10803 results about "Metal sheet" patented technology

The invention discloses a dipole antenna of an RF chip, comprising two metal sheets, a feeder line and an earth wire, wherein two tabulate metal sheets are mutually parallel and are both provided with short circuit points which are respectively used for connecting the feeder line and the earth wire. The dipole antenna of the RF chip of the invention integrates novel artificial electromagnetic materials, thus the dipole antenna has abundant chromatic dispersion characteristics so as to form various radioactive modes, which not only can avoid fussy impedance matching network, but also can tune by adjusting a feeder line feeding and coupling mode, an earth wire accessing mode, the topological structure of metal microstructure, the position of metalizing through holes as well as the short circuit point position among the feeder line, the earth wire, an upper layer of sheet metal and a lower layer of sheet metal, thus providing great convenience for multiple frequency point impedance matching; meanwhile, the dipole antenna of the invention adopts a chip mode to fully utilize radiating area to approach to the Chu Limit antenna dimension limit principle, the construction of double chips also brings technical advantages for limiting electromagnetic wave and reducing effect on antenna operation by the outside.

A flat no-lead semiconductor die package contains a plurality of studs that protrude from the bottom surface of the capsule and act as electrical contacts, allowing the package to be mounted on a flat surface such as a printed circuit board, while permitting external circuit to be located on the flat surface directly beneath the package. The package may or may not contain a die-attach pad. The die may be mounted flip-chip style on the stud contacts and die-attach pad. A method of fabricating the package includes etching an upper portion of a metal sheet through a mask layer, attaching dice at locations on the surface of the metal sheet, forming a layer of molding compound over the dice, etching the lower portion of the metal sheet through a second mask layer, and separating the packages with a dicing saw or punch tool.

Semiconductor packages including at least two semiconductor dies are disclosed. A first die is mounted on a substrate, which may be a metallized laminate or a leadframe. A rigid support structure is mounted on the substrate over the first die. The support structure may be thermally coupled to the substrate, and also may be electrically coupled to the substrate. A second die is mounted on the support structure, which spaces the second die away from the first die. Encapsulant fills the volume within the support structure, including the vertical space between the pair of dies. In an alternative package embodiment, a heat spreader formed of a flexible metal sheet may be thermally coupled between the two stacked dies. The heat spreader transfers heat from the first and second dies to a heat sink of the substrate. The support structure and the heat spreader mitigate the transfer of heat between the first and second dies.

The invention discloses a monopole radio frequency antenna comprising a metal sheet, a feeder line and a medium for the placement of the metal sheet and the feeder line. The feeder line is fed into the metal sheet through a coupling mode. The monopole radio frequency antenna has the advantages of small size, simple machining, low cost, high utilization rate of an antenna radiation area, easy matching design of a multimode antenna, high interference resisting capability and the like.

It is an object of the present invention to provide an improved orthopedic implant system with satisfied biological, mechanical and morphological compatibilities. Solid metal femoral stem (entirely or partially) and solid metal acetabular head (entirely or partially) are covered with diffusion-bonded foamed-shaped sheet made of commercially pure titanium or titanium alloy(s). The open-cells in said foamed metal sheet are impregnated with biocompatible polymethyl methacrylate resin cement, which is reinforced with selected oxides (e.g., alumina, magnesia, zirconia, or a combination of these oxides) along with an application of a small amount of a metal primer agent.

The present invention relates to metallic sheets having an improved antimicrobial property and also related to a method of manufacturing such sheets. More particularly, it relates to the continuous coating on metallic sheets with a resin composition containing antimicrobial additives. The surface of the metallic article is afforded antimicrobial properties by coating a liquid dispersion or solution of fine particles made of an antimicrobial ingredient on the surface of the metallic sheet dispersed in a uniform layer and cured or dried to affix to the metallic surface. The inorganic antibacterial particles are metal component-supporting oxides and zeolite powders. The inorganic antibacterial core particles have at least a primary surface coating of at least one metal or metal compound having antimicrobial properties. Roll coaters apply the coating. The metallic article generally includes sheet articles made of metals, for example, metallic sheets made of stainless steel, conventional steel sheets and aluminum sheets or plate.

The invention relates to the manufacturing technology of printed wiring board, in particular to a flexible printed circuit (FPC) surface mount technology (SMT) as well as a magnetic tool and a steel mesh which are used for the FPCSMT. The magnetic tool comprises a buckle cover board and a magnetic carrying tray, wherein the magnetic carrying tray is a magnetic baseplate, the buckle cover board is a metal sheet which can be attracted by the magnetic baseplate, and the buckle cover board is provided with a slotted hole used for the solder paste printing and the surface mounting of a FPC. The invention is characterized in that the buckle cover board is a steel sheet which can be attracted by the magnetic baseplate, the step layer which is the same as the buckle cover board in shape is etched on the magnetic carrying tray, the depth of the step layer is the same as the thickness of the steel sheet; before the circuit board printing, the magnetic carrying tray is fixed on a positioning base, and then the FPC and the buckle cover board are arranged on the magnetic carrying tray; after the accurate positioning, the FPC and the magnetic tool are taken down the positioning base to conduct the solder paste printing process, the surface mounting process and the reflow soldering process.

