32 results about "Bond density" patented technology

An absorbent article such as infant training pants is provided with a mechanical hook-and-loop type fastening system in which at least the loop material is made of a laminate with a facing having a bond density of greater than 225 points per square inch.

A gas barrier film includes two or more laminates formed on a substrate. each laminate has a organic layer and a inorganic layer stacked in this order. The organic layer directly formed on the substrate includes a (meth)acrylic compound having a glass transition temperature of at least 200° C. and a C—C bond density in the monomer of at least 0.19, and has a thickness of at least 300 nm but less than 1000 nm, and the other organic layer includes a (meth)acrylic compound having a glass transition temperature of at least 105° C. and a C—C bond density in the monomer of at least 0.19, and has a thickness of at least 50 nm but less than 300 nm. The inorganic layers are formed by plasma-enhanced film deposition. A producing method produces the gas barrier film using the plasma-enhanced film deposition.

A silicon single crystal film having a crystal plane as its principal plane, the crystal plane being inclined at 3 to 5° from any lattice plane belonging to {100} planes or {111} planes is used as a pellicle film. The silicon single crystal having such a crystal plane as its principal plane has effective bond density and Young's modulus thereof which are about 40% to about 50% higher than those of a silicon single crystal with <100> orientation, and therefore a cleavage and crack do not easily occur. Moreover, the silicon single crystal has a high chemical resistance such as hydrofluoric acid resistance, and hardly causes an etch pit and void. Accordingly, the present invention can provide a pellicle comprising a pellicle film for EUV having high transmission, and excellent mechanical and chemical stability, as well as having a high yield, and being practical also in cost.

The invention provides a method for using microorganism to regenerate scrap rubber. The microorganism used is saccharomyces cerevisiae. Enzyme and metabolin containing hydrosulphonyl produced in the process of growth of cells of saccharomyces cerevisiae reacts with the scrap rubber, and sulfur cross bond of the rubber is fractured and decoking regeneration is carried on, thus reaching the aim of targeted decoking. The decoking is carried on by using co-cultivating the rubber powder and saccharomyces cerevisiae germs and the scrap rubber decoking regeneration effects are strengthened by combining thermal cracking broken wall reaction of the saccharomyces cerevisiae cells, a phase transfer agent and an addition agent of the phase transfer agent. The excellent technical conditions of the decoking regeneration are confirmed: temperature, pH, rotation speed, reaction time, doze of the phase transfer agent and the addition agent of the phase transfer agent, etc. By checking the cross bond density and the degree of swelling and showing the detection of X ray electron spectrum (XPS), after the function of saccharomyces cerevisiae, the cross bond density of the decoking regeneration rubber is obviously reduced, and the degree of swelling is obviously improved, sulfur element contents on the regeneration rubber surface is decreased, thus showing that the decoking regeneration effects of the saccharomyces cerevisiae is applied to the rubber surface.

The invention provides a flowable chemical vapor deposition method of a silicon oxide film with a lower etching rate, wherein a cyclosilane with a ring molecular structure is used as a precursor, andthe cyclosilane is reacted with a nitrogen-containing compound to deposit on a substrate to form a flowable silicon nitride film, and the silicon oxide film is obtained by oxidation of oxidizing gas.The Si-H bond density and wet etch rate are significantly reduced. Aft high temperature annealing or ultraviolet curing, bottom-up, seamless gap filling can be realized on that patterned silicon wafer; High quality silicon oxide film can be formed on the blank silicon wafer. Good uniformity and good covering performance.

An object of the present invention is to provide a perpendicular magnetic recording medium including a suitable lubricating layer with sufficient durability, moisture resistance, and contamination resistance and also maintaining an R/W characteristic. In a typical structure of the present invention, a method of manufacturing a perpendicular magnetic recording medium 100 including a magnetic recording layer 122, a medium protective layer 126, and a lubricating layer 128 in this order on a base 110 includes: a CF bond density measuring step of measuring a CF bond density of a lubricant; and a lubricating layer forming step of forming a lubricating layer with the lubricant when the measured CF bond density is 2.0×10²² to 2.7×10²² atoms/cm³.

