Abstract: The present invention is directed to a water-in-oil (w/o) emulsion ink comprising an oil phase and an aqueous phase. The oil phase comprises a liquid resin having a viscosity in the range of from about 1000 to about 10000 centipoise (cP) in an amount of about 0.1 to about 10 weight % as based upon the total mass of the ink. The aqueous phase comprises pigment. When the pigment comprises carbon black, all of the carbon black pigment contained within the ink has a pH of at least about 5. The invention is also directed to a process for the preparation of a w/o emulsion ink, which comprises adding an aqueous phase to an oil phase. The oil phase comprises a resin which, during manufacture of the ink, is added to the oil phase as a liquid having a viscosity in the range of from about 1000 to about 10000 cP, and the ink comprises pigment which, during manufacture of the ink, is added to the aqueous phase. When the pigment comprises carbon black, all of the carbon black pigment has a pH of at least about 5.

Abstract: Disclosed are heating-type multicolor printing methods (i), (ii), and (iii). The heating-type multicolor printing method (i) uses a rotary multicolor screen printer and is characterized in that (1) an aqueous printing binder containing a thickening inhibiting component is used and (2) continuous printing is performed while keeping the temperature of the table (pallet) of the printer at 60 to 100° C. The heating-type multicolor printing method (ii) is characterized in that, in the method (i), the aqueous printing binder contains 10 to 60% of a hydrophilic solvent having a boiling point above the boiling point of water as a thickening inhibiting component. The heating-type multicolor printing method (iii) is characterized in that, in the method (i) or (ii), the aqueous printing binder further contains 2 to 10% of urea as the thickening inhibiting component.

Abstract: A printing stage includes a stage surface having a plurality of suction holes, and fixes an object to be printed on the stage surface by vacuum contact. A printing mask is employed for forming a predetermined electrode pattern on the object to be printed fixed to the printing stage. A squeegee applies a predetermined amount of pressure to a metal paste spread on the printing mask, to print the electrode pattern on the object to be printed. A porous body is provided between the object to be printed and the printing stage.

Abstract: A plurality of through holes having an equal size are formed in an underlay substrate. Positions of the plurality of through holes are suitably set according to the shape of a substrate sheet. Specifically, an equal number of through holes are formed in each of end blank corresponding regions that, when the substrate sheet and the underlay substrate are overlapped with each other, overlap with end blank regions of the substrate sheet, of the underlay substrate. In addition, the through holes are formed at equal spacing in portions excluding the end blank corresponding regions in a blank corresponding region, which overlaps with a blank region of the substrate sheet, of the underlay substrate.

Abstract: Movable claws 13 are formed in clampers 10 holding a substrate 3 so that the movable claws can be selectively moved to a position where they have projected above the substrate 3, and to a position where they have retreated from above the substrate 3. Thereby, the safety of operation is ensured by causing the movable claws 13 to retreat during maintenance. Moreover, printing with high precision can be performed in a state where the surface of the substrate 3 and the rear face of the mask 2 are brought into surface contact with each other without any clearance by causing the movable claws 13 to retreat.

Abstract: The invention relates to a composition suitable for printing, via screen printing, a sheet of polyvinyl butyral intended to be part of a laminated glazing unit, comprising at least one polyvinyl butyral resin having a molecular weight at most equal to 50 000 and at least one solvent; a process for printing, via screen printing, a sheet of polyvinyl butyral intended to be part of a laminated glazing unit, characterized in that a composition defined previously is applied to the sheet, through a screen-printing screen and in that the thickness of the wet layer of composition applied compensates for the roughness of the sheet; a sheet of polyvinyl butyral intended to be part of a laminated glazing unit and printed, via screen printing, using a composition defined previously; a laminated glazing unit comprising one such sheet of polyvinyl butyral; and an application of such a laminated glazing unit as motor vehicle glazing, at least one portion of the periphery of which is opacified, in particular darkened.

Abstract: An ESD protective device having a low capacitance and stability characteristics constructed by installing a voltage sensitive material between electrodes. The voltage sensitive material comprises a fluorescent substance. The voltage sensitive material may be barium aluminate. The voltage sensitive material may be zinc silicate. The voltage sensitive material may be zinc sulfide. The voltage sensitive material is doped with a metal atom such as Mn, Cu and Eu. The device does not distort a signal wave pattern and have low capacitance of 0.5 pF or lower.

