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195results about How to "Modulus is reduced" patented technology

Silicone hydrogel contact lens

InactiveUS20060063852A1Improve propertiesLens surface moreOptical elementsPliabilitySilicon
Ophthalmically compatible contact lenses include lens bodies configured for placement on a cornea of an animal or human eye. The lens bodies are made of a hydrophilic silicon-containing polymeric material. The lens bodies have oxygen permeabilities, water content, surface wettabilities, flexibilities, and / or designs to be worn by a lens wearer even during sleep. The present lenses can be worn on a daily basis, including overnight, or can be worn for several days, such as about thirty days, without requiring removal or cleaning.
Owner:COOPERVISION INT LTD

Soft contact lenses

InactiveUS6943203B2Reduces Young 's modulusModulus is reducedOptical partsOptical elementsMonomerSilicone
A soft contact lens containing a silicone-hydrogel made by curing a reaction mixture containing a silicone-containing monomer.
Owner:JOHNSON & JOHNSON VISION CARE INC

Gradient porous implant

ActiveUS20070150068A1Optimize performanceOptimizes various mechanical and biological requirements of the implants performanceAdditive manufacturing apparatusBone implantPorous metalMedical treatment
An implantable medical device includes a porous metal foam or foam-like structure having pores defined by metal struts or webs wherein the porous structure has directionally controlled pore characteristics. The pore characteristics controlled include one or more of the metal structure porosity, pore size, pore shape, pore size distribution and strut thickness. The pore characteristics may vary in one or more directions throughout the structure. Preferably the pore characteristics are controlled to match the porous metal structure to various mechanical and biological requirements of different regions of the structure in order to optimize aspects of the implants performance and may vary not only over the surface of the porous structure but through the depth of the porous structure. The thickness of the porous metal structure may also be modified to establish a thickness profile that optimizes mechanical and biological requirements of the implants performance. Acetabular cup embodiments of the invention are described. Various methods of manufacturing implants having directionally controlled pore characteristics are described.
Owner:HOWMEDICA OSTEONICS CORP

Gradient porous implant

ActiveUS7578851B2Optimizes various mechanical and biological requirements of the implants performanceIncreasing the thicknessAdditive manufacturing apparatusBone implantPorous implantMedical device
An implantable medical device includes a porous metal foam or foam-like structure having pores defined by metal struts or webs wherein the porous structure has directionally controlled pore characteristics. The pore characteristics controlled include one or more of the metal structure porosity, pore size, pore shape, pore size distribution and strut thickness. The pore characteristics may vary in one or more directions throughout the structure. Preferably the pore characteristics are controlled to match the porous metal structure to various mechanical and biological requirements of different regions of the structure in order to optimize aspects of the implants performance and may vary not only over the surface of the porous structure but through the depth of the porous structure. The thickness of the porous metal structure may also be modified to establish a thickness profile that optimizes mechanical and biological requirements of the implants performance. Acetabular cup embodiments of the invention are described. Various methods of manufacturing implants having directionally controlled pore characteristics are described.
Owner:HOWMEDICA OSTEONICS CORP

Curable flame retardant epoxy compositions

A curable flame retardant epoxy resin composition including (a) at least one flame retardant epoxy resin; (b) at least one amphiphilic block copolymer; and (c) a curing agent. Such components are present in the curable composition in the appropriate amounts and ratios such that, upon curing, the block copolymer self-assembles into a nano structure morphology, such as a worm-like micelle morphology. The resulting cured product made from the composition of the present invention has a remarkably increased high fracture resistance; and allows the use of flame retardant epoxies in applications where fracture resistance is an issue.
Owner:RGT UNIV OF MINNESOTA

