An epitaxial growth apparatus comprises a process chamber of silica glass, and a wafer support disposed within the chamber. Halogen lamps are disposed below and above the process chamber, and are adapted to heat a semiconductor wafer supported by the wafer support. The wafer support comprises a susceptor for mounting the wafer, and a susceptor support shaft for supporting the susceptor from thereu...

A dynamic filter system comprises a dynamic filter assembly including one or more filter elements (148) and one or more members (151) disposed within a housing (105). The filter elements and the members are interleaved and arranged to rotate with respect to one another to resist fouling of the filter elements.

The system for controlling oxygen flow in a gasification process of the instant invention comprises a suction control valve located between the oxygen source and the oxygen compressor. The suction control valve is adapted in order to open to deliver oxygen from the source to the compressor through the first pipe and to move to a reduced flow positon to prevent excess delivery of oxygen from the so...

PURPOSE: To provide a heat insulating vessel for a high temperature battery which can dispense with welding joining of an outer case and by which assembling, disassembling or reassembling of the heat insulating vessel are facilitated and whose outer case can be reused. CONSTITUTION: A heat insulating vessel for a high temperature battery is composed of an inner case 1 to which a cover body 12 is a...

PROBLEM TO BE SOLVED: To perform an insulation test and the evaluation thereof with high reliability at high speed by applying a pulse output to a battery to be tested, and performing the improvement in measuring speed and the detection of quality of contact by a quick charging current. SOLUTION: A battery 4 to be tested is loaded by an input and output control device 3, a contact 1 is lowered to ...

A piezoresistive pressure transducer employing a sapphire force collector diaphragm having piezoresistive films of silicon epitaxially formed on a major surface thereof, preferably in a Wheatstone bridge pattern. The piezoresistive elements of the Wheatstone bridge are oriented and located so that the pressure sensitivity is maximized, while the linearity errors of the output voltage of the Wheats...

PURPOSE: To make harmless industrial waste and waste gas for electricity generation by supplying an additive for removal of harmful gas to primary combustion fire of refuse for reaction therebetween, thereafter feeding air for high temperature combustion at a specific temperature, and rotating a turbine at a high speed with high temperature combustion fire. CONSTITUTION: An industrial waste treati...

PURPOSE:To minimize a load of a freezer or a boiler and to provide an energy saving by a method wherein an energy of surrounding air is effectively utilized. CONSTITUTION:An air conditioning system is comprised of an air conditioner 5 for use in air conditioning a plurality of breeding rooms 15, a full heat exchanger 1 for heat exchanging a fed surrounding air and a discharged air from the breedin...

PURPOSE:To obtain a battery preventing the infiltration of moisture into a battery can body and preventing a liquid leak during storage under high- temperature, high-humidity conditions. CONSTITUTION:A battery has a seal member 6 made of nylon for sealing the opening of a battery can body 1, a current collecting pin 5, a reinforcing member 7 reinforcing the seal member 6, a plate-shaped spring 8 f...

PURPOSE:To provide a battery having a constitution as preventing the penetration of moisture into a battery can body and never causing a leak even in the preservation under high temperature and high moisture conditions. CONSTITUTION:An alkali battery has a seal member 6 for sealing the opening of a battery can body 1, a current collecting pin 5, a reinforcing member 7 for reinforcing the seal memb...

PURPOSE:To provide an alkaline storage battery with high energy density by using a powdery active material mainly comprising globular nickel hydroxide particles whose particle size distribution is divided into two peaks of large and small in a nickel electrode. CONSTITUTION:A powdery active material mainly comprising globular, semi- globular, and egg-shaped nickel hydroxide particles whose particl...

The invention concerns an elongated tubular product with the same cross section along its whole length, comprising a solid tube (1) made of at least a plastic material, both sufficiently flexible to be wound and unwound, and sufficiently rigid to resist a centripetal or centrifugal radial force, said solid tube comprising, on the inside and/or on the outside, a surface coating (3) whose free surfa...

There is disclosed a polishing machine capable of flattening a wafer surface uniformly. The machine can modify the flatness of the surface during polishing. The machine has an index table and a polishing head 18. The table attracts the wafer to be polished such that the wafer faces upward. The table rotates to the primary polishing station. The polishing head has a pressure application cylinder 21...

Yarn contains flax fibre in quantity of 62 % to 93 % in a form of sheath and braid or braid. Method of obtaining the yarn depends on separation of flax fibre in enzymatic process, treating with emulsion containing cation-active agents and joining flax fibre in a form of sheath and braid or braid with the core during spinning process.

The invention provides a method of operating a communication network. The network comprises numerous stations, each of which can transmit and receive data in order to transmit messages from originating stations to destination stations opportunistically via intermediate stations. Each station selects one of a number of possible calling channels to transmit probe signals to other stations. The probe...

A node in an asynchronous transfer mode exchange network comprises a bandwidth monitor circuit for calculating a bandwidth used for a virtual path by measuring a cell amount entered into each virtual path, cell stored buffers for respectively storing an input cell for every virtual path, a bandwidth allocation control circuit for deciding a bandwidth allocation ratio, in accordance with a used ban...