96results about How to "Eliminate Directionality" patented technology

A multilayer capacitor 10 comprising a dielectric body 12 having an approximately rectangular parallelepiped shape formed by alternately stacking a plurality of dielectric layer 12a, a first conductor layer 21, a second conductor layer 22, a first terminal electrode 31 and a second terminal electrode 32 formed on a first side face 12A of side faces 12 of the dielectric body in parallel to a stacking direction Z. The first conductor layer 21 comprises a first lead portion 21L connected to the first terminal electrode 31, the second conductor layer 22 comprises a second lead portion 22L connected to the second terminal electrode 32. Between a length “a” of the first lead portion 21L and the second lead portion 22L in vertical direction to the stacking direction Z, a length “b” of conductor layers positioned at both ends of the dielectric body 12 in the stacking direction, a space length “c” of the first side face 12A and the first conductor layer 21, a total number of the conductor layers 22, 22, (a+c)/(b×n)≦0.035 is consisted.

In the field of vacuum-assist-resin-transfer-mold (VARTM) processing, a new system is provided to lower production times and to create a high permeability mold cavity with reduced directionality to yield an optimum flow-front. The system comprises the use of a high permeability layer to evacuate air from the mold cavity and may include a reusable port-runner device for introduction of resin into the fiber mat. In the preferred embodiment, the high permeability layer is a “felt-like” material constructed of synthetic fibers, and the reusable port device is a flat, modular unit. In another embodiment, the high permeability layer is a fluid-impervious material with sporadic protrusions, and the reusable port-runner device is a flexible, silicone unit. Other embodiments are comprised of any combination thereof. Each embodiment is designed to minimize set-up times and to create a mold cavity with a low resistance to fluid flow through the application of pressure differentials.

A display device having an indicator interposed between two light controlling elements. The light controlling elements act in cooperation to restrict the viewing angle of the display in at least two directions. Only one of the light collimating elements restricts the angle of ambient light entering the display.

The first electrode has a convexo-concave structure including a plurality of convex portions and a plurality of concave portions at an interface with the organic compound layer. The convexo-concave structure has at least one cross section in a thickness direction of the light-transmissive substrate, the cross section being shaped in a sine-wave curve or a curve represented by a sum of a plurality of sine waves having different amplitudes or angles. A distance between a convex portion and an adjacent convex portion forming the convexo-concave structure is equal to or more than a peak wavelength of light radiated from the emitting layer and is equal to or less than a propagation distance (L_sp) of surface plasmon at the interface between the first electrode having the convexo-concave structure and the organic compound layer.

A hollow golf club head has a head body having a face aperture part and a face member held to the face aperture part by welding, the face member formed by forging a rolled material of a titanium alloy having an α phase, and the face member comprising a thick-material part positioned in the center of the face member, an outer peripheral part positioned at the periphery of the thick-material part, and a thin-material part partially positioned between the thick-material part and the outer peripheral part. The thick-material part is formed in an area having a shape obtained by depressing a substantially elliptical or substantially circular shape in a substantially arcuate shape toward the center of the ellipse at two opposite sides thereof. The thick-material part, the thin-material part, and the peripheral part are formed by the forging so as to destroy an orientation of the α-phase.

A method and apparatus for determining the relative orientation of objects downwell, and especially to determining perforator orientation, involves varying the orientation of an object, such as a perforator gun (302) in the wellbore (202) and activating at least one directional acoustic source (402a-c). Each directional acoustic source is fixed in a predetermined location to the object and transmits an acoustic signal preferentially in a known direction. The directional acoustic sources are activated so as to generate sound in a plurality of different orientations of said object. An optical fiber (104) is interrogated to provide distributed acoustic sensing in the vicinity of the object; and the acoustic signals detected by the optical fiber are analyzed to determine the orientation of the at least one directional acoustic source relative to the optical fiber, for instance by looking at the relative intensity in the different orientations.

A seven-layered laminated composite lumber 1 is constructed by stacking veneers 2, whose oven-dry specific gravity is 0.6 or larger, alternately with veneers 3, whose oven-dry specific gravity is 0.4 or less, and by bonding them together. The invention can thus provide a laminated composite lumber that is light in weight, is substantially resistant to warping and distortion, and yet retains the desired bending strength and nail holding power, and a method of producing such a laminated composite lumber.

A bilateral rotation apparatus including a support member, a first connecting rod hingedly connected to one side of the support member in a longitudinal direction to be rotated along a locus of an arc, a second connecting rod hingedly connected to an opposite side of the support member in the longitudinal direction to be rotated along a locus of an arc, and connecting members disposed on an upper side of the support member is provided. The bilateral rotation apparatus is provided to a panel of furniture to open a wiring cap for wiring operation independently in one direction or in an opposite direction, thereby eliminating restriction on a wiring direction.

