Disclosed is a method for driving an active matrix type liquid crystal display device including a first electrode, a second electrode, and a liquid crystal layer interposed between the first and the second electrodes, and the liquid crystal layer having a larger polarization when a voltage of a first polarity is applied to the first electrode against the second electrode than that when a voltage o...

A drive circuit is provided in an active type electroluminescence (EL) display device including a plurality of EL elements (20). Each EL element is composed of a plurality of anodes (201) separately formed corresponding to each pixel, a cathode (202) commonly formed for the plurality of anodes, and an emissive layer (45) interposed between the anodes and the cathode. The EL elements are driven by ...

An optical pickup apparatus to conduct reproducing and/or recording information of an optical information recording medium, comprises a light source to emit a light flux having a wavelength of lambda (nm); a converging optical system to converge the light flux emitted from the light source onto a information recording surface of the optical information recording medium, the converging optical sys...

Styrene derivatives of formula (1) are novel wherein R1 is hydrogen, C1-20 alkyl, fluoro-substituted C1-20 alkyl, chloro, or trichloromethyl, R2 is a phenol protecting group, p, q and r are integers in the range of 0>=p>5, 0>=q>5, 0>r>5, and 0>p+q>5.Polymers obtained by polymerizing the styrene derivatives are useful as the base polymer of resist compositions.

PURPOSE: Provided is a soft tennis ball which is light and constituted of a single body, and is equipped with a rubber valve by which air in the ball does not leak out to the outside, and a sealing effect is sufficiently obtained. CONSTITUTION: The soft tennis ball includes a rubber valve(3) for air injection. The rubber valve is bonded to a part in the ball spherical shell(2). The rubber valve ha...

A semiconductor laser device includes a dielectric multilayer film with a reflectance of 40% or more, on at least one of optical exit faces of a laser chip. The dielectric multilayer film includes a film of tantalum oxide (Ta₂O₅) and another film of a dielectric oxide, such as aluminum oxide (Al₂O₃), and silicon oxide (SiO₂). The tantalum oxid...

In the color liquid crystal display, an insulating substrate having an analog amplifier which is likely to suffer failure formed thereon, and an insulating substrate having a circuit portion other than the analog amplifier formed thereon are separately prepared and quality-tested, and only the insulating substrate of good quality is mounted on the insulating substrate of good quality. This can inc...

A method of producing a semiconductor laser element including, growing a lower cladding layer, an active layer, a first left upper cladding layer, a first etching stopper layer, a second left upper cladding layer, a second etching stopper layer, an upper cladding layer and a contact layer in the order on a semiconductor substrate to form a laminate structure, doping an impurity end portions near t...

PURPOSE: To align substrates by externally moving substrates in XYθ directions outside of pressurizing plates while keeping only the space between the pressurizing plates in a sealed state. CONSTITUTION: The pressurizing plates 1, 2 holding two substrates A, B are moved nearer to each other so as to seal the space between the peripheral edges 1a, 2a of the plates by a movable sealing means 4 to fo...

An EL display device capable of performing clear multi-gradation color display and electronic equipment provided with the EL display device are provided, wherein gradation display is performed according to a time-division driving method in which the luminescence and non-luminescence of an EL element (109) disposed in a pixel (104) are controlled by time, and the influence by the characteristic var...

The present invention relates to a method for measuring interference power in a time slot CDMA system, especially for applications of downlink receiving devices in a time slot CDMA system. The method includes: performing channel estimation for received signals with channel estimation codes, to obtain the original channel response estimation results h i , i= 1··· P ; predetermining a thresho...

PURPOSE: A temporary member for a handrail is provided to secure the temporary member as a scaffold quiet in execution work, and high in safety by improving a wedge method having many advantages in the aspect of workability and strength. CONSTITUTION: A temporary member for a handrail is installed by using an inserting part of a column in a scaffold, and is composed of a horizontal member(1) and a...

An improved transmission type display device features a light source having plural emission colors and means for controlling the chromaticity of display images, and maintaining it with high precision. The device can be manufactured at low cost by easing the spectral sensitivity tolerances required for the chromaticity sensor. The transmission type display device displays color images by making lig...

A method for manufacturing a glow plug, the glow plug comprising a cylindrical metal shell having an internal bore formed in an axial direction, and a heater tube adapted to be press-fitted from its rear end side into the internal bore and having a leading end closed, the method comprising the steps of: place a stopper abutting on the leading end; and applying an axial load between the stopper and...

At least an interlaced picture frame of a first surface of a substrate is recorded using charge particles beam. A second surface of the substrate is loaded and imaging its first surface is imaged. The second surface locks up the first surface and that the registered image is compared with a reference in order to identify faults in the checked substrate. The subsystem image processor (66) forms a c...

Methods and apparatus are provided for inspecting a patterned substrate, comprising: preparing a reference image and a test image, extracting features from the reference image and extracting features from the test image, matching features of the reference image and features of the test image; and comparing features of the reference image and of the test image to identify defects. Embodiments inclu...

The invention pertains to a process for preparing a sulphided hydrotreating catalyst in which a hydrotreating catalyst is subjected to a sulphidation step, wherein the hydrotreating catalyst comprises a carrier comprising at least 50 wt% of alumina, the catalyst comprising at least one hydrogenation metal component and an organic compound comprising at least one covalently bonded nitrogen atom and...

The present invention relates to a method for preparing a powder without unpleasant odor at a higher beta -glucans content, a larger bulk density and a smaller bacterial number, from the fruit body of Maitake or Yamabushitake, comprising immersing the fruit body of Maitake or Yamabushitake in a heated aqueous acid solution followed by drying and grinding. The aqueous acid solution includes aqueou...

A resist composition comprising a blend of a cyclic polymer having alcoholic groups as soluble groups and a polymer having carboxyl or hexafluoroalcohol groups whose hydrogen atoms are replaced by acid labile groups as a base resin forms a resist film which is improved in transparency, alkali dissolution contrast and plasma etching resistance. >chemistry id="CHEM-US-00001" num="000