摘要:
A security device (2) including a substantially transparent material (6) having a first side and a second side. An array of lenses (4) is arranged on the first side of the material (6) and an ablative layer (8), which is reflective or at least partially opaque, is arranged on the second side of the material. The ablative layer has one or more patterns (12, 16) formed by removal of the ablative layer, for example by laser radiation (10, 14). The or each pattern (12, 16) is viewable at a particular viewing angle (&thetas;, &phgr;) or range of angles through the array of lenses. Also disclosed is a method of manufacturing a security device.
摘要:
The invention relates to a multi-layered film element (1 ) and to a method for producing said type of film element. Said multi-layered film element (1) comprises at least one flexible dielectric layer (16) and one or more electrically conductive layers (15, 17), respectively made of an electrically conductive material. The layer thickness of the electrically conductive layer or the electrically conductive layers is less than 20 μm. The electrically conductive layer or the electrically conductive layers are patterned for forming two or more conductive structures that are coupled together to an antenna structure that is galvanically connected to an electric circuit (19).
摘要:
Microparticles (8) includes an optical substrate (10) having at least one diffraction grating (12) disposed therein. The grating (12) having a plurality of colocated pitches Λ which represent a unique identification digital code that is detected when illuminated by incident light (24). The incident light (24) may be directed transversely from the side of the substrate (10) with a narrow band (single wavelength) or multiple wavelength source, in which case the code is represented by a spatial distribution of light or a wavelength spectrum, respectively. The code may be digital binary or may be other numerical bases. The micro-particles (8) can provide a large number of unique codes, e.g., greater than 67 million codes, and can withstand harsh environments. The microparticles (8) are functionalized by coating them with a material/substance of interest, which are then used to perform multiplexed experiments involving chemical processes, e.g., DNA testing and combinatorial chemistry.
摘要:
The invention relates to a code support (60a, 60b) adapted to be associated with or part of a capsule intended for delivering a beverage in a beverage producing device by centrifugation of the capsule. The support comprises a code formed by at least a first sequence of symbols and a second sequence of symbols. The code is represented on the support so that each symbol is sequentially readable by a reading arrangement (100) of an external reading device while the capsule is driven in rotation along an axis of rotation (Z). The first sequence comprises at least one first preamble sequence of symbols, and at least one first data sequence of symbols. The second sequence comprises at least one second preamble sequence of symbols and at least one second data sequence of symbols. The first preamble sequence is distinct from the second preamble sequence.
摘要:
An integrated circuit enclosed retroreflective product which comprises an integrated circuit module (5) having built-in integrated circuit(s), a retroreflective element (3), and their carrier layer(s).