The invention is comprised of a coil group arranging a plurality of terminal-integrated type coils (1), (4) formed by bending a metal sheet in a preset development form and having a predetermined positional relationship, and a magnetic material (7) burying therein the coil group. For example, axes of the plurality of coils (1), (4) constituting the coil group, are arranged in parallel wherein the center point of at least one coil selected from the plurality of coils (1), (4) and the center point of a coil other than the selected coil are in an staggered arrangement. Due to this, an array type choke coil can be realized which is thin overall and operable with a large current in a high frequency band.

The invention belongs to the field of family kitchen electric appliance manufacturing and specifically relates to an air frying pan. The air frying pan is mainly composed of a pan body (1), a liner (2), a frying basket (3) arranged in the liner (2), an electric heating pipe (4) arranged above the frying basket (3) and a fan (5) located above the electric heating pipe (4); the sidewalls of the frying basket (3) are formed by metal sheets and the bottom of the frying basket (3) is formed by a screen; an air flow channel (6) is arranged between the liner (2) and the frying basket (3); the air frying pan is characterized in that the outer periphery of the bottom of the frying basket (3) extends downwards to form a guide cylinder (7) and air inflow inclined holes (8) for guiding airflow to rotate are evenly formed in the sidewall of the guide cylinder (7). The air inflow inclined holes (8) are leftward or rightward slit holes toward the same direction. The air frying pan of such a structure has the advantages that the frying basket is simple in structure, the bottom of the liner is easy to manufacture and easy to clear, and is well supported.

An FPC includes: a base film including a first metal sheet; a first adhesive layer laminated on one of surfaces of the base film; and a conductor pattern bonded by the first adhesive layer; wherein a plurality of planar portions held in a planar shape and bending portions to be bent provided between the planar portions are arranged in a longitudinal direction, and the conductor pattern is covered by a metal support cover film including a second metal sheet and a second adhesive layer at the planar portions and is covered by a solder resist at the bending portions.

An outdoor LED lamp includes an LED lamp and a cover mounted on the LED lamp and covering a heat sink of the LED lamp therein. The LED lamp includes a bracket, the heat sink mounted on a top side of the bracket, and a plurality of LED modules mounted on a bottom surface of the heat sink. The cover is a bended metal sheet. The cover includes a covering portion located over a top of the heat sink and a baffling portion extending slantwise downwardly from an end of the covering portion. Height of the covering portion is decreased from a central portion to opposite lateral portions of the covering portion. Slits are defined in the covering portion. Downwardly opened slots are defined in the baffling portion. The cover is used for preventing snow, leaves or dust from accumulating on the heat sink.

The invention provides water-borne acrylic water-proof heat insulating paint, which belongs to the field of building materials and can be applied to surfaces of building roofs, metal sheets, ceramic tiles, glazed bricks, decorative tiles and other materials. The invention provides the water-borne acrylic type water-proof heat-insulating paint by using copolymer latex which is cool mixed by elastic acrylic copolymer emulsion, VAE emulsion and an organic silicon water-proof material as a base material, and hollow glass beads in low heat conductivity, hollow ceramic beads and other heat insulating materials, titanium powder, zinc oxide, ultrafine mica and other reflecting materials, and corrosion-resistance blanc fixe, wollastonite and the like as pigments. In the paint, the solar reflectivity is more than or equal to 0.83, the semi-sphere reflectivity is more than or equal to 0.85, weather resistance aging time is 100 hours without fading or pulverizing, and water-proof performance, such as water tightness, low temperature flexibility, tensile strength and the like, can achieve II type product index requirement of JC/T864-2008. Besides the function of decorating materials, the paint has the functions of water proofing and heat insulation.

A putter-type golf club head having a face insert comprising a metal sheet and a urethane backing is disclosed herein. The metal sheet, which makes contact with a golf ball during use, includes a plurality of oval-shaped holes extending through the entire thickness of the sheet and having a specific size and spacing, and the urethane backing has a hardness that optimizes performance of the face insert, and thus the putter.

A connecting device with a low height comprises a connector part, and a set of metal terminals. The connector part has a height compatible with the height of an inner space in a standard USB interface slot socket so as to be inserted into the standard USB interface slot socket. The set of metal terminals is arranged on the connector part and composed of a plurality of metal sheets and each metal sheet has an end disposed in the connector part and another end extending outward the connector part. The first end of the respective metal sheet in the set of metal terminals contacts with internal electronic signal of the standard USB interface slot socket and the second end of the respective metal sheet is soldered to a printed circuit board. Furthermore, the low height connecting device can be revised as an electronic connecting device capable of being inserted into the USB slot socket so that both of the connecting devices can be used in a dual interface memory storage apparatus or a memory storage apparatus.

