42484results about How to "Improve thermal stability" patented technology

The present invention provides methods, devices and device components for fabricating patterns on substrate surfaces, particularly patterns comprising structures having microsized and / or nanosized features of selected lengths in one, two or three dimensions. The present invention provides composite patterning devices comprising a plurality of polymer layers each having selected mechanical properties, such as Young's Modulus and flexural rigidity, selected physical dimensions, such as thickness, surface area and relief pattern dimensions, and selected thermal properties, such as coefficients of thermal expansion, to provide high resolution patterning on a variety of substrate surfaces and surface morphologies.

The invention discloses an attapulgite argil powder with an air purifying function. The technical scheme is as follows: the attapulgite argil powder with an air purifying function is prepared from high-viscosity attapulgite clay, an attapulgite constant-humidity conditioner, a natural mineral adsorbing / filtering agent, Cacumen Biotae, aluminum silicate fiber and polyacrylamide. The attapulgite argil powder is prepared by the following steps: pulverizing the materials, soaking and aging to obtain a wet mixture, extruding the wet mixture into a strip, airing the strip, pulverizing to obtain powder, and packaging to obtain the finished product. The attapulgite argil powder has favorable cohesive property, plasticity, thixotropy, fire resistance and thermal stability; the pottery prepared from the attapulgite argil powder with an air purifying function contains a great deal of micropores and activated carbon, thus, has the characteristics of low shrinkage, no cracking or deformation and favorable adsorbability, and can effectively adsorb formaldehyde, ammonia, benzene and other harmful substances in the air, thereby protecting the environment and improving good health of people. The invention is suitable for producing pottery artware with an air purifying function.

A method for forming a metal oxide or nitride film on a substrate by plasma-enhanced atomic layer deposition (PEALD), includes: introducing an amino-based metal precursor in a pulse to a reaction space where a substrate is placed, using a carrier gas; and continuously introducing a reactant gas to the reaction space; applying RF power in a pulse to the reaction space wherein the pulse of the precursor and the pulse of RF power do not overlap, wherein conducted is at least either step (a) comprising passing the carrier gas through a purifier for reducing impurities before mixing the carrier gas with the precursor, or step (b) introducing the reactant gas at a flow rate such that a partial pressure of the reactant gas relative to the total gas flow provided in the reaction space is 15% or less.

Thermally stable ultra-hard compact constructions of this invention comprise an ultra-hard material body that includes a thermally stable region positioned adjacent a surface of the body. The thermally stable region is formed from consolidated materials that are thermally stable at temperatures greater than about 750° C. The thermally stable region can occupy a partial portion of or the entire ultra-hard material body. The ultra-hard material body can comprise a composite of separate ultra-hard material elements that each form different regions of the body, at least one of the regions being thermally stable. The ultra-hard material body is attached to a desired substrate, an intermediate material is interposed between the body and the substrate, and the intermediate material joins the substrate and body together by high pressure / high temperature process.

The present invention provides methods, devices and device components for fabricating patterns on substrate surfaces, particularly patterns comprising structures having microsized and / or nanosized features of selected lengths in one, two or three dimensions and including relief and recess features with variable height, depth or height and depth. Composite patterning devices comprising a plurality of polymer layers each having selected mechanical and thermal properties and physical dimensions provide high resolution patterning on a variety of substrate surfaces and surface morphologies. Gray-scale ink lithography photomasks for gray-scale pattern generation or molds for generating embossed relief features on a substrate surface are provided. The particular shape of the fabricated patterned can be manipulated by varying the three-dimensional recess pattern on an elastomeric patterning device which is brought into conformal contact with a substrate to localize patterning agent to the recess portion of the pattern.

Provided is a vertical LED including an n-electrode; an n-type GaN layer formed under the n-electrode, the n-type GaN layer having a surface coming in contact with the n-electrode, the surface having a Ga+N layer containing a larger amount of Ga than that of N; an active layer formed under the n-type GaN layer; a p-type GaN layer formed under the active layer; a p-electrode formed under the p-type GaN layer; and a structure support layer formed under the p-electrode.

A polycrystalline diamond compact useful for wear, cutting, drilling, drawing and like applications is provided with a first diamond region remote from the working surface which has a metallic catalyzing material and a second diamond region adjacent to or including the working surface containing a non-metallic catalyst and the method of making such a compact is provided. This compact is particularly useful in high temperature operations, such as hard rock drilling because of the improved thermal stability at the working surface.

The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.

Polycrystalline diamond constructions include a diamond body comprising a matrix phase of bonded together diamond crystals formed at high pressure / high temperature conditions with a catalyst material. The sintered body is treated remove the catalyst material disposed within interstitial regions, rendering it substantially free of the catalyst material used to initially sinter the body. Accelerating techniques can be used to remove the catalyst material. The body includes an infiltrant material disposed within interstitial regions in a first region of the construction. The body includes a second region adjacent the working surface and that is substantially free of the infiltrant material. The infiltrant material can be a Group VIII material not used to initially sinter the diamond body. A metallic substrate is attached to the diamond body, and can be the same or different from a substrate used as a source of the catalyst material used to initially sinter the diamond body.

A method and system for providing a magnetic element is disclosed. The magnetic element include providing a pinned layer, a spacer layer, and a free layer. The method and system also include providing a heat assisted switching layer and a spin scattering layer between the free layer and the heat assisted switching layer. The spin scattering layer is configured to more strongly scatter majority electrons than minority electrons. The heat assisted switching layer is for improving a thermal stability of the free layer when the free layer is not being switched. Moreover, the magnetic element is configured to allow the free layer to be switched due to spin transfer when a write current is passed through the magnetic element.

Provided are an organic light emitting compound represented by Formula 1 below, an organic light emitting device comprising the same, and a method of manufacturing the organic light emitting device:where CY1 and CY2 are each independently a fused C6-C50 aromatic ring, Ar1 is a substituted or unsubstituted C6-C50 arylene group, Ar2, Ar3, Ar4, and Ar5 are each independently a substituted or unsubstituted C6-C50 aryl group, m and n are independently 0-3, and R1 and R2 are substituent groups. An organic light emitting device comprising the organic light emitting compound has low turn-on voltage, high efficiency, high color purity and high luminance.

A semiconductor device includes a semiconductor chip and a printed circuit board. Metal electrodes of the semiconductor chip and the internal connection terminals of the printed circuit board are electrically connected through the metallic joining via precious metal bumps. A melting point of a metal material constituting each of the metallic joining parts is equal to or higher than 275 degrees, and a space defined between the chip and the board is filled with resin (under fill) containing 50 vol % or more inorganic fillers.