213 results about "Area density" patented technology

Embodiments of a gas distribution plate for distributing gas in a processing chamber are provided. In one embodiment, a gas distribution assembly for a plasma processing chamber comprises a diffuser plate with gas passages passing between its upstream and downstream sides and hollow cathode cavities at the downstream side of the gas passages. The downstream side of the diffuser plate has a curvature to improve the thickness uniformity and film property uniformity of thin films deposited by PECVD, particularly SiN and amorphous silicon films. The curvature is preferably described by an arc of a circle or ellipse, the apex thereof located at the center point of the diffuser plate. In one aspect, the hollow cathode cavity volume density, surface area density, or the cavity density of the diffuser increases from the center of the diffuser to the outer edge. Methods for manufacturing such a diffuser plate are also provided.

A reduced keyboard apparatus and method for use with small-sized communications and computing devices. Input via the keyboard is performed using fingers or thumbs The keyboard is characterized by having no discrete boundaries between the included character spaces. The direction and the destination area of a keystroke do not have to be accurate and may correspond to a plurality of included character spaces. Each of the possible characters is provided with a probability value, continuously re-defined according to the specific keyboard area activated by the keystroke. The input of a word is defined by a sequence of keystrokes corresponding to the letters of the word. Subsequent to the completion of a keystroke sequence, the apparatus and method determine the identity of the word through a disambiguation process based on area density distribution. The apparatus and method enable fast, natural, and intuitive tapping on small keyboards having character areas much smaller than the user's fingers while at the same time provide highly efficient word determination.

A pulse laser beam having a rectangular irradiation region is irradiated on the same point in a non-single crystal semiconductor film multiple times. The pulse laser beam has an energy profile in a longitudinal direction in the beam irradiation region as follows: (a) there are the first region having an energy density of Ea or higher and the second regions on both sides of the first region having an energy density of less than Ea, and (b) an energy density slope has an absolute value of 20 to 300 J/cm3 in a boundary region extending to 1 mum from the boundary line between the first and the second regions.

A reduced keyboard apparatus and method for use with small-sized communications and computing devices. Input via the keyboard is performed using fingers or thumbs. The keyboard is characterized by having no discrete boundaries between the included character spaces. The direction and the destination area of a keystroke do not have to be accurate and may correspond to a plurality of included character spaces. Each of the possible characters is provided with a probability value, continuously redefined according to the specific keyboard area activated by the keystroke. The input of a word is defined by a sequence of keystrokes corresponding to the letters of the word. Subsequent to the completion of a keystroke sequence, the apparatus and method determine the identity of the word through a disambiguation process based on area density distribution. The apparatus and method enable fast, natural, and intuitive tapping on small keyboards having character areas much smaller than the user's fingers while at the same time provide highly efficient word determination.

A deposition energy distribution when a charged particle beam is made incident upon a resist film, is approximated by a sum of element distributions having Gaussian distributions. A pattern area density map partitioning the pattern layout plane into small regions, is defined for each element distribution. First and second sub-steps are repeated for each of the pattern area density maps. In the first sub-step, an area density of each small region is obtained. In the second sub-step, in accordance with an energy deposition rate, an exposure dose assigned to a pattern in a first small region, an area of the pattern and the area density of the first small region, the deposition energy to be given to the target small region is obtained and the corrected area density is calculated. A deposition energy at an evaluation point on a pattern layout plane is calculated from the corrected area densities.

An absorbent article having a topsheet in facing relationship with an absorbent core. The topsheet has a pair of tuft region lateral boundaries. Each tuft region lateral boundary is defined by a line or a portion of a line separating a plurality of first tufts from a plurality of second tufts, first tufts and second tufts differing in either height or area density. The tuft region lateral boundaries are on opposing sides of the longitudinal centerline. The tuft region lateral boundaries extend longitudinally along transversely opposite sides of the topsheet and are spaced apart from each other by a distance gradually increasing or gradually decreasing from a minimum or maximum, respectively, at a parallel transverse axis towards longitudinally opposing ends of the tuft region lateral boundaries. The tufts have fibers integral with and extending from the fibrous nonwoven web.

There is provided a battery including a positive electrode, a negative electrode, a separator at least including a porous film, and an electrolyte. The positive electrode includes a positive electrode current collector having a pair of surfaces, and a positive electrode active material layer provided on each of the surfaces of the positive electrode current collector. The positive electrode active material layer contains a positive electrode active material. The positive electrode active material layer has an area density S [mg/cm2] more than or equal to 30 mg/cm2. The porous film included in the separator has a porosity ε [%] and an air permeability t [sec/100 cc] which satisfy a predetermined formula.

