173results about How to "Less scratches" patented technology

Provided is a magnetic tape, which comprises, on a nonmagnetic support, a nonmagnetic layer comprising nonmagnetic powder and binder, and on the nonmagnetic layer, a magnetic layer comprising ferromagnetic powder and binder; wherein at least the magnetic layer comprises one or more components selected from the group consisting of a fatty acid and a fatty acid amide; a quantity of components selected from the group consisting of a fatty acid and a fatty acid amide per unit area of the magnetic tape among components that are extracted from a surface on the magnetic layer side of the magnetic tape is less than or equal to 15.0 mg/m², and a concentration of carbon, C, that is obtained by X-ray photoelectron spectroscopy conducted at a photoelectron take-off angle of 10 degrees on the surface on the magnetic layer side of the magnetic tape is greater than or equal to 50 atom %.

The invention relates to a Chinese medicament for treating skin diseases, which is prepared from radix rubiae, peach kernels, schizonepeta spike, snake slough, radix paeoniae rubrathe, Chinese angelica root, cogongrass rhizome, broom cypress fruit, siberian cocklebur fruit, dried rehmannia root, capsule of weeping forsythia, honeysuckle flower, dandelion, poria cocos, corktree bark, Chinese honey locust, root of ballon flower, motherwort, bitter apricot seed, ledebouriella root, the medicament can be prepared into any of the conventional oral administration preparation by employing the conventional methods for preparing traditional Chinese medicinal preparation.

An abrading plate has a self-stopping capability such that when an object, such as a semiconductor wafer having a device structure that includes raised regions and depressed regions fabricated on the surface, is being polished, the raised regions are removed and polishing stops automatically. The abrading plate, to produce a flat and mirror polished surface on the an object, has abrasive particles having a chemical purity of not less than 90% and a particle size of not more than two micrometers, a binder material, and a given volume of porosity. A ratio of the abrasive particles and the binder material is not less than 1:0.5 by volume, and proportions of abrasive particles, a binder material and porosity are, respectively, not less than 10%, not more than 60% and 10-40% by volume. A surface is polished for a given duration with a liquid not containing abrasive particles so as to eliminate the raised regions and to obtain a flat surface. Additional surface removal is performed by supplying abrasive particles to the polishing interface to remove surface material uniformly from the entire surface.

A stereoscopic image display device 30 comprising a backlight 32, a liquid crystal display panel 36, a liquid crystal parallax barrier 44, and a spacer member 40 arranged between the liquid crystal display panel 36 and the liquid crystal parallax barrier 44, in which the spacer member 40 is made of a glass material different from that of the glass substrates 36a, 36b constituting the liquid crystal display panel 36, and the spacer member 40 is a glass substrate having a thermal expansion coefficient larger than that of the glass substrates 36a, 36b constituting the liquid crystal display panel 36. More specifically, it is preferable that the spacer member 40 consist of a soda glass substrate and that the liquid crystal display panel 36 for display be formed of non-alkali glass. With this constitution, it is possible to provide a stereoscopic image display device, which can be used as a large-sized stereoscopic image display device by means of the liquid crystal parallax barrier method, with good display quality and where due consideration has been given to the thermal expansion of the substrate caused by heat generated by the backlight, and the manufacturing method therefor.

According to the present invention, a functional sheet, comprising a polarizing or photochromic functional layer and protective layers provided on both surfaces of the functional layer can be provided. The protective layers include an aromatic polycarbonate resin sheet or film. At least one of the protective layers is a co-extruded sheet or film including an aromatic polycarbonate resin layer and an acrylic-based resin layer provided on one surface or both surfaces of the aromatic polycarbonate resin layer. At least one surface of the functional sheet is of the acrylic-based resin layer. Also according to the present invention, a lens using such a functional sheet can be provided.

The present invention provides a cerium oxide-based abrasive ensuring high removal rate, less generation of scratches, high-precision polished surface with small surface roughness, and a safe, simple and low-cost production process. Further, the present invention provides a method for producing such an abrasive. The method of the present invention comprises (a) adding a precipitant to an aqueous cerium-containing light rare-earth salt solution to precipitate a light rare-earth salt, thereby obtaining a first slurry containing a light rare-earth salt particle; (b) adding a fluorinating agent to a slurry containing a light rare-earth salt particle to react the light rare-earth salt with the fluorinating agent, thereby obtaining a second slurry containing a light rare-earth fluoride particle; (c) mixing the first slurry and the second slurry to obtain a mixed slurry; and (d) drying and firing the mixed slurry, and a cerium oxide-based abrasive obtained by this method. The abrasive of the present invention is produced by the method of the present invention.

The invention discloses an application of nocardia rubra cell wall skeleton (N-CWS) in preparation of drugs for treating skin lesions, which comprise at least one of eczema, neurodermatitis, non-specific dermatitis, atopic dermatitis, and psoriasis. N-CWS is used to treat skin diseases including eczema, neurodermatitis, non-specific dermatitis, atopic dermatitis, and psoriasis, can effectively relieve the symptoms of lesions such as exudation, swelling, red spots, toughened epidermis, lichenification, scaling, itching, and the like, reduces the skin damage caused by scratching and chronic friction, and finally improves and cures the skin diseases.

To polish polishing target surfaces of SiO₂ insulating films or the like at a high rate without scratching the surface, the present invention provides an abrasive comprising a slurry comprising a medium and dispersed therein at least one of i) cerium oxide particles constituted of at least two crystallites and having crystal grain boundaries or having a bulk density of not higher than 6.5 g/cm³ and ii) abrasive grains having pores. Also provided are a method of polishing a target member and a process for producing a semiconductor device which make use of this abrasive.

