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42results about How to "Sufficient throughput" patented technology

Scanning system for inspecting anamolies on surfaces

An optical scanning system and method for detecting anomalies, including pattern defects and particulate contaminants, on both patterned and unpatterned surfaces, using a light beam, scanning at a grazing angle with respect to the surfaces, a plurality of detectors and an interchannel communication scheme to compare data from each detector, which facilitates characterizing anomalies. The light beam illuminates a spot on the surface which is scanned over a short scan-line. The surface is moved in a manner so that the spot is scanned over its entire area in a serpentine fashion along adjacent striped regions. The plurality of detectors include groups of collector channels disposed circumferentially around the surface, a bright field reflectivity / autoposition channel, an alignment / registration channel and an imaging channel. The collector channels in each group are symmetrically disposed, in the azimuth, on opposite sides of the center of the scan line. The position of the collector channels, as well as the polarization of the beam, facilitates distinguishing pattern defects from particulate contaminants. The bright field reflectivity / autoposition channel is positioned to receive specularly reflected light that carries information concerning local variation in reflectivity, which is used to classify detected anomalies, as well as determine variations in the height of the surface. The alignment / registration channel is positioned to detect a maximum of the light scattered from the pattern on the surface to ensure that the streets of die present on the surface are oriented so as not to be oblique with respect to the scan line. The imaging channel combines the advantages of a scanning system and an imaging system while improving signal / background ratio of the present system.
Owner:NIKOONAHAD MEHRDAD +3

Wax and paper separation process for waste wax cartons and application of wax and paper separation process

The invention discloses a wax and paper separation process for waste wax cartons and application of the wax and paper separation process, and belongs to the technical field of paper making. The wax and paper separation process includes the following steps: (1) the waste wax cartons are collected into a pulper; (2) pulping is conducted, specifically, a solvent and lye are added, and meanwhile, an intermittent pulping mode is adopted; (3) heavy slag is removed; (4) coarse sieving is conducted; (5) grading sieving is conducted; (6) fine sieving is conducted; and (7) secondary treatment of good long fiber pulp is conducted. The pulper is a hydraulic pulper, and the rotating speed of the pulper is 300-500 r/min; the solvent is water or pulping white water or a mixture of the water and the pulping white water, the temperature of the solvent is 45-55 DEG C, and the additive amount of the solvent enables the concentration of wax paper to be 8-12%; and the lye includes but is not limited to a caustic soda or potassium hydroxide solution. According to the wax and paper separation process, wax and paper on the wax cartons can be effectively separated, paper fiber after separation of the wax can serve as a raw material for manufacturing the cartons, the obtained cartons have good compressive strength, and the industry use standard is met.
Owner:SHANYING INT HLDG CO LTD

Virtual carrier sense networking communication method based on half-duplex channel

The invention discloses an application layer networking communication method based on a half-duplex channel and provides a virtual carrier sense networking communication method based on the half-duplex channel, wherein a virtual carrier sense networking algorithm and a virtual carrier sense networking protocol are included. According to the virtual carrier sense networking algorithm, network nodes of sharing the half-duplex channel are logically divided into master nodes and slave nodes, the master nodes periodically send virtual carrier sense messages to the slave nodes through a drip timer, and the slave nodes match destination addresses of the received virtual carrier sense messages with networking node addresses of the slave nodes. According to the virtual carrier sense networking protocol, an interplate interface adopted for transmitting a protocol message is determined; the format of the protocol message is defined, and constituent elements of an interface message between an application layer and a link layer are stipulated; the message type of a networking control protocol is defined; the drip timer is realized. The virtual carrier sense networking communication method is applied to networking control software in a synchronous data voice transmission network, can increase the utilization rate of the half-duplex channel, provides enough handling capacity for application of synchronous data voice transmission, and achieves the reliable synchronous data voice transmission function in a network environment.
Owner:BEIFANG LIANCHUANG COMM
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