Patent application number | Description | Published |
20080278815 | ISOTROPIC ZERO-ORDER DIFFRACTIVE FILTER - The present invention relates to an isotropic zero-order diffractive colour filter, to a method to manufacture an embossing tool and to a method to manufacture such a filter. | 11-13-2008 |
20090038683 | Method and Apparatus for Patterning a Conductive Layer, and a Device Produced Thereby - A device is fabricated by a method in which a conductive layer or layer stack is formed over a compressible layer or layer stack, and contacted with an embossing tool. Raised portions of the embossing tool compress the compressible layer or stack and countersink the conductive layer or stack into the compressible layer or stack. | 02-12-2009 |
20090257126 | ZERO-ORDER DIFFRACTIVE PIGMENTS - The present invention relates to pigments comprising or consisting of a layer made of a material with an index of refraction that is higher than the index of refraction of the adjacent material by at least 0.25; whereas said layer has a zero-order diffractive micro-structure; whereas said layer acts as an optical waveguide and whereas said layer has a thickness between 50 nm and 500 nm; to processes for its manufacture and to its use. These pigments show a colour effect upon rotation and/or tilting, and it is believed that this colour effect is based on zero-order diffraction. | 10-15-2009 |
20090263071 | Optical environmental sensor and method for the manufacturing of the sensor - A sensor which reacts on influences from an environment. The sensor includes a zero-order diffractive color filter. The zero-order diffractive color filter includes a high-index waveguide layer, a zero-order diffractive grating structure and a layer of an reactive material, wherein the reactive material is in contact with the environment and wherein the reactive material changes its optical properties upon interaction with the environment. The reactive material is embedded in the waveguide layer and/or the reactive material is located at a maximum distance d from the waveguide layer. The distancing is effected by an intra layer having a low index of refraction. | 10-22-2009 |
20100148159 | METHOD FOR FORMING A PATTERN ON A SUBSTRATE AND ELECTRONIC DEVICE FORMED THEREBY - The invention relates to a method for forming a pattern on a substrate (S) with an upper surface and a lower surface which comprises the steps of depositing a first layer (E | 06-17-2010 |
20100315713 | ZERO-ORDER DIFFRACTIVE FILTER AND METHOD FOR MANUFACTURING THEREOF - The present invention discloses a method for manufacturing a zero-order diffractive filter comprising a high-index material having an upper surface and a lower surface. The high-index material is positioned between a first low-index matter and a second low-index matter; the lower surface is adjacent to said first low-index matter and the upper surface is adjacent to the second low-index matter. Moreover, the high-index material has an index of refraction that is higher than the index of refraction of both said first low-index matter and said second low-index matter. The method comprises at least the following procedure: selectively providing, by employing at least one wet-coating technique, at least one of the following at least partially: the high-index material onto said first low-index matter. | 12-16-2010 |
20110008399 | USE OF ZERO-ORDER DIFFRACTIVE PIGMENTS - The present invention relates to compositions such as coatings, printing inks or cosmetics, which contain pigments comprising or consisting of a layer made of a material with an index of refraction that is higher than the index of refraction of the adjacent material by at least 0.25; whereas said layer has a zero-order diffractive micro-structure; whereas said layer acts as an optical waveguide and whereas said layer has a thickness between 50 nm and 500 nm; to processes for its manufacture and to its use. These pigments show a colour effect upon rotation and/or tilting, and it is believed that this colour effect is based on zero-order diffraction. | 01-13-2011 |
20110317268 | ZERO-ORDER DIFFRACTIVE PIGMENTS - The present invention relates to pigments comprising or consisting of a layer made of a material with an index of refraction that is higher than the index of refraction of the adjacent material by at least 0.25; whereas said layer has a zero-order diffractive micro-structure; whereas said layer acts as an optical waveguide and whereas said layer has a thickness between 50 nm and 500 nm; to processes for its manufacture and to its use. These pigments show a colour effect upon rotation and/or tilting, and it is believed that this colour effect is based on zero-order diffraction. | 12-29-2011 |
20120162770 | ISOTROPIC OPTICAL FILTER AND METHOD OF MANUFACTURING THEREOF - The present invention discloses an isotropic optical filter comprising high-index refraction material positioned between low-index-refraction matter. At least some of the high-index refraction material has a grated structure and lateral and vertical dimensions with respect to the low-index-refraction matter such that the high-index refraction material is operative to act as a leaky waveguide for light incident on the ZOF. The grated structure comprises at least two different grating patterns. Each of the at least two grating patterns constitutes a subpixel. A plurality of subpixels is operative to diffract incident light to at least two zero-order wavelength spectra respective of the at least two grating patterns such to exhibit an isotropic colour effect with respect to the rotational orientation of the isotropic optical filter. The plurality of subpixels constitute an isotropic pixel | 06-28-2012 |
