PURPOSE:To make the design easy, by setting both the outermost ridges of a comb- shaped electrode with a slope to a signal transmitting direction. CONSTITUTION:A base 10 is formed with a rectangular plate of quartz, piezoelectric porcelain device or the like, and an input converter 11 is to convert an electric signal into a mechanical signal and consists of one set of comb-shaped thin film electro...

A pix-in-pix display includes a filtering system for processing the video signals which produce the reduced-size image. The filtering system includes an anti-aliasing filter which reduces the amplitude of the components of the video signals which may cause aliasing distortion when the image is subsampled. However, the filter passes substantial amounts of these components. The filtered video signal...

Apparatus for performing analysis of a slurry including solid particles of elements in a liquid suspension has a container for receiving a sample of the slurry to be analyzed, and a conveyor for moving the container to a location at which the analysis is to be performed. A sampling probe is to be introduced into the slurry sample to perform the analysis. A separate probe is adapted to ultrasonical...

A vent assembly which can be mounted to plant nursery buildings of the type which include a plurality of arcuate roof frame members covered by a fabric material, such as a plastic film, the vent assembly having at least one pair of sawtooth profiled frames which may be bolted or otherwise connected to the building roof frame members to be upstanding therefrom. A pair of members extending longitudi...

The invention relates to an injection device (1), in particular for once-only use, for injecting an implant (6) which can release a drug in a controlled manner, which device comprises a housing (2) which is provided at the injection end with an injection needle (3) in which the implant (6) can be disposed and in which a passage opening is disposed at the actuating end of the housing for a plunger ...

A multiple barrel syringe apparatus is provided for selectively dispensing fluids. A body has a plurality of pie shaped bores therein, each bore being open at one end and narrowing at the other end into separate smaller bores opening at the other end thereof. A needle cannula having a bore therethrough or a stopcock may be attached to the other end of the body over a plurality of smaller bores so ...

A method of producing a multilayer system comprising the steps of: 1. adhering a continuous cohesive pattern of electrically conductive oxidisable material (e.g. copper) to an electrically insulating surface of a substrate, 2. coating the pattern and the parts of the substrate surface not adhering to the pattern with a firable dielectric which is fusable at 500 DEG -600 DEG C., 3. firing the diel...

The invention comprises a process for co-sintering of conductors of copper or copper-based alloy and a ceramic substrate, the substrate being produced from a ceramic powder of cordierite type, having a sintering temperature of lower than 950 DEG C. The process comprises the following steps: (a) shaping of the ceramic substrate from a powder of cordierite type, (b) deposit of copper on the ceramic...

A grating is positioned on a surface acoustic wave device on a first axis in-line with the delay line for substantially reducing the amount of energy reflected on that axis to the transmitter and receiver. The grating site on the first axis at a position between the delay line and one of the edges of the device. The grating is comprised of a parallel series of grating members each oriented so as t...

The insulating paste for ceramic multilayered PCB is manufactured by the stages of: mixing 40-60 wt.% ceramic material and 2-40 wt.% borosilicate glass, calcining the mixt. at not less than sintering temp. and mixing it with 20-58 wt.% borosilicate glass. The ceramic material comprises 90-98 wt.% Al2O3, 1-5 wt.% SiO2, 0.2-2 wt.% CaO, 0.5-4 wt.% MgO. The borosilicate glass comprises 60-90 wt.% SiO...

Described is a superconducting composition comprising an oxide complex of the formula [L1-xMx]aAbOy wherien L is scandium, yttrium, lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, or a combination thereof; "M" is barium, strontium, calcium, magnesium, mercury, or a combination thereof provided that when...

7. FILTERCLOTHS A method of making a filtercloth which includes fixing components to the cloth includes the use of a thermoplastic bonding agent mixed with a ferrous metal powder. The bonding agent is induction heated to fuse the parts together, using the metal as a susceptor. Figure 3a is a section through a typical assembly being bonded.

Procédé dans lequel un revêtement conducteur (W) formé par sérigraphie est déposé dans des trous (F) de raccordement, dans une zone (4a) ne comportant pas de colle (4), et un diaphragme (1) est ensuite appliqué sur le support (2) et l'ensemble passe dans une étuve. Selon l'invention, la somme des épaisseurs des couches de colle (4, 5) est inférieure à la somme des épaisseurs de l'élément conducteu...

A plastic welder that can be held and operated with only one hand. The supply rod or filler rod can be advanced into and through the heating tip of the welder by a trigger that can be actuated by the user with the same hand in which the grip of the plastic welder is held. No air assist is required, as a device is provided for reliably avoiding overheating of the plastic welder by intermittently in...

The NMR imaging method collects only the data used for re-constituting the image. A circular region with a point at which space frequency is zero as a centre is determined on a two dimensional Fourier plane that corresponds to the region for re-constituting the image. Spin echo signals are measured by an ordinary Fourier method for a local area in the circular region where the measured data has a ...

A fault tolerant computer system includes a fault tolerant data processing module which has means for detecting and correcting errors in the operation of the data processing module to maintain a high degree of data integrity. Data transmission control devices control the transmission of all data to the fault tolerant data processing module and the receipt of all data into the fault tolerant data p...

A method for monitoring the operation of a multiposition spinning machine wherein filaments are extruded from a spinning pack at each position and advanced as a yarn bundle in a path, then split at a location into a plurality of threadlines to be forwarded to a plurality of windups to be wound on packages and scheduling events at predetermined times in the preparation of said packages with the aid...

Methods of laser welding zinc coated galvalized steel are disclosed. In a method that relates to forming hem joints for motor vehicle body components a sheet of steel is provided with a plurality of V-shaped tabs. When a hem joint is formed the V-shaped tabs together with a surface of another sheet of steel form gas venting channels that provide an escape passage for gas vapors that are developed ...

An improved method for the preparation of cross-linked polycarbonates is disclosed, comprising the reaction at elevated temperature of a composition containing cyclic carbonate oligomers with at least one polyglycidyl acrylate copolymer formed by the reaction of at least one olefin with a glycidyl acrylate monomer. This invention also includes network polycarbonates wherein the carbonate chains ar...

Disclosed herein is polyester-based artificial hair composed of individual filaments having a thickness of 270 to 360 tex, with a deviation of plus and minus 180 tex, and a roughened surface formed such that the average intervals of adjacent pits are 0.1 to 1.5 mu m and the density of pits is 5 to 100 pits in a planer distance of 10 mu m. The artificial hair looks like natural hair and keeps its ...