272results about How to "Simple forming method" patented technology

A block copolymer comprises three block segments of a first segment, a second segment, and a third segment, and containing a polyalkenyl ether main chain, wherein the first segment is hydrophilic or hydrophobic, the second segment is hydrophobic, and the third segment is ionic; and at least one of the block segments has a structure represented by General Formula (1) below:

—(CRaRb-CRc(OR¹))—  (1)

wherein Ra, Rb, and Rc are respectively H or CH₃; R¹ is selected from the group consisting of linear, branched, or cyclic alkyl groups of 1 to 18 carbon atoms, —(CH(R²)—CH(R³)—O)_l—R⁴, and —(CH₂)_m—(O)_n—R⁴; l and m are an integer from 1 to 12; n is 0 or 1; R² and R³ are H or CH₃; R₄ is selected from the group consisting of H, linear, branched or cyclic alkyl groups of 1 to 6 carbon atoms, -Ph, -Pyr, -Ph-Ph, -Ph-Pyr, —CHO, —CH₂CHO, —CO—CH═CH₂, —CO—C(CH₃)═CH₂, —CH₂COOR⁵, -PhCOOR⁵, —CH₂SO₃R⁵, and -PhSO₃R⁵; the hydrogen on the carbon atoms constituting R⁴ except R⁵ moiety may be replaced by a linear or branched alkyl group of 1 to 4 carbon atoms, and the carbon in the aromatic ring may be replaced by nitrogen; and R⁵ is H, an alkyl group of 1 to 5 carbon atoms, or mono- or higher-valent cation.

The invention discloses a twist extrusion forming die and a twist extrusion forming method. The forming die comprises a first half die and a second half die, wherein the first half die and the second half die are tightly buckled through a bolt to form a cylinder, an extrusion die cavity is formed inside the cylinder, and a die joint of the first half die is fit and level with a die joint of the second half die; the extrusion die cavity is sequentially formed by a guide section, a large circular-regular octagonal transitional section, a regular octagonal twist section, an octagonal-small circular twist transitional section and an outlet section from an extrusion inlet to the lower side. The twist extrusion forming die has the advantages of good transformation effect, high speed and high efficiency, the weaknesses of the prior art such as non-uniformity in transformation and existence of transformation dead corner can be overcome, the stress distribution inside a material can be greatly improved, and the comprehensive performance of the material also can be improved.

The invention relates to the technical field of forming pipes with thick walls (a ratio of pipe diameter to wall thickness is less than 20) of such metals as aluminum, copper and steel and round cross sections, and in particular discloses an equal channel forming die for a thick-wall pipe and a method of the equal channel forming die for forming the pipe. An equal channel corner variable-cross section twist extrusion forming technical scheme adopted by the invention is similar to combination of twist shear deformation and upsetting and drawing extrusion-bulging deformation on a cross section, thus realizing combination of multiple deformation modes in an extrusion process. The equal channel forming die disclosed by the invention has the advantages of good deformation effect, quick speed and high efficiency; and the equal channel forming die can overcome a shortcoming of a current process which is uneven in deformation, greatly improve stress-strain distribution and a deformation texture in the material, and simultaneously improve material performance.

The present invention is directed to a semiconductor substrate having an electrode formed thereon, the electrode including at least silver and glass frit, the electrode including: a multi-layered structure constituted of a first electrode layer joined directly to the semiconductor substrate, and an upper electrode layer formed of at least one layer and disposed on the first electrode layer; wherein the upper electrode layer is formed by firing a conductive paste having a total silver content of 75 wt % or more and 95 wt % or less, the content of silver particles having an average particle diameter of 4 μm or greater and 8 μm or smaller with respect to the total silver content in the upper electrode layer being higher than that in the first electrode layer. As a consequence, it is possible to form the electrode, which has the high aspect ratio and hardly suffers an inconvenience such as a break, on the semiconductor substrate by a simple method.

The invention discloses a molded metal-organic framework material and a molding method thereof. The molding method comprises the following steps: preparing a binder solution with a proper concentration to allow the binder solution to minimally block holes in a metal-organic framework material while maintaining good bonding performance; then uniformly mixing the binder solution with a suspension of the metal-organic framework material; placing a substrate membrane in the mixed solution obtained in the previous step to allow the surface of the substrate membrane to be uniformly adhered by a layer of the metal-organic framework material; and then soaking the substrate membrane uniformly adhered by the metal-organic framework material in an organic solvent to allow water molecules in the pore channels of the metal-organic framework material to be displaced out so as to reinforce the strength of the metal-organic framework material adhered on a substrate, wherein the molded metal-organic framework material with a large specific surface area and high mechanical strength is eventually obtained. Thus, the molding method provided by the invention overcomes the technical problems of complex molding process, a long molding period, severe conditions, high cost, severe loss of specific surface areas and the like in the prior art.

A pattern forming method, including: (i) forming a film from a chemical amplification resist composition; (ii) exposing the film, so as to form an exposed film; and (iii) developing the exposed film by using a developer containing an organic solvent, wherein the chemical amplification resist composition contains: (A) a resin capable of decreasing a solubility of the resin (A) in the developer containing an organic solvent by an action of an acid; (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation; and (C) a basic, compound or ammonium salt compound whose basicity decreases upon irradiation with an actinic ray or radiation, and a resist composition used for the pattern forming method and a resist film formed from the resist composition are provided.

