382results about How to "Manufacturing flexibility" patented technology

An electronic device comprising a population of quantum dots embedded in a host matrix and a primary light source which causes the dots to emit secondary light of a selected color, and a method of making such a device. The size distribution of the quantum dots is chosen to allow light of a particular color to be emitted therefrom. The light emitted from the device may be of either a pure (monochromatic) color, or a mixed (polychromatic) color, and may consist solely of light emitted from the dots themselves, or of a mixture of light emitted from the dots and light emitted from the primary source. The dots desirably are composed of an undoped semiconductor such as CdSe, and may optionally be overcoated to increase photoluminescence.

The invention discloses a method for fabricating an embedded semiconductor memory device, comprising: preparing a semiconductor substrate comprising a region IA and a region IB; forming gate dielectric layers and gate structures sequentially on the semiconductor substrate, with the gate dielectric layer in region IA being a charge trap region, and the gate dielectric layer in region IB being a non-charge trap region; forming source/drain extension regions in region IA and region IB of the semiconductor substrate; and forming source/drain regions in region IA and region IB of the semiconductor substrate. There is provided correspondingly an embedded semiconductor memory device. The invention also provides an embedded semiconductor memory device and a method for fabricating the same. A two-bit storage operation can be enabled for the embedded semiconductor memory device according to the invention so as to achieve high-density storage. Furthermore, the process for forming a logic circuit can be compatible with that for forming a memory device circuit according to the invention.

A wristband particularly suited for infants, has separate printable tag that may be threaded onto a wristband to provide a widened axial segment for clean printing and scanning of a barcode. The bar code is positioned to extend along the wrist so as to remain relatively flat on a wrist that may be a small as an adult's thumb.

The invention relates to an MEMS sensor encapsulation structure and an encapsulation method thereof, which are used for encapsulating an MEMS sensor. The MEMS sensor encapsulation structure is characterized by comprising a ceramic base, a side wall and a top cap, wherein a plurality of metal bonding pads are respectively arranged on a top layer and a bottom layer of the ceramic base; the metal bonding pads on the top layer of the ceramic base are connected with leads of the MEMS sensor; the MEMS sensor is arranged on the ceramic base; the metal bonding pads on the bottom layer of the ceramic base are connected with an external circuit; the ceramic base adopts one-layer or multi-layer perpendicularly interconnected structure; the side wall and the top cap are both made of kovar alloy. According to the invention, the ceramic base of which coefficient of thermal expansion is approximate to that of the MEMS sensor material is selected as the encapsulation material, in order to reduce influence of the base expansion stress to the MEMS sensor; meanwhile, the ceramic base can be utilized to realize one-layer perpendicular interconnection or multi-layer perpendicular interconnection; the system-level integration between the MEMS sensor and the peripheral circuit can be realized within a small area; high-density system-level encapsulation can be realized; the encapsulation flexibility and the expansibility of the MEMS sensor can be realized.

Disclosed herein is a spacer for production of a battery pack using cylindrical batteries as unit cells, wherein the spacer is constructed in the form of a rectangular frame, the spacer is provided at opposite side surfaces (opposite faces) of the rectangular frame with a plurality of battery receiving parts having a circumference-type inner surface structure that partially covers the outer surfaces of the cylindrical batteries, each battery receiving part has a horizontal through-hole, which extends between the opposite side surfaces of the frame, and a pair of battery receiving parts (a unit receiving part) formed at the opposite side surfaces of the frame is connected with another adjacent unit receiving part via structures that can be easily cut. Consequently, the spacer according to the present invention has the effect of allowing the production of a structurally stable battery pack using the minimized number of parts, reducing the number of processes, thereby lowering the costs of products, and preventing the occurrence of short circuits between unit cells during the assembly or the use of the battery pack. In addition, the spacer according to the present invention can be cut into various appropriate sizes, as occasion demands. Consequently, the spacer according to. the present invention has the effect of easily adjusting the capacity and output of a battery pack and effectively removing heat generated from unit cells during the charge and discharge of the unit cells.