A semiconductor package provides an IC chip on at least one package substrate and including signal bond pads, ground bond pads and power bond pads. The package substrate includes signal contact pads, ground contact pads and power contact pads which are respectively coupled to signal bond pads, ground bond pads and power bond pads formed on the IC chip. The contact pads are coupled to the associated bond pads by a bonding wire. The bonding wires that connect the power and ground pads have a thickness that is greater than the thickness of the bonding wires that couple the signal pads. The various bond pads on the IC chip may be staggered to provide for enhanced compactness and integration. The package substrates may be a plurality of stacked package substrates.

The invention discloses a mesoporous silica nano-drug carrier and a preparation method thereof. The mesoporous silica nano-drug carrier mainly comprises calcium phosphate and silicon dioxide of whichthe mass percent ratio is 1-1.2 to 2.9-25.8. As calcium phosphate is doped with a mesoporous silica skeleton, the -Si-O-Si-bond density is reduced, and the biodegradability of mesoporous silica is improved; besides, the characteristic that calcium phosphate is stable under a neutral condition and easily soluble under an acid condition is utilized, so that drug release has the pH response characteristic, and drug targeted therapy is realized; on the other hand, dissolution of calcium phosphate enables pyrolysis of silica carrier, and degradation and excretion of the carrier are more facilitated.

An alternating current driven type plasma display device which does not increase a driving voltage (discharge voltage) and does not increase a time delay of discharge is provided. The alternating current driven type plasma display device contains a first panel having a plurality of first electrodes formed on a fist substrate and a dielectric layer formed on the first substrate and the first electrodes and a second panel, in which the first panel and the second panel are bonded to each other in circumferential portions thereof, the dielectric layer is constituted by SiO_X, and bonding density of H₂O contained in SiO_X is 3.0×10²⁰ Bonds/cm³ or more.

The invention discloses a preparation method of an epoxy resin composite material with an electric tree resistance characteristic. The method comprises the steps that nano-scale alumina and micro-scale alumina are compounded to serve as an inorganic filler; inorganic particles have a function of preventing electric tree growth, so that an electric tree channel is blocked by the inorganic particles, thereby enhancing the ability of epoxy resin to inhibit the electric branch growth; the cooperative use of fillers with different particle sizes can effectively reduce the generation of air gaps between filler particles and an epoxy polymer, and after coupling agent-low temperature plasma synergistic treatment is carried out on the inorganic filler, the bonding between the fillers with differentparticle sizes and an epoxy resin matrix is promoted, thereby effectively improving the bonding density between the filler and the resin matrix; during the curing of the epoxy resin composite material, intermittent ultrasonic treatment and vacuum degassing treatment reduce the generation of the air gaps in an epoxy system, thereby achieving the purpose of inhibiting the generation of a secondaryelectric tree structure.

The invention relates to a novel condensed ring aromatic hydrocarbon based amide embedded type liquid chromatography stationary phase synthesis method. According to the condensed ring aromatic hydrocarbon based amide embedded type liquid chromatography stationary phase synthesis method, condensed ring aromatic hydrocarbon based carboxylic acids and isocyanate silane reagents are taken as raw materials, amide type silane reagents are synthesized, simple purification is adopted, modification onto stationary phase matrix surfaces is realized so as to synthesize a condensed ring aromatic hydrocarbon based amide embedded type liquid chromatography stationary phase. The properties such as bonding density, aromatic and hydrophobic compound separation effect, charge transfer capacity, and isomer selectivity are tested, it is shown that better aromatic compound selectivity and shape selectivity are achieved.

A chiral medicine resolution medium based on a polypeptide combined recognition base is obtained by bonding the polypeptide combined base with different chiral recognition capabilities onto the surface of porous silica gel with its pore size being 8-12nm and particle size being 5-30mm through chemical modification. According to a preparation method of the above chiral medicine resolution medium, one or some medicine-related proteins undergo enzymatic hydrolysis at 25-37 DEG C by the use of trypsin or papain or elastase or one or some enzymes thereof; zymoprotein is removed from the polypeptide combined base obtained after enzymatic hydrolysis by denaturation and adsorption or dialysis, and then the polypeptide combined base is bonded onto the porous silica gel surface by chemical modification so as to obtain the required chiral medicine resolution medium. The prepared chiral medicine resolution medium has wide chiral resolution range and uniform surface distribution, and its bonding density is higher than the bonding density of a protein stationary phase. The chiral medicine resolution medium has the combined chiral recognition base which can be used for resolution and analysis of a plurality of chiral medicines and provides a foundation for developing chiral resolution materials with a wider resolution range and chiral medicines with better specificity.

