PURPOSE:To eliminate a posttreating step and to easily and efficiently manufacture a selective absorption film by heating a metal member in a passage in which steam, etc., is poured, and forming a solar light selective absorption film on the surface of the member. CONSTITUTION:Steam is poured, for example, from a gas inlet 2 into a passage 1A in a cylinder 1, air curtain forming units 3, 4 are ope...

PURPOSE:To prevent an increase of the shaft length and the distance between shafts of a transaxle device by providing the second epicyclic gear type transmission device convertible between plural gear shift stages around the differential shaft of a differential device. CONSTITUTION:The torque from a main epicyclic gear type transmission device 5 is transmitted to a differential device 70 through a...

PURPOSE:To obtain a solar heat utilizing system which needs no conveying power and improves fitness to a building, by a method wherein circular opening parts are formed in the upper and the lower part of a heat insulating partition plate in a heat accumulating tank, a space between the partition plate and the heat collecting plate forms a heat collecting plate part, and a film having shape retenti...

An improved process is disclosed for manufacturing a shaped article of polyester material wherein scrap polyester is blended with fully polymerized virgin polyester at reduced pressure.

PURPOSE:To prevent the occurrence of an afterimage, a flicker, etc., due to driving with an asymmetrical voltage by storing data voltage correction tables at every temperature of a liquid crystal panel, selecting a table corresponding to a detected panel temperature first, and selecting a voltage correction quantity corresponding to a data voltage in the table and adding it to the data voltage. CO...

PURPOSE: To improve a function by generating a reset pulse only by a request signal which is generated by a prescribed event at the time of the occurrence of abnormality in the trigger operation. CONSTITUTION: The reset pulse is generated by a comparison circuit 9. A trigger signal is inputted to one trigger signal input terminal E1 of this circuit 9 from a computer. The request signal is inputted...

PURPOSE:To improve the light-emitting efficiency of an EL lamp at low costs by employing a specific binder in the lamp which has a light-emitting layer comprising phosphor particles bound together by a binder and electrodes on both sides of the light-emitting layer, in which at least one electrode on the front side of the light-emitting layer is light-transmitting and covered with a film to be air...

A process for preparing polyurethane foams comprising reacting polyol with polyfunctional isocyanate in the presence of an auxiliary blowing agent comprising 1 monofluoro 1,1 dichloroethane. The amount of auxiliary blowing agent used is from 60 to 80 wt% of the amount of conventional auxiliary blowing agent consisting of trichlorofluoromethane that would be required to obtain comparable foam densi...

Solid particles are coated with a uniform and continuous polyamide layer by immersion in a reaction medium capable of forming polyamides by anionic polymerization in solution.

The present invention discloses a double guided slide valve apparatus for producing pressure pulses in drilling mud medium flowing through a drill string casing.

The process comprises blending 100 parts by weight of a polyolefin resin with 50 to 500 parts by weight of barium sulfate preferably having an average particle diameter of 0.1 to 7 mu m melting the resulting resin composition and forming it into a film, and then stretching the film at least uniaxially by a factor of 1.5 to 7. The polyolefin resin preferably has a melt index of 0.5 to 7 and a dens...

PURPOSE:To contrive to improve the connection of a ceramic superconductor to an outer circuit and also improve the mechanical strength and storage stability thereof by forming the layer of a mixture of a noble metal and an oxide thereof on at least one portion of the surface of the ceramic superconductor. CONSTITUTION:A mixture of 10-90wt.% of a noble metal (e.g. Ag) and 90-10wt.% of an oxide ther...

A suspension comprising a dispersing medium containing at least 2% by weight of a fine particles of cellulosic material having a 50% cumulative volume diameter of from 0.3 to 6 mu m, wherein a cumulative volume ratio of those particles having a diameter of not more than 3 mu m is at least 25% is disclosed. The suspension is obtained by a process comprising subjecting a cellulosic material to a d...

Procedure for forming fine film resistances (4) on an integrated circuitplate (1), consisting in depositing a layer of silicon-chromium resistance(14) to form film resistances (4), depositing a protective layer (15) oftitanium-tungsten on the resistance layer (14), forming a modelledphotoresistive layer (16) on the protective layer (15) to define the filmresistances (4), subjecting the plate to an...

PURPOSE:To obtain a semiconductor device having high integration density and less manufacturing error by utilizing first and second polycrystalline silicon resistance materials. CONSTITUTION:The first polycrystalline silicon resistance material 4 formed on an oxide film 8 on the silicon substrate and the second polycrystalline silicon resistance material 5 formed after thermally oxidizing said fir...

PURPOSE: To remarkably improve the fixing action without substantially changing burden on a structure, by asymmetrically distributing balance gears in a differential gearing housing and radially moving a driven shaft gear in a space of the device housing. CONSTITUTION: Balance gears 4, 5 are asymmetrically arranged on one circumference of a differential gearing housing, and driven shaft gears 3, 1...

In a run length limited block coding method in which blocks of m data bits are converted to blocks of n1 information and n2 separation bits (n = n1 + n2>m). The blocks of bits satisfying the requirement of being (d, k) run length limited, the blocks of separation bits BSi between each of the blocks of n-information bits Bli are chosen, in those cases where the format is not prescribed by the (d, k...

A fluid dental composition which comprises a liquid ethylenically unsaturated polymerizable material and a polymerization catalyst therefor and a selected mixture of fine particle size and large particle size fillers and dispersing agent particularly for the former filler, the compositions having physical properties desirable as an amalgam potential replacement.

A porcess for producing a foamed synthetic resin body comprising continuously extruding a foamable thermoplastic resin extrudate composition from an extruder die (2, 3) into a reduced pressure zone (11, 19), subjecting the extrudate (F) to en expansion molding step, a cooling-hardening step and a cutting step while transporting the extrudate through the reduced pressure zone to obtain a foamed pie...

A microwave semiconductor device with improved thermal properties is disclosed wherein multiple active semiconductor bodies are disposed between two electrically and thermally isolated heat sinks. Two separate thermal paths are provided for heat produced within the semiconductor material. The maximum operating power of devices such as double-drift IMPATT diodes is greatly extended.