108results about How to "Good contact" patented technology

A method for ablation in which a portion of atrial tissue around the pulmonary veins of the heart is ablated by a first elongated ablation component and a second elongated ablation component movable relative to the first ablation component and having means for magnetically attracting the first and second components toward one another. The magnetic means draw the first and second components toward one another to compress the atrial tissue therebetween, along the length of the first and second components and thereby position the device for ablation of the tissue.

Disclosed is a method of controlling an applicator coupling skin heating energy to the skin. The skin heating energy is applied to the skin as a function of electrode-to-skin coupling quality. In cases where only partial electrode-to-skin contact is detected the skin heating energy is adjusted accordingly. Disclosed is also an apparatus for implementing this method.

A temporary crown, and variants thereof, including temporary bite caps and temporary facings, comprised of a shaped provisional (crown forms, onlays, veneers and variants thereof) and a resin filler; and a kit of provisionals, resin and auxiliary materials. The provisional has at least a partial bite layer that is integral with two opposing neighbor walls, a lingual wall and a buccal wall which, together, define a cavity to accept a tooth stub, the resin filler and optionally, a temporary adhesive. The resin filler is initially plastic and fills a void between the provisional and the tooth stub. The provisional and resin filler are selected for compatibility and cooperative curability such that following a suitable curing step, the inner layer of the provisional and the resin filler are substantially bound to and integral with one another. The provisional may have apertures through the bite layer and slits through the neighbor walls. The apertures are located in the vicinity of the cusp tips in temporaries for molars and bicuspids and in the vicinity of the junction of the lingual and incisal planes on the lingual surface in temporaries for canines and incisors. A temporary bridge can be formed in situ from a plurality of temporaries.

To provide a thin-film transistor device for good source-drain contact and capacitance stabilization of a holding capacitor part, reduction of leakage between source and drain, improvement of withstand voltage of a gate insulating film, and reduction of contact resistance A manufacturing method thereof, and a display device having a thin film transistor device. The thin film transistor device of the present invention is characterized in that it has: a semiconductor layer having a source region, a drain region, and a channel region formed in a predetermined region on a substrate; a metal film formed on the semiconductor layer; a gate insulating film on and on the semiconductor layer; a gate electrode; an interlayer insulating film; and a wiring electrode, wherein a metal film is formed at least in a region to be a bottom of a contact hole on a source region and a drain region of the semiconductor layer, The film thickness of the semiconductor layer in the region where the metal film is not formed is thinner than the film thickness of the semiconductor layer where the metal film is formed.

Rapidly dispersing solid dry therapeutic dosage form comprised of a water insoluble compound existing as a nanometer or micrometer particulate solid which is surface stabilized by the presence of at least one phospholipid, the particulate solid being dispersed throughout a bulking matrix. When the dosage form is introduced into an aqueous environment the bulking matrix is substantially completely dissolves within less than 2 minutes thereby releasing the water insoluble particulate solid in an unaggregated and / or unagglomerated state. The matrix is composed of a water insoluble substance or therapeutically useful water insoluble or poorly water soluble compound, a phospholipid and optionally also at least one non-ionic, anionic, cationic or amphipathic surfactant, together with a matrix or bulking agent and if needed a release agent. The volume weighted mean particle size of the water insoluble particle is 5 micrometers or less.

This patent discloses an improved multi-pin electrical connector for use in wet environments. Multi-pin connectors are widely used. In some uses, the connectors may be exposed to water. The improved connector keeps external water from entering the connector and isolates any water inside the connector. A number of improvements are disclosed, including seals for the pins, seals for the wires exiting the back of the connector, and bonding internal insulator materials. The invention also incorporates an improved female receptacle design that provides a better male-to-female connection, thus improving performance of the connector. The multi-pin connector disclosed is suitable for use in almost any wet environment.

An electrical connector with an electrically insulating elastic body is disclosed, comprising an electrically insulating elastic body and a multiple of electrical pieces inclinedly disposed in the electrically insulating elastic body. When the electrical connector is compressively contacted with external electronic devices, the electrical pieces will undergo rotating displacement; when the external electronic devices retreat from the compressive contact, the electrically insulating elastic body will push the electrical pieces back to their original positions. Compared with conventional prior art, the electrical piece of the electrical connector according to present invention can undergo rotating displacement to enable the electrical pieces to have larger elastic deformation, such that good contact can be ensured when the flatness of the connected electronic devices is poor and larger normal force on the electrical pieces can be obtained.