20120162771 | PIXELATED OPTICAL FILTER AND METHOD FOR MANUFACTURING THEREOF - The present invention discloses a pixelated optical filter comprising high-index refraction material positioned between low-index-refraction matter. At least some of the high-index refraction material has a grated structure and lateral and vertical dimensions with respect to the low-index-refraction matter such that the high-index refraction material is operative to act as a leaky waveguide for light incident on the pixelated optical filter. The grated structure comprises a plurality of at least one grating pattern that is planarly bounded. Each of the plurality of at least one grating pattern constitutes a subpixel. A plurality of subpixels is operative to diffract incident light to at least one zero-order wavelength spectrum respective of the at least one grating pattern. Additional and alternative embodiments are disclosed and claimed. | 06-28-2012 |
20140037898 | MULTI-LAYER BODY - The invention relates to a multi-layer body ( | 02-06-2014 |
20140218663 | Multi-Layered Foil Body - The invention relates to a multi-layered foil body ( | 08-07-2014 |
20140300095 | Security Element - The invention relates to a security element ( | 10-09-2014 |
20140312607 | Security Element - The invention relates to a security element ( | 10-23-2014 |
20140346766 | Optically Variable Element - The invention relates to an optically variable element as well as a method for the production thereof. In a first area the optically variable element has at least one first color region which in the event of illumination generates a color dependent on the angle of observation and/or angle of illumination. The first color region has two or more zones ( | 11-27-2014 |
Patent application number | Description | Published |
20080199406 | Verification Method - The present invention relates to a verification method of tablets, in particular pharmaceutical tablets. It further relates to an invisible secure marking or information which is a part of such tablet. The invention further relates to tablets suitable for such verification method, to processes for manufacturing such tablets and methods for reading the information. | 08-21-2008 |
20080225391 | Zero-order diffractive filter - A Zero-order diffractive filter comprising a first layer ( | 09-18-2008 |
20080259455 | Nano-structured zero-order diffractive filter - A zero order diffractive filter for polarised or unpolarised polychromatic light, comprises a grating line ( | 10-23-2008 |
20090008925 | SECURITY DEVICE FOR THE IDENTIFICATION OR AUTHENTICATION OF GOODS AND METHOD FOR SECURING GOODS USING SUCH A SECURITY DEVICE - A security device for the identification or authentication of goods is described. It comprises a stochastic pattern comprising structures having an average lateral structure size d and arranged such that an image of at least a part of the security device, when treated through 2D Fourier transformation and calculation of a corresponding Power Spectrum Density, may lead to a peak, in a spatial-frequency domain, having a position in this domain correlated to d and a size distribution value w which, when inverted, is correlated to a size distribution of the structures. The value w according to the invention is smaller than 2/d, so that when directing a coherent light beam on at least part of the structures a ring-shaped scattering speckle pattern is formed, on the basis of which d and w may be calculated to implement identification or authentication of the device. | 01-08-2009 |
20100143467 | Pharmaceutical tablets with diffractive microstructure and compression tools for producing such tablets | 06-10-2010 |
20130044375 | Security Device With A Zero-Order Diffractive Microstructure - A security Device comprises a zero order diffractive microstructure ( | 02-21-2013 |
20130301131 | Security Device With a Zero-Order Diffractive Microstructure - A security Device comprises a zero order diffractive microstructure ( | 11-14-2013 |
Patent application number | Description | Published |
20090129854 | ASSEMBLY COMPRISING A CARRIER PART AND A BALL JOINT HOUSING - An assembly comprises a carrier part and a ball joint housing. The housing is provided with an attachment projection which is formed integrally with the housing on an outer surface of the housing. The carrier part is formed as a double-layer structure, and the attachment projection is held between two layers of the carrier part. | 05-21-2009 |
20120170969 | Ball Joint - The invention relates to a ball joint, including a joint housing having a recess, a ball stud having a ball head, a sealing bellows having a sealing seat on the housing side and a sealing seat on the stud side in the form of a bellows mouth which is adapted to be brought into contact with the ball stud, a bellows body of the sealing bellows extending between the sealing seat on the housing side and the bellows mouth, and further including a joint socket, the ball head being accommodated for swiveling motion within the joint socket, and the joint socket being inserted in the recess of the joint housing. | 07-05-2012 |
20120301214 | Ball Joint - The invention relates to a ball joint which comprises a joint housing, a bearing shell received in the joint housing, and a ball stud having a ball head arranged for pivoting movement in the bearing shell. The ball head is prestressed by a spring system substantially in the direction of a longitudinal axis of the ball stud against the joint housing. The spring system is composed of spring elements connected in parallel and/or in series, at least one spring element of the spring system being made of a polymer material or of an elastomer material. | 11-29-2012 |
20140212205 | Joint Housing of a Ball Joint as well as Method for Mounting the Joint Housing on a Carrier Element - A joint housing of a ball joint comprises a sheet-metal part for accommodating a ball head, which is substantially rotationally symmetrical with respect to a joint axis and includes a circumferential wall portion, wherein the circumferential wall portion includes a housing opening at an axial end, through which a joint pin can extend, wherein the sheet-metal part is formed with two layers at this axial end of the circumferential wall portion. | 07-31-2014 |