144results about How to "High rectangularity" patented technology

The present invention provides a negative dye-containing curable composition comprising at least (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator, (D) a radical-polymerizable monomer and (E) an organic solvent, wherein the organic solvent-soluble dye (B) comprises at least one kind of azomethine-type dye represented by the following formula (I) and at least one kind of tetraazaporphyrin-type dye represented by the following formula (A), and the photopolymerization initiator (C) is an oxime-type compound,

wherein R¹ represents a hydrogen atom or a substituent group; R² to R⁵ each represent a hydrogen atom or a substituent group, R⁶ to R⁷ each represent an alkyl group, alkenyl group, aryl group or heterocyclic group, Za and Zb each represent —N═ or —C(R⁸)═; R⁸ represents a hydrogen atom, alkyl group, aryl group or heterocyclic group; M¹ represents a metal, and Z¹ to Z⁴ each represent an atomic group forming a 6-membered ring composed of atoms selected from carbon and nitrogen.

A carboxylic acid sulfonium salt having formula (1) is provided wherein R⁰ is hydrogen or a monovalent hydrocarbon group, R⁰¹ and R⁰² are hydrogen or a monovalent hydrocarbon group, at least one of R⁰, R⁰¹, and R⁰² has a cyclic structure, L is a single bond or forms an ester, sulfonate, carbonate or carbamate bond with the vicinal oxygen atom, R², R³ and R⁴ are monovalent hydrocarbon groups. The sulfonium salt functions as a quencher in a resist composition, enabling to form a pattern of good profile with minimal LWR, rectangularity, and high resolution.

The invention relates to a microstrip bandpass filter with a sector open-circuit structure, belonging to the technical field of microwave/millimeter wave devices and relating to a microwave/millimeter wave integrated circuit. Based on a traditional parallel coupling microstrip line filter, the microstrip bandpass filter with the sector open-circuit structure adds two sections of sector open-circuit shunts; either sector open-circuited shunt is a one-fourth wavelength terminal open-circuit line with a sector-structure end terminal; and the start terminals of the two sections of sector open-circuit shunts are perpendicularly connected with a center point of an auxiliary microstrip line. The invention has the advantages of simple form, compact structure and high beyond-strip attenuation, not only can be used in a microwave/millimeter wave integrated circuit, but also can be used in a submillimeter wave band with higher frequency. Meanwhile, an input microstrip line and an output microstrip line of the microstrip bandpass filter with the sector open-circuit structure are on the same straight line, thereby facilitating the application in practical projects.

The invention relates to the technical field of bra cup pad, and specifically relates to a vertical cotton breathable bra cup pad with a silica gel net and a preparation method thereof. The vertical cotton breathable bra cup pad comprises a vertical cotton outer layer and a vertical cotton inner layer; a vertical cotton interlayer is arranged between the vertical cotton outer layer and the vertical cotton inner layer; an adhesive layer is arranged between the vertical cotton interlayer and the vertical cotton inner layer; and a silica gel net layer is arranged between the vertical cotton outer layer and the vertical cotton interlayer. The vertical cotton breathable bra cup pad is prepared by a combined technology of hot pressing and cold pressing. The pad is made of vertical cotton, and is light, comfortable, and breathable. A silica gel layer is arranged between vertical cotton layers, the performance of the pad on resisting water washing is enhanced, the anti-collapse effect is good, three-dimensional effect of the cup pad is long-lasting and stable, and the deformation is difficult to happen.

Belonging to capacitor energy storage devices, the invention provides a method for preparation of a three-dimensional porous graphene carbon electrode material from livestock excrement, and application of the prepared carbon electrode material in supercapacitors and other energy storage devices. The method includes: drying the selected sheep excrement to a constant weight, maintaining the original state or conducting crushing, then under atmosphere protection, conducting carbonization and activation treatment at an appropriate temperature, and then carrying out washing and drying, thus obtaining the carbon electrode material with sheep excrement as the raw material. The preparation method provided by the invention is simple, and the raw materials are renewable, rich in sources and low in cost, the method utilizes waste, purifies the environment, and can realize mass production and application implementation. The high-performance supercapacitor electrode material maintains high specific capacitance under large charge-discharge velocity, maintains stable performance, and has relatively high energy density. The electrode material prepared by the method provided by the invention is an excellent electrode material applied to supercapacitors, lithium ion batteries and other energy storage devices.