The invention relates to a polyethylene pipe bonding material and a preparation method thereof. By selecting metallocene MDPE and HDPE for blending and LLDPE, sarin resin and POP for supplementing toperform maleic anhydride grafting reaction on a polyethylene polymer chain during melt blending, the polyethylene pipe bonding material is prepared, and the polyethylene pipe bonding material has tensile strength greater than 25 MPa, impact strength greater than 32 kJ/m<2>, melt flow rate less than 3.8 g/10 min and peel strength greater than 13.8 N/mm, while the higher peel strength greatly increases the bonding density of the polyethylene pipe bonding material with steel wires or steel pipes; the polyethylene pipe bonding material is applied to high-speed plastic coating of a steel wire meshin a steel wire reinforced polyethylene pipe, and can also be applied to bonding a steel pipe coated with epoxy powder and outer layer PE in a 3PE anticorrosive pipe; the bonding material has better bonding performance with the steel wires or steel pipes.

The invention discloses a manufacturing method of anti-impact soft no-woven cloth. The method comprises the steps that 1, fiber adhesive dipping is conducted, and hot-pressing is conducted on single-fiber layers; 2, hot-pressing is conducted on two-layer composite fiber layers; 3, hot-pressing is conducted on two-layer composite fiber layers with two to four rolls to prepare the anti-impact soft no-woven cloth with four to eight composite fiber layers, wherein adhesives used in the method comprises ethylene vinyl acetate copolymers, waterborne polyurethane resin, terpene resin, polyethylene glycol, o-methoxyhydroquinone and strontium fluoride. According to the manufacturing method of the anti-impact soft no-woven cloth, the adhesives are improved, a multi-component composite formula is adopted, the bonding strength and the bonding density of the adhesives on fibers are effectively improved, and the tenacity and the anti-impact property of the no-woven cloth are improved; freezing and unfreezing are conducted on the fibers which are dipped in the adhesives, the internal stress and the surface tension of the adhesives are effectively decreased, and hot-pressed composite fiber layers have higher strength and anti-impact capacity.

It is an object of the present invention to provide a method for forming an interlayer insulation film suppressing the occurrence of voids in the interlayer insulation film.

A method for forming an interlayer insulation film of the present invention, comprising the steps of: (1) forming an etching stopper film of a silicon nitride film on an entire surface including a step part on a semiconductor substrate having the step part with an aspect ratio of ≧3; (2) forming an interlayer insulation film of an impurity-doped silicate film on the silicon nitride film; and (3) performing reflow of the interlayer insulation film by a heat treatment, wherein the formation of the silicon nitride film is controlled such that the N—H bond density of the silicon nitride film is 1.0×10²² pieces/cm³ or less. According to the method for forming the interlayer insulation film of the present invention, the occurrence of the voids can be suppressed in the interlayer insulation film even if the aspect ratio of the step part formed on the semiconductor substrate is 3 or more. Also, the damage applied to the semiconductor device by reflow can be reduced.

The invention provides a movable chemical vapor deposition method of a silicon nitride thin film with relatively low etching rate. Cyclosilane with an annular molecule structure is used as a precursor, the cyclosilane and a nitrogen-containing compound are deposited on a substrate by a deposition-curing periodic circulation mode to form the movable silicon nitride thin film until a groove of the substrate is filled. The Si-H bond density of the silicon nitride thin film is remarkably reduced, the etching speed is also greatly reduced, and seamless gap filling in a silicon wafer with a patterncan be achieved from bottom to top, the high-quality silicon nitride thin film can be formed on a blank silicon wafer, the method is more suitable for filling of a new-generation semiconductor component with high depth-to-width ratio gap, and the silicon nitride thin film is good in uniformity, good in compactness and high in convergence rate.

The invention relates to chromatographic cake fillers and an application thereof. One kind of chromatographic cake fillers are epoxypropyl methacrylate microspheres with grain sizes not more than 2mu m. A preparation method of the fillers comprises the steps of preparing a polystyrene seed solution with a grain size less than 1mu m and preparing the epoxypropyl methacrylate microspheres with grain sizes not more than 2mu m. The other kind of chromatographic cake fillers are modified epoxypropyl methacrylate microspheres with grain sizes not more than 2mu m. The chromatographic cake fillers are uniform in grains. The modified chromatographic cake fillers have high bond density and loading capacities. The modified fillers are applied to polypeptide and protein biomacromolecules with molecular weights more than 5000.