Abstract: A stencil for use in fabricating semiconductor devices is disclosed that has an aperture having a first portion extending from a first side thereof and a second portion extending from a second side thereof to minimize the shear stress between the material extruded therethrough and the stencil. The stencil allows for material to be extruded through the top of the stencil to the surface of the substrate and not contact the wall of the second portion of the aperture of the stencil. Since the material only contacts a small area of the first portion of the aperture near the top of the stencil, the material remains on the substrate and not in the aperture of the stencil.

Abstract: A negative-working lithographic printing plate precursor is disclosed which comprises a grained and anodized aluminum support having a hydrophilic surface and a heat-sensitive coating provided on the hydrophilic surface, the coating comprising hydrophobic thermoplastic polymer particles which are capable of forming a hydrophobic phase in the coating by heat-induced coalescence of the polymer particles. The support is characterized by a surface roughness, expressed as arithmetical mean center-line roughness Ra, which is less than 0.45 ?m. The smooth surface enables to prepare a lithographic printing plate from the mentioned precursor, which is characterized by a high run length during printing.

Abstract: A web-fed rotary printing press is used for printing a web and consists of at least two satellite cylinders and of at least six cylinders, each of which defines a printing location in cooperation with the satellite cylinders. Each printing location can be brought into a printing-on or a printing-off position. The six or more printing locations can be positioned to all print the same side of the web. At least five of the printing locations, that can be positioned on the same side of the web, are arranged in direct succession along the path of travel of the web.

Abstract: The present invention provides a method of imaging a printing plate precursor in which a printing plate precursor including a substrate and an image forming layer is imagewise contacted with a catalyst, for example, by imagewise ink-jet application. The image forming layer is then heated and developed in a suitable developer liquid such that portions of the image forming layer that are contacted with the catalyst resist development while portions of the image forming layer that are not contacted with the catalyst are removed during development.

Abstract: A printing press, and an apparatus and a process for regenerating a printing plate can repetitiously reuse the same printing plate and shorten time for decomposition of image areas formed by a hydrophobic organic compound under irradiation with activating light to delete the image areas. A process for regenerating a printing plate including a photosensitive layer, formed on the surface of a substrate, having a photocatalyst exhibits hydrophilicity responsive to activating light having energy higher than the photocatalyst's band-gap energy, and one or more hydrophobic image areas, formed on the surface of the photosensitive layer and operable to hold ink, comprises the steps of: removing ink remaining on the printing plate; hydrophilizing the surface of the printing plate by irradiating with the activating light and by heating the printing plate to delete the hydrophobic image areas; and applying an organic compound onto the printing plate.

Abstract: A stamp device for printing a pattern on a surface of a substrate having a two-sided rigid carrier layer providing on its first side a patterned layer made of a first material and being combined on its second side with a soft layer made of a softer material than that of the first material.

Abstract: A wet offset printing form has a top layer containing a photocatalytically and thermally modifiable material. The material can be brought photocatalytically into a hydrophilic state by irradiation with light and into a lipophilic state by heating. The hydrophilic state forms a surface that can be illustrated and the lipophilic state forms an illustrated surface. The top layer of the wet offset printing form may contain absorption centers for irradiation, especially for laser radiation in the NIR range, with which heating of the top layer in the pattern of an image is brought about.

Abstract: A process and system for making an image replication element from a photosensitive printing element by digital photopolymerization are provided. The process includes forming a desired printing image on a photopolymer layer by digital light processing without the use of either a mask layer or a laser.

Abstract: The present invention relates to a planographic printing plate precursor comprising a substrate comprising a hydrophilic surface having disposed thereon a heat-sensitive layer containing a thermoplastic particulate polymer having functional groups capable of interacting with the hydrophilic surface. Preferably, hydrophilic graft polymer chains are present on the hydrophilic surface of the substrate. The present invention further relates to a planographic printing plate precursor comprising a substrate comprising a hydrophilic surface having disposed thereon a heat-sensitive layer comprising microcapsules comprising a compound having functional groups capable of interacting with the hydrophilic surface. In addition, the present invention relates to methods of printing with the planographic printing plate precursors.

Abstract: A method and device for locking and unlocking a print head assembly along a shaft in an addressing machine. The print head assembly is fixedly mounted on a locking mechanism, which comprises a cylindrical body slideably mounted on the shaft and a cam ring rotatably mounted over the cylindrical body. The cylindrical body has a slot for seating an elongated spline. When the locking mechanism is operated in a locking position, the inner circumference of the cam ring presses the spline against the shaft, preventing the cylindrical body from moving along the shaft. The cam ring has a relief on its inner circumference such that, when the cam ring is rotated to the unlocked position, the spline is partially seated in the relief, thereby reducing the pressure exerted by the spline against the shaft. As such, the position of the print head assembly can be adjusted.

