridge, ring locked dyes that form thermally stable photorfractive compositions. The fused ring bridge structures are π-conjugated bonds in benzene-, naphthalene- or anthracene-derived...
|
|
|
5993985 |
Fuel cell tubes and method of making same
A method of manufacturing porous ceramic tubes for fuel cells with improved properties and higher manufacturing yield is disclosed. The method involves extruding a closed end fuel cell tube, such...
|
|
|
5886070 |
Production method for anisotropic resin-bonded magnets
The present invention offers a production method for anisotropic resin-bonded magnets with precise dimensions in high productivity. It comprises the aligning step in which the preform is...
|
|
|
5758397 |
Process for making piezoelectric ceramic transformer having large voltage step-up ratio
A driving section applied with an input a.c. voltage and a generator section for generating an output potential are incorporated in a piezoelectric ceramic transformer, and the generator section is...
|
|
|
5725825 |
Method of producing piezoelectric element
A method of producing a cylindrical piezoelectric element includes: (a) injecting the molding fluid containing calcined powder of piezoelectric material in a mold having cylindrical cavity and...
|
|
|
5605659 |
Method for poling a ceramic piezoelectric plate
In the embodiments described in the specification, a ceramic piezoelectric plate is polarized by compressing the plate between electrode plates with intervening slightly conductive rubber sheets or...
|
|
|
5599412 |
Method and apparatus for producing aligned cholesteric liquid crystal inks
In color printing, and in the fine arts, cholesteric liquid crystal (CLC) color inks are known to possess much higher color saturation and brightness than conventional pigment and dyed based inks....
|
|
|
5529741 |
Controlling the coefficient of thermal expansion of liquid crystalline polymer based components
The present invention provides methods of preparing thermotropic and lyotropic liquid crystalline polymer film-based and tubular components having a controlled CTE and components produced by such...
|
|
|
5512218 |
Method of making biopolymer-based nonlinear optical materials
A biopolymer film and other materials that exhibit nonlinear optical (NLO) properties and a method for making this film. Alignment of biopolymer molecules, which is required for NLO phenomena, is...
|
|
|
5494617 |
Method of inducing piezoelectric properties in polymers
An improved method of inducing piezoelectric properties in polymer films, ch as polyvinylidene fluoride (PVDF) films and co-polymers thereof. This improved method involves applying uniaxial tensile...
|
|
|
5400488 |
Method of manufacturing a piezoelectric vibrator capable of reliably preventing dielectric breakdown
On a first piezoelectric sheet of a piezoelectric vibrator, a second piezoelectric sheet is stacked with interposition, between the sheets, of first-set electrodes, formed on an upper surface of...
|
|
|
5359253 |
Piezoelectric material comprising a polymer network
The invention relates to a piezoelectric element comprising a piezoelectric material 1, in the form of a polymer network, between at least two electrodes 2, 3. The piezoelectric material is formed...
|
|
|
5311884 |
Process for making a piezoelectric biomedical device
A piezoelectric medical device and a process for preparing the same by electrostatically spinning a copolymer of vinylidene fluoride and a second fluorinated hydrocarbon, and collecting the spun...
|
|
|
5310511 |
Method and apparatus for poling a planar polarizable body
A planar polarizable body is poled by placement between removable patterned plates which have conjugate patterns of open apertures and subjecting the open apertures to an electric field of the same...
|
|
|
5271876 |
Process for analyzing, monitoring and/or controlling the internal structure of non-conductive, moldable material by inducing an electrical effect therein before it is molded
A process is provided for electrically treating a non-conductive, moldable material by inducing therein a desired electrical effect before it is molded into a desired shape. The process includes...
|
|
|
5254296 |
Method to double the piezo-and pyroelectric of polyvinylidine fluoride (PVDF) films
Polyvinylidene fluoride (PVDF) films and co-polymers thereof possess the highest values of piezoelectric and pyroelectric constants of any known polymer. These films, up to present, have been first...
|
|
|
5204013 |
Polarized products
This invention relates to a polarized material which is free or substantially free of mechanically-induced orientation and has polarization which is essentially stable up to the crystal melting...
|
|
|
5194181 |
Process for shaping articles from electrosetting compositions
A phase changing composition for making articles that can be influenced as o shape and cure time by the application of an electric field. Also disclosed are apparatus and processes for using the...
|
|
|
5192470 |
Method of stretching and polarizing polymer materials
A sheet of polymer material is secured between a pair of clamp members. The sheet is directed through a localized heated region to provide a localized heated portion of said sheet. A first one of...
|