There is disclosed a resist composition, wherein the composition is used in a lithography and comprises at least: a polymer (A) that becomes a base resin whose alkaline-solubility changes by an acid, a photo acid generator (B) generating a sulfonic acid represented by the following general formula (1) by responding to a high energy beam, and a polymer additive (C) represented by the following general formula (2). There can be provided a resist composition showing not only excellent lithography properties but also a high receding contact angle, and in addition, being capable of suppressing a blob defect in both the immersion exposures using and not using a top coat; and a patterning process using the same.

The invention discloses an ultra wide-band filter based on double minor matters loading harmonic oscillator. The ultra wide-band filter based on double minor matters loading harmonic oscillator comprises a micro-strip substrate, a front part, a reverse part and an input\output port. The front part and reverse part are respectively located on the two sides of the micro-strip substrate. The reverse part is regarded as a metal earth plate of the filter. The input\output port has two ports which are respectively a first input\output port and a second input\output port. The front part comprises a first uniform transmission line unit, a second uniform transmission line unit, a first paralleled coupler feeder, a second coupler feeder, and a double minor matters loading harmonic oscillator. The ultra wide-band filter is compact in structure, small in size, low in cost, and good in speciality.

The invention relates to a band-pass color wheel device for three-dimensional stereoprojection display, which comprises two color wheels capable of rotating around the centre, each color wheel is inlayed with at least an R color band-pass optical filter, a G color band-pass optical filter and a B color band-pass optical filter. Compared with prior art, the invention has the advantages of simple manufacture, low cost and good projection effect.

The present invention provides a polymer compound which can constitute a photoresist composition which is capable of having an excellent resolution, forming a fine pattern with a good rectangularity, obtaining favorable resist characteristics even when acid strength of a acid generated from an acid generator is weak, and having favorable sensitivity; a photoresist composition including the polymer compound; and a resist pattern formation method using the photoresist composition. The photoresist composition and the resist pattern formation method use the polymer compound including an alkali soluble group (i), wherein the alkali soluble group (i) is at least one substituent group selected from an alcoholic hydroxyl group, a carboxyl group, or a phenolic hydroxyl group, and the substituent group is protected by an acid dissociable, dissolution inhibiting group (ii) represented by a general formula (1):

—CH₂—OCH₂_nR₁  (1)

• • (wherein R₁ represents a cycloaliphatic group which contains no more than 20 carbon atoms and may contain an oxygen atom, a nitrogen atom, a sulfur atom, or a halogen atom, and n represents 0 or an integer of 1 to 5.).

The invention relates to a preparation method of a (100) preferred orientation BiFeO3 film, pertaining to the preparation technique of a film material. The invention solves the problems of the prior art for the preparation method of BiFeO3 film, i.e. complicated technique, high cost, high crystallization temperature, low film density, unequal particles distribution, rough surface and no preferred orientation. The preparation steps of the film are that: Fe(NO3)3 and Bi(NO)3 are respectively mixed with acetic acid, and respectively added with glycol solution, and both solutions are mixed and stirred to obtain BiFeO3 sol, and then the BiFeO3 sol is spin-coated to cleaned Pt/Ti/SiO2/Si substrate, and the substrate is dried, roasted, and is done with crystallization and heat treatment, finally the BiFeO3 film is obtained. The preparation method of the BiFeO3 film of the invention has the advantages of high film quality, (100) preferred orientation, good ferroelectric and ferromagnetic performance, and is suitable for industrialization production.

The invention belongs to the technical field of electronic ceramics, and specifically relates to a bismuth ferrite-strontium bismuth titanatemultiferroic composite film and a preparation method thereof. The bismuth ferrite-strontium bismuth titanatemultiferroic composite film comprises the following raw materials: ferric nitrate, bismuth nitrate, tetrabutyltitanate and strontium acetate. The bismuth ferrite-strontium bismuth titanatemultiferroic composite film has stable structure, and is substantially reduced in leakage current density and strengthened in ferroelectric performance.