A security device is disclosed that has an image formed upon a substrate. The image has a first printed region and a second different printed region both printed with a same ink formulation of field alignable flakes. At least one of the printed regions has optically variable effects. One of the first and second printed regions at least partially surrounds the other. The second printed region is formed of thin parallel lines and the first printed region has substantially wider lines than are printed in the second printed region. The area density of the ink in a line in the first group of wider lines is greater than the area density of a line in the second group of narrower lines. A surprising effect of this image is that particles or flakes in the ink are field aligned so as to produce a visible kinematic dynamic effect visible in the first region and not visible in the second region when the image is tilted or rotated.

The resolution, frame rate, or both can be improved when imaging moving subjects in an imaging apparatus using a CMOS image sensor. The imaging apparatus has an image sensor having a two-dimensional array of pixels. Each of the pixels includes an element operable to produce an electric charge by photoelectrically converting light from an imaged subject and a part operable to accumulate the produced charge and output an accumulated charge or a signal representing the accumulated charge. The imaging apparatus also has an area control unit operable to define a specified area of the image sensor containing a plurality of pixels and an area density control unit operable to specify a density of pixels read from the specified area defined by the area control unit.

Patterns for exposure are divided into subdivided regions taking into consideration a scope of an effect of backscattering, the Coulomb effect, and process factors, respectively, on errors in dimensions, and a pattern area occupancy ratio (pattern area density) within the respective subdivided regions is retained, thereby executing exposure with patterns after finding dimensions of pattern modification as the function of the respective pattern area densities. As a result, it becomes possible to fabricate a mask provided with correction for the errors in the dimensions, caused by plural factors such as backscattering, the Coulomb effect, and process factors, and to obtain highly accurate patterns for exposure. Further, use of pattern area density maps enables data processing time necessary for correction to be considerably reduced.

The invention discloses a device that can stretch the reflection plane in space, which includes a foldable ring pole, a foldable rib pole and a plurality of connection joints, wherein, every two foldable ring poles (1) are connected by a ring pole connection joint (2) to form a furling and stretching ring structure; every two foldable rib poles (3) form a furling and stretching rib structure by a rib pole connection joint (4); one end of the rib structure is connected with the ring structure by a ring rib connection joint (5) and the other end is connected with a central ribbed tube connection joint (6) to form a whole rigid body; the ring pole connection joint and the rib pole connection joint drives, locks and controls the foldable ring pole to stretch from the vertical furled state to the horizontal stretched state and controls the foldable rib pole to stretch from the vertical furled state to the expected curve proximity state. The invention has low area density, high structural precision and large holding rate and can be used for the ground or space as a reflector or a collector.

The invention relates to a system and a method for inkjet printing with a differential halftoned protective overcoat with gloss compensation. The method for operating an inkjet imaging system includes generating a coverage area map that identifies areas of an image that have different coverage area densities. Color inkjet ejectors form an image on an image receiving member, and clear inkjet ejectors eject halftone patterns on the image receiving member and on the ink forming the image. The halftone levels of the clear ink in each area on the image and image receiving member are selected in response to the coverage area density for each area.

The invention discloses a beef marbling grade scoring method and a device, aiming at solving the problem that the manual scoring method has large subjectivity and arbitrariness. The method comprises the following steps: intaking a cross section image of cattle eye muscle; segmenting the eye muscle region on the cross section of the cattle eye muscle; extracting the marbling in the eye region and scoring on the grade of the marbling in the eye muscle, wherein, the grade scoring of the marbling in the eye region comprises that an index system of the grade scoring of the beef marbling and the grade scoring of the marbling in the eye region are established and four parameters of area density Sd and number N, distribution coefficient CVr and size uniformity CVs of the marbling are selected as scoring indexes. The invention also provides a beef marbling grade scoring device comprising a light source, an image acquisition card, a main control computer, a data acquisition card, a camera and a photoelectric sensor; and the beef marbling grade scoring method and the device are used for productive enterprises and inspection departments.

The composite needle-entangled automobile carpet consists of one facing material layer and one bottom material layer. The facing material layer is mixed needle-entangled non-woven fabric of polyester fiber and low smelting point fiber and has an area density of 120-300 g/sq m, and the bottom material layer consists of mixed and reinforced polyester fiber and low smelting point fiber and has an area density of 250-1400 g/sq m. The automobile carpet is produced through compounding low smelting point fiber to the facing material layer in proper temperature, and the production process is simple, high in efficiency and low in cost.

A consumer product comprises: (a) a porous dissolvable solid structure, and (b) a hydrophobic coating comprising a benefit agent. The hydrophobic coating is applied to the porous dissolvable solid structure and the hydrophobic coating has an area density of application of less than about 250 μg per mm² of the porous dissolvable solid structure. A method of forming an aqueous treatment liquor comprises the steps of: (a) providing a consumer product, (b) providing an aqueous solution, and (c) dissolving the consumer product in the aqueous solution to form an aqueous treatment liquor comprising a hydrophobic portion and an aqueous portion.

