The present invention relates to a method for manufacturing structural layers for guiding liquid flow on a porous substrate, by printing onto at least one area of at least one surface of the substrate a printing solution containing an aqueous dispersion of a poly(lactic acid)-based copolymer.

An object is to provide a transparent screen which can clearly project and display an image without degradation of transmission visibility and a method for manufacturing the transparent screen.

A thin film 4 in which a large number of regular hexagonal hole portions 3 that are identical to each other are opened, in a transparent sheet 2, in a web-like manner is applied to a transparent screen 1. The regular hexagonal hole portions 3 are segmented with web-like line portions 6 formed by connecting the sides 5 of the adjacent regular hexagonal hole portions 3 so as to have an even width, image light projected from a projector 7 is reflected off the web-like line portions 6 and is shown on the transparent screen 1 and a background on the back surface side of the transparent screen 1 can be visually recognized through the regular hexagonal hole portions 3.

A sheet generator circuit is described. The sheet generator includes electronic circuitry to receive a line group of image data including multiple rows of data from a frame of image data. The multiple rows are sufficient in number to encompass multiple neighboring overlapping stencils. The electronic circuitry is to parse the line group into a smaller sized sheet. The electronic circuitry is to load the sheet into a data computation unit having a two dimensional shift array structure coupled to an array of processors.

A screen printing device includes a printing work part; a mask storage part including a plurality of accommodating sections each capable of accommodating a screen mask; a transfer device that transfers the screen mask between each of the accommodating sections and the printing work part; a pair of first guide members that is disposed in the printing work part, and guides the screen mask during the transfer, the pair of first guide members having a variable interval; a pair of second guide members that is disposed in the accommodating sections, and guides the screen mask during the transfer; and a guide width determination device that determines whether or not the interval between the pair of first guide members coincides with the interval between the pair of second guide members.

A sheet generator circuit is described. The sheet generator includes electronic circuitry to receive a line group of image data including multiple rows of data from a frame of image data. The multiple rows are sufficient in number to encompass multiple neighboring overlapping stencils. The electronic circuitry is to parse the line group into a smaller sized sheet. The electronic circuitry is to load the sheet into a data computation unit having a two dimensional shift array structure coupled to an array of processors.

A screen printing device includes a printing work part; a mask storage part including a plurality of accommodating sections each capable of accommodating a screen mask; a transfer device that transfers the screen mask between each of the accommodating sections and the printing work part; a pair of first guide members that is disposed in the printing work part, and guides the screen mask during the transfer, the pair of first guide members having a variable interval; a pair of second guide members that is disposed in the accommodating sections, and guides the screen mask during the transfer; and a guide width determination device that determines whether or not the interval between the pair of first guide members coincides with the interval between the pair of second guide members.

The present invention relates to a method for manufacturing structural layers for guiding liquid flow on a porous substrate, by printing onto at least one area of at least one surface of the substrate a printing solution containing an aqueous dispersion of a poly(lactic acid)-based copolymer.

A sheet generator circuit is described. The sheet generator includes electronic circuitry to receive a line group of image data including multiple rows of data from a frame of image data. The multiple rows are sufficient in number to encompass multiple neighboring overlapping stencils. The electronic circuitry is to parse the line group into a smaller sized sheet. The electronic circuitry is to load the sheet into a data computation unit having a two dimensional shift array structure coupled to an array of processors.

A sheet generator circuit is described. The sheet generator includes electronic circuitry to receive a line group of image data including multiple rows of data from a frame of image data. The multiple rows are sufficient in number to encompass multiple neighboring overlapping stencils. The electronic circuitry is to parse the line group into a smaller sized sheet. The electronic circuitry is to load the sheet into a data computation unit having a two dimensional shift array structure coupled to an array of processors.

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.