Polymers comprising fluorinated vinyl alcohol units and having acid labile groups partially introduced are novel. Using such polymers, resist compositions featuring transparency to excimer laser light and alkali solubility are obtained.

The present invention provides a sulfonium salt used in a resist composition that can give a pattern having a high resolution, especially an excellent rectangularity of a pattern form and a small roughness, while not readily generating a defect, in the photolithography using a high energy beam as a light source; a resist composition that contains the sulfonium salt; and a patterning process using this resist composition, wherein the sulfonium salt is shown by the following general formula (1a),

wherein each of R and R⁰ independently represents a hydrogen atom, or a linear, branched, or cyclic monovalent hydrocarbon group having 1 to 30 carbon atoms which may be optionally substituted by a heteroatom or interposed by a heteroatom.

There are provided a negative dye-containing curable composition, comprising (A) an alkali-soluble binder, (B) an organic solvent-soluble dye, (C) a photopolymerization initiator and (D) a radical-polymerizable monomer, wherein: the ratio [y/x] of the mass of (D) the radical-polymerizable monomer [y] to the mass of (A) the alkali-soluble binder [x] is greater than or equal to 5.; also provided is a a color filter produced by using the negative dye-containing curable composition and a method of producing the color filter.

The invention discloses an ultra-wide-band wave-trapping antenna which comprises a base plate, a ground plate located on the back face of the base plate, a reversed-U-shaped parasitic open circuit branch knot, antenna radiation patches, antenna feeders and reversed-U-shaped gaps, wherein the antenna radiation patches, the antenna feeders and the reversed-U-shaped gaps are located on the front face of the base plate. A reversed-U-shaped wide slot is formed in the middle of the ground plate, the reversed-U-shaped parasitic open circuit branch knot is arranged inside the reversed-U-shaped wide slot, and coupling distances are reserved between reversed-U-shaped parasitic open circuit branch knot and the edges of the reversed-U-shaped wide slot. The antenna feeders are arranged on the middle lower portion of the base plate. The projections of the antenna radiation patches on the ground plate are located on the middle lower portion of the reversed-U-shaped wide slot, the reversed-U-shaped gaps are formed in the outer edges of the antenna radiation patches, and coupling distances are formed between the reversed-U-shaped gaps and the outer edges of the antenna radiation patches. A circle where the projections of the antenna radiation patches and the projections of the arc parts of the reversed-U-shaped gaps on the ground plate locate is concentric with the circle where the reversed-U-shaped wide slot and the arc part of the reversed-U-shaped parasitic open circuit branch knot locate. By loading the reversed-U-shaped gaps and the reversed-U-shaped parasitic open circuit branch knot simultaneously, the ultra-wide-band wave-trapping antenna has a wave trapping stop band which is good in rectangular degree, flat in stop band and controllable in band width.

The invention relates to a color segmentation three-dimensional projection device based on band-pass color wheel light-filtering, comprising a left projector and a right projector respectively corresponding to a left eye and a right eye. Both of the left projector and the right projector comprise light sources, band-pass color wheels which can carry out RGB (Red, Green, Blue) three-channel light-filtering, digital micromirror devices DMD and projection lenses. The light sources, the band-pass color wheels and the digital micromirror devices DMD are sequentially arranged, and the projection lenses are positioned on a reflection path of the digital micromirror devices DMD. Compared with the prior art, the invention has the advantages of low cost and good projection effect and is simple to manufacture.