The present invention relates to an improved method of forming and structure for under bump metallurgy (“UBM”) pads for a flip chip which reduces the number of metal layers and requires the use of only a single passivation layer to form, thus eliminating a masking step required in typical prior art processes. The method also includes repatterning bond pad locations.

The invention discloses an extruded catalyst for producing acrylic acid by dehydrating biomass lactic acid and a molding method thereof. The catalyst mainly comprises Y molecular sieve raw powder, an adhesive, an extrusion aid and water, wherein the weight ratio of the Y molecular sieve raw powder to the adhesive is 2-50: 1, the weight ratio of the Y molecular sieve raw powder to the extrusion aid is 10-100: 1, the weight ratio of the water to the Y molecular sieve raw powder is 0.3-1: 1, and various raw materials are mixed evenly and then are orderly subjected to kneading, aging, extruded molding and drying to obtain the extruded catalyst. The catalyst has the advantages of simple components, low cost, high activity, good selectivity and high strength. In addition, the molding method for the catalyst is simple and easy to operate, and has low production cost and good industrialized prospect.

A chemical vapor deposition material comprising a ruthenium compound having a ligand represented by the following formula:

wherein R¹, R² and R³ are each independently a hydrogen atom, fluorine atom, trifluoromethyl group or hydrocarbon group having 1 to 10 carbon atoms,

and a method of forming a ruthenium film from the chemical vapor deposition material by chemical vapor deposition. A high-quality ruthenium film even when it is very thin can be obtained.

The invention discloses a method for preparing a silica gel diaphragm and the silica gel diaphragm. The method comprises: forming a composite material tape by two layers of substrates and liquid silica gel through a calendering method, the liquid silica gel being between the two layers of substrates; performing full-plate hot press molding on the composite material tape through a diaphragm die holder, temperature of the hot press molding being higher than vulcanizing temperature of the liquid silica gel; removing the two layers of substrates, to obtain a full-plate silica gel diaphragm; and performing blanking on the full-plate silica gel diaphragm from which the two layers of substrates are removed, so as to prepare a required silica gel diaphragm. Compared with a conventional scheme, the technical scheme is advantaged by simple forming method, low cost, diverse diaphragm forms, and thin diaphragm thickness.

The present invention relates to the chemical technical field and in detail relates to a preformed catalyst used for dehydration of ethanol to ethane and a molding and preparation method of the catalyst. For preparation of the catalyst, HZSM-5 molecular sieve initial powder is used as a main material and a bonding agent and a phosphor-containing compound is used as the promoter. The weight rate of the HZSM-5 molecular sieve initial powder and the bonding agent is 0.3-10: 1, and the weight rate of the HZSM-5 molecular sieve initial powder and the phosphor-containing compound is 2.5-60:1. The catalyst is made from the materials through the procedures of mixing, kneading, melting, molding by band-extruding, drying, calcining and so on. The catalyst is provided with the simple components, the low cost, the strong activity, the large intensity, and the long usable life. The preparation procedures of the catalyst are simple, easy for control and low in the cost. Thus, the catalyst is provided with a good prospect of industrial application.

The invention relates to a low temperature fast preparation method of AlON crystalline ceramics, and belongs to the technical field of crystalline ceramic preparation. The preparation method provided by the invention applies ball-milling modification to AlON powder by adopting a planetary ball mill, the modified powder has tiny particles, and has the grain size distribution characteristics of single-modal, double-modal, multi-modal and the like, while possessing the characteristic of narrow molecular distribution, so as to be beneficial to improve the compactness of blank bodies and promote the sintered densification. The AlON powder which is manufactured through ball-milling modification and has the grain size distribution characteristics can be formed through preforming without adding binder, and further isostatic cool pressing is not required. The compactness of the blank bodies is high, and AlON crystalline ceramics with transmittance greater than 80% can be obtained through keeping the heat of the blank bodies at a temperature below 1900 DEG C with the effect of sintering agents. The preparation method has the advantages of low sintering temperature, short heat preservation time and good energy-saving effect; and the requirement for equipment is not high. The preparation method can be used for preparing construction members in abnormal shapes, so that the applied range is wide, the cost is low, the operation is simple and easy, and the industrialization is easy to realize.

The invention relates to a preparation method of twisted pottery archaized bricks. The preparation method comprises the steps: (1) respectively breaking raw materials, sieving the broken raw materials by using a 250-mesh sieve, and uniformly mixing to obtain a mixture; (2) putting the mixture in a vacuum pugging machine, adding water and pugging to obtain uniform clay strips, and ageing to obtain preform bodies; (3) dividing the preform bodies into n parts, wherein n is greater than or equal to 2, one of the n parts is recorded as the preform body 1, respectively adding different pigments to the rest of preform bodies for pugging so as to obtain clay strips with colors, ageing to obtain the preform body 2, ..., n (n is greater than or equal to 2); (4) twisting the preform body 1 and the preform body 2, ..., n by using a mixing pugging machine so as to obtain the clay strips with assorted colors; (5) putting the assorted colors in a plaster mold, and molding by adopting a plastic pressing method so as to obtain green bodies; and (6) applying transparent glaze after drying the green bodies, then putting in a roller kiln and firing to obtain the twisted pottery archaized bricks. The preparation method is simple in technology and low in sintering temperature. The prepared twisted pottery archaized bricks are good in ornamental effect and low in water absorption.