Abstract: A control apparatus for multiplexing a single distributed control amplifier to control multiple axes of motion in a multi-axis machine. In one example, the control apparatus comprises a distributed control motor amplifier, a first motor constructed and arranged to provide movement along a first axis of motion, a second motor constructed and arranged to provide movement along a second axis of motion, a first relay having a switch coupled to the distributed control motor amplifier, a first contact coupled to the first motor, a second contact coupled to the second motor, and an input for receiving an actuation signal, wherein the relay is configured to be manipulated between a first state in which the switch is electrically connected to the first contact a second state in which the switch is electrically connected to the second contact, in response to the actuation signal.

Abstract: The printing machine comprises at least one transfer system for conveying a substrate onto an impression cylinder and at least one screen of cylindrical or flat shape, with a doctor blade, said screen collaborating with the impression cylinder and intended to print the substrate with an ink containing pigments that can be orientated by a magnetic field and an unloading system for carrying the substrate away. The impression cylinder comprises at least one magnetic element on its impression surface, said magnetic element being positioned at a point corresponding to said impression performed by said screen on said substrate.

Abstract: A stencil printer includes a frame, a stencil coupled to the frame, a substrate support coupled to the frame to support a substrate in a print position, and a print head, coupled to the frame, to deposit and print viscous material over the stencil. The print head includes a squeegee assembly having at least one squeegee blade and a squeegee blade movement mechanism configured to move the squeegee blade from a raised position in which the squeegee blade is spaced from stencil and a lowered position in which the squeegee blade engages and applies a force on the stencil. The print head further has a device to detect a first reference point associated with a first force of the squeegee blade against the stencil and a second reference point associated with a second force of the squeegee blade against the stencil when moving the squeegee blade to the lowered position in which the squeegee blade engages and applies a force on the stencil.

Abstract: A combination for creating artwork such as a sports logo on a lawn includes a lawn stencil having one or more openings configured to facilitate creation of a portion of the artwork. The combination further includes a container of spray paint and elongate members each having an elongate shaft with proximal and distal portions. The distal portion of each elongate shaft is pointed and includes a shape for accommodating insertion of the distal portion into the lawn. A container holds the lawn stencil, the container of paint, and the plurality of elongate members. The lawn stencil further comprises a connecting member that extends across a said opening of the lawn stencil for maintaining structural integrity of the lawn stencil and for distributing tension in the lawn stencil when the lawn stencil is laid upon the ground with the plurality of elongate members extending through the lawn stencil into the lawn.

Abstract: An exemplary legend printing stencil for printing a circuit substrate for manufacturing a number of printed circuit board is provided. The stencil includes at least a first printing portion, at least a second printing portion and a junction portion between the first printing portion and the second printing portion. The first printing portion and the second printing portion each define a number of legend holes therein. The first printing portion and the second portion are configured for attaching on and covering the corresponding circuit board unit of the circuit substrate to print legends on the circuit board unit. The junction portion defines a slot therein and is configured for attaching on and covering the corresponding connection portion of the circuit substrate to print a legend ink layer on the connection portion. A method for manufacturing a number of printed circuit boards using the stencil is also provided.

Abstract: In a screen printing apparatus, a first printing table and a second printing table are alternately driven to move horizontally between a workpiece introducing section and a workpiece printing section by a table driving unit. The table driving unit is constituted so that the first printing table is vertically moved from a first level to a second level during the horizontal movement of the first printing table, and so that the second printing table is maintained at the first level during the horizontal movement of the second printing table, whereby the first printing table can pass by the second printing table without interference therebetween when these tables meet each other. In either of the workpiece introducing section and the workpiece printing section, each of the first and second printing tables is always located at the same first level, and thus an unprocessed workpiece (W) loaded onto each of the first and second tables can be subjected to a screen printing process in the same control manner.

