34results about How to "Satisfy flatness" patented technology

A scale is attached to a carrier by optically contacting. The optically contacting bonds are formed by raised surface regions of the scale set apart from each other. Additional measures, such as the provision of adhesive surfaces, provide a rigid and vibration-resistant joint.

The invention discloses a method for local tinning to the bonding pad on a circuit substrate, which enables lead-free tin plasma to be brushed to the spot welding position bonding pad of the circuit substrate through a steel mesh; the circuit substrate brushed with the lead-free tin plasma passes through the five areas of a reflow soldering machine for operating parameters in sequence, to form liquid tin coating covered in the entire spot welding position bonding pad, and after the circuit substrate cools, solid tin coating is formed in the spot welding position bonding pad. The invention utilizes the steel mesh to brush the lead-free tin plasma to the bonding pad of a common substrate, and utilizes the reflow soldering machine and depends on the wetting property of soldering flux, and the diffusion and the self positioning effect of the tin plasma to accomplish the tinning process of the bonding pad, the tin coating meets the process requirements of the thickness and the smoothness, and provides good basic conditions for the subsequent spot welding working procedure, and the manufacturer does not require to purchase special substrates for the substrate supplier, therefore, the production efficiency can be greatly improved, the qualified rate of the product can be increased, and the production cost of the enterprise can be reduced.

A flexible radio frequency identification label and a method for fabricating the same are proposed. A first flexible protection layer is attached to a second flexible protection layer to form a closed space for receiving a radio frequency identification circuit. By such arrangement, a good flexibility can be provided by the flexible protection layers, and the closed space also enables the radio frequency identification circuit to be protected and isolated from the moisture in the outside environment, such that the circuit can be prevented from being oxidized and the service life of the product can be extended.

The invention provides a radiation-sensitive resin composition, a cured film and a forming method thereof and a display element. The radiation-sensitive resin composition is excellent in both storage stability and low-temperature firing performance. Meanwhile, the radiation-sensitive resin composition is sufficient in radiation sensitivity. The curved film is excellent in heat resistance, chemical-corrosion resistance, transmittance, smoothness, voltage holding ratio and heat resistant linear expansion property. The radiation-sensitive resin composition is characterized by comprising [A] a polymer having epoxy groups, [B] a polymerizable compound having an ethylenic unsaturated bond, [C] a radiation-sensitive polymerization initiator, and [D] at least one compound selected from the following formula (1)-(3).

A refractive projection optical system in which a large image side numerical aperture can be ensured by interposing liquid in the optical path to the image plane, and an image having good planarity can be formed while suppressing radial upsizing. The projection optical system comprising a first image forming system arranged in the optical path between a first plane (R) and a point optically conjugate to a point on the optical axis of the first plane, and a second image forming system arranged in the optical path between the conjugate point and a second plane. In the projection optical system, all optical elements having power are refractive optical elements. The optical path between the projection optical system and the second plane is fillable with liquid having a refractive index larger than 1.3.

The invention has for its object to provide, without incurring any cost increase, a thin-film EL device in which a dielectric layer is corrected for non-flat portions to have a smooth surface, thereby ensuring enhanced display quality, and its fabrication process. This object is achieved by the provision of a thin-film EL device having at least a structure comprising an electrically insulating substrate (11), a lower electrode layer (12) stacked on the substrate according to a given pattern, a multilayer dielectric layer (13) formed thereon by repeating a solution coating-and-firing step plural times, and a light-emitting layer (14), a thin-film insulator layer (15) and a transparent electrode layer (16) stacked on the dielectric layer. The multilayer dielectric layer has a thickness of at least four times as large as a thickness of the electrode layer and 4 mum to 16 mum inclusive. The fabrication process is also provided.

A method of forming trench isolation including a burying step of burying trenches by a deposition means for conducting etching and deposition simultaneously and a polishing step of flattening a burying material by polishing is conducted by disposing an isotropic etching step, a multi-layered etching stopper and a protrusion unifying structure. Polishing can be attained with satisfactory flatness uniformly or with no polishing residue even in a portion to be polished in which the etching stopper layer is distributed unevenly. The method can be applied to manufacture of a semiconductor device or the like.

The present invention relates to a polishing agent including: cerium oxide particles; a water-soluble polyamine; potassium hydroxide; at least one selected from an organic acid and a salt thereof; and water, in which the polishing agent has a pH of 10 or more, a polishing method using the polishing agent, and a method for manufacturing a semiconductor integrated circuit device.

