Patents Assigned to Valtion teknillinen Tutkimuskeskus
  • Composites Containing Acrylate Hybride Resin Based On Natural Fatty Acids
    Publication number: 20090258971
    Abstract: The invention relates to natural fatty acid based hybride resins, which have been modified with reactive monomers, such as acrylates, and especially to their use as binding agents and compatibilisators in combination products such as composites, as well as to composites containing them and to a method for the manufacture of the composites. The combination product comprises 1-50 weight-%, calculated from the dry matter, of a natural fatty acid based acrylate hybride resin, either as such or as an aqueous emulsion, and 99-50 weight-% of cellulose, wood, linen, hemp, starch or other natural fibre material or a combination thereof.
    Type: Application
    Filed: March 2, 2007
    Publication date: October 15, 2009
    Applicant: Valtion teknillinen tutkimuskeskus
    Inventors: Nina Heiskanen, Pia Willberg, Salme Koskimies, Janne Hulkko, Pirita Ushanov, Sirkka-Liisa Maunu
  • Starch-Based Filler and Coating Pigment Composition for Fibre Webs and Method for the Manufacture Thereof
    Publication number: 20090255441
    Abstract: A material which is suitable as filler or coating pigment for a fibrous web and a method for manufacturing thereof. According to the method, a feed comprising organic polymer material is cooled to at least approximately ?50° C., after which it is refined in a jet refiner to a desired particle size. The present invention generates uniform pigment particles which comprise, for instance, starch esters, and which particles have a porous surface structure, in which case they are suitable for instance as coating pigments and fillers for offset and ink-jet papers.
    Type: Application
    Filed: August 17, 2006
    Publication date: October 15, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Hannu Mikkonen, Mauno Miettinen, Kirsi Kataja, Saija Luukkanen, Soili Peltonen, Pia Qvintus-Leino
  • METHOD FOR SPRAY FORMING A METAL COMPONENT AND A SPRAY FORMED METAL COMPONENT
    Publication number: 20090220810
    Abstract: A method for spray forming a metal component (11, 17, 21, 27) having an elongated open channel (10, 20, 22, 28) therein comprises firstly spray forming a layer (8, 19, 24) of the desired metal onto a deposition substrate (2), placing then an elongated spray blocking object (9, 18, 26, 29) on the already sprayed layer for forming the channel, and continuing then the spray forming process until the desired total thickness of the component is achieved. According to the present invention, the spray blocking object is a strip (18, 26, 29), the cross-sectional profile of the strip being fully open in the direction of an axis (a) in a cross-sectional plane of the strip, and the strip is placed on the already deposited layer (8, 19, 24) with said axis directed substantially parallel to the direction of the incident metal spray (6).
    Type: Application
    Filed: August 30, 2006
    Publication date: September 3, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventor: Yunfeng Yang
  • Method for manufacturing micromechanical components
    Publication number: 20090206423
    Abstract: The present invention relates to a method for manufacturing an acceleration sensor. In the method, thin SOI-wafer structures are used, in which grooves are etched, the walls of which are oxidized. A thick layer of electrode material, covering all other material, is grown on top of the structures, after which the surface is ground and polished chemo-mechanically, thin release holes are etched in the structure, structural patterns are formed, and finally etching using a hydrofluoric acid solution is performed to release the structures intended to move and to open a capacitive gap.
    Type: Application
    Filed: June 2, 2006
    Publication date: August 20, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Jyrki Kiihamaki, Hannu Kattelus
  • METHOD OF FABRICATING GRAPHENE STRUCTURES ON SUBSTRATES
    Publication number: 20090200707
    Abstract: The present invention relates to fabrication of graphene structures having a predefined pattern. The invention provides a new method that comprises obtaining a body of highly oriented graphite (61) and patterning at least a surface layer of the body by removing the substance of the body outside the predefined pattern. Thereafter, the method comprises stamping a graphene structure (65) on the substrate (62) by pressing the patterned surface layer of the body (61) against the substrate (62). The invention provides also a stamp for the fabrication method.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 13, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Jani KIVIOJA, Tomi Haatainen, Jouni Ahopelto
  • NOVEL MICROBIAL ENZYMES AND THEIR USE
    Publication number: 20090203882
    Abstract: Extracellular tyrosinases obtainable from Trichoderma spp. and methods for producing them by recombinant technology. The enzymes are particularly useful in cross-linking food proteins.
    Type: Application
    Filed: February 9, 2006
    Publication date: August 13, 2009
    Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS
    Inventors: Kristiina Kruus, Emilia Selinheimo, Karin Autio, Johanna Buchert, Markku Saloheimo, Raija Lantto
  • INFORMATION MANAGEMENT TECHNIQUES FOR METABOLISM-RELATED DATA
    Publication number: 20090164133
    Abstract: A method for processing information on compounds of molecular classes sharing common building blocks. The method comprises maintaining pathway information on the compounds at individual compound level and/or generic class level (13-1); generating a diversity of the compounds based on a set of seed structures, each seed structure describing a lipid compound having a higher-than-average likelihood to occur in nature (13-2); using a formal description language to express the seed structures (13-3); using the structural elements to generate expected spectra for each compound, by using known experimental conditions for mass spectrometry (13-4); performing one or more spectroscopy experiments to obtain compound information (13-5); and linking the obtained compound information to existing information on the molecular classes (13-6).