Abstract: A waterless temporary tattoo that has bright colors is provided. The waterless temporary tattoo is produced from a film having a pretreated printing surface and opposing adhesive surface. An opaque tattoo image is printed upon the printing surface of the film using a screen printing process, and then subsequently dried or cured by using forced heat or by air drying. The completed screen printed tattoo image is then rotary die cut to conform the film to the shape of the tattoo image to produce the completed waterless temporary tattoo.

Abstract: A plurality of through holes having an equal size are formed in an underlay substrate. Positions of the plurality of through holes are suitably set according to the shape of a substrate sheet. Specifically, an equal number of through holes are formed in each of end blank corresponding regions that, when the substrate sheet and the underlay substrate are overlapped with each other, overlap with end blank regions of the substrate sheet, of the underlay substrate. In addition, the through holes are formed at equal spacing in portions excluding the end blank corresponding regions in a blank corresponding region, which overlaps with a blank region of the substrate sheet, of the underlay substrate.

Abstract: A system for attaching mesh to a frame and applying tension to the mesh is described. The system includes a locking strip slot in a movable frame member that permits mesh and an attached locking strip to be inserted into the slot from the top. The locking strip may be asymmetric. The system further includes a rigid frame that can hold the movable frame member under tension. The system also includes gripping the movable frame member at the locking strip slot to apply tension to the mesh. A simple hand tool may be used for engaging the locking strip slot and leveraging against the rigid portion of the frame to apply the tension. A simple hand tool may be used for separating the movable frame member from the rigid frame to remove the mesh.

Abstract: This invention relates to film layer which is suitable for use in a light guide plate and methods of forming said film layer and light guide plate. The invention also relates to the light guide plate and light guide devices made therefrom. The film and light guide plate are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays.

Abstract: A housing includes a substrate and a decorative layer formed on one surface of the substrate. The decorative layer includes two colored ink coatings, each of which is partially interlaced with the other and has a color depth decreasing from one end thereof towards the other colored ink coating to another end thereof and partially mixed with the other colored ink coating.

Abstract: An object of the present invention is to provide a water-metachromatic fabric sheet having a color range of gradation in similar colors, for example, from a light blue region in the dried state to a dark blue region in the water-containing state. As a solution, a mixture layer containing porous particulate aluminum silicate and a colorant is printed on a surface of a fabric, wherein the mixture layer has a second mixture layer prepared by dispersing and fixing porous particulate aluminum silicate and a colorant in a binder resin and a first mixture layer prepared by dispersing and fixing porous particulate aluminum silicate and a colorant in a binder resin.

Abstract: A method of conveying imprint material and a printing table for a flatbed printing machine are described. The method of conveying imprint material, particularly solar cell wafers, in and out of a processing area of a flatbed printing machine includes the steps of moving the imprint material by means of a conveyor belt on a first conveyor belt section into the processing area, processing the imprint material and further moving the imprint material on the first conveyor belt section out of the processing area. An automatic checking of the first conveyor belt section for soiling or damage takes place and, as a function of the checking result, a moving-back of the first conveyor belt section into the processing area or a moving of a second conveyor belt section into the processing area takes place.

Abstract: The tattoo stencil printing system is an impact printer useful for creating high resolution, high quality tattoo stencils. The impact printer has a specialized print head with an impact designed for a specific transfer medium. A method of using the tattoo stencil printing system is provided which includes providing a source image to the system and generating a tattoo stencil.

Abstract: The invention relates to glazing units provided with conducting wires. The glazing units according to the invention comprise enameled conducting wires applied by screen-printing. When subjected to a “zebra” test (DIN 52305), in which the conducting wires are oriented parallel to those of the image of the test and the glazing receives the incident light beam at an angle of 30° C. in relation to the normal to the glazing, the increase in distortion in relation to that of the glazing without conducting wires is at most 70% and preferably at most 50%.

Abstract: Components of a kit for creating an artistic work on a lawn include: a container of aerosol paint; a plurality of stakes for anchoring a lawn stencil to a lawn; and a sheet of flexible material in which is defined one or more openings used to apply one or more design elements of the artistic work to the lawn by spraying the aerosol paint through the one or more openings in the lawn stencil when the lawn stencil is anchored to the lawn with the stakes. The components are held in a container having a relatively small form factor that readily accommodates point-of-sale display and purchase at retail stores by consumers.