An anode-supported tubular fuel cell stack includes interconnect structures that are oxidation resistant at high temperature, flexible to accommodate thermal expansion stress and to provide strong electrical contact, have low electrical resistance, and are inexpensive and light weight. The interconnect structures may be formed out of metal sheet, which provide improved heat homogeneity throughout the fuel cell stack because of the high thermal conductivity of the metal. The interconnect structures are further shaped to provide resilience or spring-like features to allow movement between the tubular cells. Thus good electrical contact, thermal stress release, and shock absorption are simultaneously achieved.

The present invention relates to a magnetic sheet, a wireless charging sheet, and a method for manufacturing a magnetic sheet. According to an embodiment of the present invention, a magnetic sheet used in a wireless charging sheet, which includes a metal sheet layer consisting of a plurality of divided segments; and an insulating material filled in a dividing space between the segments and forms a magnetic path of a magnetic field generated around a coil, is provided. Further, a wireless charging sheet and a method for manufacturing a magnetic sheet are provided.

Laminated composites such as noise damping sheet metal sandwiches with viscoelastic adhesive cores are strengthened against delamination during forming and made more conductive for welding. Electrically conductive, metal-element containing particles, wires, wire meshes, or the like conductive bonding elements are included in the core material and fused to facing surfaces of the metal sheets to provide many mechanical bonding connections and electrical connections over the bonded area of the composites.

To manufacture a compact and high-performance thin-film piezoelectric bimorph element at low cost, first and second piezoelectric thin films (2, 3) are formed by sputtering on the both surfaces of a metal thin plate (1) which are opposing relation to each other along the thickness thereof, while the respective states of polarizations of the first and second piezoelectric thin films (2, 3) are controlled. A pair of electrode films (5) are formed on the respective surfaces of the first and second piezoelectric thin films (2, 3) opposite to the metal thin plate (1).

To manufacture a rimless eyeglasses without soldering the parts easily and make the assembling easy, a bridge and two joint pieces are provided by cutting or punching a piece of metal sheet into a required flat shape. The bridge comprises a crossbar having two pin-like extensions, two press-fitting extensions and two leg extensions integrally connected to the opposite ends of the crossbar. The pin-like extensions have saw-tooth indentations formed on their surfaces, and the leg extensions end with hooks for fixedly holding nose pads. Each joint piece has a pin-like extension with saw-tooth indentations formed on its surface and a press-fitting extension. Each lens has a through hole and a notch made on either side. Each through hole has a flanged sleeve press-fitted therein, and the pin-like extensions of the bridge and joint pieces are inserted into the flanged sleeves in the through holes of the lenses, and the press-fitting extensions of the bridge and joint pieces are inserted into the notches of the lenses.

A marine oil and gas exploration system used for measuring telluric currents as a natural electromagnetic energy source flowing beneath an ocean and sea floor. The marine exploration system includes a towed fish adapted for being pulled behind a survey ship. The coordinates of the ship and the towed fish can be controlled by a GPS satellite and time data. The fish includes an aerodynamic waterproof housing, somewhat reminiscent of a shape of a fish. Metal sheet electrodes of electric field sensors are mounted on the surface of a tubular nose extending outwardly from the housing. The electric field sensors are in direct contact with the sea water. Typically, the fish is towed approximately 100 feet above the sea floor. The positioning of the fish is maintained by the use of an acoustic “pinger” on the fish. The pinger transmits signals up a towed cable to the survey ship. The fish can also include a cesium magnetometer connected to the electric field sensors. The magnetometer provides for detecting low frequency magnetic components of the electromagnetic fields generated by the telluric currents flowing under the sea floor. A filtering of the magnetic component signals is used to provide a phase and amplitude references for the electric fields. The amplitudes of the electric field at each frequency are ratioed against the amplitudes of similarly filtered components of the magnetometer.

The exemplary embodiments relate to a multilayer aluminum alloy sheet material suitable for fabrication into coolant-conveying tubes, headers and the like used for heat exchangers, and to the tubes and headers, etc., fabricated from the sheet. The multi-layer metal sheet has a core layer of aluminum alloy having first and second sides. The first side has an interlayer made of a Zn-containing aluminum alloy positioned between a Zn-containing outer layer and the core layer. The alloy of the outer layer is more electronegative than the alloy of the interlayer. The alloy of the interlayer is preferably more electronegative than the alloy of the core layer. The first side clad in this way is the side intended for exposure to the coolant, and provides good resistance to corrosion and erosion.

In the fabrication of semiconductor packages, a leadframe is formed by masking and etching a metal sheet from both sides, and a plastic block is formed over a plurality of dice attached to die pads in the leadframe. A laser beam is used to form individual plastic capsules for each package, and a second laser beam is used to singulate the packages by severing the metal conductors, tie bars and rails between the packages. A wide variety of different types of packages, from gull-wing footed packages to leadless packages, with either exposed or isolated die pads, may be fabricated merely by varying the patterns of the openings in the mask layers and the width of the plastic trenches created by the first laser beam.