Abstract: A layered formation, possibly used as a printing plate that is to be mounted to a printing press when performing printing, has a photocatalystic layer including a photocatalyst so that the surface of the photocatalyst layer is rapidly hydrophilized by irradiating with light having a lower irradiating energy. The layered formation or a printing plate includes an intermediate layer having two or more kinds of oxide semiconductors or a solid acid between a substrate and the photocatalyst layer.

Abstract: A lithographic newspaper printing press including printing units which are mounted on top of each other, forming a tower arrangement. Each printing unit including a first and a second plate cylinder having a length being substantially four times the width of a newspaper page and having a circumference being substantially equal to the height of a newspaper page. Each printing unit further includes first and a second blanket cylinder associated with said first and second plate cylinders, whereby each of said first and second blanket cylinders has substantially the same diameter as the associated plate cylinder. Each of the blanket cylinders carries a respective continuous sleeve-shaped printing blanket which is axially removable from the respective plate cylinder through an aperture formed in the side wall of the housing of the printing unit, while the respective blanket cylinder is cantilevered in the opposite side wall of the housing.

Abstract: The invention relates to a method for producing flexographic printing forms by engraving a printing relief on a flexographic printing element that can be laser engraved, said element having a photochemically cross-linked relief layer. The relief layer is transparent and comprises oxidic, siliceous or zeolitic solid matter with a particle size between 1 and 400 nm in a quantity of between 0.1 and 8 wt. % in relation to the quantity of all components in the relief layer.

Abstract: A plate-making system, in which a light-sensitive lithographic printing plate carrying an interleaf paper superimposed thereon and/or an original plate for making a dummy plate carrying an interleaf paper superimposed thereon are processed in a plate-setter provided with an automatic interleaf paper-removing mechanism and an automatic developing machine, is characterized in that it comprises a means for detecting the presence of any interleaf paper on the lithographic printing plate and/or the original plate or a means for discriminating the interleaf paper, the light-sensitive lithographic printing plate and the original plate.

Abstract: A spray-type dampening water supply apparatus having a spray whose nozzles are protected against adhesion of any foreign matter to the nozzle surfaces and in which at least orifices of the nozzles can be easily cleaned out. Each nozzle of the spray has a guide surface slanting from an upstream outer peripheral edge toward a downstream central orifice. A partition of the spray is disposed downstream of the nozzle assembly and has a plurality of apertures confronting the respective nozzles. The spray is equipped with means for opening and closing the apertures of the partition.

Abstract: An inked ribbon core has an internal collar and a longitudinal rib which frictionally engage corresponding spindle structures to thereby secure the core in its fully mounted position, as determined by a stop ring.

Abstract: A device and a method detect an edge of a recording material, in particular a printing plate, in an exposer for recording printing originals. An exposer has an exposure drum for holding the printing plate, and an exposure head, which is moved axially along the exposure drum and focuses exposure beams onto the printing plate. The position of the edge of the printing plate is determined by a sensing device. To this end, a sensing finger is pivoted into a groove in the surface of the exposure drum and a signal is generated by a sensor when the sensing finger moves when it touches the edge of the recording material. The sensor used is preferably a microswitch. The axial position of the edge of the printing plate is determined by counting the cycles of the feed drive that moves the sensing device.

Abstract: A reduction to the traveling motion of bottles along a delivery conveyor in an intermittent motion decorating machine is provided by one of a pair of workpiece feed cams rotatably supported in a side-by-side relation to rotate about spaced horizontal axes lying in a common horizontal plane. The workpiece feed cams have feed cam tracks for receiving cam followers of each of plurality of vertical bottle carriers. One of the feed cam tracks reduces the speed of the bottle carriers from a relatively high entry speed corresponding to the through put speed in the decorating machine to the speed of the deliver conveyor for more densely populating the delivery conveyor with workpieces. Carrier transfer members at each of opposite ends of the workpiece feed cams transfer the bottle carriers from one to the other of the workpiece feed cams. A drive rotates the workpiece feed cams, carrier return cams and carrier transfer members.

Abstract: A screen printing apparatus prints cream solder through a pattern hole of a mask plate, to which a substrate is brought into contact, by sliding a squeegee head. A three dimensional detector, such as a laser, is used to determine the extent to which the pattern hole is filled with the cream solder. Based on the determination result, the printing operation is modified, with respect to the positioning of the mask plate and substrate, to maintain the printing quality.

Abstract: The invention relates to a method of avoiding core set curl in thermal prints comprising providing thermal print material wound image receiving side toward the core, passing said print material from said core around a turning roll in a direction opposite to the core wind, passing said print material under tension in an arcuate path with image side out beneath at least three thermal print heads to form an image.