Abstract: There is described a sheet-fed or web-fed screen printing press, especially for the production of banknotes and like securities, comprising an impression cylinder, a first screen printing unit cooperating with the impression cylinder for applying a first ink pattern onto successive sheets or web portions, at least a second screen printing unit cooperating with the impression cylinder for applying a second ink pattern onto the successive sheets or web portions, which second screen printing unit is located downstream of the first screen printing unit with respect to a direction of rotation of the impression cylinder, and an intermediate drying unit located between the first and second screen printing units.

Abstract: Interactive visual communication panel (1), such as among others a board that can be written on with felt-tip pens or a chalkboard that can be written on with chalk, characterised in that it is provided with an vitreous enamel layer (5) on the front (3) of the communication panel (1) on which is provided an optically readable position-encoding pattern (6) for creating an electronic representation of the information that is written on the front (3), which position-encoding pattern (6) is built of a ceramic print that has been fired on the layer of enamel (5) at temperatures higher than 500° C.

Abstract: A screen printing device configured to print a printing paste on a printed board, the printing paste being applied on a screen printing plate where openings corresponding to a pattern to be printed are formed, the screen printing device includes a first squeegee advanced and pressed downward so that the printing paste is pushed on the printed board corresponding to the openings of the screen printing plate; and a second squeegee situated in the vicinity of the rear of the first squeegee, the second squeegee being configured to provide pressure forward and downward, the pressure having properties different from properties of a pressure provided by the first squeegee, wherein a printing operation by the second squeegee is performed right after a printing operation by the first squeegee.

Abstract: A printing apparatus includes a feed-out unit for feeding out an elongated base material which is wound up in a roll, a printing unit for printing a liquid resist onto the elongated base material that is fed out of the feed-out unit, a wind-up unit for winding up the elongated base material on which the liquid resist is printed by the printing unit into a roll, and a suction unit positioned between the printing unit and the wind-up unit in a transport direction of the elongated base material for sucking up a solvent in the liquid resist.

Abstract: The invention provides a method for improving accuracy during a plurality of screen printing steps. After a first layer and an alignment mark are printed on a workpiece, the alignment mark is imaged by a camera so that the alignment mark is stored as image data in an image processing device adapted to deliver reference data for subsequent printing, and the image data is used to renew the reference data in the image processing device.

Abstract: A screen printing machine and method, the screen printing machine comprising: a print head (111) which is operable to drive a material through a printing screen (109) and deposit the material onto a workpiece (w); an imaging unit (121) which comprises a vision camera (123) for imaging at least one of the printing screen (109) and the workpiece (w), and a positioning mechanism (125) which is operable to position the vision camera; and an end effector (141) which is operable to perform an operation on the workpiece and is coupled to the vision camera, such as to be moved commonly therewith by the positioning mechanism, wherein the screen printing machine is operable in one of a first mode in which the print head is operated to print material deposits on the workpiece, and a second, mode in which the end effector is actuated to perform an operation on the workpiece at defined positions.

Abstract: A screen cap printing device has a saddle secured to a frame for mounting a cap for printing. The saddle has a flat platen which supports the front panel of the cap so that the peak of the cap lays flat on the platen. The saddle also includes side forming members used to position the cap with a registration plate that engages the bill of the cap. The saddle and the registration plate triangulate the positioning of the cap prior to printing and maintain the cap in position during printing. The registration plate is secured to the frame in a spaced-apart perpendicular relationship to the platen and defines a channel between the platen and the side forming members for receiving the sweatband of the cap. Adhesive may be provided on the platen to hold the cap in place and hold the front panel of the cap in position while printing.

Abstract: A screen printing apparatus and a screen printing method facilitating to adjust a state of filling a paste. By adjusting a pneumatic pressure of pressing a squeezee 9a formed with a flexible region at at least a portion thereof to a surface of a mask 2, the squeezee 9a is moved up and down to follow recesses and projections of a surface of the mask 2 substantially in real time and an attack angle ? in sliding is maintained substantially constant. Thereby, a state of filling a paste can be stabilized without being influenced by recesses and projections of the surface of the mask 2 and promotion of a print quality can be expected. Further, bending is produced at the squeezee 9a by only adjusting the pneumatic pressure, and therefore, an attack angle ? in correspondence with a change in a print condition of a kind or a property of the paste, a thickness of the mask and the like can easily be changed.

