75results about How to "Good partition effect" patented technology

The invention provides a silicon on insulator structure and a semiconductor device structure. The silicon on insulator structure comprises a first silicon layer, a first buried oxide layer formed on the first silicon layer, a second silicon layer formed on the first buried oxide layer, a second buried oxide layer formed on the second silicon layer, and a third silicon layer formed on the second buried oxide layer. By adopting the silicon on insulator structure, a double gate transistor structure can be utilized, and the stray capacitance between the semiconductor device which is arranged on the silicon on insulator structure and a substrate is effectively reduced.

A high-isolation full-degradable non-toxic aluminized plastic film as the packing material of food and medicine is prepared from plastic starch, degradable polycaprolactone, low-molecular polyhexane wax and degradable mother particles of pigment through proportional mixing, extruding out, making mother particles, extruding out, stretching to obtain film, coating with a layer of silica oil with 5-10 microns of thickness, and spraying aluminium layer with nano-class thickness.

The present invention relates to a core material for a vacuum insulation panel and a manufacturing method for same, and comprises the following steps: (a) preparing an inorganic binder solution; (b) dipping glass wool into the inorganic binder solution; (c) loading the glass wool onto the upper portion of a chamber; (d) creating a vacuum inside the chamber in order to discharge the inorganic binder solution into the chamber; and (e) drying the glass wool and molding it into the form of the core material for manufacturing a vacuum insulation panel, thus enhancing the long-term durability of the vacuum insulation panel.

The invention discloses a box type prestress concrete light composite slab and belongs to the field of building components. The box type prestress concrete light composite slab is composed of an upper cast-in-place concrete slab and a lower reinforced concrete prefabricated slab. A reinforced concrete bottom layer of the lower reinforced concrete prefabricated slab is composed of a rebar framework and pouring concrete. The rebar framework is composed of prestress rebar and common rebar. Common transverse rebar is distributed on the lower layer. Longitudinal rebar is arranged on the two sides. Prestress steel is longitudinally arranged on the transverse common rebar. A soft filling core layer is composed of light filling core blocks which are transversally spaced and transverse concrete ribs and is arranged on the surface of the reinforced concrete bottom layer. A closed lower reinforced concrete prefabricated slab is formed by pouring concrete on the periphery and the top face of the light filling core. The box type prestress concrete light composite slab is formed after the upper cast-on-site concrete slab is poured on the surface of the lower reinforced concrete prefabricated slab. The box type prestress concrete light composite slab is reduced in self-weight, improves structural integrity and the overall earthquake resistance, and can meet the requirements of large-span buildings.

The invention provides a polyurethane sound insulation board for automobile parts. The sound insulation board comprises a cellular board, wherein cellular cavities of the cellular board are filled with a sound absorption material; the upper and lower side faces of the cellular board are both covered with glass fiber felt; the cellular board covered with the glass fiber felt is foamed in a polyurethane spraying mold to form a sealed baseplate; the outer surface of the baseplate can be coated with an outer layer according to different demands of customers. According to the polyurethane sound insulation board for an automobile trunk, the sound absorption material is embedded into the cellular space of the cellular aluminum board, the space is fully utilized, and the acoustic effect is greatlyimproved. Pre-embedding of the sound absorption material solves the problem of poor acoustic performance of cover plates under the condition of not changing the structural strength and bearing performance of a product, is particularly suitable for solving the problem of low-frequency noise of a motor of an electric vehicle, and can be well improved in new products.

The invention discloses a vacuum isolating valve, which comprises a driving rod, a sealing plate, a driving mechanism, and a moving direction limit mechanism, wherein the front end of the driving rod is arranged in an inner cavity of a valve body in a sliding way; the sealing plate is provided with a sealing face with a sealing medium, arranged in the inner cavity of the valve body, and can be combined or separated from the inner wall on the periphery of a port formed at an inner end of a vacuum channel in the inner cavity of the valve body to enclose or open the vacuum channel; the driving mechanism is arranged between the driving rod and the sealing plate, and is used for driving the sealing plate to be close to or far from the port; and the moving direction limit mechanism is arranged between the valve body and the sealing plate, and is used for guiding a moving part of the sealing plate close to the inner wall on the periphery of the port to move along the direction vertical to the inner wall on the periphery of the port so as to limit the relative sliding between the sealing face and the inner wall on the periphery of the port. The vacuum isolating valve adopts the moving direction limit mechanism to effectively avoid friction displacement between sealing elements in the isolating or opening, reduce abrasion, and stop scratches; and the driving rod has high rigidity, is not bent, and is durable to effectively reduce maintenance cost and ensure the performance and safety of an electric mirror.

Provided is an electrode structure for a vacuum circuit breaker, wherein dielectric breakdown on an outer circumferential section of a contact base arranged at the rear of a contact board is eliminated and interruption performance is further improved. A contact board (11) and a contact base (12) for generating vertical magnetic field are formed of a copper-based alloy, such as a copper-chromium alloy, and on an outer circumferential section of the contact base (12) for generating vertical magnetic field, an outer circumferential section film (17) is arranged by plasma irradiation of chrome, i.e., a high-resistance conductor having a melting point higher than that of the contact board (11).

The invention discloses lamplight shoes. Each lamplight shoe comprises a sole body and an upper connected to the sole body, wherein the sole body comprises a midsole, a light-emitting module, a shelland a bottom sole, the surface, in contact with the ground, of the sole body is the bottom sole, the other opposite surface of the sole body is the midsole, the light-emitting module is arranged in the midsole, the upper surface of the shell is connected with the midsole in an attached manner, the lower surface of the shell is connected with the bottom sole in an attached manner, the midsole is provided with a first groove used for being attached to the shell, a storage groove used for storing the light-emitting module and the first groove used for being attached to the shell from top to bottom, the storage groove comprises a second groove used for embedding the light-emitting module and a third groove used for embedding a light bar of the light-emitting module, and the light-emitting module comprises a control box and the light bar electrically connected with the control box. By adopting an installation module, the better partition property is achieved, the influence of a shoe cavityon a charged module can be eliminated, the distance between a lamp bead and the shell can be increased and is kept controllable, and the lamplight effect is better and more controllable.

The invention relates to a friction sheet structure for improving brake noise, and belongs to the technical field of auto parts. The friction sheet structure comprises a friction sheet body of which the side face is fixedly provided with a silencing sheet in a fitting way, another side face, opposite to the silencing sheet, on the friction sheet body is provided with a chute, and two ends of the friction sheet body are provided with chamfers which are mutually symmetrical. According to the friction sheet structure, the structure is simple; by changing the inherent frequency of the friction sheet, the noise can be better insulated, low frequency noise is reduced, the braking performance can not be influenced, and the noise reduction effect is obvious.

The invention discloses a method for compounding two types of copper alloy on a plunger pump cylinder blank. The method includes the following steps: 1 cleaning the surface to be cast and conducting activation and forming a diversion groove (4) in the bottom of a blank (1); 2 preheating; 3 melting a first type of copper alloy and pouring the first type of copper alloy into a cylinder hole (2) of the blank (1); 4 standing in a thermal insulation mode, placing a partition plate (6) and adjusting a temperature control device to enable the temperature at the lower end of the blank (1) in a furnace to be 5-15 DEG C lower than that of the upper end; 5 placing a second type of copper alloy in the spherical recessed face (3) of the blank (1), melting the second type of copper alloy and standing in a thermal insulation mode after the copper alloy is completely molten; 6 cooling and discharging. By means of the method, different copper alloys can be compounded on two different working faces of a plunger pump cylinder, the performance of the plunger pump is improved, and the service life is prolonged.