Abstract: A microfluidic device that has a substrate, a resin layer disposed on the substrate and a resin coat on the resin layer, wherein a fluid circuit is formed in the resin layer. A method for producing a microfluidic device, with the method including forming a resin layer on a substrate, ablating this resin layer by laser processing to form a groove having a predetermined pattern, which groove is to be a fluid channel, and thereafter laminating a resin coat on the entire surface of the processed resin layer to form a fluid circuit.

Abstract: A signal amplitude limiting circuit includes a differential circuit, a feed back circuit and a voltage supply circuit. The differential circuit has a positive input terminal, a negative input terminal, a positive output terminal and a negative output terminal. The feedback circuit is connected to the first differential circuit. The feedback circuit compares voltages at the positive and negative output terminals with a reference voltage and outputs a comparison signal in response to the comparison. The voltage supply circuit is connected to the differential circuit and the feedback circuit. The first voltage supply circuit provides a current to the differential circuit in response to the comparison signal.

Abstract: A filter circuit of an input resistance portion, wherein said input resistance portion includes a first transconductance means having a positive input port, a negative input port, a positive output port and a negative output port, wherein the positive input port is impressed with a first voltage, and wherein the negative input port is impressed with a second voltage; a second transconductance means having a positive input port, a negative input port, a positive output port and a negative output port, wherein the positive input port is impressed with the second voltage, and wherein the negative input port is impressed with a third voltage; and a third transconductance means having a positive input port, a negative input port, a positive output port and a negative output port, wherein the positive input port is coupled to the positive output ports of the first and second transconductance means and the negative output port of the third transconductance means, and wherein the negative input port is coupled to the

Abstract: A divider circuit including a plurality of latch circuits which are connected in series such that each of the latch circuits is responsive to a control signal to latch data which is output from a preceding latch circuit in the series and a logic circuit which receives the data output from plurality of latch circuits and which outputs a logic operation result to a first latch circuit in the series of the plurality of latch circuits.

Abstract: Disclosed is an improvement in a living body variable measuring device comprising a weight scale-like body having electrodes and a weight sensor equipped therewith, and a box-like display device. The electrodes are used in measuring the bioelectrical impedance appearing between both feet. The weight scale-like body has a storage section so sized and shaped as to accommodate the box-like display device.

Abstract: A dielectric substrate for laser working contains a substance having a size of a half to 10 times of a laser light wavelength and different in refractive index from a material of the dielectric substrate. This substance enhances the absorption of a laser beam. Due to this, the energy loss in laser beam is transformed into the heat of fusion to form a penetration hole, thereby forming a well-formed penetration hole. The substance different in refractive index from the dielectric substrate material uses bubbles when the dielectric substrate is a quartz glass substrate, and a glass bead or fiber when it is a resin substrate.

Abstract: A dielectric substrate for laser working contains a substance having a size of a half to 10 times of a laser light wavelength and different in refractive index from a material of the dielectric substrate. This substance enhances the absorption of a laser beam. Due to this, the energy loss in laser beam is transformed into the heat of fusion to form a penetration hole, thereby forming a well-formed penetration hole. The substance different in refractive index from the dielectric substrate material uses bubbles when the dielectric substrate is a quartz glass substrate, and a glass bead or fiber when it is a resin substrate.

Abstract: Disclosed is a bioelectric impedance measuring apparatus which can prevent such abnormal condition than an excessive current is applied to a human body when elements in the circuit has failed or is damaged, with a simple circuit configuration and without decreasing the measuring accuracy of the bioelectric impedance. The bioelectric impedance measuring apparatus according to the present invention is configured such that a capacitor or a set of a capacitor and a resistor arranged in parallel with each other is installed between an electrode to be brought into contact with a human body and a bioelectric impedance measuring circuit section comprising a generating section for generating an alternating current applied to a human body for measurement, a measuring section for measuring a voltage value between the portions where the current is applied to the human body, a computing section for computing a bioelectric impedance value, and a central processing unit (CPU).

Abstract: A satellite receiver antenna device is capable of being installed on different types of verandas. A longitudinal side of the first clamp member and a second clamp member grip the concrete wall of the veranda and the receiver antenna is clamped to the concrete wall by applying the lever principle utilizing a plurality of nuts, and by a plurality of bolts inserted in a plurality of through-holes at positions separated lengthwise along the other side of the first and second clamp members. The lengthwise center section on the first clamp member and second clamp member grip the lattice bars of lattice type verandas, and the receiver antenna is clamped to the lattice section by a plurality of nuts and by a plurality of bolts inserted in the through-holes at positions lengthwise on the first clamp member and second clamp member on both sides of the gripped lattice bars.

Abstract: A conductive-transmission-line waveguide converter comprising a waveguide for transmitting an electromagnetic wave, a wiring board brought into contact with a side of the waveguide opposite to a side of the waveguide for inputting an electromagnetic wave, being oriented perpendicularly to a longitudinal axis of the waveguide, a first probe provided in an area on the wiring board inside the waveguide for taking in a first linearly polarized wave, and a second probe provided in an area on the wiring board inside the waveguide for taking in a second linearly polarized wave perpendicular to the first linearly polarized wave, wherein the first probe and the second probe are respectively created along mutually perpendicular first and second axis lines, which both pass through a cross point of the wiring board and the longitudinal axis of the waveguide, and a first center line passing through the middle of each transversal line segment of the first probe is shifted from the first axis line and a second center line p

Abstract: A resinous cover for use in a bioelectrical impedance measuring apparatus is provided, in which the processes for manufacturing the resinous cover are significantly decreased in number and the components thereof are decreased in number and therefore the cost thereof is reduced to a low level. Further, such a resinous cover cause little the soles of feet to feel cool when the bioelectrical impedance is being measured, and the area of the electrode which comes into contact with the soles of feet is wide. A resinous cover for use in a bioelectrical impedance measuring apparatus, comprising electrodes and an insulating portion provided among the electrodes, wherein said electrodes and said insulating portion are integrally-molded.