The invention provides a nested high-reliability contact rotation system and a combined system and a method thereof. A single motion contacting body, multiple motion contacting bodies or multiple motion contacting bodies contacting one another as a whole is / are in contact with a first contacted body and a second contacted body under a force applied by a motion contacting body force applying mechanism. Motion contacting bodies like ball-shaped contacting bodies ensure that rotating bodies rotate relatively through gap-free contact, and make rotating bodies free of gap jump. The ball-shaped contacting bodies ensure that rotating bodies are not affected by relative rotation wear of the contact surfaces and are always in contact through motion following, ensure contact, and can be used for conducting. Multiple fulcrums can be obtained through multiple ball-shaped contacting bodies, so rotating bodies are aligned stably and rotate smoothly. Rotating bodies do not produce axial endplay under the condition of no radial run-out. Controlled movable contact can be easily realized.

The invention discloses a sulfonated carbonaceous solid acid catalyst as well as a preparation method and application thereof to a microcrystalline cellulose hydrolysis process. The density of a sulfonic acid group on the surface of the catalyst is 0.30 to 0.80mmol / g and the density of an oxygen-containing group is 1.00 to 2.50mmol / g; the density ratio of the sulfonic acid group to the oxygen-containing group is controlled to be from (1 to 1.25) to (1 to 8.33). The catalyst has high hydrolysis efficiency and a preparation technology is simple and is suitable for large-scale production.

The invention discloses a doping dye sensitized solar cell photo anode, preparation method and application thereof, wherein the doping dye sensitized solar cell photo anode is divided into three layers in structure; the first layer is a common glass; the second layer is a SnO2 transparent conductive film doped with F; the third layer is a nanocrystalline porous composite film formed by doping the nano particle with mesoporous semiconductor at wide band with nanocrystalline semiconductor particles, wherein dyes are attached on the nanocrystalline porous composite film. The doping dye sensitized solar cell photo anode is used in doping dye sensitized solar cells. The doping dye sensitized solar cell photo anode of the invention can improve the photoelectric conversion performance of cells and increase the photoelectric conversion efficiency of solar cells well, and has the advantages of simple preparing technology, good repeatability and low cost; the doping dye sensitized solar cell photo anode not only can be used in dye sensitized solar cell materials, but also can be used in the fields of photocatalysis, gas sensitive material and the like.

The invention discloses a scrap preheater of an electric-arc furnace step disturbance culvert. The scrap preheater comprises a heat-exchanging culvert, the low side of the heat-exchanging culvert is connected with a furnace, the high side of the heat-exchanging culvert is respectively connected with a smoke-collecting and dust-removing pipe and a feed sealing device, the heat-exchanging culvert comprises a material- conveying groove and a smoke guide cover, the material-conveying groove is used for conveying steel scrap materials to the electric-arc furnace, the smoke guide cover is covered on the material- conveying groove and is used for guiding smoke, the heat-exchanging culvert is provided with at least one cross-section abrupt change structure in the height-extending direction, and the cross-section abrupt change structure is used for disturbing the steel scrap material flow state and the smoke flow state. The invention further discloses a preheating method of the electric-arc furnace step disturbance culvert, and the steel scrap materials can be added to the material-conveying groove by the feed sealing device; the steel scrap material flow state is disturbed under the combined action of the cross-section abrupt change structure on the heat-exchanging culvert and horizontal vibration, so that the steel scrap materials have air permeability in a certain area; and the smoke flow state can be disturbed in the smoke guide cover, so that the smoke and the steel scrap materials can be subjected to heat exchanging fully.

The embodiment of the invention provides a cavity filter and a manufacturing method thereof. The cavity filter comprises a cavity, a cover plate and a resonance rod, wherein the cover plate seals the cavity; the resonance rod serving as an insert is cast together with the cavity or the cover plate without installing screws, so the cavity filter is efficient and time-saving and has low cost; and the resonance rod is well contacted with the cavity or the cover plate, so the communication index of the cavity filter is greatly optimized. Because the resonance rod is in an insert module form, the resonance rod and the cavity can be made of different materials, and the materials can be selected according to the signal transduction property, mechanical strength, cost and the like of the materials.

