85results about How to "Meet the needs of miniaturization" patented technology

A nanometer ceramic material dopant, medium material of ceramic capacitor and their production are disclosed. The formula of the dopant consists of aA.bB.cC.dR2 O3.eSiO2; A contains Na2O; B contains one or multiple of MgO and CaO; C contains one or multiple of MnO2 and Co3O4; R contains one of multiple of Y, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, among them a, b, c, d and e are coefficient, by computing mol%, 0<=a<=10%, 0<=b<=25%, 0<=c<=15%, 20%<=d<=60%, 10%<=e<=50% and b and c can't be zero at same time. Its advantages include large capacity, adjustable material formula, low sintering temperature, less medium loss, high dielectric constant and better reliability.

An electronic package is provided, which includes: a substrate; at least an electronic element disposed on the substrate; an antenna structure provided on the substrate, wherein the antenna structure has at least a supporting portion and an extending portion supported by the supporting portion over the substrate and surrounding the electronic element; and a shielding structure provided on the substrate and overlapping with the antenna structure, thereby saving the surface area of the substrate so as to meet the miniaturization requirement of the electronic package.

The present invention relates to a Groth's energy-saving high-effective hydraulic steering equipment, belonging to the field of hydraulic transmission technology. Said steering equipment is composed of the following several portions: external shell, flow channel communicated with fluid inlet and fluid outlet, valve body and valve core, universal driving shaft, spline gear pair, cycloid gear pair, rotor and non-return valve, etc. Said invention also provides the connection mode of all the above-mentioned portion and the working principle and operation method of said steering equipment.

An electronic package is provided, which includes: a substrate, an electronic element disposed on the substrate, and an antenna structure disposed on the substrate. The antenna structure has a base portion and at least a support portion, the base portion including a plurality of openings and a frame separating the openings from one another, and the support portion supporting the base portion over the substrate. Therefore, no additional area is required to be defined on a surface of the substrate, and the miniaturization requirement of the electronic package is thus met.

The invention discloses a method for forming a pre-welding material of a packaging base plate. The method comprises the following steps of: preforming an anti-sticking layer on a welding cover layer of one surface of the base plate, and adhering a dry film photoetching glue; after patterning the dry film photoetching glue, printing welding material, and refluxing the welding material into a plurality of pre-welding materials. After the pre-welding material is completed, the dry film photoetching glue can be easily torn away from the anti-sticking layer, and the pre-welding material is cured at the same time, thereby truly enhancing the stability of the manufacture process, the yield rate of the base plate, and the layout density of the pre-welding material, and satisfying the miniature requirement of the semiconductor packaging structure.

The invention discloses a miniature circuit breaker, which is characterized in that: two terminals of a circuit are connected by a contacting spring plate, and leads the two terminals to be electrically connected, thus leading the circuit to be communicated; wherein, one end of the contacting spring plate, a fixed one, is fixedly connected with one terminal, and the other end of the contacting spring plate is a free one; the contacting spring plate close to the fixed end is bent and extends along a direction away from the free end, to form an elastic arc section; the elastic arc section takes the fixed end as a pivot and is provided with elastic-restoring forces. Through the setup of the elastic arc section, the contacting spring plate can be provided with elastic forces, the spatial lengths of the contacting spring plate can be effectively reduced, and the sizes of the contacting spring plate can be decreased, so as to realize the purpose of the miniaturization of the circuit breakers.

The invention discloses a proximity sensor circuit and a distance detection method. The proximity sensor circuit comprises an LC oscillation circuit which is used for generating an oscillation signal with a specific frequency when a metal body is detected to be close to or far away from a coil; a sampling circuit which is used for collecting the oscillation signal generated by the LC oscillation circuit within a threshold voltage; a conversion circuit which is used for converting the oscillation signal acquired by the sampling circuit into a high-frequency pulse signal; a signal processing circuit which is used for carrying out operation processing on the high-frequency pulse signal generated by the conversion circuit and then executing different operations according to an instruction of a control circuit; the control circuit which is used for receiving a circuit external control instruction; and an input and output control circuit which is used for outputting the data sent by the control circuit through an output driving end OUT. Manual work is reduced in the aspect of machining, the yield is improved, the periphery of a product is simple, the size is small, the miniaturization requirement of customers is met, the consistency in performance is good, the precision is high, parameters can be set, the product upgrading requirement is met, and extremely high practicability is achieved.

