105 results about "Alloy" patented technology

A semiconductor carrier film includes (i) a base film having insulating property, (ii) a barrier layer provided on the base film, the barrier layer including nickel-chrome alloy as a main component, and (iii) a wire layer provided on the barrier layer, the wire layer being made of conductive material including copper, and a ratio of chrome in the barrier layer is 15% to 50% by weight. A semiconductor device is formed by bonding a semiconductor element to the wire layer. The semiconductor carrier film and the semiconductor device are suitable for attaining finer pitches and higher outputs, because insulating resistance between adjacent terminals is less likely to deteriorate then in conventional art even in the environment of high temperature and moisture.

Disclosed is tin characterized in that a sample of the tin after melting and casting has an α dose of less than 0.0005 cph/cm². Since recent semiconductor devices are highly densified and of high capacity, there is an increasing risk of soft errors caused by the influence of α rays emitted from materials in the vicinity of semiconductor chips. In particular, there are strong demands for high purification of solder materials and tin for use in the vicinity of semiconductor devices, and demands for materials with lower α rays. Accordingly, an object of the present invention is to clarify the phenomenon of the generation of α rays in tin and tin alloys, and to obtain high-purity tin, in which the α dose has been reduced, suitable for the required materials, as well as a method for producing the same.

The invention relates to nickel base powder high temperature alloy and a preparation method and application thereof. The nickel base powder high temperature alloy is prepared from, by mass, 0.02-0.10% of C, 14.0-22.0% of Co, 6.0-14.0% of Cr, 1.8-4.0% of Mo, 3.0-6.0% of W, 2.5-6.0% of Ta, 2.8-4.0% of Al, 2.6-4.4% of Ti, 1.2-3.2% of Nb, 0.1-0.5% of Hf, 0.01-0.08% of Zr, 0.01-0.08% of B, 0.3-6.0% of Os and/or 0.5-6.0% of Ru and the balance Ni. The nickel base powder high temperature alloy has the excellent high temperature tensile strength, yield strength and high-temperature lasting performance and higher working temperature.

A composite gun barrel comprising:

an inner rifled liner tube having an outer surface; and

an outer sleeve made from a shape memory alloy and having an inner surface for disposition against the outer surface of the inner rifled liner tube;

wherein the inner rifled liner tube is configured for guiding projectiles and the outer sleeve is configured for dampening the firing vibrations encountered by the inner rifled liner tube.

A member 20 for semiconductor manufacturing equipment includes a base portion 22 and a ceramic member 30 formed on the base portion 22. The ceramic member 30 of the present invention includes a ceramic base 32 containing at least one of magnesium oxide, a magnesium oxide solid solution in which a predetermined component is dissolved in magnesium oxide, and zirconium oxide; and an electrode 34 which is arranged on part of the ceramic base 32 and which contains a ruthenium-aluminum alloy as an electrode component. The ceramic member 30 is a plate-like member and has a structure in which the electrode 34 is embedded therein. The electrode 34 is connected to a feeding member 26 inserted from the underside of the ceramic member 30. Electric power is supplied from the feeding member 26.

The invention discloses a method for grinding excircles of axial hard alloy.. The method comprises the steps of blanking, machining of technology extensions, binding the technology extensions on two end faces of axial hard alloy by utilizing binding materials, drilling center holes, externally grinding, removing the technology extensions and the like. According to the invention, cheap steel pieces serve as the technology extensions to replace two lengthened cone tips of hard alloy, thus the raw material cost of the hard alloy is reduced. Drilling center holes on the technology extensions of the steel pieces is much easier than grinding cone tips, and simultaneously removing the technology extensions is also much easier than cutting the lengthened cone tips of hard alloy, thus the manufacturing cost of cutter products is correspondingly reduced; and grinding temperature causing the hard alloy to crack is prevented from occurring, and cracked rejected products are avoided. Tool consumption does not include diamond grinding wheels, the production efficiency is greatly improved, and the manufacturing cost is low. Drilling of center holes is easy, and the method for grinding excircles of axial hard alloy can be applied to grinding of all excircles of axial hard alloy cutters without any limitation. The technology is simple, and the operation is convenient.

The invention belongs to the technical field of micro-electronics, particularly disclosing a nanowire MOS transistor and a preparation method thereof. The nanowire MOS transistor uses metallic nickel to serve as the drain and source diffusion material of III-V semiconductor nanowire and utilizes the nickel diffusion mechanism under high temperature to ensure that metallic nickel diffuses to III-V material; formed low-resistance Ni-III-V alloy serves as the drain and source diffusion material of the III-V semiconductor nanowire MOS pipe so as to realize ohmic contact between the drain and source material and channel material. The MOS transistor disclosed by the invention has the advantages of simple structure, convenient manufacture, small contact resistance and the like, can effectively lower the possibility of producing parasitic capacitance and effectively lowers the cut-off current of the MOS transistor. Meanwhile, the invention also discloses a preparation method of the nanowire MOS transistor, can effectively control the channel length of the MOS transistor so as to ensure that a semiconductor device has larger operating current.