A method for improving low-temperature impacting power of 17-4 PH maraging stainless steel forged piece based on organization control is characterized in that due to chemical component optimization, the total content of high-temperature ferrite generated in the steel material smelting process is reduced; then by controlling a reasonable forging and heating temperature, a deformation quantity and adeformation direction, the high-temperature ferrite in the smelting process is broken; long strip shape high-temperature ferrite can be forged in the direction perpendicular to the length direction of the ferrite, and is upset, and the directivity of the ferrite is effectively eliminated; finally, due to two times of solid solution and ageing heat treatment, the fine high-temperature ferrite is further eliminated in the recrystallizing process, and the low temperature impacting power is improved. According to the method, due to the fact that the long strip shape high-temperature ferrite is upset, the directivity of the ferrite is effectively eliminated, the area content of the long strip shape high-temperature ferrite is controlled at 0.6% or below, the low temperature impacting power isremarkably improved, KV2(-40 DEG C) is larger than or equal to 27 J, and the room temperature tensile strength is larger than or equal to 1000 MPa.

The invention discloses an aluminum alloy welding wire and a preparation method thereof. The aluminum alloy welding wire consists of the following components in percentage by weight: 5.5-6% of Mg, 0.1-0.15% of Ti, 0.1-0.3% of Cr, 0.08-0.18% of Mn, 0.05-0.2% of Sc, 0.1-0.18% of Nd, 1-2% of Mo, 1-2% of W, 0.2-0.8% of V, 0.01-0.05% of Bi, 2-5% of Cu, 0.25-0.35% of Zr, 0.1-0.25% of Ag, less than or equal to 0.25% of Si, less than or equal to 0.2% of Fe, less than or equal to 0.20% of Zn, less than or equal to 0.15% of other impurity elements each being less than or equal to 0.05%, and the balance Al. The aluminum alloy welding wire disclosed by the invention is compact in tissue and is smooth in surface; and tensile strength, cracking resistance, wear resistance and corrosion resistance of a welding seam are good.

A system is shown for providing domestic hot water for potable use. The energy source is a steam powered heat exchanger. Water is heated in a heat engine package including the heat exchanger, a temperature operated pump and a condensate control valve. The heat package works in conjunction with a water storage package including a water storage tank and an electronic controller which controls the operation of the pump and condensate control valve. The electronic controller is operated so that the control of steam supplied to the system and flow of water through the heat exchanger ensures that steam is only present in the heat exchanger when there is a predetermined high flow rate of water.

The present invention provides a common mode choke coil which includes a laminated-type coil that has high breakdown voltage reliability. Coil conductors (51, 52) and a coil conductor (55) for a secondary coil are laminated so as to be respectively interposed between, coil conductors for a primary coil, two coil conductors (50, 53) connected to each other by an inner circumferential side via hole conductor (57) and two coil conductors (54, 56) connected by an inner circumferential side via hole conductor (59). Meanwhile, in the primary coil, an outer circumferential side via hole conductor (58) is provided so as to pass through only one insulation layer (40), and accordingly, a length of the outer circumferential side via hole conductor in an axis line direction thereof is reduced. As a result, an amount of conductive material used for the outer circumferential side via hole conductor that diffuses during firing can be reduced, and a drop in a thickness of the insulation layers can be suppressed.

An air-conditioning apparatus 1 for a vehicle has an air supply duct 6 for supplying air and a vent 40 communicating with the air supply duct 6 for blowing the air into a compartment of the vehicle. The direction of the air blown from the vent 40 is adjustable. The air supply duct 6 includes a branch chamber 14, 16 for reducing flow speed of the air flowing through the air supply duct 6 so that the speed-reduced air in the branch chamber 14, 16 is blown from the vent 40.

A method for preparing tungsten-molybdenum alloy by doping beneficial elements comprises the following steps: preparing doped molybdenum powder; preparing doped tungsten powder; and preparing the tungsten-molybdenum alloy through 82-87.5% of doped molybdenum powder, 11-15% of doped tungsten, and 1.5-3.0% of vanadium oxide. The tungsten-molybdenum alloy prepared by the method is outstanding in high-temperature creep resistance and tensile strength, and high in low-temperature strength; after being plastically deformed, lanthanum oxide and praseodymium oxide are dispersed into fine second-phase particles under high temperature and are regularly arranged, so that the strengthening effect can be achieved.

The invention discloses an erbium and ytterbium containing aluminum alloy welding wire which is prepared from the following components in percentage by mass: 2-3.5 percent of Mg, 0.12-0.2 percent of Ti, 0.15-0.3 percent of Cr, 0.08-0.2 percent of Mn, 0.01-0.05 percent of Ce, 0.05-0.15 percent of Te, 0.01-0.1 percent of B, 0.05-0.2 percent of Er, 0.05-0.2 percent of Yb, 0.2-0.5 percent of Zr, 0.05-0.15 percent of Ge, 0.1-0.8 percent of Sn, 0.5-2.5 percent of Mo, 1-3 percent of W, 0.5-1.5 percent of V, 4-5.8 percent of Cu, smaller than or equal to 0.3 percent of Fe plus Si, smaller than or equal to 0.2 percent of Zn, smaller than or equal to 0.05 percent of single content of other purity elements, smaller than or equal to 0.15 percent of total content of other purity elements and the balance of Al.