A magnetic memory includes a diode as an access device instead of MOS transistor and a magnetoresistive storage serves as a storage element, wherein the diode has four terminals, the first terminal is connected to a read word line, the second terminal serves as a storage node, the third terminal is floating, the fourth terminal is connected to a bit line, and wherein the magnetoresistive storage includes MTJ (magnetic tunnel junction) stack, the first electrode of the stack is connected to the storage node, the second electrode of the stack is connected to a free magnetic layer which serves as a resistor line, those electrodes are isolated by insulation layer, and the stack is coupled to a pinned magnetic layer which serves as a write word line. The diode also serves as a current amplifier with controlling the storage node through the storage element when the resistor line is asserted to measure the resistance of the storage element during read. And current-to-voltage converter receives the current output of the current amplifier, and transfers voltage output to the sense amp which amplifies the received voltage from the (main) memory cell and the reference voltage from the dummy memory cell(s). After latching data, the sense amp output cuts off the current path of the bit line. In the present invention, the memory cells are formed in between the routing layers. Hence the memory cells can be stacked over the peripheral circuits and alternatively multiple cells can be stacked.

A refrigeration appliance is provided which includes a cabinet with a first openable door providing access to a first refrigeration compartment and a second openable door providing access to a second refrigeration compartment. The second openable door has a portion thereof positioned below a portion of the first openable door. A rail separates the first refrigeration compartment and the second refrigeration compartment. A water dispenser is contained in the rail, as well as electronic controls for the refrigeration appliance. The dispenser is arranged to be stationary relative to the refrigeration appliance while the doors are open or closed. The rail may be removed and replaced, and with the water and electronic controls located in the rail, repairs are performed more efficiently and flexibility in manufacturing is enhanced. A drip tray is formed in an exterior side of the second openable door below the dispenser. When the door is opened, the drip tray moves away from the dispenser, permitting the dispenser to be used with larger receptacles than can be accommodated with the drip tray under the dispenser.

The invention relates to a preparation method of a flexible sensor, which comprises the following steps: modifying carbonated polymer on part of the surface of a flexible matrix to form a carbonated polymer layer; irradiating at least part of the carbonated polymer layer with laser to realize in-situ carbonization and form a sensing element; and electrically connecting at least two positions of the sensing element to form electrodes, and then, obtaining a flexible sensor. The method of the invention has the advantages of low cost, strong universality, flexible design, simple manufacture, automatic processing and good technological controllability. The flexible sensor prepared is multifunctional and highly sensitive.

A copper line-clad aluminum silicon carbide ceramic substrate applicable to radiation of a high-power LED is characterized by consisting of an aluminum silicon carbide layer (1), a copper and aluminum oxide layer (2) and copper lines (3), wherein the copper and aluminum oxide layer (2) is arranged on the alumina layer (1); the copper lines (3) are arranged on the copper and aluminum oxide layer (2); the distance between the copper lines (2) is 0.1-1mm; the widths of the copper lines (2) are 200-1000 microns; the heights of the copper lines (2) are 0.01-2mm; the copper line-clad aluminum silicon carbide ceramic substrate is manufactured by the following steps: weighing SiO2, coke and a fluxing agent, and preparing the raw materials into porous silicon carbide; heating an aluminum block and melting the aluminum block into liquid aluminum, mixing the liquid aluminum with the porous silicon carbide in a certain ratio, and preparing the mixture into aluminum silicon carbide powder and a high-thermal conductivity aluminum silicon carbide substrate; cladding copper on the aluminum silicon carbide substrate, heating at a high temperature to form an eutectic melt, and forming an aluminum silicon carbide ceramic substrate layer, the copper and aluminum oxide layer and a copper layer from the bottom up; and etching conductive copper lines. The ceramic substrate has a good application prospect in the aspect of the radiation of the high-power LED.

The invention relates to a gamma correction method, used for a display device which comprises a light source. First, an object brightness value L1 is provided. Then, an optical sensor is utilized to detect the brightness of the light source so as to obtain a detection value S2 of the optical sensor. Then, a brightness value L2 of the light source when the optical sensor is in the process of detection. Finally, the brightness of the light source is adjusted according to L1, L2 and S2.

