A method of manufacturing an image array for an optical device, comprising: (a) generating a plurality of different mask images by, for each of at least two different images, the at least two images collectively including parts in at least two different colours: (a1) providing a pixelated version of the image comprising a plurality of image pixels, each image pixel exhibiting a uniform colour; (a2) for each image pixel of the pixelated image, creating a corresponding mask pixel based on the colour of the respective image pixel, each mask pixel comprising an arrangement of one or more mask regions and/or one or more void regions, different arrangements of the one or more mask regions and/or one or more void regions in different ones of the mask pixels defining different respective colours; (a3) arranging the mask pixels in accordance with the positions of their corresponding image pixels in the pixelated image to form a mask image; (b) interlacing the plurality of different mask images, by dividing each mask image into elongate image slices extending along a first direction, selecting a subset of image slices from each mask image, and arranging the selected image slices from all of the mask images to form an interlaced mask image in which the image slices from each respective mask image alternate with one another periodically along a second direction which is substantially orthogonal to the first direction; then, in any order or simultaneously: (c) forming a mask layer comprising a masking material which is patterned in accordance with the interlaced mask image; and (d) forming a colour layer comprising elongate strips of at least two different colours which alternate with one another periodically in the first direction, the elongate strips extending along the second direction; wherein the mask layer and the colour layer are arranged to overlap one another, whereby the void regions of the mask pixels in the mask layer reveal portions of the colour layer such that, in combination, the mask layer and the colour layer form a multi-coloured image array exhibiting versions of the at least two images interlaced with one another.

A security device includes an array of image icon elements and an array of image icon focusing elements, wherein the array of image icon elements and the array of image icon focusing elements are disposed relative to each other such that the security device projects a synthetic image along a viewing angle and wherein the security device is configured to physically degrade when exposed to temperatures above an anti-harvesting temperature, the anti-harvesting temperature being lower than a harvesting temperature of a coupling between the security device and a substrate.

An information processing apparatus generates data for forming a layer of ink to be cured by being irradiated with an ultraviolet ray, on an uneven portion formed on a recording medium using ink to be cured by being irradiated with an ultraviolet ray, and the information processing apparatus includes an acquisition unit configured to acquire first data that has information corresponding to a depth of a groove to be generated on a surface of the uneven portion in a case where the uneven portion is formed on the recording medium, and a generation unit configured to generate second data that represents a number of lamination times of ink or a recording amount of ink for forming the layer of ink, based on the first data.

An information processing apparatus generates data for forming a layer of ink to be cured by being irradiated with an ultraviolet ray, on an uneven portion formed on a recording medium using ink to be cured by being irradiated with an ultraviolet ray, and the information processing apparatus includes an acquisition unit configured to acquire first data that has information corresponding to a depth of a groove to be generated on a surface of the uneven portion in a case where the uneven portion is formed on the recording medium, and a generation unit configured to generate second data that represents a number of lamination times of ink or a recording amount of ink for forming the layer of ink, based on the first data.

A process of simply, cheaply, and reproducibly creating complex tissue models using screen printing and the tissue model prepared using the screen printing process. These models are amenable to high throughput screening. They will allow the study of components of disease progression and can be used for screening therapies.

A process of simply, cheaply, and reproducibly creating complex tissue models using screen printing and the tissue model prepared using the screen printing process. These models are amenable to high throughput screening. They will allow the study of components of disease progression and can be used for screening therapies.

A method and an apparatus for forming a surface relief microstructure, especially an optically variable image on a paper substrate are provided, the method comprising the steps of: A) applying a curable composition to at least a portion of the frontside of the paper substrate; B) contacting at least a portion of the curable composition with surface relief microstructure, especially optically variable image forming means; C) curing the composition by using at least one UV lamp (1, 2, 3) which is arranged on the backside of the paper substrate; D) optionally depositing a layer of a transparent high refractive index material and/or a metallic layer on at least a portion of the cured composition, wherein the lamp (1, 2, 3) having emission peak(s) in the UV-A and near VIS range and the curable composition comprises at least a photoinitiator which absorbs in the UV-A region and preferably in the near VIS range. A paper product obtainable uses the method and an apparatus for forming a surface relief microstructure on a paper substrate. Surface relief microstructures, such as holograms may be replicated rapidly and with accuracy on a paper substrate by using the method and the apparatus.

Printed matter having a continuous color pattern, such as a high-definition fine printed design pattern. The printed matter has a printed portion on a surface of a printing substrate. The printed portion is formed of an ink and visually recognized as a continuous color pattern. Further, the printed portion is constituted of a combination of a plurality of lines each being formed of an ink and having a line width of 100 m or less. Of the plurality of lines, two adjacent lines have a spacing there between which is 50 times or less the line width of the line that is the narrower one of the two lines defining the spacing.

Printed matter having a continuous color pattern, such as a high-definition fine printed design pattern. The printed matter has a printed portion on a surface of a printing substrate. The printed portion is formed of an ink and visually recognized as a continuous color pattern. Further, the printed portion is constituted of a combination of a plurality of lines each being formed of an ink and having a line width of 100 m or less. Of the plurality of lines, two adjacent lines have a spacing there between which is 50 times or less the line width of the line that is the narrower one of the two lines defining the spacing.

A system and related methods for high-resolution digital printing on textured wood-based substrates, including, but not limited to, plywood, wood planks, oriented-strand board (OSB), laminated strand lumber (LSL), laminated veneer lumber (LVL), paper board, and various forms of engineered wood. A high resolution scan of the board or image to be duplicated is obtained and stored electronically. It may be modified with the addition of custom images. The image is then printed on one or more substrates in a production line. Physical texture and depth may be added by varying the thickness of the ink applied.