An electro-optic device featuring an semiconductor device formed by providing an insulator over a gate electrode, and anodic oxidizing only the sides of the gate electrode.

The invention relates to an improved method and an arrangement for implementation of that method for obtaining safer and quicker upshifts while maintaining gear change comfort, using computer-assisted systems for gear change in mechanical gearboxes in motor vehicles, preferably without clutch disengagement between engine and gearbox. In connection with upshift, an exhaust brake is activated, (EBon...

A method of making a homogeneous formable mixture involves simultaneously mixing organic binder which can be cellulose ethers, cellulose ether derivatives, and combinations of these, powder material capable of being formed into a body when combined with the organic binder, water-insoluble wax, and vehicle of which at least about 90 wt % is water, at a temperature which is at least as high the temp...

PURPOSE: To obtain a concrete composition excellent in development of strength in spite of use of a large amount of fly ash by properly determining a concrete mixing. CONSTITUTION: This concrete composition comprises a cement (C), a fine aggregate (S), a coarse, aggregate (G), fly ash (F) and water (W). The unit amount of the cement is 250-350kg/m<3> , that of the fly ash is 150-300kg/m<3> and the...

PURPOSE: To obtain a curable inorganic composition capable of controlling the pot life, excellent in workability and providing an inorganic cured body having a high strength and excellent in appearance. CONSTITUTION: This composition contains 100 pts.wt. of reactive inorganic powder composed of 20-98 pts.wt. fly ash and 2-80 pts.wt. kaolin powder obtained by applying mechanical energy having 0.5-3...

PURPOSE: To obtain a concrete composition excellent in workability, having small shrinkage after hardening and approximately the same strength as that of ordinary concrete, by using an aggregate not containing a fine aggregate at all or almost not containing it, controlling the blended amounts of a cement and fine powder of a mineral substance and the ratio of water/powder. CONSTITUTION: This conc...

PURPOSE: To obtain a light-weight concrete composition excellent in development of strength by properly deciding a concrete mixing ratio and using not an aggregate lightened by expansion but a dense fly ash artificial coarse aggregate as the artificial coarse aggregate, capable of using a large amount of fly ash in terms of both sides of a concrete admixture and the coarse aggregate. CONSTITUTION:...

PURPOSE: To obtain foam grains which is made of a polypropylene homopolymer as a base resin, has a wide range of the molding temperature, high stiffness and good moldability, and is useful as an energy absorber. CONSTITUTION: This foamed grain comprises a polypropylene homopolymer as a base resin, has a tensile modulus of 15,000-25,000kg/cm<2> and gives the DSC (differential scanning calorimetric)...

In a process for producing a vulcanizable rubber composition containing silica and having a low content of carbon black, at least a silica-based reinforcing filler and ad least a silane-based coupling agent are added to and intimately mixed with other ingredients of the composition in subsequent steps, at a temperature of from 165 DEG and 180 DEG C and between 110 DEG and 160 DEG C respectively....

PURPOSE: To provide piston stopper structure dispensing with complicated protrusions provided at the bottom part of a hydraulic cylinder so as to shorten the axial length of an automatic transmission by that part. CONSTITUTION: The abutting face 20 of a side cover 12 is provided at the shoulder part of an inlet on the cylinder on the outside of a hydraulic cylinder 19. The abutting face 21 of a pi...

PURPOSE: To prevent frictional heat, generated at the braking time, from being directly conducted to a piston at the non-braking time in a hydraulic cylinder device for pressing the disc group of a disc brake to generate braking force. CONSTITUTION: A hydraulic cylinder device for a disc brake is provided with a pressure plate 64 brought into contact with or separated from a disc group 3A or 3B, a...

PURPOSE: To provide a manufacturing method for Tl system superconductive wire material, which can efficiently obtain the Tl system superconductive wire material, which can be utilized at 40K degree or more of temperature achieved by a simple structured cooling device and which has a high critical current density and with which lowering of the current density (Jc) in the magnetic field is reduced. ...

PURPOSE: To provide the title electronic packaging device capable of previously preventing the burning of a printed board or a solder ball production due to any foreign matters. CONSTITUTION: The title electronic part packaging device solder-connecting a lead Ta provided on a TCP part to a pad Pa previously solder coated on a printed board P is provided with a laser beam irradiating device 20 irra...

A heat-curable adhesive composition comprising a mixture of substantially solid particles of a first reactive component with separate substantially solid particles of at least a second reactive component, the first and second reactive components being capable of reacting together to effect curing when the composition is heated to the curing temperature and the particles having a size distributuion...

The surface-modified polymethylsilsesquioxane spherical fine particles of this invention comprise polymethylsilsesquioxane spherical fine particles serving as nuclei, and at least one member of an alkyl group having two or more carbon atoms, an alkenyl group, a phenyl group, an epoxy group, an acryloxy group and an amino group is bonded to the surface of a particle. They are prepared by a process ...

PURPOSE:To manufacture a multilayer film including a superconductor film by a method wherein a laminated film is manufactured while an oxide having a crystal structure similar to a superconductor is used as a semiconductor, an insulator or a normal conductor. CONSTITUTION:Oxygen gas is introduced into a vacuum tank; a pressure is set to 8X10<-5>Torr; Bi, Sr, Ca, Cu and Co of metals are used; SrTiO...

A device for discontinuing and automatically restoring the operational function of a spring brake actuator comprises a piston (9) with a piston rod (10) and a spring (13) actuating the piston and piston rod in a working direction for brake application at falling brake fluid pressure on the piston, a slitted, resilient locking ring (15) being arranged in grooves (16, 17) facing each other in the pi...

Printable films are made of compositions comprising (A) 35 - 92% of a homo- or co-polymer of an olefin, e.g. ethylene, propylene or butene-1, or other polymer prepared from C and H only, e.g. polystyrene, optionally with up to 50% of another thermoplastic polymer, and (B) 8 - 65% of a mixture of (1) 100 parts of a heavy calcium carbonate, optionally up to 50% being replaced by other inorganic powd...

A porous material of ultrahigh molecular weight polyethylene containing numerous interconnected pores, having permeability and being useful as filters, carriers and so forth; and a process for effectively producing said material. This material comprises minute particles of plasticized ultrahigh molecular weight polyethylene fused with one another so as to form interconnected pores communicating wi...

PURPOSE:To produce an oxide superconductive bulky material having a high mechanical strength and high critical current density in a magnetic field by solidifying a metal contg. rare earth elements including Y, Ba and Cu into a prescribed shape by rapid cooling, half-melting the resulting molded body and slowly cooling it. CONSTITUTION:A molten body contg. rare earth elements (RE) including Y, Ba a...