A printing screen for printing deposits of a print medium onto workpieces, the printing screen comprising a sheet in which a pattern of printing apertures are formed to allow for printing of a pattern of deposits onto a workpiece, and a waveguide which can be driven to induce an ultrasonic vibration in the sheet, wherein the waveguide comprises an elongate body at a surface of the sheet which at least partially surrounds the pattern of printing apertures.

The present invention relates to devices, methods, and kits for applying stencil patterns to surfaces, particularly to surfaces made of fabric or fabric-like materials.

The present invention relates to devices, methods, and kits for applying stencil patterns to surfaces, particularly to surfaces made of fabric or fabric-like materials.

A system or machine is disclosed which takes pre-stretched emulsion coated screens, digitally prints thereon and exposes them before further processing and use in a screen printing machine.

A printing method that carries out printing using a mesh screen, which is a screen gauze including multiple holes, is provided. The printing method includes: a covering process of covering one surface of the mesh screen with a covering member; an entering process of entering the covering member to at least a middle of the hole from a side of the one surface with respect to the multiple holes of the mesh screen; a mask forming process of ejecting a mask forming liquid used to form a mask that covers one part of an other surface of the mesh screen from an ejection head, to form the mask; a peeling process of peeling the covering member from the mesh screen; and a print executing process of printing an image corresponding to a pattern of the mask on the medium using the mesh screen and the printing ink.

A metal wire includes tungsten or a tungsten alloy. The metal wire has a diameter of at most 13 ?m, a tensile strength of at least 4.8 GPa, and a natural hanging length per 1000 mm of at least 800 mm.

A metal wire includes tungsten or a tungsten alloy. The metal wire has a diameter of at most 13 ?m, a tensile strength of at least 4.8 GPa, and a natural hanging length per 1000 mm of at least 800 mm.

A screen-printing screen for printing electrically conductive patterns on glass sheets, includes a main mask, the aperture size of the main mask being larger in a lateral portion than in the central portion, the screen furthermore including, in at least one double-mask zone, located in the central portion, at least one secondary mask fastened to a face of the main mask, the aperture size of the or each secondary mask being larger than the aperture size of the main mask in the central portion, and the mesh of the or each secondary mask making, with the mesh of the main mask, an angle ? comprised between 1 and 89?.

Disclosed herein is a print screen unit. The print screen unit has a structure in which the connection member is positioned to be slanted at a predetermined angle when the print screen is fitted to an interface unit, such that, as tensile force is applied to the print screen, the engagement state of engaging apertures of the print screen and engaging protrusions of the connection member moves toward the coupling direction thereof so as to further increase coupling force therebetween, and the print screen unit has a structure in which, when each of corner pieces is fitted into and connected to each of end portions of the interface unit, a connection surface area increases so as to bring three surfaces of the inside of the interface unit into close contact with a first and a second piece member.

A screen mask assembly includes: a mask frame; a screen mask on the mask frame, the screen mask having a plurality of paste openings; and a plurality of paste blocking portions on the screen mask.