    Type: Application
    Filed: May 9, 2007
    Publication date: June 25, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventor: Matej Oresic
  • Measurement System, Measurement Method and New Use of Antenna
    Publication number: 20090160612
    Abstract: The invention relates to a measuring system for detecting radio-frequency tags, a measuring method, and a new use for a leaky waveguide. The measuring system comprises a reading device and an antenna, which is connected to reading device for connecting to the tags. According to the invention, the antenna is a microstrip-type leaky waveguide having a length which is several times the operating wavelength of the tags. The invention permits reliable and precise RFID detection, for example, for a results service for sports events.
    Type: Application
    Filed: June 30, 2006
    Publication date: June 25, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Timo Varpula, Kaj Nummila, Kaarle Jaakkola, Pentti Lajunen
  • Bipolar plate, method for producing bipolar plate and PEM fuel cell
    Publication number: 20090142645
    Abstract: A bipolar plate made of a composition comprising at least an epoxy resin, graphite filler and a metal amine complex as a curing agent for the epoxy resin. The invention also relates to a method for producing a bipolar plate and to the use of the bipolar plates in PEM fuel cells.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Samu Aalto, Pertti Kauranen, Jari Ihonen, Pasi Kosonen
  • METHOD AND APPARATUS FOR DETERMINING THE TOPOGRAPHY AND OPTICAL PROPERTIES OF A MOVING SURFACE
    Publication number: 20090135434
    Abstract: The invention relates to a method and apparatus for determining the topography or optical properties of a moving subject. In the method at least two images (KX1, KX2, KX3) and (KY1, KY2, KY3) of a moving subject (X) and a reference area (Y) in its immediate vicinity are taken synchronously at different moments in time, in such a way that, in each of the images taken of the subject (X), the subject (X) is illuminated mutually essentially in different ways, for example, by illuminating the subject in different ways through patterned masks, for example sine-patterned masks, and, in the images taken of the reference area (Y) in the vicinity of the subject (X), the reference area (Y) is illuminated in mutually essentially the same way, for example, through an unpatterned mask.
    Type: Application
    Filed: November 21, 2008
    Publication date: May 28, 2009
    Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS
    Inventor: Heimo KERANEN
  • Engineering fungi for the utilisation of L-arabinose
    Patent number: 7527951
    Abstract: A fungal microorganism can be engineered by means of genetic engineering to utilise L-arabinose. The genes of the L-arabinose pathway, which were unknown, i.e. L-arabinitol 4-dehydrogenase and L-xylulose reductase, were identified. These genes, together with the known genes of the L-arabinose pathway, form a functional pathway. This pathway can be introduced to a fungus, which is completely or partially lacking this pathway.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: May 5, 2009
    Assignee: Valtion Teknillinen Tutkimuskeskus
    Inventors: John Londesborough, Merja Penttilä, Peter Richard
  • Antenna Construction, for Example for an RFID Transponder System
    Publication number: 20090096612
    Abstract: The invention relates to an antenna construction for a double-ended antenna circuit 4. The antenna construction comprises a conductive ground place (6) on a first surface, a transmission line (3) on at least one second surface, connected to the ground plane (6) through a fold (1) in the edge of the antenna construction, so that the fold acts as a primary source of a magnetic field, an insulation layer (7) arranged between the first and the second surfaces, and an electronic component (4), in which there is a double-ended antenna connector, connected to the antenna construction. According to the invention, the electronic component (4) is attached to the second surface of the antenna construction and connected from the first antenna terminal to the transmission line (3) and from the second terminal to either a second transmission line (3) or the fold (1).
    Type: Application
    Filed: May 8, 2006
    Publication date: April 16, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Heikki Seppa, Kaarle Jaakkola
  • Structures based on nanoparticles and method for their fabrication
    Publication number: 20090081431
    Abstract: This publication discloses a method for creating nanoscale formations. According to the method, a filler matrix and first nanoparticles embedded in the filler matrix, and two conductive electrodes are superimposed on the insulating material layer. According to the invention, a voltage is applied between the conductive electrodes, a filler matrix is used and first nanoparticles have substantially different electrical properties in order to induce self-organized localized contact creation when said voltage is applied. Potential applications of the invention include e.g. parallel-plate capacitor structures based on metal-oxide nanoparticles, such as memory cells, and high-permittivity/tunable capacitors.
