51results about How to "Avoid placement errors" patented technology

In a charged-particle exposure apparatus for exposure of a target with a beam of electrically charged particles, the illumination system includes a deflector device adapted to vary the direction of incidence of the illuminating beam upon the pattern definition device, the pattern definition device forms the shape of the illuminating beam into a desired pattern, and the projection optics system projects an image of the beam shape defined in the pattern definition device onto the target; the projection optics system includes a blocking aperture device having an opening and being adapted to block passage of beams traversing outside the opening, namely when the deflector device is activated to tilt the beamlet by a sufficient angle from its non-deflected path, e.g., for blanking out during the process of loading a pattern into the pattern definition device.

An elongated intracorporeal remotely detectable marker includes a core of bioabsorbable fibers. An outer jacket of bioabsorbable fibers is disposed around at least part of the core. In one embodiment, for example, the core has a longitudinal extent and a pair of opposed ends, and the outer jacket is disposed around the longitudinal extent of the core, with the pair of opposed ends being exposed.

The invention discloses a multifunctional medical first-aid cart. The cart comprises a box 1, a box 2 and a fixing base, a first box body 2 is slidingly connected with an annular rail matched with supporting idler wheels arranged at the upper end of a second box body 2 through the supporting idler wheels, and multiple rectangular chambers of which openings face the peripheries of the rectangular chambers and extend outwards are formed in the first box body 2; a medicine management system is installed on the first box body 2, a threaded cylinder is connected to an output shaft of a forward andinverse motor through a coupler, penetrates through the center shaft of the second box body 2 and is in threaded connection with a long threaded hole formed in the bottom of the first box body 2 in the extension direction of the central axial direction, and rectangular slide blocks are symmetrically arranged at the left and right ends of the second box body 2. The multifunctional medical first-aidcart is convenient to use, medicine can be quickly found, the rescue efficiency can also be improved, devices on the first-aid cart are subjected to one-time comprehensive sterilization, and meanwhile the medicine management efficiency is also improved.

The invention provides a board collecting and placing machine and an operation method thereof. The board collecting and placing machine comprises a machine frame, a first lifting device, a conveying device, a second lifting device, a transferring device and a transporting device, the machine frame is provided with a first feeding and discharging station, a first temporary storage station, a collecting and placing station, a second temporary storage station, a second feeding and discharging station and a transportation station; the first lifting device is used for switching the position of a tray between the first feeding and discharging station and the first temporary storage station; the conveying device is used for switching the positions of the tray among the first temporary storage station, the collecting and placing station station and the second temporary storage station; the second lifting device is used for switching the position of the tray between the second temporary storage station and the second feeding and discharging station; the transferring device is used for switching the position of a circuit board between the tray of the collecting and placing station and the transportation station; and the transporting device is used for transporting the circuit board. According to the board collecting and placing machine, automatic operation of board placing or board collecting can be achieved, the problem of wrong placing during board placing or board collecting is avoided, and the board taking and placing efficiency is improved.

The invention discloses a multi-functional integrated conductive tape comprising a release film. A conductive shock absorption assembly and a conductive shielding assembly are arranged on a first sideof the release film side by side. The conductive shock absorption assembly comprises shock absorption foamed cotton and first conductive cloth covering the side face of the shock absorption foamed cotton. The end face, facing to the release film, of the conductive shock absorption assembly is coated with a conductive adhesive layer; the conductive shielding assembly comprises a shielding channel,and the end face, facing to the release film, of the conductive shielding assembly is partially or totally provided with a double-sided adhesive. The multi-functional integrated conductive tape is exquisite in design and simple in structure; two different assemblies integrate into a whole, so that when the multi-functional integrated conductive tape is used, and the two assemblies can be arrangedsimultaneously at one time; therefore, the assembly efficiency is effectively improved and the operation errors caused by step-by-step connection are effectively avoided; meanwhile, different assemblies have the functions of electric connection, electromagnetic shielding and shock absorption and dust prevention, and multi-functional integration is effectively achieved.

The invention provides a precision compensation system suitable for a chip mounter, and the system comprises a first camera, a second camera, a chip mounting head, an image processing module and a control module, wherein the first camera is used for acquiring image information of an actual mounting element of the chip mounting head; the second camera is used for acquiring image information of a standard mounting element preset on the PCB; characteristic parameters of the actual mounting element are calculated according to the image information of the actual mounting element, and the characteristic parameters of the actual mounting element are compared with characteristic parameters of a standard mounting element to obtain a comparison result; according to the obtained comparison result, the air valve of the suction nozzle on the mounting head sheet is controlled to be closed or opened so as to confirm whether the element is mounted or not. By comparing the information images of the actual mounting element and the standard mounting element, whether the center coordinate and the deflection angle of the adsorbed actual mounting element meet the preset requirements or not is judged toprompt the mounting accuracy.