Abstract: A method of applying viscous medium on a substrate that is arranged for mounting of components includes providing the substrate arranged for mounting of electronic components thereon and screen printing predetermined amounts of a viscous medium on predetermined positions on the substrate. In addition, the method includes add-on jetting of predetermined additional amounts of viscous medium on predetermined positions on the screen printed substrate. The add-on jetting is non-contact dispensing and the add-on jetting viscous medium is still in viscous form during the add-on jetting.

Abstract: An electric circuit is applied to an object having a curved surface. The curved surface of the object is divided into sections, and the circuit is applied one section at a time. The circuit is formed between layers of dielectric material. The dielectric is applied by a computer-controlled device, which controls the position of a spray head and the rotation of the object, such that the spray head is held substantially perpendicular to the surface of the object at all times, and such that a controlled thickness of dielectric material can be deposited. The fine-featured circuits formed by the invention are rugged, and can be used on objects intended to be exposed to harsh environments.

Abstract: A screen printing head which, in a printing operation, is displaceable in a first direction over a surface of a workpiece to print deposits of a print medium on the workpiece, the screen printing head comprising: a print head assembly comprising a print unit comprising a main body including a print medium, cavity, which in use contains print medium, and a delivery aperture, which is in fluid communication with the print medium cavity and through which print medium is in use delivered from the print medium cavity to the surface of the workpiece, and a rotatable unit which is disposed in the print medium cavity of the main body and rotatable to displace print medium as contained in the print medium cavity; and a drive unit for rotating the rotatable unit such as to displace print medium as contained in the print medium cavity, wherein the drive unit is operative to rotate the rotatable unit to apply a force to the print medium at the delivery aperture in the main body in a second direction which is opposite to

Abstract: A method for producing a screen print having a given print pattern formed on a printing material by sliding a squeegee over a screen of a screen printing plate that includes the screen being disposed above the printing material in the form of a printing plate frame while keeping a given clearance therebetween. As such, the ratio (LP/LF) of a length (LP) of a side of the printing pattern perpendicular to the axis of the sliding direction of the squeegee to an internal size (LF) of a side of the printing plate frame perpendicular to the axis of the sliding direction of the squeegee is 0.45 or more, and an optimum clearance between the printing material and the screen printing plate is then selected and set on the basis of the correlation between the clearance and the degree of deviation in printing position of the print pattern.

Abstract: A screen printing system includes a screen made of a porous material and an adjustable variable pressure squeegee having a squeegee blade. The squeegee blade has a first edge for contacting the screen and pushing an ink medium deposited on the screen through a print area of the screen. The squeegee blade has a second edge retained in a holder. The holder has a compliant member configured to distribute a downward force applied to a point on the compliant member along a length of the squeegee blade in order to maintain contact between the first edge and the screen along the length of the squeegee blade.

Abstract: The present invention provides a pre-packaged kit and a method for creating unique multi-toned custom patterns or camouflage on a surface, and in particular the surfaces of a firearm. The multi-toned custom patterns or camouflage are created by separating or peeling off pre-cut stencil/templates from sheet or roll stock adhesive backed masking material and applying the stencil/templates to a surface. The surface is subsequently sprayed with coatings, finishers and sealants. Additional layers of stencil/templates are then added and sprayed with various colors or tones of coatings, finishers and sealants to complete the desired effect on the firearm surface.

Abstract: Controlled depositing of a printing material on a substrate is provided. A stencil is disposed adjacent to the substrate. The stencil includes a number of apertures to allow printing material to pass therethrough. Printing material is deposited onto and spread across the stencil with a squeegee blade. To increase the volume of printing material over a set of selected apertures, the squeegee blade includes a printing edge having a profile feature.

Abstract: A method to form a thick layer by screen printing and a method to form a piezoelectric actuator of an inkjet head. The method to form the thick layer including forming a guide groove in a surface to a predetermined depth, and forming the thick layer by applying a material to the surface inside the guide groove through screen printing. The method to form the piezoelectric actuator including forming an insulating layer on a top surface of a vibration plate and forming a guide groove in the top surface of the vibration plate or an insulating layer to a predetermined depth at a position corresponding to each of a plurality of pressure chambers, forming a lower electrode on the top surface of the insulating layer; forming a piezoelectric layer inside the guide groove by screen printing, and forming an upper electrode on a top surface of the piezoelectric layer.