The invention discloses a land leveler scraping working device based on a rotary translation mechanism. The land leveler scraping working device comprises a machine frame, a first rotary table, a translation mechanism, a second rotary table and a scraper knife mechanism, the first rotary table is installed on the machine frame through a rotary pair and can rotate relative to the machine frame, the translation mechanism is a planar double-connecting-rod four-rod mechanism and forms a parallelogram structure, the translation mechanism comprises a longitudinal beam, a first connecting rod, a second connecting rod and a movable platform, the longitudinal beam is fixedly installed on the first rotary table, the two ends of the first connecting rod and the second connecting rod are connected with the longitudinal beam and the movable platform, and the movable platform can translate relative to the first rotary table under the driving action of a first linear driver; the second rotary table is mounted on the movable platform through a revolute pair and can rotate relative to the movable platform; the scraper knife mechanism can realize lateral movement and rotation of a scraper knife. According to the land leveler scraping working device, six-degree-of-freedom movement of the scraper knife can be achieved during operation, and compared with an existing land leveler, the land leveler scraping working device is good in flexibility, low in movement coupling degree, free of spherical hinges and better in rigidity and stability.

A battery box for electric or hybrid motor vehicles, comprising a peripheral frame which has a generally convex polygonal shape, a bottom part and a top cover; the bottom part being joined to a lower surface of the peripheral frame, said peripheral frame comprising at least an aluminum extruded element, bent in a single direction in at least a position along the extrusion longitudinal direction according an angle wherein said bent aluminum extruded element at the said position presents at least two different inner radii of curvatures.

The invention provides a carton cutting device. The carton cutting device includes a base, a cutting table is arranged on the base, air intake small holes distributed evenly are formed in the surfaceof the cutting table, a vacuum pump is arranged in the base, a PVC tube is connected with the vacuum pump and connected to the inner cavity of the cutting table, a bracket is arranged at the upper endof the base, and symmetrical motor supporting brackets are arranged on the bracket; and a first motor and a second motor are arranged on the motor supporting brackets respectively, the output end ofthe first motor is connected with a left rolling roller, the output end of the second motor is connected with a right rolling roller, cutting blades are arranged on the left rolling roller and the right rolling roller, a control end is arranged on the front end face of the base, the first motor, the second motor, the vacuum pump are electrically connected with the control end, the cutting blades on the left rolling roller and the right rolling roller are arrayed in a staggered mode, and the vacuum pump is connected with the PVC tube through a threaded air pipe connector. Therefore, a carton iscut through the combination of the gravity and a cutting knife to obtain a flat cutting opening, and the smoothness of the cutting edge is met.

A reticle shape regulation device includes: an adsorption device having an upper surface and a lower surface; and a limit mechanism having a limit surface. The adsorption device is movable relative to the limit mechanism at least in a vertical direction. The upper surface of the adsorption device faces toward and is engagable with the limit surface. The lower surface of the adsorption device defines a vacuum chamber that is configured for communication with a negative-pressure source so as to adsorb the reticle by a negative pressure. The lower surface of the adsorption device further defines at least one positive-pressure outlet that is in communication with a positive-pressure source and is configured to supply a continuous positive-pressure air flow between the lower surface of the adsorption device and the reticle during the adsorption of the reticle. The positive-pressure air flow is so controlled as to form an air cushion between the lower surface of the adsorption device and the reticle while allowing the adsorption of the reticle by the adsorption device. This can correct deformations of the reticle, thus enabling satisfactory flatness thereof during an exposure process, and can easily create vacuum and an air cushion between a deformed reticle and the adsorption device.

In a semiconductor laser manufacturing method, a GaN single-crystal substrate is formed by slicing a GaN bulk crystal, grown on a c-plane, parallel to an a-plane which is perpendicular to the c-plane. In this substrate, crystal defects extending parallel to the c-axis direction do not readily exert an influence, and degradation of element characteristics due to crystal defects can be suppressed. Further, because the a-plane is a nonpolar plane, improved light emission efficiency and longer wavelengths can be achieved compared with the c-plane, which is a polar plane. Hence a semiconductor laser manufacturing method of this invention enables further improvement of the element characteristics of the semiconductor laser to be fabricated.

The present invention relates to: a polymer comprising a moiety represented by the following chemical formula 1; an organic film composition comprising the polymer; and a method for forming a patternby using the organic film composition. [Chemical Formula 1] In chemical formula 1, X and Y are respectively and independently a five-membered ring group containing at least one hetero atom.

The invention provides a large-area asphalt square gangplank paving construction method. The method includes the following steps that plates are divided, so that a plate division map is obtained; hotjointing board paving areas are paved; cold jointing board paving areas are paved with cold jointing boards; outer arc-shaped paving areas are paved; and paving areas on the two sides of the center line are paved. The method has the advantages that the provided large-area asphalt square gangplank paving construction method is provided, through reasonable division of the paving plate division map and adoption of the gangplank paving construction method, the adverse effects caused by manual paving and the cold joint condition can be effectively reduced, large-area bituminous pavement paving efficiency is high, and the design requirements for the flatness, the degree of compaction and the like are met.