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398results about How to "Increase density" patented technology

Memory cell

The invention is in the field of Computer Engineering and can be used in memory devices for various computers, specifically in developing a universal memory system with high data reading and writing speed along with capabilities for long term storage and high information density, as well as in developing video and audio equipment of a new generation, in developing associative memory systems, and in creating synapses (electric circuit elements with programmable electric resistance) for neuronal nets. The lack of such an element holds back the development of true neuronal computers. The invention is based on the task of creating an essentially new kind of memory cell that would allow to store several bits of data, would have fast resistance switching and require low operating voltage but at the same time would allow to combine its manufacturing technology with the modern semiconductor manufacturing technology. FIG. 6 shows an implementation option of the claimed memory cell containing two continuous aluminum electrodes 1 and 2 between which there is a multilayer functional zone consisting of one active layer 3, one barrier layer 4 and one passive layer 5. This structure of the functional zone allows to change electric resistance of the active zone and/or form highly conductive areas or lines with metallic conduction in the active zone under the influence of the external electric field and/or its light emission on the memory cell and to retain its electric resistance for long periods of time without applying external electric fields. The memory cell is advantageously distinctive from the currently used single bit memory elements, in that it can store several bits of information. The data storage time depends on the memory cell structure, the material used for the functional zone and the writing mode. It can vary from several seconds (can be used to build dynamic memory) to several years (can be used for building long term memory, such as Flash memory). It is possible to create universal memory that can work in both dynamic and long-term modes, depending on the data-writing mode.
Owner:ADVANCED MICRO DEVICES INC

Daily-use dry heating resistant ceramic and manufacturing process

The invention belongs to the field of daily-use ceramic products and particularly relates to a daily-use dry heating resistant ceramic and a manufacturing process. The daily-use dry heating resistant ceramic comprises a dry heating resistant body and a dry heating resistant glaze, the dry heating resistant body and a glaze layer of the dry heating resistant glaze are combined closely, the glaze layer of the dry heating resistant glaze is 0.5-0.8mm in thickness, and the ceramic is capable of withstanding high-temperature open-flame dry heating, resistant to a high temperature above 900 DEG C, extremely low in thermal expansion coefficient, excellent in thermal shock resistance, resistant to more than 30 times of 900-20 DEG C heat exchange without cracking and smaller than 0.003% in water absorption. By regulation of raw material components according to the manufacturing process of the daily-use dry heating resistant ceramic, compactness of the body can be improved, the body is kept intact and closely combined in a glazing process, green body firing is avoided, one-time firing molding is realized, and consequently energy consumption can be reduced by 40% or more, and fuel consumption and fuel cost are reduced while energy saving and emission reduction are significantly benefited.
Owner:福建省德化县九鼎陶瓷有限公司

Pressure-adjustable vibratory type hot pressed sintering furnace

The invention relates to a pressure-adjustable vibratory type hot pressed sintering furnace design capable of being used in a hot pressed sintering method for preparing various powder metallurgy product materials. The pressure-adjustable oscillatory type hot pressed sintering furnace has the following main characteristics: during the pressure sintering process, the magnitude of the sintering pressure is controllable, so that the repetitive loading and unloading of the sintering pressure can be realized, thus vibratory sintering is realized, the sintered density of sintered materials under the condition of vibratory sintering can be further improved, and the mechanical energy can be converted into sintering energy. The sintering furnace is mainly characterized in that on the basis of the original common hot pressed sintering furnace, a pressure-adjustable vibrator is additionally arranged at the bottom of the furnace, and the frequency and amplitude of pressure vibration can be adjusted through a control system. The sintering furnace provided by the invention has the characteristics of high temperature furnaces, controlled atmosphere furnaces and pressure-adjustable vibratory sintering production, and can be used for greatly improving the sintered density and mechanical properties of the product.
Owner:QINGDAO UNIV OF SCI & TECH

Coarse-aggregate-containing C220-strength-grade ultrahigh-performance fiber concrete and preparation method

The invention discloses coarse-aggregate-containing C220-strength-grade ultrahigh-performance fiber concrete and a preparation method. The concrete is composed of, by mass, 545 parts of cement, 63 parts of water, 900 parts of rubble, 750 parts of fine aggregate, 72 parts of coal ash, 65 parts of rice husk ash, 140 parts of silicon ash, 15.5 parts of water reducer, 11.5 parts of excitant, 1.7 parts of cellulosic fiber, 78 parts of steel fiber, 48 parts of hydroxyl modified carbon nanotube dispersion, 50 parts of oxidized graphene dispersion and 2.9 parts of defoamer. The concrete prepared by the method has high toughness and durability and has high binding strength with section steel, compressive strength reaches 224.31MPa, bending strength reaches 47.45MPa, splitting tensile strength reaches 22.37MPa, the binding strength with the section steel reaches 8.92MPa, and chlorion anti-permeation grade reaches VI grade. When the concrete is used in a section steel and concrete combined structure, cooperative working performance between the section steel and the concrete can be brought into play effectively, and the defects that the section steel and the concrete are poor in binding performance and respective mechanical performance of the section steel and the concrete cannot be brought into full play are made up.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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