46results about How to "Maintain yield" patented technology

Methods for determining tolerances are disclosed that can be used for determining whether a lot of semiconductor wafers needs to be reworked. Overlay tolerance, critical dimension tolerance and a dynamic line edge placement tolerance are determined using error measurements that are taken from sample wafers in the lot, giving tolerances that reflect the error state of that particular lot of semiconductor wafers.

The invention relates to the field of sanitary articles, and provides a natural antibacterial fiber spunlaced non-woven fabric and a preparation method and application thereof. The natural antibacterial fiber spunlaced non-woven fabric comprises hemp fibers and cotton fibers. The preparation method includes the following steps that the hemp fibers and the cotton fibers are pretreated respectively;the pretreated hemp fibers and the pretreated cotton fibers are mixed; the mixed fibers are subjected to opening and picking, carding and combing in sequence to form fine silvers, the fine silvers are pull apart to form fine webs, and then hydrophilic treatment, opening, carding, lapping, drawing, spunlacing, drying and reeling are carried out to obtain the natural antibacterial fiber spunlaced non-woven fabric. According to the method, damage to the hemp fibers is small, the loss is low, and the antibacterial property of the hemp fibers is well retained; the natural antibacterial fiber spunlaced non-woven fabric is good in evenness and combines the advantages that the cotton fibers are soft and comfortable and the hemp fibers are natural antibacterial, dry and breathable; the fabric truly has the advantages of being good in evenness, soft and comfortable, natural antibacterial, dry and breathable, can be widely used in the fields of sanitary napkins, wet wipes, cotton wipes and the like, and has broad application prospects.

A method for producing pulp by extracting hemicellulosic materials from lignocellulosic materials using water in an extraction stage, wherein the extraction stage is either a single extraction or a double extraction process; treating the lignocellulosic materials with an oxidizing agent in a treatment stage, wherein the treatment stage is selected from the group consisting of a second extraction process, an agent impregnation process, and a first pretreatment process; treating the lignocellulosic materials with a reducing agent in the treatment stage, wherein the treatment stage is selected from the group consisting of the second extraction process, the agent impregnation process, and a second pretreatment process; and then subjecting the lignocellulosic materials to a modified Kraft pulping process to produce pulp.

A polishing pad used for precise polishing of the surface of a lapped glass workpiece when a glass substrate for use in data recording media is manufactured from a glass workpiece. The polishing pad comprises a base and a polishing portion laminated on the base and contacting the surface of the glass workpiece at the time of polishing. The polishing portion is formed of a foam made of a synthetic resin having a 100% modulus of 11.8 MPa or less. A type of parameter representing the surface roughness of the polishing portion, namely, the maximum height (Rmax), is 70 μm or less.

The invention provides a method for performing gold-catalyzed selective C-H bond functionalization on phenol and aniline, which comprises the following steps: by taking phenol and aniline compounds as raw materials and taking phosphine ligand or carbene as ligand, in organic solvent, reacting with a diazo compound in the presence of a gold catalyst and a silver salt, performing carbon-hydrogen bond insertion at the para-position or ortho-position of the phenol or aniline structure. The method provided by the invention has the characteristics of low catalyst consumption, mild conditions, wide substrate application range and the like; the method can be used for quickly and efficiently synthesizing methyl acetate derivatives containing the phenol or aniline structure; and meanwhile, the method can be used for performing later modification on natural products or drug molecules (such as estrone), or be used for synthesizing some molecules having biological activity, thus having favorable application prospects.

The invention relates to an anti-counterfeiting integrated circuit (IC) card, and equipment and a method for producing the anti-counterfeiting IC card. The anti-counterfeiting IC card comprises a sheet card base, a groove cavity which is recessed from the surface of the card base, and an IC chip, wherein the IC chip is embedded into the groove cavity and adhered to the wall surface of the groove cavity through a hot-melting adhesive; a high-intensity adhesive is also accommodated between the bottom of the groove cavity and the IC chip; and the IC chip is packaged by using the adhesive which has high adhesion force, high temperature resistance and high corrosion resistance, so that the counterfeiting of the IC card which is melted and dissolved is prevented. By adding an adhesive-dripping program control unit to the conventional IC card packaging machine, the IC card can be packaged by using a GD IC adhesive, so that the industry technical problems that the conventional IC card is low in temperature resistance and corrosion resistance, and a counterfeit card can be easily manufactured are solved, the packaging stability and yield of the IC card can be guaranteed in the packaging process of the IC card, and the manufacturing difficulty of the counterfeited IC card can be greatly improved.

In a dual stress liner approach, the surface conditions after the patterning of a first stress-inducing layer may be enhanced by appropriately designing an etch sequence for substantially completely removing an etch stop material, which may be used for the patterning of the second stress-inducing dielectric material, while, in other cases, the etch stop material may be selectively formed after the patterning of the first stress-inducing dielectric material. Hence, the dual stress liner approach may be efficiently applied to semiconductor devices of the 45 nm technology and beyond.

The present invention pertains to a method for isolating nucleic acids from a sample, preferably a blood sample, comprising the following steps: a) obtaining a sample which has been stabilised by the use of at least one cationic detergent, wherein the cationic detergent has formed complexes with the nucleic acids; b) obtaining the complexes optionally together with other sample components from the stabilised sample, wherein said complexes comprise the nucleic acids to be isolated; c) resuspending the complexes and optionally adding one or more additives before, during and/or after resuspension, thereby obtaining a resuspended sample comprising at least: i) the nucleic acid to be isolated; ii) at least one chaotropic agent; and iii) at least one chelating agent; and d) isolating nucleic acids from the resuspended sample. It was found that adding a chelating agent during resuspension considerably increases the nucleic acid yield as the formation of precipitates which irreversibly adhere to the container wall is considerably reduced.