    Type: Application
    Filed: June 6, 2008
    Publication date: March 26, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Tomi Mattila, Ari Alastalo, Mark Allen, Heikki Seppa
  • Rfid Reading Apparatus and Method
    Publication number: 20090058603
    Abstract: This publication discloses an RFDD reading apparatus (1) and a method for the reading apparatus. The RFID reading apparatus comprises a transmitter (3), which is arranged to feed power to at least one RFED tag (2) in the vicinity of the RFID reading apparatus (1), and a receiver (4) operating on the frequency of the transmitter (3), so that the transmitter (3) and the receiver (4) are in operation simultaneously and the receiver (4) is arranged to receiver through a radio channel (7) a reflected signal of at least one RFDD tag (2) in the vicinity of the reading device. In accordance with the invention, the RFDD reading apparatus (1) comprises additionally means (Z2, 12, 13, 14, 20) for separating the payload signal arriving from the RFDD tag (2) from signals other than those arriving from the RFDD tag (2).
    Type: Application
    Filed: June 20, 2006
    Publication date: March 5, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Heikki Seppa, Timo Varpula, Pekka Pursula, Mikko Kiviranta
  • Piezoelectric Generator System that Includes an Energy Storage
    Publication number: 20090039733
    Abstract: A device for producing electric energy including a first element converting mechanical energy into electric energy. The level of the electric energy is variable according to the variations of the mechanical energy. A controller block is connected to the first element for providing measurement data on the basis of the electric energy produced by the first element. The controller block includes a detector block to examine the electric energy produced by the first element to form the measurement data. A first energy storage unit stores electric energy produced by the first element and provides the electric energy for the operation of the controller block. Also, a system, a tyre and a method.
    Type: Application
    Filed: May 20, 2005
    Publication date: February 12, 2009
    Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS
    Inventors: Henrik HUOVILA, Vesa KULMALA
  • Remote Detector And Method And Use Of A Remote Detector
    Publication number: 20090033469
    Abstract: The invention relates to a remote detector or sensor system. The system comprise a reading device (5), which is able to transmit and receive information wirelessly by means of electromagnetic radiation, and at least one remote detector or sensor (1, 32), which is able to communicate wirelessly with the reading device (5). According to the invention, the remote detector or sensor (1, 32) is connected permanently to an energy-consumption measuring or an energy consuming device and is arranged to transmit energy information wirelessly to a reading device (4).
    Type: Application
    Filed: May 5, 2006
    Publication date: February 5, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventor: Heikki Seppä
  • Method for producing conductor structures and applications thereof
    Publication number: 20090014821
    Abstract: This publication discloses a method for forming electrically conducting structures on a substrate. According to the method nanoparticles containing conducting or semiconducting material are applied on the substrate in a dense formation and a voltage is applied over the nanoparticles so as to at least locally increase the conductivity of the formation. According to the invention, the voltage is high enough to cause melting of the nanoparticles in a breakthrough-like manner. With the aid of the invention, small-linewidth structures can be created without high-precision lithography.
    Type: Application
    Filed: June 6, 2008
    Publication date: January 15, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Tomi Mattila, Ari Alastalo, Mark Allen, Heikki Seppa
  • Method and apparatus related to nanoparticle systems
    Publication number: 20090016924
    Abstract: This publication discloses a method and apparatus for functionalizing nanoparticle systems. The method comprises treating a nanoparticle-containing layer so as to produce a pattern of structurally transformed zones, the treatment comprising applying an electric field through the nanoparticle layer. According to the invention an AC-field capacitively coupled to the nanoparticle-containing layer is used as said electric field. The treatment preferably results in at least partly sintered structures, which can be used as conductors, for example. The document discloses several realizations for utilization of the disclosed functionalization in mass-fabrication lines.
    Type: Application
    Filed: June 6, 2008
    Publication date: January 15, 2009
    Applicant: Valtion Teknillinen Tutkimuskeskus
    Inventors: Mark Allen, Tomi Mattila, Ari Alastalo, Heikki Seppa
  • Coupling and Method for a Transition-Edge Bolometer
    Publication number: 20090014655
    Abstract: The invention relates to a circuit for transition-edge bolometers, which comprises a resistor element (1) arranged to operate in the transition-edge zone, and an amplifier (5) connected to the resistor element (1). According to the invention, in connection with the amplifier (5) means are arranged for implementing positive (4, 5) and negative (5, 2) feedbacks in the resistance measurement.
    Type: Application
    Filed: May 10, 2006
    Publication date: January 15, 2009
    Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS
    Inventors: Heikki Seppa, Panu Helisto
  • Polymeric Packaging Film
    Publication number: 20090011160
    Abstract: A polymeric film has at least one surface on which chitosan has been immobilised so as to be substantially resistant to leaching and have a strong antimicrobial activity. The polymeric film may be a polyolefin film such as a biaxially orientated polypropylene film. A process immobilises chitosan on a polymeric surface so as to be resistant to leaching and have a strong antimicrobial activity by applying chitosan to a polymeric film surface which has been activated before addition of chitosan to the surface by plasma activation at atmospheric pressure.
    Type: Application
    Filed: November 14, 2005
    Publication date: January 8, 2009
    Applicants: Vlaamse Instelling Voor Technologisch Onderzoek, Valtion Teknillinen Tutkimuskeskus
    Inventors: Sabine Paulussen, Dirk Vangeneugden, Jari Vartiainen, Marjaana Ratto, Eero Hurme