The invention discloses a method for processing a pin hole of an intermediate case lining. The method comprises the following steps of: 1, selecting a template lining which can be successfully fed into a faulted engine as the template lining; 2, marking, namely making marks near the template lining and a new lining hole; 3, measuring, namely measuring the template lining on a three-coordinate measurer, putting the template lining onto a workbench by taking an upper plane as a reference, pressing a middle plane, and taking a connection line of centers of holes B and E as a Y axis; 4, straightening, namely putting a new lining onto a workbench of a numerical control double-coordinate boring machine TK42100/2 by taking the upper plane as a reference, boring a hole at rotating speed of a boring cutter of 60 to 120 r/min and feeding speed of 0.01 to 0.02 mm/r, and selecting an alloy boring cutter; and 5, clearing and mounting. The method has the advantages that the process is simple; the repairing quality of an engine is guaranteed; the bottleneck problem of the site technology is solved; production can be successfully executed; a new processing technique is supplied to repairing of combined processed parts; and the method can be directly applied to other repairing fields.

The invention discloses a boron-bearing chromium molybdenum nickel wear-resistant alloy comprising the following chemical components: 0.30-0.50% of C, 0.8-2.6% of B, 0.5-1.8% of Mn, 0.4-1.0% of Si, 4.0-6.0% of Cr, 2.0-4.5% of Mo, 0.8-2.0% of Ni, 3.5-5.5% of V, 0.02-0.04% of Ce, 0.02-0.04% of La, 0.10-0.20% of Mg, 0.01-0.03% of Ca, 0.05-0.10% of Ba, 0.040 or less of S, 0.040 or less of P, and balance of Fe and unavoidable impurities; the preparation steps include melting and heat treatment; the present invention aims to provide the boron-bearing chromium molybdenum nickel wear-resistant alloy which is safer, more wear resistant, and better in toughness, and also aims to provide a preparation method which is simple and easy to operate, simple in technological process and low in cost for preparation of the boron-bearing chromium molybdenum nickel wear-resistant alloy.

The invention provides a double-sided bonding method applicable to hard alloy bars in the hard alloy hard-surface machining process and an application thereof. According to the method, a locating groove plate for bonding is scientifically designed; the hard alloy bars are arranged on the locating groove plate and bonded through perforated double-sided tape; the hard alloy bars or blocks are fixed through spot welding; the tape is placed on the steel surface of a component to be machined, and the steel surface is subjected to spray welding, surfacing and grinding and machined into the hard surface. The method is simple and easy to realize, the hard alloy bars are bonded at a time, the bonding efficiency is greatly improved, and the defects that bonding angles are different and bonding intervals are uneven due to manual operation are overcome, the bonding accuracy is improved, and high-efficiency combination of the bonding plate to which the hard alloy bars adhere and the surface to be machined is effectively achieved through the double-sided tape, and operation is simplified. Through the method, the abrasion resistance of the hard surface of the product is effectively guaranteed and improved; the method can be well applied to hard surface machining of centering devices or TC bearings for mining drilling tools and screw drilling tools.

Provided are an apparatus for manufacturing a compound powder, a method of manufacturing an iron-boron compound powder by using the apparatus, a boron alloy powder mixture, a method of manufacturing the boron alloy powder mixture, a combined powder structure, a method of manufacturing the combined powder structure, a steel pipe, and a method of manufacturing the steel pipe The method of manufacturing the boron alloy powder mixture includes: preparing a mixed powder including a boron iron alloy powder and a target powder; heat-treating the mixed powder to boronize at least a portion of the target powder and de-boronize at least a portion of the boron iron alloy powder, thereby de-boronizing the boron iron alloy powder to reduce the melting point of the boron iron alloy powder.

A aluminum base alloy containing boron and manufacturing method thereof, said alloy exhibiting good mechanical properties (such as high-temperature strength and creep strength) over a long period of time and also having a neutron absorbing capacity owing to boron present therein in the form of a compound without segregation. The alloy contains 0.5–10 mass % of boron with an isotopic element satisfying a relation of ¹⁰B/(¹⁰B +¹¹B)≦30%. said boron being present in the form of a boron compound which is 300 μm or below in size. The alloy is obtained by melting at a temperature in excess of 950° C. and cast at a temperature in the range of 800° C. to 950° C., in such a way that the molten metal is kept for 60–180° seconds until it cools from 950° C. to the casting temperature.