The invention discloses a slip band type intelligent apparatus. The slip band type intelligent apparatus comprises a body, a display module, an annular band and at least one slip band type touch sensing structure; the display module is arranged in the body; the display module comprises a display unit and a processing unit; the processing unit is coupled with the display unit; the annular band is arranged on the side edge of the display module; the slip band type touch sensing structure is arranged on the annular band, and coupled with the processing unit; and the slip band type touch sensing structure senses at least one trigger event. By arranging the annular band with the touch input function on the two sides of the display unit, pictures or objects displayed by the display unit are not covered when the slip band type intelligent apparatus is operated by a user.

The invention provides a processing method for copper target materials, comprising the following steps: mechanical processing is carried out on a copper workpiece for three times with gradually increasing accuracy, wherein spray cooling is adopted during the third mechanical processing, a full-wave clamp is adopted for fixing the copper workpiece in three times of mechanical processing processes, and stress release is carried out on the copper workpiece at least between the first mechanical processing and the second mechanical processing. The processing method for the copper target materials can prevent oxidation of copper in a mechanical processing process, and enable the copper target materials to obtain better consistency of surface grains and lower surface roughness.

The invention relates to a multifunctional floor brush comprising a floor brush surface cover, a floor brush base plate, an air inlet arranged on the floor brush base plate and for dust-containing air flow entrance, and a floor brush connection pipe connecting a dust collector. A brush bar scraping dust on the floor and a first elevating structure driving the brush bar to move up and down are arranged close to the air inlet, and a second elevating structure lifting the floor brush base plate to change a distance between the floor brush base plate and the to-be-cleaned floor. The multifunctional floor brush can meet a demand of high dust collecting capacity of ERP and use comfortableness and flexibility under different conditions; mobile resistance of the floor brush can be reduced; large particles can be easily absorbed, so damage to the floor by large particles can be reduced; and the multifunctional floor brush has great practical meaning.

The invention provides a processing method for copper target materials, comprising the following steps: a copper workpiece is processed through mechanical processing with gradually increasing accuracy for three times, wherein the copper workpiece is fixed by a full-wave clamp in three times of mechanical processing processes, and stress release is carried out on the copper workpiece at least between the first mechanical processing and the second mechanical processing. The copper target materials obtained through the processing method for the copper target materials has better consistency of surface grains and lower surface roughness.

The invention discloses a corundum surface KINGHARD floor and a production process thereof. The floor comprises a substrate (1), the surface of the substrate (1) is provided with a corundum surface finish coat layer (115), 14 coatings are also arranged below the corundum surface finish coat layer (115), and 15 varnishing processes are adopted in the process of the floor. The corundum surface floor has high surface rigidity, favorable wear resistance, coating adhesiveness and combinability of the coatings and the floor and high transparency, does not deform easily when the floor bears the pressure of heavy objects, protects the floor from contacting moisture, and avoids drastic expansion or shrinkage, prevents worm biting, and can display natural grain of woods and maintain the aesthetic feeling of the floor; the coatings do not have obvious change when the coatings are used for a long period of time, even if heavy furniture or tables and chairs are hauled on the floor, the phenomenon of scratches, whitening or falling seldom occurs to wood floors, and the coatings do not fall easily due to elongated service time.

The invention discloses a controller applicable to a gear-free touch control handheld type electronic device. The handheld type electronic device comprises a touch control outer cover, a panel, a controller and a central processing unit. The touch control outer cover is provided with an outer cover body and a touch control sensing structure. The controller, the panel and the touch control sensing structure are in signal connection with one another. The outer cover body is arranged on the other side, opposite to the panel, of the handheld type electronic device. The controller comprises a driving unit, a sensing unit and a processing unit. The driving unit outputs a driving signal to the touch control sensing structure. The sensing unit receives double-finger sliding from a single hand holding the handheld type electronic device. The processing unit generates a selected signal, generates a transmitting signal according to the double-finger sliding, and transmits the selected signal and the transmitting signal to the central processing unit. The central processing unit controls the panel to display selected data according to the selected signal, and transmits the selected data to a target electronic device according to the transmitting signal. By means of the gear-free touch control handheld type electronic device, fingers can be prevented from shielding the sight of a user in an operation process, panel scratches are reduced, and the gear-free touch control handheld type electronic device can be operated and controlled by a single hand in a multi-touch way.

The invention relates to a socket. A socket (100) of the present invention includes a base member (20), a cover member (30), a plurality of contacts (40), a latch member (60A) that is rotatably supported by the base member (20) and rotates in response to movement of the cover member (30), an adaptor (50) providing a mounting surface for an IC package and attached with the base member (20) so as to move in an up and down direction in response to the movement of the cover member (30), and a latch plate (200) rotatably attached with the adaptor (50A) and urged by an elastic member. The adaptor (50A) is formed with a latch guide (58) that moves the latch plate (200) in the vertical direction when the latch plate (200) presses the IC package.

The present disclosure provides a polydispersion large-particle-size silica sol and a method of preparing the same. The polydispersion large-particle-size silica sol is mainly used as a polishing solution to enhance a polishing rate. The preparing method prepares the silica sol by stirring and heating a monodisperse spherical silica sol with a particle size of 20 nm-30 nm which is taken as a seed crystal, and meanwhile constantly adding, by drops, the seed crystal of the monodisperse spherical silica sol with a particle size of 20 nm-30 nm and active silicic acid into a reaction system, wherein during the whole reaction process, a heating concentration method is adopted to maintain a constant liquid level and during this period, inorganic dilute alkali solution is added by drops to maintain the pH value of the system between 9.5 and 10.5; cooling is performed after heat preservation. With the silica sol prepared according to the present disclosure, the polishing rate can be effectively enhanced, and meanwhile, occurrences of scratches can be reduced.