A positioning method for balloon coating by which the thickness and morphological form of a drug in a coating formed on a balloon can be suitably set. This method is a positioning method for balloon coating for forming a coating layer containing a water-insoluble drug on an outer surface of a balloon of a balloon catheter. The positioning method includes a positioning step in which a dispensing tube is moved, from a state of non-contact with the balloon, in a direction intersecting the extending direction of the dispensing tube, and an opening portion-formed end portion side of the dispensing tube formed at its end portion with an opening portion for discharging a coating solution is thereby placed in contact with the outer surface of the balloon.

A wafer structure and a method for fabricating the same are provided. The wafer structure comprises a substrate, a redistribution structure, a passivation layer, an under bump metallurgy (UBM) layer and a bump. The substrate has a solder pad. The redistribution structure is formed on the substrate and comprises a copper pillar electrically connected to the solder pad. The passivation layer is formed on the redistribution structure and has an aperture to expose the copper pillar. The UBM layer is formed in the aperture and disposed on the copper pillar. The bump is formed on the UBM layer.

The invention provides an electric kettle. The electric kettle comprises a kettle body, a base for bearing the kettle body, an upper coupler and a lower coupler. The upper coupler is arranged on the kettle body, and the lower coupler is arranged on the base. The electric kettle further comprises an elastic mechanism used for driving the upper coupler and / or the lower coupler to move in a matched mode to form electrical coupling. The kettle body comprises a bottom cover and a bottom cover outer shell surrounding the bottom cover, the upper coupler is arranged on the bottom cover, the bottom cover outer shell is provided with the elastic mechanism used for driving the bottom cover outer shell to make elastic contact with the base. By the adoption of the technical scheme, the elasticity principle is utilized, the bottom cover of the kettle body is provided with the elastic mechanism to drive the upper coupler and the lower coupler to move oppositely, the size compensation needed by the electrical coupler cooperation is achieved, the electrical couplers can make contact with each other well, and the electrical couplers are small in size and easy to machine and install.

The invention belongs to the technical field of calcium carbonate technologies, and discloses papermaking modified calcium carbonate. The papermaking modified calcium carbonate mainly comprises, by weight, 100-200 parts of light calcium carbonate, 10-15 parts of bamboo pulp fibers, 30-40 parts of cationic starch, 1-3 parts of sodium stearate, 0.01-0.05 part of sodium polyacrylate, 1-3 parts of bentonite, 0.1-0.8 part of chitosan, 0.01-0.05 part of hardening agents, 0.2-0.8 part of antioxidants, 0.5-1.5 parts of dispersing agents and 0.5-1.5 parts of coupling agents. The invention further provides a method for preparing the papermaking modified calcium carbonate. The papermaking modified calcium carbonate and the method have the advantages that the papermaking modified calcium carbonate can be uniformly dispersed and is high in retention and tear-resistant strength and good in suspension stability; the method includes simple processes, is safe and reliable and is easy to control, convenient to implement, suitable for large-scale production and low in production cost, and the like.

The invention discloses a planar transformer and a manufacturing method thereof. The planar transformer includes a PCB coil, magnetic cores, an alpha coil and terminals. The PCB coil contains multiplewindings which are printed on a PCB in a layered manner. The alpha coil is wound on the PCB coil by an alpha winding method, and then, a PCB coil assembly is obtained by injection molding. A first magnetic core and a second magnetic core are connected together with the PCB coil assembly through epoxy resin glue. The planar transformer adopts an alpha winding method and an injection molding processing method, has good consistency and high reliability, meets any safety requirement, and is suitable for the field of power supplies with high withstand voltage.

The invention relates to a portable ground wire connection device for a substation and a use method. Insulating rods are raised with two hands, clamping and embedding parts are hooked on an alternating current phase line of a substation line, the insulating rods are downwards pulled, the alternating current phase line is clamped in two elastic pieces of the clamping and embedding parts to be contacted with sharp teeth, the insulating rods are downwards pulled, connectors II are separated from connectors I, the clamping and embedding parts of the connectors II are firmly suspended on the alternating current phase line of the substation line, ground wire connection can be completed, and overhaul or detection work is performed; when a ground wire is removed, the insulating rods are raised with two hands, the connectors I on the insulating rods are attracted with connectors together, the insulating rods are upwards raised, and the alternating current phase line is separated from the clamping and embedding parts. The portable ground wire connection device is simple in structure and convenient to use and carry, can be used no matter whether oxidation layers exist on the line and whether the line is covered with ice, good contact of a bus with the ground wire of the line can be ensured, sudden electricity supply and static electricity supply due to induction can be prevented, and personal safety of workers on power failure equipment and the line is guaranteed.