Method for preparing graphene oxide films and fibers

We report a method of preparation of highly elastic graphene oxide films, and their transformation into graphene oxide fibers and electrically conductive graphene fibers by spinning. Methods typically include: 1) oxidation of graphite to graphene oxide, 2) preparation of graphene oxide slurry with high solid contents and residues of sulfuric acid impurities. 3) preparation of large area films by bar-coating or dropcasting the graphene oxide dispersion and drying at low temperature. 4) spinning the graphene oxide film into a fiber, and 5) thermal or chemical reduction of the graphene oxide fiber into an electrically conductive graphene fiber. The resulting films and fiber have excellent mechanical properties, improved morphology as compared with current graphene oxide fibers, high electrical conductivity upon thermal reduction, and improved field emission properties.
Owner:PENN STATE RES FOUND +1

Bulk metallic glass medical instruments, implants, and methods of using same

InactiveUS20020162605A1Good mri signatureHigh susceptibilityIncision instrumentsSurgical needlesMri guidedMetal
MRI-compatible medical instruments and appliances are made using bulk metallic glass alloys. MRI-guided methods include the use of articles that include bulk metallic glass alloys.
Owner:UT BATTELLE LLC

Contact lens materials

A method for reducing the modulus of polymer silicone hydrogel compositions by employing monomeric polysiloxanes endcapped with trimethylsilyl to reduce the crosslinking density of the hydrogel. The synthesis consists of a single vessel acid catalyzed ring opening polymerization and may be employed to produce copolymers useful as hydrogel contact lens materials.
Owner:BARCLAYS BANK PLC AS SUCCESSOR AGENT

Accommodating intraocular lens device

An intraocular lens (IOL) device comprising a first lens, a second lens and a circumferential haptic. The first lens comprises a pair of opposing and deformable surfaces and a cavity defined therebetween. The first lens has a first lens diameter. The second lens has a second lens diameter. The circumferential haptic has an outer peripheral edge and couples the first lens and the second lens. A main IOL cavity is defined by the circumferential haptic, the first lens and the second lens. The IOL device is resiliently biased to an unaccommodated state, characterized by the IOL device having a first diameter d1 in the absence of radial compressive forces exerted on the outer peripheral edge. The IOL device actuates to an accommodated state being characterized by a second diameter d2 in response to radial compressive forces exerted on the outer peripheral edge, wherein d1>d2.
Owner:LENSGEN INC

Method of manufacturing a golf club head

A golf club head has a face portion, a crown portion, a sole portion, a side portion and a hosel portion. Each portion is made of titanium or a titanium alloy. The side portion is formed integrally entirely from its toe side to its back side and its heel side. The side portion and the hosel portion are cast integrally. The face portion, the crown portion and the sole portion are molded separately from one another. The face portion, the crown portion, the sole portion and the side portion are welded integrally so as to form a golf club head. The Young's modulus of the crown portion is lower than any Young's modulus of the face portion, the sole portion, the side portion and the hosel portion.
Owner:BRIDGESTONE SPORTS

Electro-optic displays, and materials for use therein

A flexible electro-optic display comprises a layer of solid electro-optic material; a backplane comprising at least one electrode arranged to apply an electric field to the layer of electro-optic material; and an adhesive layer disposed between the layer of electro-optic material and the backplane and adhesively securing the layer of electro-optic material to the backplane, the adhesive layer having a storage modulus (G′) of at least about 104 Pascals at 10−3 Hz and 70° C.
Owner:E INK CORPORATION

Magnetic recording medium

Provided is a particulate magnetic recording medium having good processing properties and being inexpensive to produce, similar to prior recording media, wherein by controlling the magnetic clusters that appear due to recording at short wavelengths and thinning of the magnetic layer, good high-density characteristics are achieved in combination with MR heads. The magnetic recording medium comprising an essentially nonmagnetic lower layer and a magnetic layer comprising a ferromagnetic powder and a binder in this order, wherein the magnetic layer has a thickness ranging from 0.01 to 0.15 mum and a coercivity equal to or higher than 159 kA / m, ferromagnetic particles contained in the ferromagnetic powder have a size less than ½ of the minimum recording wavelength, and an average size of magnetic cluster at DC erase is equal to or higher than 0.5x104 nm2 and less than 5.5x104 nm2.
Owner:FUJIFILM CORP