The invention provides a book placing position monitoring system in order to solve the problem that in a library, books are prone to being placed mistakenly. The book placing position monitoring system can effectively avoid book placing errors, therefore, convenience is brought to book borrowing for users and the utilization efficiency of the books is increased. According to the book placing position monitoring system used for the library, databases corresponding to colors and book classifying information need to be arranged; the same color is set for the fixing positions of books of the same type; a color inductor needs to be installed on each bookshelf; the color inductors are connected with a computer control system. The system further comprises a handheld terminal, the terminal can be connected with the color inductors on the bookshelves around through an internal Bluetooth module, and when a librarian places the books or inspects the library, the color inductors on the nearby bookshelves can transmit error information onto the handheld terminal and display codes of the bookshelves. Through control of the system, book placing errors can be effectively avoided, therefore, the utilization efficiency of the books is increased and the working efficiency of managing personnel is also increased.

The invention discloses a mounting machine for chip processing in the technical field of chip processing and production, which comprises a base, conveying guide rails arranged on the two sides of thetop end of the base, a horizontal groove formed in the base, a screw rod arranged in the horizontal groove, a screw rod sliding block slidably sleeving the screw rod, and stand columns arranged on thetwo sides of the top end of the base, wherein thescrew rod sliding block penetrates through the base and a substrate, the stand columns are connected with push rods, a supporting plate is arranged between the two sets of pull rods, a front-back guide rail is arranged on the supporting plate, a chip is placed on the front-back guide rail, a transverse rod is arranged between the top ends of the two sets of stand columns, a fixing base is arranged in the middle of the transverse rod, and the bottom end of the fixing base is connected with a front-back guide rod which is sleeved with a front-back sliding block in a sliding mode. The bottom end of the front-back sliding block is connected with a clamping block through a connecting rod, the left side stand column is connected with a left supporting rod, a glue dripping barrel is arranged on the left supporting rod, the right side stand column is connected with a right supporting rod, and the right supporting rod is slidably sleeved with acrimping device, so that overflowing glue can be effectively utilized during mounting, the mounting attractiveness is enhanced, and the mounting quality is improved.

The invention discloses a main board north bridge cooling fin manual pressing device using method. The method includes first arranging a computer main board on an insulation support rod of a base plate seat, adjusting the position and locating the main board through an anti-fault location block; 2 utilizing a height cushion block to keep the computer main board stable; 3 enabling a north bridge cooling fin to sleeve a pressing head and removing an adhesion face protection film on the north bridge cooling fin; 4 pressing a flat push clamp downwards to enable the north bridge cooling fin to be attached to the computer main board. The method is simple in structure, practical and accurate in location. An anti-fault location block is provided, placement errors of workers in large-batch operation are prevented, and the working efficiency of the workers on a production line is improved.

A method of verifying a semiconductor integrated circuit is provided. A controlling cell and a controlled cell controlled by a control signal output from the controlling cell are placed in an IO region of the semiconductor integrated circuit. The method includes: (A) providing a library that includes requirement information specifying the controlling cell required by the controlled cell; (B) obtaining a region information indicating a region within the IO region in which a signal interconnection through which the control signal is transmitted is provided; and (C) verifying whether or not the specified controlling cell is placed within the region, in a case where the controlled cell is placed within the region.

The invention discloses a porous combined sealing plate. The porous combined sealing plate comprises a roller cooling water sealing ring, a dry grease sealing ring used for lubricating a sealing bearing seat, a bearing seat cooling water sealing ring and an auxiliary plate, wherein the roller cooling water sealing ring, the dry grease sealing ring and a bearing seat cooling water through hole arearranged on the auxiliary plate; and the roller cooling water sealing ring, the dry grease sealing ring and the bearing seat cooling water sealing ring are arranged on the two sides of the auxiliary plate in the thickness direction of the auxiliary plate in a protruding mode. Therefore, by fixing the position of the auxiliary plate, the positions of the roller cooling water sealing ring, the dry grease sealing ring and the bearing seat cooling water sealing ring integrated on the auxiliary plate can be fixed, installation is simple and convenient, installation time and labor force are saved, and installation efficiency is improved; and meanwhile, the problem that the sealing rings are placed wrongly in independent installation is avoided, the sealing effect is effectively guaranteed, and the service life of a sealing member is prolonged.

The invention relates to a sun-shading tent. The sun-shading tent is characterized in that the sun-shading tent comprises a frame body and an iron sheet arranged at the top of the frame body, the frame body comprises a foot pipe and a connecting pipe arranged above the foot pipe, a ceiling is arranged at the top of the frame body, the ceiling comprises four-corner inclined pipe and a middle inclined pipe, the four-corner inclined pipe is fixedly arranged at a top end opening of the foot pipe, the middle inclined pipe is fixedly arranged on the connecting pipe, and the iron sheet is fixedly arranged on the four-corner inclined pipe and the middle inclined pipe. The sun-shading tent is simple in mounting structure, and the iron sheet is stably fixed.