The invention relates to an automatic awning of an automobile. The awning comprises an awning bracket, an awning remote controller, a power supply, a controller, a blowing device, a furling and stretching motor, a furling main shaft, front sun cloth and rear sun cloth, wherein the power supply, the controller and the blowing device are all arranged on the awning bracket; the power supply is connected with the controller, the blowing device, the furling and stretching motor and the furling main shaft; the awning remote controller is in communication connection with the controller; the furling and stretching motor is in driving connection with the furling main shaft; and one end of the front sun cloth and one end of the rear sun cloth are fixedly connected with the furling main shaft respectively. Compared with the prior art, the awning has the advantages that: the sun cloth of upper and lower layers (one or more layers) is used, and an inflation supporting net with a spatial netlike structure is arranged between the two layers of sun cloth, so that the shape of the sun cloth is determined; because the remote controller, the controller, the motor, the power supply, the blowing device and the like are used, when a driver presses down the remote controller, the awning can be automatically unfolded and fixed to play a good role in sunshade, and labor intensity of workers is greatly lightened.

The invention discloses a low-pressure casting one-step method for manufacturing semi-solid light alloy castings, and belongs to the field of semi-solid metal processing. A device for the method comprises a crucible resistance furnace, a liquid raising tube, a low-pressure sealing platform, a light alloy crystal leading channel, a sealing barrel, a connecting base, a mold fixing platform and a metal mold. According to the low-pressure casting one-step method, molten alloy with the temperature 15-35 DEG C higher than a liquid phase line flows through the light alloy crystal leading channel with strong chilling capacity under the gas pressure action and then is brought into a casting mold under the gas pressure action, and the castings of a small ball-shaped semi-solid structure are obtained finally. According to the low-pressure casting one-step method, light alloy semi-solid slurry is prepared in the process of mold filling and pouring in a one-step mode; a device special for transporting and preparing the light alloy semi-solid slurry is omitted; and the problems of slurry oxidization in the transportation process and control difficulty of slurry temperature in the process of slurry preparation in a traditional method of manufacturing the semi-solid light alloy castings are solved.

The invention aims at providing a hydrogen water preparation method and device, a bottled water production line and a water purifier or water dispenser which mainly solve the problems that hydrogen water prepared through an existing preparation method is poor in quality and drinking safety. The hydrogen water preparation method comprises the steps that a proton membrane and a cathode and an anode which are located on the two sides of the proton membrane are supplied; the cathode and the anode are electrified, and water is introduced into only one side of the cathode; part of the water is electrolyzed to generate hydrogen on the cathode side and generate oxygen on the anode side; the generated hydrogen is mixed with the water on the cathode side to form the hydrogen water. The hydrogen water prepared through the hydrogen water preparation method has the advantages of being fine in hydrogen bubble, high in hydrogen-enriched level and free of introduced contaminants; meanwhile, due to the fact that the generated hydrogen is uniformly distributed on the electrodes making contact with the water, the water-hydrogen mixing effect is good, and hydrogen enriching is better promoted; in addition, hydrogen generated through electrolysis has more activity and not only can be used for preparation in a large hydrogen water plant but also can be used for site production of small household water dispensers.

The invention discloses an electronic tag reader antenna and an RFID system, wherein, the antenna is used to be connected with a reader, and the reader transmits ultra high frequency radio frequency signals through the antenna for activating an electronic tag to communicate with the reader; the antenna can be composed of an antenna radiating element or a plurality of antenna radiating elements connected in series, the front face of each antenna radiating element is provided with a micro-strip line, and the back face thereof is equipped with a ground plane. The antenna is less influenced by installation environment, and facilitates the flexible making and installation, and is simple and practical, and the antenna can be placed in an extreme narrow space, and the reader can communicate with a plurality of passive UHF frequency band RFID electronic tags placed in the extreme narrow space via the antenna stably and correctly. The antenna and the system particularly solve the problem that the plurality of passive UHF frequency band RFID electronic tags in the narrow space can not be read stably and correctly under the condition that the extreme narrow space is enclosed by large area of metal.