Fluorosilicone-Based Dielectric Elastomer and Method for its Production

A dielectric elastomer has a film that contains a fluorinated silicone elastomer and has two faces. A coating of a stretchable electrode material is applied to each one of the two faces. The fluorinated silicone elastomer has a modulus of elasticity of maximally 450 kPa. The fluorinated silicone elastomer is a three-dimensionally crosslinked, fluorinated, alkyl group-containing polysiloxane in combination with a fluorinated silicone oil. Alternatively, or in addition, the fluorinated silicone elastomer is a three-dimensional wide-mesh crosslinked, fluorinated, alkyl-group containing polysiloxane whose wide mesh property has been effected by a chain length extension by addition of a chain-shaped silicone molecule containing two Si—H groups to an alkenyl group-containing polysiloxane molecule.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV

Curatives for epoxy compositions

The invention provides epoxy and oxetane compositions including the novel acyloxy and N-acyl curing agents described herein. Use of invention curing agents result in cured adhesive compositions with remarkably increased adhesion and reduced hydrophilicity when compared to resins cured with other types of curing agents. Furthermore, the curatives of this invention do not interfere with free-radical cure and are thus suited for use in hybrid cure thermoset compositions.
Owner:DESIGNER MOLECULES

Phosphor film, method of manufacturing the same, coating method of phosphor layer, method of manufacturing LED package, and LED package manufactured thereby

There are provided a phosphor film, a method of manufacturing the same, and a method of coating an LED chip with a phosphor layer. The phosphor film includes: a base film; a phosphor layer formed on the base film and obtained by mixing phosphor particles in a partially cured resin material; and a cover film formed on the phosphor layer to protect the phosphor layer.
Owner:SAMSUNG ELECTRONICS CO LTD

Multi-layer films having improved sealing properties

Multi-layer films that are suitable for packaging and having improved sealing properties are disclosed. Some embodiments may also provide a lower minimum sealing temperature. A soft polymer is blended in a core layer and a tie layer comprising the soft polymer and, optionally, another polymer. A sealable layer is provided on the side of the tie layer opposite the core layer. The multi-layer films may be transparent, contain a cavitating agent, or are pigmented to form an opaque film. Also, the multi-layer film may be metallized or coated with a barrier coating.
Owner:JINDAL FILMS AMERICAS LLC

Golf club head

A golf club head has a face portion, a crown portion, a sole portion, a side portion and a hosel portion. Each portion is made of titanium or a titanium alloy. The side portion is formed integrally entirely from its toe side to its back side and its heel side. The side portion and the hosel portion are cast integrally. The face portion, the crown portion and the sole portion are molded separately from one another. The face portion, the crown portion, the sole portion and the side portion are welded integrally so as to form a golf club head. The Young's modulus of the crown portion is lower than any Young's modulus of the face portion, the sole portion, the side portion and the hosel portion.
Owner:BRIDGESTONE SPORTS

Tunable fly height using magnetomechanical effect in a magnetic head

A new structure for adjusting flying height using a magnetomechanical effect. A head includes a magnetomechanically active structure and a coil coupled to the magnetomechanically active structure, the magnetomechanically active structure responding to a magnetic field generated by the coil to expand and / or contract.
Owner:HITACHI GLOBAL STORAGE TECH NETHERLANDS BV

Siloxane-modified hyperbranched polyimide

InactiveUS20070270562A1Same resistance chemicalSame heat resistanceSynthetic resin layered productsAdhesivesDielectricThermal stability
It is an object of the present invention to provide a siloxane-modified hyperbranched polyimide which has more excellent electric properties (low dielectric property), gas permeability, mechanical properties (low modulus), surface properties (adhesiveness) and the like while maintaining thermal stability, mechanical strength, chemical resistance and processability and the like intrinsic to polyimide and which may be variously functionalized and can be utilized advantageously in industrial applications. A siloxane structure represented by the following structural formula (1) is introduced into a three-dimensional structured hyperbranched polyimide molecule. (wherein R1 represents a hydrocarbon group having from 1 to 6 carbon atoms, and n indicates an integer of from 1 to 50).
Owner:NAGOYA INSTITUTE OF TECHNOLOGY
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