The invention provides a lithium ion battery cathode, the cathode comprises a current collector and a cathode material layer positioned on the surface of the current collector, wherein the cathode material layer is a copper stibium alloy electroplated layer, the thickness of the copper stibium alloy electroplated layer is 5-40 mum, the weight content of copper in the copper stibium alloy is 35%-65%. The invention also provides a method for preparing the lithium ion battery cathode by depositing the copper stibium alloy on the current collector through an electroplating method. The invention also provides a battery which takes the cathode as the lithium ion battery cathode. The lithium ion battery cathode of the invention has the advantages of excellent conductive performance, cycle performance and heavy current charge and discharge performance, the plated layer and the current collector base material enable strong bonding force, the cathode material on the surface of the current collector possesses a stable structure. The electroplating method used by the invention is capable of accurately regulating and controlling the thickness and component of the copper stibium alloy electroplated layer on the current collector in certain extent, all the steps are carried out under normal temperature, the reaction time is short and the energy consumption is low.

The invention discloses a boron-phosphorus alloy cast iron used for the cylinder body of an air compressor and a manufacturing process thereof. : Fe 94; C 3-4; Si 2-3; Mn 0.5-1.0; P 0.1-0.5; S 0.05-0.1; B 0.03-0.05. The manufacturing process of the present invention is: raw and auxiliary materials-pig iron, scrap steel-electric furnace smelting-tapping inoculation, inoculation with flow-filtering casting-finished cylinder body. The invention is suitable for making cylinder blocks of air compressors.

A low-noise horizontal chemical shielding pump comprises a base, a pump body and a shielding motor, wherein the pump body and the shielding motor are transversely integrally mounted on the base. The front end and the rear end of a rotor shaft are respectively connected with a shaft sleeve and a bearing bush. A plurality of vertical grooves are arranged on the inner wall of the bearing bush, spiral grooves are connected among the vertical grooves, a plurality of radial through grooves arranged on one end face of the bearing bush are communicated with the vertical grooves, and a nickel-based alloy layer is arranged on the outer surface of the shaft sleeve. A medium generating pressure through the electric pump is filtered by a filter screen from an output of the pump body and then flows into the motor to be cooled through a circulating pipe, and noise is reduced effectively. The spiral grooves and the straight grooves are designed on the inner surface of the bearing bush, the nickel-based alloy layer is welded on the contact surface between the shaft sleeve and a thrust plate and the bearing bush in a sprayed manner and is matched with the bearing bush to be sufficiently lubricated and cooled by the medium, and correspondingly, the service lives of the shaft sleeve, the bearing bush and the thrust plate are prolonged.

The invention relates to a shape memory alloy pipe connection device which aims at solving the technical problem that an existing pipe connection technology and product cannot be applied to a high-temperature and high-pressure environment simultaneously. In order to solve the technical problem, the shape memory alloy pipe connection device is adopted and comprises a pair of semicircular hoops buckled to the pipe ends of a pipe, shape memory alloy short pipes arranged in cavity bodies of the hoops and a metal pipe, and the end of the metal pipe is provided with more than one annular groove. The two ends of each hoop are each provided with two or more bolt holes for fixation, and the two sides of the attachment face of the hoops are each provided with more than one annular groove structure. The shape memory alloy short pipes and in large interference amount fit with the connected metal pipe through an shape memory effect, sealing connection is achieved, and the characteristics of being high in connection strength, good in sealing performance, resistant to corrosion, resistant to high temperature (larger than or equal to 300 DEG C) and resistant to high pressure (larger than or equal to 63 MPa) are achieved; and as the hoops are designed, and inner cavities of the hoops are in tight fit with the shape memory alloy short pipes, it is promoted that the better effect of sealing with the metal pipe can still be kept when shapes of the shape memory alloy short pipes are changed.

The invention provides an automatic control device and an automatic control system for a casement aluminum alloy window, which belong to the field of daily life. The automatic control device includes: a position sensor used to detect whether the current home window is in a closed state, and used to control the opening and closing of the window The execution module, the information interaction module for environmental weather conditions and time detection, the core control module for interacting with the external weather and time according to the current position sensor, the core control module controls the execution module when it reaches the set time and when it rains suddenly Proceed to close the windows. The automatic control system provided by the present invention includes an automatic control device and a remote user module. The remote user module can allow the user to control the execution module to open or close the window in real time, and feedback the weather conditions of the current user's residence and the next 24 hours so that the user can reasonably Select the time to open the window for ventilation. The solution provided by the invention can prevent rain, ventilate and avoid refitting windows.