Abstract: One or more metal targets are formed on a base member patterning technique such as a masking process. The metal targets may be irradiated by an electron beam to generate X-rays.

Abstract: A method of machining a glass substrate by using a laser, in which a low-permittivity, low-dielectric-loss glass substrate capable of coping with mass production processes is made applicable as the substrate of a high-frequency circuit intended for microwave and millimeter-wave bands in particular. For that purpose, a glass substrate is provided in which the amount of air bubbles in glass is arbitrary controlled to improve the workability of the substrate itself. Then, the glass substrate is machined while being irradiated with a pulsed laser for a plurality of times, thereby improving the machining shape to the glass substrate. Since glass substrates which are typically difficult to machine can be easily applied to the fabrication of high-frequency circuits, it becomes possible to supply high-performance circuits and apparatuses widely to the public.

Abstract: A satellite receiver antenna device is capable of being installed on different types of verandas. A longitudinal side of the first clamp member and a second clamp member grip the concrete wall of the veranda and the receiver antenna is clamped to the concrete wall by applying the lever principle utilizing a plurality of nuts, and by a plurality of bolts inserted in a plurality of through-holes at positions separated lengthwise along the other side of the first and second clamp members. The lengthwise center section on the first clamp member and second clamp member grip the lattice bars of lattice type verandas, and the receiver antenna is clamped to the lattice section by a plurality of nuts and by a plurality of bolts inserted in the through-holes at positions lengthwise on the first clamp member and second clamp member on both sides of the gripped lattice bars.

Abstract: A conductive-transmission-line waveguide converter comprising a waveguide for transmitting an electromagnetic wave, a wiring board brought into contact with a side of the waveguide opposite to a side of the waveguide for inputting an electromagnetic wave, being oriented perpendicularly to a longitudinal axis of the waveguide, a first probe provided in an area on the wiring board inside the waveguide for taking in a first linearly polarized wave, and a second probe provided in an area on the wiring board inside the waveguide for taking in a second linearly polarized wave perpendicular to the first linearly polarized wave, wherein the first probe and the second probe are respectively created along mutually perpendicular first and second axis lines, which both pass through a cross point of the wiring board and the longitudinal axis of the waveguide, and a first center line passing through the middle of each transversal line segment of the first probe is shifted from the first axis line and a second center line p

Abstract: Input conversion noises of a filter circuit are reduced. The circuit has plural element circuits obtained by dividing the filter circuit so as to include at least one voltage controlled current source, at least one element circuit is an amplification element circuit having an amplifying function for amplifying an input signal to the filter circuit at a set amplification factor. The amplification element circuit has: a loop circuit constructed by plural intra-loop voltage controlled current sources in which mutual conductance values have a predetermined corresponding relation; and a corresponding capacitor connected to a contact in the loop circuit and having a capacitance depending on the corresponding relation so as to set a potential at the contact to a predetermined potential corresponding to the amplification factor, and amplification element circuit has an electric nature which is independent on the amplification factor when seeing from the input side of the filter circuit.

Abstract: Disclosed is an improvement in a living body variable measuring device comprising a weight scale-like body having electrodes and a weight sensor equipped therewith, and a box-like display device. The electrodes are used in measuring the bioelectrical impedance appearing between both feet. The weight scale-like body has a storage section so sized and shaped as to accommodate the box-like display device.

Abstract: A method of fabricating a monolithic chip varistor includes the steps of preparing a varistor body including a plurality of varistor layers and at least one pair of internal electrodes; forming a first layer for each of a pair of external electrodes by applying a metal component and a glass component to an exterior portion of the varistor body, followed by heat treatment; forming a second layer for the external electrode on the first layer by applying a glass component, followed by heat treatment; forming a third layer for the external electrode on the second layer by applying a glass component that is different from the glass component used for forming the second layer, followed by heat treatment; forming a fourth layer for the external electrode on the third layer by applying a metal component that is different from the metal component used for forming the first layer, followed by heat treatment under the same heat treatment conditions as those used for the formation of the first layer; and forming a fifth

Abstract: A method and apparatus for deducing physical quantities such as positions, sizes and orientations of bioelectric current sources. Minute magnetic fields formed by the bioelectric current sources in a region under examination of an examinee are measured with a plurality of magnetic sensors arranged adjacent the region under examination. A plurality of lattice points are set in the region under examination. Physical quantities of the current sources are derived by solving a relational expression of unknown current sources at the lattice points and field data provided by the magnetic sensors, with a condition added thereto to minimize a norm of a vector having the current source at each of the lattice points. The lattice points are moved toward a lattice point having a large current value among the current sources computed. Checking is made whether a minimum distance among the lattice points having been moved is below a predetermined value.

Abstract: The microwave plasma torch of the invention includes: a vacuum container having an evacuating apparatus; a coaxial waveguide including an inner conductor and an outer conductor, a first end portion of the coaxial waveguide being connected with a microwave supplying apparatus for supplying a microwave and a second end portion of the coaxial waveguide being connected with the vacuum container, thereby introducing the microwave supplied from the microwave supplying apparatus into the vacuum container along a waveguide axis of the coaxial waveguide; and a gas supplying apparatus for injecting a gas into the vacuum container along a plurality of injection axes.