78results about How to "Improve insulation life" patented technology

A semiconductor integrated circuit device, includes a first electrode including a first semiconductor layer formed on a substrate, a side surface insulating film formed on at least a part of a side surface of the first electrode, an upper surface insulating film formed on the first electrode and the side surface insulating film, a second electrode which covers the side surface insulating film and the upper surface insulating film, and a fin-type field effect transistor. The first electrode, the side surface insulating film, and the second electrode constitute a capacitor element. A thickness of the upper surface insulating film between the first electrode and the second electrode is larger than a thickness of the side surface insulating film between the first electrode and the second electrode, and the fin-type field effect transistor includes a second semiconductor layer which protrudes with respect to the plane of the substrate.

Provided is an insulating film which has excellent heat resistance, excellent discharge deterioration resistance and long insulation life. An insulating film of the present invention contains a heat-resistant resin and fine insulating particles that are dispersed in the heat-resistant resin. The inscribed circles of regions that do not contain the fine insulating particles have an average diameter of 80-900 nm.

A semiconductor integrated circuit device, includes a first electrode including a first semiconductor layer formed on a substrate, a side surface insulating film formed on at least a part of a side surface of the first electrode, an upper surface insulating film formed on the first electrode and the side surface insulating film, a second electrode which covers the side surface insulating film and the upper surface insulating film, and a fin-type field effect transistor. The first electrode, the side surface insulating film, and the second electrode constitute a capacitor element. A thickness of the upper surface insulating film between the first electrode and the second electrode is larger than a thickness of the side surface insulating film between the first electrode and the second electrode, and the fin-type field effect transistor includes a second semiconductor layer which protrudes with respect to the plane of the substrate.

The invention relates to corona-resistant and high-frequency-impulse-resistant high-breathability little-rein mica tape which comprises a mica paper layer, a reinforcing material layer and an adhesion agent layer. The adhesion agent layer is formed by powder adhesion agents which are distributed in a dotted mode, and a large number of pore channels exist among the powder adhesion agents which are distributed in the dotted mode. The mica paper layer is formed by nano-modified mica paper, and the content of nanometer materials in the nano-modified mica paper is 20-100g / m<2>. The powder adhesion agents are nano-modified powder resin adhesion agents with the particle size ranging from 60 to 150 meshes and the melting temperature ranging from 60 to 160 DEG C, the content of nanometer materials in the nano-modified powder resin adhesion agents is 20wt%-50wt%, and the content of nanometer materials in the adhesion agent layer is 4-20g / m<2>. The mica tape is high in breathability, excellent in corona resistance and high-frequency impulse resistance performance and capable of prolonging the insulation life of variable-frequency (high-voltage) motors.

The invention provides a PVC (Polyvinyl chloride) protective corner technology for an external corner in heat insulation construction of an exterior wall. The technology comprises the following steps of laying a finished PVC protective corner with double-wing mesh cloth at each position of external corners, such as large external corners, windows, cornices and holes, of a wall surface before surface mortar is plastered on the exterior wall for heat insulation for the last time; arranging a through line at each external corner position; firstly plastering rendering putty on the bottom layer, adjusting the protective corner installation position according to the through line, pressing the double-wing mesh cloth, then plastering wall surface putty and pressing glass fiber mesh cloth, and plastering the surface mortar for the last time. The PVC protective corner technology for the external corner in the heat insulation construction of the exterior wall has the advantages that the heat insulation quality and acceptance check of the exterior wall conform to standard error requirements, the sealing property and safety of the exterior heat insulation system of the exterior wall are improved, and the durability of the exterior heat insulation system of the exterior wall is guaranteed; meanwhile by utilization of the protective corner, the construction speed is increased, the construction period can be shortened, the labor cost is reduced, the construction cost is reduced, the impact resistance of the external corner is improved, a wall corner is effectively prevented from being damaged, the appearance quality is improved, the construction quality is improved, and the service life of the exterior wall for heat insulation is prolonged.

The invention relates to the field of high voltage electrical equipment, in particular to rail traction high voltage switchgear. The rail traction high voltage switchgear comprises a main incoming circuit breaker, a standby incoming circuit breaker, a main earthing switch, a standby earthing switch, a main bus circuit breaker, a standby bus circuit breaker, an incoming sleeve, a bus sleeve, an incoming circuit breaker operating mechanism, an earthing switch operating mechanism and a bus circuit breaker operating mechanism. The circuit breaker is composed of a vacuum arc-extinguishing chamber,a copper conductive part and a solid insulating material. A semi-conductive buffer layer is arranged between the conductive part and the enclosed part of the solid insulating material. A semi-conductive electrical shielding layer is cured at the non-connected part of the surface of the solid insulating material, and the non-connected part of the surface of the solid insulating material is connected with the shell. A uniform piece is arranged at the joint of the conductive piece to eliminate a partial point discharge phenomenon. According to the rail traction high voltage switchgear provided bythe invention, the volume of the switch is reduced, the partial discharge magnitude of the product is improved, and the reliability is improved.

The invention relates to the field of the high-voltage electrical equipment, especially a railway traction variable-high voltage grounding switch. The railway traction variable-high voltage groundingswitch comprises a grounding switch polar pole, a mounting plate, an operating mechanism, a grounding copper part, a grounding cutter, a conductive copper part, a semi-conductive shielding layer, a semi-conductive buffer layer, and an insulation layer. The grounding switch polar pole and the operating mechanism are located at two sides of the mounting plate; the operating mechanism is matched withthread in the grounding cutter through a lead screw, thereby driving the grounding cutter to make linear motion; the semi-conductive buffer layer is arranged between a conductor and a solid-sealing part of the solid insulation material; the semi-conductive shielding layer is cured at a non-connecting part of the surface of the solid insulation material, and is connected with a shell. The partialdischarge magnitude of the product is lowered, the product life is improved, and the reliability is improved.