Abstract: Disclosed herein is an apparatus for depositing viscous material on an electronic substrate. The apparatus comprises a frame, an assembly material applicator coupled to the frame and configured to apply assembly material to the electronic substrate, a substrate support assembly, coupled to the frame, configured to support and secure the electronic substrate in a material application position, and a transport system, coupled to the frame, to shuttle electronic substrates to and from the substrate support assembly, the transport system including an upper track and a lower track disposed below the upper track.

Abstract: Disclosed herein is a modular printing system for printing viscous material on electronic substrates. The modular printing system comprises a first stencil printer including a substrate support assembly including a support configured to support and secure the electronic substrate in a print position, and a first system configured to shuttle electronic substrates to and from the first support of the first substrate support assembly, the first system including an upper track and a lower track disposed below the upper track, and at least one second stencil printer including a second substrate support assembly including a support configured to support and secure the electronic substrate in a print position, and a system configured to shuttle electronic substrates to and from the support of the second substrate support assembly, the system including a at least one upper track and a lower track disposed below the upper track.

Abstract: In printing of a bonding material in which a board is supported from a component mounting-side surface on which a plurality of components are mounted, and a bonding material is printed on a working-side surface which is a surface opposed to the component mounting-side surface of the board, an edge portion region of the board supported by a board transporting unit is included in a support region of the board during the printing so as to enlarge the support region of the board having the components mounted thereon in high density and to achieve reliable and high precision printing of the bonding material.

Abstract: A screen protector for use on a mesh screen in a screen printing process can include a layer of protective material such as a polyester film, and a pressure sensitive adhesive on a surface of the polymeric film for adhering the layer to the mesh screen. The screen protector supports the mesh screen and helps prevent premature fraying of the screen. The adhesive can be an acrylic based pressure sensitive adhesive that substantially retains its adhesion properties when in contact with ink. The protector remains substantially attached to the mesh screen when in contact with ink, and therefore no filler material is needed.

Abstract: A garment, a region of which has on a first side a design for coloring-in, the region of the garment having on the reverse side thereof a removable backing to hold the material of the garment in place while coloring-in is carried out. The removable backing has a material that can be folded without creasing.

Abstract: A design and process are provided in which a thermosetting adhesive layer is applied as a slurry to a flocked surface.

Abstract: A method of making a book including interconnected electrical components, the method comprising the step of applying a conductive ink to a sheet of material to define a conductive track on the sheet from a point on the surface of the sheet to edge of the sheet such that the conductive track extends beyond the edge of the sheet generally in the plain of the sheet to form an electrical connection point.

Abstract: A screen mask cleaning apparatus including an upper wiping sheet for cleaning the upper surface of a screen mask in which the upper wiping sheet is brought into contact only by its own weight with the upper surface of the screen mask, and a screen mask cleaning method performed by using the screen mask cleaning apparatus.

Abstract: A synchronous control method and apparatus for a rotary stencil printing press individually drive a rotary screen cylinder by a dedicated drive motor, can set how many rotations have been made before arrival of a sheet at a screen printing unit when synchronous control of the drive motor with respect to a prime motor of a sheet-fed offset printing press is started, and stop the rotation of the rotary screen cylinder until the start of the synchronous control.

Abstract: A controller reads out image data of an area frame that a user has drawn on an original and accurately extracts the area frame by removing noise from the read-out image data to divide image data of an area outside the area frame and image data of an area inside the area frame into separate stencils, according to a separation program. It is therefore possible to execute a separation process desired by the user without increasing costs and man-hours and with easy operations not making the user feel troublesome.

Abstract: In a method for the production of a solar cell, a flat aluminium layer is applied to the back of a solar cell substrate. The aluminium is alloyed into the silicon substrate by the effect of the temperature and forms an aluminium BSF. The remaining aluminium that has not been alloyed into the silicon is subsequently removed. The aluminium BSF is transparent to light.