Metal aluminides are formed by an initial thermal deposition process which forms an intermediary material comprising elemental aluminum and another elemental metal, as well as an oxide of the other metal. The thermally formed intermediary material is subsequently heated to initiate an exothermic reaction which forms the metal aluminide material. The reaction may be initiated by localized or bulk heating of the intermediary material, and may involve reaction between the aluminum and elemental metal as well as a thermite reaction between the aluminum and the metal oxide. The resultant metal aluminide material may be substantially fully dense and may contain oxide strengthening precipitates such as aluminum oxide.

An electronic package includes a flat base having a notch formed at opposite ends of the base. A clamping mechanism has a boss adapted to the notch for matingly connecting to the base, and includes an aperture for receiving a fastener for securing the package to a substrate or heat sink.

Rapidly dispersing solid dry therapeutic dosage form comprised of a water insoluble compound existing as a nanometer or micrometer particulate solid which is surface stabilized by the presence of at least one phospholipid, the particulate solid being dispersed throughout a bulking matrix. When the dosage form is introduced into an aqueous environment the bulking matrix is substantially completely dissolves within less than 2 minutes thereby releasing the water insoluble particulate solid in an unaggregated and / or unagglomerated state. The matrix is composed of a water insoluble substance or therapeutically useful water insoluble or poorly water soluble compound, a phospholipid and optionally also at least one non-ionic, anionic, cationic, or amphipathic surfactant, together with a matrix or bulking agent and if needed a release agent. The volume weighted mean particle size of the water insoluble particle is 5 micrometers or less.

The invention discloses a plaster for preventing forestry pests poplar longicorn and relates to the field of pesticide and preparations thereof. A plaster for preventing poplar longicorn is prepared from the following raw materials in percentage by weight: 1-10% of chlorantraniliprole and 1-50% of acephate, and the remaining is assistant. The poplar bark is removed by spiral ringing from top to bottom on a poplar trunk with the vertical distance of 0.3-1.8m from the root to form a spiral groove which is 2-20cm in width. The depth of the spiral groove is from the poplar surface to a phloem thereof. The plaster is uniformly coated at the spiral groove. By being coated at the peeled bark, the plaster provided by the invention is good in adhesive force and persistence, simply and conveniently applied, thereby improving the medicament utilization ratio and reducing the environmental pollution. As the medicament can be sucked into plants through epidermis and the plaster provided by the invention has certain contact action, the pests can be prevented from crawling up and down on the trunk so as to greatly reduce harm to the plants.

The invention discloses a sand carving processing method of a precision screen printing plate. The sand carving processing method comprises the following steps: placing a metallic screen mesh stretched by a stretching mesh into sand carving equipment, and adding sand carving particles in the sand carving equipment; ejecting the sand carving particles under pressure by the sand carving equipment, coarsening the surface of the metallic screen mesh, and ejecting for 30-300 seconds so as to obtain the precision screen printing plate through sand carving processing. Through the manner, according to the sand carving processing method of the precision screen printing plate provided by the invention, the surface of the metallic screen mesh can be coarsened, the adhesive force of the surface of the screen mesh is increased, good contact between the screen mesh and a photosensitive layer in the subsequent coating working procedure is ensured, uniformly and densely distributed frosted pits are formed in the surface of the screen mesh after the sand carving processing, the effect of mirror reflection for original metallic material cannot appear, and the phenomena of scattering and reflection conditions of light during plate burning process are reduced, so that the images are clear during the subsequent plate burning process, the definition and tangent performances of lines are good, and the transfer amount of printing oil ink is increased.

This patent application was conceived to eliminate definitively in orthodontic treatment, the need for both dental extractions and the use of accessory devices and / or removable orthopedic braces during treatment for the correction of various types of malocclusions. For this, the application described herein unites the tooth movement and functional orthopedic effects in jaws, and wherein the interrelation with the oral musculature caused by a muscle activation bar (10) and a sliding door (2) with greater surface contact with the orthodontic wire (15).The application proposed further presents a base with conical channels (14) with trapezoidal profile of mechanical withhold that provides increased bond strength to dental enamel, and eases the removal, without causing damage to the tooth enamel.