Disclosed herein is a magnetic powder which can provide magnets having excellent magnetic properties and having excellent reliability especially excellent heat stability. The magnetic powder is composed of an alloy composition represented by R_x(Fe_1-aCo_a)_100-x-y-zB_yM_z (where R is at least one kind of rare-earth element excepting Dy, M is at least one kind of element selected from Ti, Cr, Nb, Mo, Hf, W, Mn, Zr and Dy, x is 7.1-9.9 at %, y is 4.6-8.0 at %, z is 0.1-3.0 at %, and a is 0-0.30, and the magnetic powder being constituted from a composite structure having a soft magnetic phase and a hard magnetic phase, wherein when the magnetic powder is mixed with a binding resin and then the mixture is subjected to compaction molding to form a bonded magnet having a density ρ[Mg/m³], the maximum magnetic energy product (BH)_max[kJ/m³] of the bonded magnet at a room temperature satisfies the relationship represented by the formula (BH)_max/ρ²[×10⁻⁹ Jm³/g²] 2.40, and the intrinsic coercive force H_CJ of the bonded magnet at a room temperature is in the range of 400-750 kA/m.

The invention relates to a multi-channel combined filter-based color segmentation three-dimensional projection device, which comprises a left projector and a right projector corresponding to a left eye and a right eye respectively, wherein both the left projector and the right projector comprise a light source, a projection lens, a prism and an R filter channel, a G filter channel and a B filter channel arranged side by side; and two groups of complementary wave bands of R1, G1 and B1, R2, G2 and B2 are generated by a method for segmenting the wave bands of the R, G and B channels respectively. The device greatly reduces the manufacturing difficulty of a light filter, reduces the cost, increases the brightness of a three-dimensional projection picture, reduces the color deviation of the three-dimensional projection picture, and effectively avoids double images, ghost images and the like in the prior art.

There is disclosed a positive resist composition comprising (A) a specific resin (B) a photo acid generator, (C) a basic compound, and (D) a solvent. There can be a positive resist composition having, in a photolithography using a high energy beam such as an ArF excimer laser beam as a light source, an excellent resolution, especially excellent depth of focus (DOF) characteristics with an excellent pattern profile, and in addition, in formation of a contact hole pattern, giving a pattern having excellent circularity and high rectangularity; and a patterning process using this positive resist composition.

The invention discloses a laminated-type ceramic radio-frequency low pass filter and a preparation method therefor. The low pass filter comprises four leading-out terminal electrodes and an inner circuit, wherein the electrodes are the input terminal positive electrode, the output terminal positive electrode and two common grounding terminals in sequence; and the inner circuit comprises an inner electrode which is formed by a plurality of built-in capacitors and a plurality of built-in inductors located in the three-dimensional spaces of different dielectric layers. The inductors are in vertical three-dimensional helical structure; and the dielectric layers of the inductors and the capacitors utilize high-frequency low-loss ceramic materials. According to the filter, the dielectric material layers are the high-frequency ceramic material layers; the capacitance and inductance of inner components can achieve minimal adjustment, and a monolithic structure can be realized easily; the preparation technology is mature; consistency is good; the filter is suitable for volume production; and therefore, the low pass filter has the advantages of high cut-off frequency, wide operating frequency range, high out-of-band rejection, good rectangular degree, high reliability and good radio-frequency usage consistency and the like.

A pattern is printed by forming a photoresist layer on a wafer, forming a protective film thereon, exposure, and development. The protective film is formed from a composition comprising a copolymer of hydroxystyrene with acenaphthylene and/or vinylnaphthalene and a mixture of an alcohol solvent and an ether or aromatic solvent.

The invention discloses a high-sensitivity CoFeB based magnetic tunnel junction, which structurally and sequentially comprises a substrate, a transition layer, a magnetic electrode layer, an insulation layer, a magnetic electrode layer and a protecting layer, wherein the magnetic electrode layers are CoFeB layers, and the transition layer is a tungsten layer. The high-sensitivity CoFeB based magnetic tunnel junction has a concrete structure of Si/SiO2/W(3-15nm)/CoFeB(5-20nm)/MgO or Al2O3(1-3nm)/CoFeB(5-20nm)/Ta(1-5nm). W is used for replacing Ta to be used as the transition layer in the magnetic tunnel junction, CoFeB can be promoted to realize the subtile turning in a lower magnetic field, and in addition, good heat stability is realized. Because the W layer cannot easily form alloy with Co and Fe, the CoFeB at the interface part keeps good amorphous morphology, the coercive force of the obtained material is weak, and the rectangle degree is high. After the material annealing, the coercive force and the rectangle degree have small changes, and the heat stability is good.