A method of adjusting exposure error for multiple products is described. First, one Photo Feed Back System (PFBS) suited to host-product or miscellaneous product is chosen. Different standard points and compensation difference for host-product or miscellaneous product are provided. Then, the PFBS parameter is calculated as an exposure adjustment value. The standard point and compensation difference for miscellaneous product are dependent on host-product.

The planar display includes base board, pixel matrix, the first DC/DC converter and the second DC/DC converter. The pixel matrix is formed on the base board. The first DC/DC converter is located inside the integrated circuit to provide the integrated circuit with required power sources while outputting one output voltage. The second DC/DC converter is formed on the base board and connected to the first DC/DC converter for converting the output voltage into the operation voltage for the grid driver.

A method of reducing non-uniformity in the resonance frequencies of a surface acoustic wave (SAW) device, the SAW device comprising a silicon oxide layer comprising an oxide of silicon deposited over interdigital transducers on a piezoelectric substrate by reactive sputtering. The method comprises positioning a piezoelectric substrate having interdigital transducers on a substrate support, then depositing a silicon oxide layer comprising an oxide of silicon over the piezoelectric substrate and the interdigital transducers to form a SAW device. The substrate support is positioned relative to a sputtering target so that the silicon oxide layer of the SAW device has an arithmetic mean surface roughness (R_a) of 11 angstroms or less.

The invention relates to the field of sanitation supplies and provides a novel natural bacteriostatic fiber spunlace material and a preparation method and application thereof. The novel natural bacteriostatic fiber spunlace material comprises raw materials including hemp fiber and cotton fiber. The preparation method comprises the steps that the hemp fiber and the cotton fiber are respectively preprocessed; the preprocessed hemp fiber and cotton fiber are mixed; the mixed fiber sequentially undergoes opening, picking, cotton carding and combing processed to make fine cotton silvers, and the cotton silvers are pulled off to form a fine web; the fine web is subjected to hydrophilic treatment to obtain the material. The novel natural bacteriostatic fiber spunlace material is uniform in length, good in fiber straightness and uniform in mixing and contains few impurities, the preparation method of the material is low in damage rate and consumption for the raw material hemp fiber, the product has the advantages of being safe, antibacterial, breathable, good in dry and comfortable properties and capable of absorbingmoisture, is soft and comfortable and wide in application prospect, is friendly to the skin and can be widely applied to non-woven fabrics, gauze and base fabrics.

The present disclosure relates to a semiconductor substrate and a method for making the same. The semiconductor substrate includes an insulation layer, a first circuit layer, a second circuit layer, a plurality of conductive vias and a plurality of bumps. The first circuit layer is embedded in a first surface of the insulation layer, and exposed from the first surface of the insulation layer. The second circuit layer is located on a second surface of the insulation layer and electrically connected to the first circuit layer through the conductive vias. The bumps are directly located on part of the first circuit layer, where the lattice of the bumps is the same as that of the first circuit layer.

The invention relates to the technical field of food, and discloses a preparation method of sticky rice litchi wine. The preparation method is characterized in that firstly, fresh litchi fruits are selected; after peeling and kernel removal, pulp is pulped; then, mashed fruit is mixed with boiled tartary buckwheat and sticky rice to be fermented; after the fermentation is completed, a clarifying agent is added for clarifying; after the still standing, ultrafiltration membrane refined filtration is performed to obtain the sticky rice litchi wine. The litchi fruits, the tartary buckwheat and thesticky rice are mixed for fermentation, so that the flavor of the sticky rice wine is improved; the nutritional ingredients of the sticky rice wine are also added; the obtained sticky rice litchi wine is red and has bright color and luster; in addition, the control on the number of saccharomycetes is reasonable; the favor of the sticky rice wine is ensured; the wine producing rate in the fermentation process is also maintained.

The present invention relates to a touch control panel, comprising a plurality of first touch control serial arrays, a plurality of second touch control serial arrays, a first insulating layer, a plurality of conductive patterns and a second insulating layer, wherein the first touch control serial arrays are located on a substrate, the first touch control serial arrays extend towards a first direction, each touch control serial array comprises a plurality of first touch control patterns and a plurality of first bridge connection lines electrically connecting the first touch control patterns, the second touch control serial arrays are located on the substrate, the second touch control arrays extend towards a second direction, each second touch control serial array comprises a plurality of touch control patterns and a plurality of second bridge connection lines electrically connecting the second touch control patterns, the first insulating layer is located between the first bridge connection lines and the second bridge connection lines to insulate the first bridge connection lines from the second bridge connection lines, the conductive patterns are at least partially overlapped with the first bridge connection lines, and the second insulating layer is included between the conductive patterns and the first and second touch control serial arrays.

A chemical supply system is provided. The present system provides a first system including a first tank for storing a chemical liquid therein and a first filter connecting with the first tank by a first tube and a second tube. A third tube connects the first system with a second system. The second system includes a second tank and a second filter connecting with the second tank by a fourth tube and a fifth tube. A first vent tube connects with the first tank. A second vent tube connects with the second filter.