A method of manufacturing plastic metallized 3D circuit includes the steps of providing a 3D plastic main body; performing a surface pretreatment on the plastic main body; performing a metallization process on the plastic main body to deposit a thin metal film thereon; performing a photoresist coating process to form a photoresist protective layer on the thin metal film; performing an exposure and development process on the photoresist protective layer to form a patterned photoresist protective layer; performing an etching process on the exposed thin metal film to form a patterned metal circuit layer; stripping the patterned photoresist protective layer; and performing a surface treatment on the patterned metal circuit layer to form a metal protective layer. With the method, a 3D circuit pattern can be directly formed on a 3D plastic main body without providing additional circuit carrier to thereby meet the requirement for miniaturized and compact electronic devices.

The invention belongs to the technical field of 4D printing additive manufacturing, and discloses a 4D printing method of a nickel-titanium-based ternary shape memory alloy. The 4D printing method ischaracterized in that a selective laser melting technology is adopted for printing gas atomized prefabricated NiTiZr ternary alloy powder, and a component obtained through printing has the shape memory function; and the laser energy density is changed by changing the technological parameters adopted in the selective laser melting technology, and therefore the changes of the structure and performance of the printed piece are regulated and controlled. According to the 4D printing method, the ternary component Zr is introduced into an existing nickel-titanium binary alloy, the martensite phase transformation temperature is obviously increased, the selective laser melting technology is adopted for forming, and complex parts uniform in structure and high in density can be obtained while the excellent shape memory performance and mechanical performance are guaranteed.

The invention belongs to low-dimensional nano material preparation and application field of nano technology, and particularly relates to a preparation method for a copper oxide nano line array film. The preparation method comprises the following steps: sputtering a metal copper film on an FTO substrate by adopting a magnetron sputter plating method, and then annealing the prepared film under air atmosphere, thus obtaining the copper oxide nano line array film. In the preparation method, the controllability is good, the preparation is flexible, the preparation method is not limited to prepare substrate materials, the scale production in the industry can be conducted conveniently, and the application field and scope of nano line array film can be expanded to a greater degree.

The invention belongs to the technical field of power distribution equipment and relates to a power distribution control cabinet arranged and used in a power distribution room, in particular to a box type indoor power distribution control device which is a control cabinet applied to various indoor power distribution occasions for power distribution application. According to the indoor power distribution control device, a full-height rear mounting plate is fixed on a rear vertical mounting rail; both transverse ends of a half-height side mounting plate are clamped and fixed on the rear vertical mounting rail and a front vertical mounting rail; a horizontal separation plate is fixed on a side mounting guide rail; a base is fixed at the bottom of a box body; an outer mounting frame is respectively fixed on the rear bottom and the top of the body of a control box; a hook at one end of the half-height side mounting plate is clamped and fixed in a clamping port of the rear vertical mounting rail, while the other end of the half-height side mounting plate is fixed on a through hole of the front vertical mounting rail by using a fastening piece; and an element guide rail and a grounding bolt are transversely and vertically fixed on the half-height side mounting plate. The indoor power distribution control device has the advantages of simplicity in the integral structure, flexibility in preparation, use and mounting, good adaptability, stability in structural safety, simplicity and convenience in an assembly process and man power and financial resource saving and is suitable to be arranged in various indoor occasions.

Circuit board having conductor wiring and connection terminal; anisotropic conductive resin layer provided on one surface of circuit board; and plurality of electronic components respectively provided with electrode terminals in positions facing the connection terminal are included. The anisotropic conductive resin layer includes at least one kind of conductive particles selected from coiled conductive particles, fiber fluff conductive particles and conductive particles provided with a plurality of conductive protrusions, and resin binder; electrically couples electrode terminals of plurality of electronic components to connection terminals to each other with conductive particles; mechanically fixes electronic components and circuit board to each other; and protects conductor wiring.