Rapidly dispersing solid dry therapeutic dosage form comprised of a water insoluble compound existing as a nanometer or micrometer particulate solid which is surface stabilized by the presence of at least one phospholipid, the particulate solid being dispersed throughout a bulking matrix. When the dosage form is introduced into an aqueous environment the bulking matrix is substantially completely dissolves within less than 2 minutes thereby releasing the water insoluble particulate solid in an unaggregated and / or unagglomerated state. The matrix is composed of a water insoluble substance or therapeutically useful water insoluble or poorly water soluble compound, a phospholipid and optionally also at least one non-ionic, anionic, cationic, or amphipathic surfactant, together with a matrix or bulking agent and if needed a release agent. The volume weighted mean particle size of the water insoluble particle is 5 micrometers or less.

The invention provides a fan-out type package structure and a preparation method thereof. The fan-out type package structure comprises a rewiring layer, a semiconductor chip arranged on a first surface of the rewiring layer, a die-attach film arranged on the back surface of the semiconductor chip, a plastic package material layer arranged on the first surface of the rewiring layer, and a solder bump arranged on a second surface of the rewiring layer. According to the fan-out type package structure, the back surface of the semiconductor chip is provided with the die-attach film, and in the preparation process, the semiconductor chip is mounted on the upper surface of a substrate with the right face up through the die-attach film, so that the binding force between the semiconductor chip and the substrate is increased greatly, and the semiconductor chip can be firmly attached onto the upper surface of the substrate; and it is ensured that the semiconductor chip does not shift in the follow-up preparation processes of plastic package and the like, the semiconductor chip and the rewiring layer are in good contact, and thus performance of the fan-out type package structure can be ensured.

This invention relates to a surface furring method of a special electrical element, in addition to a printed circuit board made by the method, characterized in that it daubs some glue in the point where needs to stick the special electrical element, preventing the worse welding because of gravity function of the electrical element, which increases the reliability of the welding between the special electrical element and the print circuit board.

The invention provides an SE solar cell and a manufacturing method thereof. The method comprises the following steps of (S1) providing a first class semiconductor substrate and carrying out acid texture surface making to form a honeycomb suede-like structure; (S2) forming a layer of mask on the honeycomb suede-like structure, wherein the mask covers an upper electrode printing area; (S3) then carrying out alkali texture surface making on the first class semiconductor substrate to form a pyramid suede-like structure on the uncovered area of the mask; (S4) removing the mask; (S5) carrying out whole-surface second class light doping on the first class semiconductor substrate; (S6) then carrying out second class heavy doping on the upper electrode printing area of the first class semiconductor substrate; (S7) finally carrying out edge etching, cleaning, antireflection film sedimenting, upper electrode and lower electrode forming and testing, and completing the manufacturing of the SE solar cell. According to the SE solar cell and the manufacturing method thereof, the honeycomb / pyramid composite suede-like structures are adopted, contact resistance can be reduced, light absorption can be improved at the same time, and thus the solar cell is high in efficiency.

The invention discloses a capacitor pluggable connection device. The device is used for realizing fast connection between a capacitor connection wire of a capacitor and an external wire, and comprises a seat body, a terminal and a discharge resistor, wherein a terminal containing nest is arranged on the seat body; an external wire jack is arranged on the terminal containing nest; the terminal is located in the terminal containing nest; the terminal comprises a terminal frame and a spring piece; a left clamp plate and a right clamp plate are arranged on the two sides of the terminal frame respectively, a spring piece clamp piece is arranged at the middle part of the terminal frame, and a capacitor connection wire through hole is arranged at the lower part; the terminal frame is clamped in the terminal containing nest through the left clamp plate and the right clamp plate; the spring piece is S-shaped and is provided with an external wire contact plate and a capacitor connection wire contact plate; the capacitor connection wire contact plate is clamped between the spring piece clamp piece and the right clamp plate; an upper bayonet is arranged on the external wire contact plate; and the external wire contact plate is matched with the left clamp plate. According to the device disclosed by the invention, the contact between the terminal and the external wire is relatively good, and the conduction current is relatively large.