35results about How to "Improve aging stability performance" patented technology

A pencil-type glow plug for a self-igniting internal combustion engine is described. The pencil-type glow plug includes a plug body in which a combustion chamber pressure sensor is integrated, and a bar-shaped heating element that protrudes out from the plug body at one end, into the combustion chamber of the internal combustion engine. A force-measuring element of the combustion chamber pressure sensor is accommodated behind the heating element, which moves axially under the influence of force. The force-measuring element is sealed against combustion chamber gases by a steel diaphragm made of a stainless precipitation-hardened maraging steel.

PCT No. PCT/JP98/00676 Sec. 371 Date Nov. 10, 1998 Sec. 102(e) Date Nov. 10, 1998 PCT Filed Feb. 18, 1998 PCT Pub. No. WO98/40441 PCT Pub. Date Sep. 17, 1998Disclosed is water based ink having metallic luster adapted for a direct-filling ball-point pen, which is used by being directly filled into the tube, said ink comprising, based on the total amount of the ink composition, 1% to 20% by weight of a metallic color pigment comprising metallic powder and a color pigment adsorbed thereon, 0.1% to 1.0% by weight of a water-soluble or water-dispersible polymer agent which imparts pseudo-plasticity, and water, thereby providing ink satisfactory in beauty and luster and excellent in aging stability and writing properties.

An optoelectronic semiconductor chip has a semiconductor body and a substrate on which the semiconductor body is disposed. The semiconductor body has an active region disposed between a first semiconductor layer of a first conductor type and a second semiconductor layer of a second conductor type. The first semiconductor layer is disposed on the side of the active region facing the substrate. The first semiconductor layer is electrically conductively connected to a first termination layer that is disposed between the substrate and the semiconductor body. An encapsulation layer is disposed between the first termination layer and the substrate and, in plan view of the semiconductor chip, projects at least in some regions over a side face which delimits the semiconductor body.

The invention provides an improved antioxidant for foods, feeds, cosmetics and pharmaceuticals, and also compositions which contain this antioxidant as preferably sole added antioxidant additive.

An actinic ray- or radiation-sensitive resin composition according to the present invention comprises a sulfonic acid-generating compound that is decomposed by an action of an acid to generate a sulfonic acid having a volume of 240 ų or more and a compound that generates the acid when exposed to actinic rays or radiation.

An optical recording medium which has a substrate and, formed thereon, a recording layer containing at least two types of dye, that is, a dye A and a dye B, characterized in that the above dye A and the above dye B satisfy the following requirements (1) and (2): (1) they have a decomposition starting temperature of 150 to 250 DEG C, (2) a refractive index n(A) and an exhaustion coefficient k(A) of the dye (A) at the wave length of a laser light for recording, and a refractive index n(B) and an exhaustion coefficient k(B) of the dye (B) at the above wave length satisfy the following formulae: n(B) / n(A) > 0.7 k(B) / k(A) > 10.

Disclosed is a ceramic sintered shaped body containing Y₂O₃-stabilized zirconia with a sintered density of at least 99% of the theoretical sintered density and having a mean grain size of <180 nm. The zirconia fraction of the sintered shaped body comprises tetragonal and cubic phases. Also disclosed is a process for the production of a ceramic sintered shaped body containing Y₂O₃-stabilized zirconia, which process comprises dispersion of a submicron powder and comminution of the dispersed submicron powder by means of grinding media having a diameter of less than or equal to 100 μm to a particle size d₉₅ of <0.42 μm; shaping of the dispersion to form a body, and sintering of the body to form the sintered shaped body.

In automotive exhaust gas catalysts with a metallic honeycomb composed of corrugated and smooth sheet layers, it is known that the heat capacity and thermal conductivity of the honeycomb can be reduced by perforations in the sheet layers. As a result, the honeycomb heats up more rapidly and the catalytic coating applied on the honeycomb reaches its operating temperature more rapidly. A disadvantage here is the reduction in the support surface area by the perforations in the sheet layers. According to the invention, suitable adjustment of the properties of the coating suspension used for the catalytic coating and of the dimensions of the holes relative to one another allows the holes to be filled permanently with catalyst material. The resulting catalyst has, at the same coating concentration as a catalyst with unperforated sheet layers, a significantly reduced heat capacity and thermal conductivity.