A charged particle beam writing apparatus includes a charge amount distribution calculation unit configured to calculate a charge amount distribution which is charged by irradiation of a charged particle beam onto a writing region of a target workpiece, by using a charge decay amount and a charge decay time constant both of which depend on a pattern area density, a position displacement amount distribution calculation unit configured to calculate a position displacement amount of each writing position due to charge amounts of the charge amount distribution by performing convolution of each charge amount of the charge amount distribution with a response function, and a writing unit configured to write a pattern on the each writing position where the position displacement amount has been corrected, using a charged particle beam.

A multi charged particle beam writing method includes calculating first shot positions of multiple beams, each of which includes a distortion amount of an irradiating corresponding beam, in a case of irradiating each beam, based on control grid intervals, calculating first condition positions based on a pre-set condition, each of which is arranged in a corresponding first region surrounded by closest second shot positions of 2×2 in length and width of the first shot positions, calculating, for each of second regions respectively surrounded by closest second condition positions of the first condition positions, an area density of a figure pattern in overlapping with a second region concerned, calculating an irradiation amount or an irradiation time of each beam whose corresponding first shot position is in a corresponding second region, based on an area density, and writing a pattern by irradiating a beam of the calculated irradiation amount or time.

A writing method includes calculating a proximity effect-corrected dose for correcting a proximity effect in charged particle beam writing, for each first mesh region made by virtually dividing a writing region of a target object into a plurality of first mesh regions of a first mesh size, calculating a fogging effect-corrected dose by using the proximity effect-corrected dose calculated and an area density in the first mesh size with respect to a part of a calculation region for calculating the fogging effect-corrected dose for correcting a fogging effect in the charged particle beam writing, and by using an area density in a second mesh size larger than the first mesh size with respect to a remaining part of the calculation region, synthesizing the fogging effect-corrected dose and the proximity effect-corrected dose for the each first mesh region, and writing a pattern on the target object by using a charged particle beam based on a synthesized correction dose.

The invention discloses a moire pattern anti-fake method based on a linear grating. The moire pattern anti-fake method specifically comprises the steps that firstly, a background color block is established, and four channels in the background color block are separated; secondly, screening processing is carried out on the channels, the net points of the channel in which hidden information is embedded are in a straight line shape, and the rest of the channels are circular; thirdly, a hidden image is manufactured; fourthly, a digital image comprising the hidden information is manufactured; fifthly, the linear grating is manufactured; sixthly, the hidden information is extracted. The hidden information is embedded in one channel on which screening is carried out through the straight line, conventional net point screening is adopted for the other channels, and finally the hidden information is extracted through the matched linear grating. The digital image in which the hidden information is embedded has a very good hiding effect; when the hidden information is extracted, the hidden information is highlighted through the sharp contrast of the area density and the color displaying of the hidden channel, the displaying definition of the hidden information is improved, and therefore the moire pattern anti-fake quality is improved.

The invention provides a deployable parabolic cylindrical antenna based on a tension structure. The deployable parabolic cylindrical antenna comprises a mesh support mechanism, a mesh retaining mechanism, a flexible cable and a wire mesh. The wire mesh is fixed on the flexible cable. The mesh support mechanism is constitutes a skeleton supporting the wire mesh. The mesh retaining mechanism is used for maintaining the basic shape of a parabolic cylinder so that the parabolic cylindrical antenna has a high surface accuracy. The flexible cable is staggered on the mesh support mechanism and forms the required the parabolic cylinder shape with the wire mesh. When the antenna is drawn in, a deployable truss shrinks in a straight line, the mesh support mechanism is folded and drawn in on two sides of the parabolic cylinder, and the flexible cable and the wire mesh are drawn in to a free space of the mesh support mechanism; when the antenna is deployed, the deployable truss is deployed in a straight line, the mesh support mechanism extends to two sides of the parabolic cylindrical antenna, and the flexible cable tightly supports the wire mesh to form the parabolic cylinder. The deployable parabolic cylindrical antenna of the invention has the advantages of large deployed diameter and small area density, and can be used for searching a target in the air and measuring the azimuth of the target.

A wear-proof mechanical end face sealing structure comprises mechanical sealing movable and fixed rings, on the end faces of which are machined microlugs arranged a girdle according to the centre of the end face. Beside the girdle is disposed a ring sealing dam with a smooth surface symmetrically about the centre of the end face and there is at least one ring sealing dam on the end face. The parametric range of the microlug structure is that, the aspect ratio or the breadth depth ratio is 0.5~30, the height is 2~500 mu m, the area density is 0.1~0.7 and the distance between the section axile wires of the adjacent microlugs is 0.05~1.0 mm.