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Dries

Dries Beyens, Kinrooi BE

Patent application numberDescriptionPublished
20110308319Measuring probes for measuring and taking samples with a metal melt - A measuring probe is provided for measuring and taking samples in a metal melt. The probe has a measuring head arranged on a lance, wherein the measuring head carries at least a temperature sensor and a sampling chamber, and wherein the sampling chamber is surrounded, at least partially, by the measuring head and includes an intake duct that extends through the measuring head. The intake duct includes an inner section, which extends in the measuring head and has a length L and a minimum diameter D at least at one site in the inner section. The ratio L/D12-22-2011

Dries Brouckaert, Gullegem BE

Patent application numberDescriptionPublished
20120012248METHOD FOR MANUFACTURING FLOOR PANELS, AS WELL AS FLOOR PANEL OBTAINED BY MEANS OF SUCH METHOD - Method for manufacturing floor panels having a top layer having a composition based on a synthetic material. At least at two opposite sides, the floor panels have profiled edge areas that include at least coupling parts. For manufacturing the floor panels, one starts from a board-shaped material, and the floor panels are formed at least partially by way of a laser treatment of the board-shaped material.01-19-2012

Dries Dictus, Kessel-Io BE

Patent application numberDescriptionPublished
20090011147PHOTON INDUCED FORMATION OF METAL COMPRISING ELONGATED NANOSTRUCTURES - The preferred embodiments provide a method for forming at least one metal comprising elongated nanostructure on a substrate. The method comprises exposing a metal halide compound surface to a photon comprising ambient to initiate formation of the at least one metal comprising elongated nanostructure. The preferred embodiments also provide metal comprising elongated nanostructures obtained by the method according to preferred embodiments.01-08-2009

Dries Dictus, Kessel-Lo BE

Patent application numberDescriptionPublished
20090011604PHOTON INDUCED REMOVAL OF COPPER - Preferred embodiments provide a method for removing at least part of a copper comprising layer from a substrate, the substrate comprising at least a copper comprising surface layer. The method comprises in a first reaction chamber converting at least part of the copper comprising surface layer into a copper halide surface layer and in a second reaction chamber removing at least part of the copper halide surface layer by exposing it to a photon comprising ambient, thereby initiating formation of volatile copper halide products. During exposure to the photon comprising ambient, the method furthermore comprises removing the volatile copper halide products from the second reaction chamber to avoid saturation of the volatile copper halide products in the second reaction chamber. The method according to preferred embodiments may be used to pattern copper comprising layers. For example, the method according to preferred embodiments may be used to form copper comprising interconnect structures in a semiconductor device.01-08-2009
20090173359PHOTON INDUCED CLEANING OF A REACTION CHAMBER - The present invention provides a method for in-situ cleaning of walls of a reaction chamber, e.g. reactive ion etching chamber, to remove contamination, e.g. copper comprising contamination from the walls. The method comprises converting the contamination, e.g. copper comprising contamination into a halide compound, e.g. copper halide compound and exposing the halide compound, e.g. copper halide compound to a photon comprising ambient, thereby initiating formation of volatile halide products, e.g. volatile copper halide products. The method furthermore comprises removing the volatile halide products, e.g. volatile copper halide products from the reaction chamber to avoid saturation of the volatile halide products, e.g. volatile copper halide products in the reaction chamber in order to avoid re-deposition of the volatile halide products, e.g. volatile copper halide products to the walls of the reaction chamber.07-09-2009

Dries Hauspie, Diksmuide BE

Patent application numberDescriptionPublished
20090015343Voltage Controlled Oscillator (VCO) With Simultaneous Switching Of Frequency Band, Oscillation Core And Varactor Size - The invention relates to a voltage controlled oscillator for generating a variable frequency. The oscillator comprises an oscillator core and a transconductive portion for compensating current losses in the oscillator core. The oscillator core comprises an inductive portion with at least one inductive element and a capacitive portion whose capacitance can be continuously varied by means of a control voltage for varying said frequency. The capacitive portion comprises multiple variable capacitive elements whose capacitance is continuously variable by means of said control voltage, each variable capacitive element being switchable for being added to or removed from the capacitive portion.01-15-2009

Dries Vanoverberghe, Redmond, WA US

Patent application numberDescriptionPublished
20100083233Symbolic Runtime Checking of Quantified Contracts - An extension of symbolic execution for programs involving contracts with quantifiers over large and potentially unbounded domains is described. Symbolic execution is used to generate, from a program, concrete test cases that exhibit mismatches between the program code and its contracts with quantifiers. Quantifiers are instantiated using symbolic values encountered during a set of exhibited runs. In this setting, quantifier instantiation is limited to values supplied to or produced by a symbolic execution. Quantifier instantiation is controlled by performing a matching algorithm that uses run-time values of input and program variables in order to guide and limit the set of quantifier instantiations. With a sufficient set of instances, test cases are derived that directly witness limitations of the auxiliary assertions.04-01-2010

Dries Van Thourhout, Gent BE

Patent application numberDescriptionPublished
20100119229METHOD AND SYSTEM FOR MULTIPLEXER WAVEGUIDE COUPLING - An optical device for optically multiplexing or demultiplexing light of different predetermined wavelengths is provided, the optical device comprising at least one first waveguide (05-13-2010
20100189402Method for Effective Refractive Index Trimming of Optical Waveguiding Structures and Optical Waveguiding Structures - A method for trimming an effective refractive index of optical waveguiding structures made for example in a high refractive index contrast material system. By compaction of cladding material in a compaction area next to patterns or ridges that are formed in the core material for realizing an optical waveguiding structure, the effective index of refraction of the optical waveguiding structure can be trimmed. Thus, the operating wavelength of an optical component comprising such an optical waveguiding structure can be trimmed. An optical waveguide structure thus obtained is also disclosed.07-29-2010
20100278484Waveguide Coupling Probe and Methods for Manufacturing Same - A waveguide coupling probe (11-04-2010
20100322555Grating Structures for Simultaneous Coupling to TE and TM Waveguide Modes - Disclosed are an integrated optical coupler, and a method of optically coupling light, between an optical element and at least one integrated optical waveguide. The optical coupler includes a grating structure and is adapted for coupling light to waveguide modes with different polarization with low polarization dependent loss. For example, polarization dependent loss may be smaller than 0.5 dB. The waveguide modes may include a Transverse Electric (TE) waveguide mode and a Transverse Magnetic (TM) waveguide mode. The optical coupler may further include a two-dimensional grating structure adapted for providing polarization splitting for a first optical signal of a first predetermined wavelength and for coupling both polarizations forward or backward.12-23-2010
20110013874Method for Effective Refractive Index Trimming of Optical Waveguiding Structures and Optical Waveguiding Structures - A method for trimming an effective refractive index of optical waveguiding structures made for example in a high refractive index contrast material system. By compaction of cladding material in a compaction area next to patterns or ridges that are formed in the core material for realizing an optical waveguiding structure, the effective index of refraction of the optical waveguiding structure can be trimmed. Thus, the operating wavelength of an optical component comprising such an optical waveguiding structure can be trimmed. An optical waveguide structure thus obtained is also disclosed. 01-20-2011
20110075970Integrated Photonics Device - The present invention relates to an integrated photonic device (03-31-2011

Patent applications by Dries Van Thourhout, Gent BE