The invention discloses a medium plate made of duplex stainless steel with excellent low-temperature toughness and a manufacturing method for the medium plate. The duplex stainless steel comprises the following chemical components in weight percentage: 0.01-0.10 percent of C, 0.2-1.0 percent of Si, 2.0-3.5 percent of Mn, 20.0-21.5 percent of Cr, 3.0-3.5 percent of Ni, 0.08-0.15 percent of N, 0.5-1.0 percent of W, 0.01-0.5 percent of Cu, 0.001-0.005 percent of B, 0.05-0.25 percent of V and the balance Fe and unavoidable impurities. The stainless steel is proper in phase proportion and excellent in low-temperature toughness through controlling component proportion. Meanwhile, the length-width ratio of the austenite phase of the stainless steel along the rolling direction is enabled to be less than 3 through a special rolling process, and thus, the stainless steel is prevented from being excessively lengthened along the rolling direction. The duplex stainless steel is excellent in low-temperature toughness along the longitudinal direction and the lateral direction. The longitudinal impact value and the lateral impact value are greater than 220J at the temperature of -40 DEG C, and the longitudinal impact value and the lateral impact value are greater than 200J at the temperature of -80 DEG C. The duplex stainless steel can be widely applied to the field of coasting buildings and petrochemical engineering under the cold condition.

The invention discloses an aluminum alloy welding wire special for a high-speed train and a preparation method thereof. The welding wire comprises, by weight, 5%-6% of Mg, 0.1%-0.18% of Ti, 0.15%-0.28% of Cr, 0.08%-0.15% of Mn, 0.01%-0.05% of La, 0.1%-0.18% of Te, 0.01%-0.05% of Bi, 0.1%-0.2% of Er, 0.05%-0.18% of Yb, 0.2%-0.4% of Zr, 0.1%-0.25% of Ag, 0.5%-1.8% of Sn, 0.5%-2% of Mo, 1%-2.5% of W, 0.5%-1.5% of V, less than or equal to 0.3% of Fe and Si, less than or equal to 0.2% of Zn, less than or equal to 0.05% of the single content of other impurity elements, less than or equal to 0.15% of the total content of the other impurity elements and the balance Al.

An electret loudspeaker device including a diaphragm, a first perforated electrode and a first spacer is provided. The diaphragm has an electret layer and an electrode layer. The first perforated electrode is stacked on a side of the diaphragm near the electret layer, and has multiple holes. The first spacer is stacked between the diaphragm and the first perforated electrode, and includes a first distribution area and plural second distribution areas. The first distribution area has first openings penetrating through the first spacer, and each first opening has a first opening space volume between the diaphragm and the first perforated electrode. Each second distribution area has second openings penetrating through the first spacer, and each second opening has a second opening space volume between the diaphragm and the first perforated electrode. A difference between the first and the second opening space volumes is greater than 10%.

The invention relates to a polymer product (2), preferably a vehicle tyre (10), with two sidewalls (11), wherein on the outer surface (1) of the polymer product (2) there is disposed at least one representation (3), which has a two-dimensional area (4) that is covered by a pattern. The invention is based on the object of providing by simple means a polymer product that has on its outer surface at least one two-dimensional area with a pattern, by means of which a higher-contrast representation with a directionally independent contrast can be achieved, and which can also be produced more reliably. The object is achieved by the pattern being a two-dimensional dot pattern, in that each dot is a three-dimensional element (5), which is formed as an elevation or depression of the surface (1), in that each element (5) has a base area (6) and a peak height (S), in that the pattern has elements (5) with a peak height (S) of 0.10 mm to 0.4 mm, preferably of 0.20 mm to 0.30 mm, and in that the pattern has elements (5) that are at a distance (B) from the respectively nearest neighbour of 0.10 mm to 0.50 mm, preferably 0.15 mm to 0.25 mm, wherein the distances (B) are measured between the geometric centroids of the base areas (6) of the elements (5).

The present invention provides a vertically polarized antenna which comprises three layers of the dielectric plates which are a first layer, a second layer and a third layer. The right end of each layer of dielectric plate has a section of L area extending leftward from the right boundary of the dielectric plate, a stepped substrate integrated waveguide structure whose L area height is higher than that of the left side of the L area is formed by the whole second layer, a first layer L area and a third layer L area together. The length of the L area is L. The vertically polarized antenna comprises the stepped substrate integrated waveguide structure, through using the step transition technology is employed at an E plane, for E plane discontinuities, the transition of the E plane is carried out directly, the antenna standing wave is greatly improved, the efficiency is high, the size is only changed for several millimeters, according to the E plane transition structure, the antenna E plane directivity can be improved, at the same time through laying electromagnetic band gap structures at upper and lower surfaces, in the condition of not enlarging the antenna size, the backward radiation is greatly inhibited, and the antenna E plane directivity is further improved.