A laser beam processing machine comprising a chuck table for holding a workpiece, a laser beam application means for applying a laser beam to the workpiece held on the chuck table, a processing-feed means for moving the chuck table and the laser beam application means relative to each other in a processing-feed direction (X-axis direction), and an indexing-feed means for moving the chuck table and...

Provided is a method of forming a via hole using a laser beam. The method includes forming a first hole in the first metal layer by irradiating a laser beam having a predetermined frequency; reducing an energy density of the laser beam having the same frequency; and forming a second hole corresponding to the first hole in the dielectric layer by irradiating the laser beam having the same frequency...

The light signal has a number of LED modules (10) especially for remote zone and local zone display of signal indications for rail bound traffic routes. Each LED module has at least one local zone LED (1a,1b) and at least one remote zone LED (1c,1d) as well as an optical system (5) focusing the LED light. The local zone LED on the light emission side is connected to an optical light guide (4a,4b) ...

A drill bit that includes a bit body formed from a matrix powder and at leas t one cutting element for engaging a formation, wherein the matrix powder included (a) stoichiometric tungsten carbide particles, (b) cemented tungsten carbide particles, and (c) cast tungsten carbide particles, and wherein after formation with th e matrix powder, the bit has an erosion rate of less than 0.001 in/hr, a to...

The invention provides a telecommunications transmission system adapted to operate as a platform for an agent-based electronic market. The platform is arranged to support agent-based market interactions between a plurality of agent types. The system includes a plurality of end user terminals arranged for connection to the Internet, at least one service provider server, a plurality of electronic sh...

The invention relates to an arrangement for load sharing in computer networks and, more exactly, an arrangement for distribution of traffic, for instance via Internet, from clients (1) to service suppliers who provide services from many servers. The invention makes possible distribution to one of a number of replicated servers. Suitable server is selected for instance on basis of available resourc...

The present invention comprises a central vacuum producing system suitable for collecting both liquid and gaseous material, one or more end effectors for use at a site at which liquid and gaseous material are produced, and a coupling device or connector for operably coupling one or more end effectors to the central vacuum. In this embodiment, the connector may be made of various materials, and may...

Concrete mouldings (I) coated with a cement-bound mineral coating material (cement slurry) and a transparent varnish, in which the binder in the varnish is an aqueous polymer dispersion containing at least one anionic emulsifier with phosphate and/or phosphonate group(s) (II). - An INDEPENDENT CLAIM is also included for a method for the production of (I) by making a formed product consisting of an...

A casing (2) has a hollow space to hold a printed circuit board (PCB). Input/output contacts on opposite front sides of the casing link to the PCB so as to detach. Input contacts (IC) form a connection strip (CS) (5) with insulation displacement contacts. The CS carrying the IC link to the casing via a front part so as to detach.

An internal combustion engine (1) generates power by burning a mixture of fuel and air in each combustion chamber (3). The internal combustion engine (1) is provided with an in-cylinder pressure sensor (15) disposed in the combustion chamber (3) and an ECU (20). The ECU (20) calculates control parameters each of which is a product of an in-cylinder pressure detected by the in-cylinder pressure sen...

A method for managing quality of service (QoS) in a wireless local area network begins by receiving a traffic flow. The traffic flow is mapped to a traffic class (TC), based on QoS requirements of the traffic flow. A transmission budget of an access class (AC) is calculated, each AC including at least one TC. A determination is made whether the traffic flow can be admitted, by calculating whether ...

A polymer composition includes a rubber modified aromatic vinyl resin and a cyclic alkyl phosphate compound. In some embodiments, the cyclic alkyl phosphate compound is able to impart good flame retardancy to the composition, while maintaining a good balance of the other physical and mechanical properties of the resin including Vicat Softening Temperature and impact strength.

An electronic device has a main body (12) with an electronic component (20) and has a cover (14) pivotally installed on the main body and having an liquid crystal display panel (36). The electronic component of the main body is cooled by a fan (22). The liquid crystal display panel of the cover is illuminated by a discharge tube (38) and a reflector (40). An air inlet (44) of the cover is provided...

A piezoelectric single crystal and piezoelectric and dielectric application parts using the same are provided, which have all of high dielectric constant K3T, high piezoelectric constants (d33 and k33), high phase transition temperatures (Tc and TRT), high coercive electric field Ec and improved mechanical properties and thus can be used in high temperature ranges and high voltage conditions. Furt...

A reciprocating pump is provided with diaphragm drive chambers and a drive-power supply member 40, in which drive power of the drive-power supply member 40 is transmitted to diaphragms 1A, 1B within the diaphragm drive chambers via operating fluid. Operating-fluid-flow regulation chambers 5A, 5B each are located between the drive-power supply member and a corresponding one of the diaphragm drive c...

A wafer-processing tape (10), having an intermediate resin layer (2), a removable adhesive layer (3), and, if necessary, an adhesive layer (4), which are laminated in this order on a substrate film (1), wherein a storage elastic modulus at 80°C of the intermediate resin layer is larger than a storage elastic modulus at 80°C of the removable adhesive layer.

A front-end processing circuit applies predetermined processing to an input signal and outputs a processed signal. A frequency modulation circuit applies frequency modulation to the output signal of the front-end processing circuit and outputs a processed signal. The front-end processing circuit includes a variable amplifier and a level detector. The variable amplifier receives a feedback signal a...