The invention provides a fixing method of a magnet frame and a basin bracket, which comprises the following steps of providing the basin bracket, wherein a plurality of positioning columns are arranged on the basin bracket; providing the magnet frame, wherein a plurality of positioning holes coordinately connected with the positioning columns are arranged on the magnet frame; assembling the magnet frame on the basin bracket so that the positioning holes and the positioning columns are coordinately connected; heating the positioning columns so that a part of each positioning column is melted and deformed; pressing the melting parts of the positioning columns to the positioning holes of the magnet frame so that the external diameter of the melting part of each positioning column is larger than the diameter of each positioning hole; and cooling the positioning columns so that the magnet frame is fixed to the basin bracket. The method for fixing the magnet frame and the basin bracket has the advantages that the external side of the magnet frame does not require plastic hems when the magnet frame is fixed to the basin bracket, which facilitates to enhance the productivity; a glue slot is not required to be arranged on the basin bracket so as to save the use space of the basin bracket and meet the miniaturization requirements of clients on the relative products.

The invention relates to an electronic package and a fabrication method thereof. The electronic package is provided with a substrate, electronic components disposed on the substrate; an antenna structure disposed on the substrate, and an encapsulant formed on the substrate for encapsulating the electronic element and the antenna structure. The antenna structure has an extension portion and a plurality of support portions connected to the extension portion for supporting the extension portion over the substrate so as to save the surface area of the substrate without increasing disposing area or width of the substrate, thereby meeting the miniaturization requirements of the electronic package.

The invention relates to a lens module capable of switching focuses. The lens module comprises a fixed unit, a carrier stand, a lens unit, an electromagnetic driving unit and a flat elastic sheet. The fixed unit is provided with a space around an optical axis. The carrier stand is arranged in the space. The lens unit is locked in the carried stand in a screwing manner. The electromagnetic driving unit is equipped with a plurality coil sets and a plurality of magnetic assemblied that are arranged in an annular and staggered manner with the coil sets, and can be used for driving the carried stand and the lens unit to be switched between a long-distance shooting state and a near-distance shooting state. The flat elastic sheet is used for providing elastic force to the carrier stand and the lens unit, and the elastic force is balanced with the magnetic force generated by the electromagnetic driving unit. Therefore, the lens module is small in size, and the parts of the lens module are simplified.

The utility model discloses an electronic packaging part, and the packaging part comprises a substrate, packaging glue bonded to the substrate, an electric contact pad, and an antenna structure. The antenna structure is provided with a first extension part and a second extension part, which are disposed on two opposite surfaces of the substrate. Moreover, a connecting part is disposed between the first and second extension parts at intervals. The electric contact pad is electrically connected to the second extension part. The electric contact pad is used for the fine tuning of the resonant frequency of the antenna, so that the resonant frequency of the antenna can be adjusted in a system environment or on a platform.

The invention relates to a driving device, and particularly relates to a motor used for driving a liquid lens and a lens group. The motor comprises a base, a supporting frame, a carrier and a drivingassembly, the base is used for fixedly installing a first lens and the liquid lens which are distributed along an optical axis and are correspondingly arranged; the carrier can be movably arranged inthe base facing towards or away from the liquid lens; the driving assembly comprises a motor arranged on the carrier and a stator arranged on the base, the stator drives the rotor to move up and downalong the optical axis and / or move deflecting from the optical axis; the supporting frame is arranged close to the carrier and is movably connected with a moving plate of the liquid lens; the carriercan be in butt joint with the supporting frame; the rotor drives the carrier to move the driving supporting frame, the moving plate is driven to move by the supporting frame to adjust the curvature ofthe liquid lens, and restoring force is provided for the carrier to allow the carrier to return to an initial position when the moving plate restores to an initial state. The motor has the advantagesthat the components are less, the structure is simple, and the driving power consumption is low.

The invention belongs to the technical field of chemical separation and particularly relates to a polymer monolithic column, a solid phase extraction filter based on same, and a preparation method and an application thereof. The polymer is prepared through an in-situ polymerization reaction of a monomer, a crosslinker, a pore former and an initiator. The monolithic column and the solid phase extraction filter can perform selective extraction to a to-be-tested target substance or impurity according to demands on separated samples. Compared with a conventional hydrophobic solid phase extraction material, the monolithic column and the solid phase extraction filter have a wider coverage of applicable objects. Compared with a conventional packed solid phase extraction small column, the monolithic column can give consideration to both separation speed and recovery ratio, so that the extraction and separation efficiency is greatly improved.

An electronic module comprises: a first substrate, an electronic element arranged on the first substrate and electrically connected with the first substrate, a package layer formed on the first substrate and coating the electronic element, a second substrate arranged on the package layer, a shield substrate arranged at the lower surface of the second substrate, and an antenna structure arranged atthe upper surface of the second substrate. The shield structure and the antenna structure are arranged at different planes to allow the antenna structure to emit signals from each direction to improve the radiation efficiency of the antenna.

The invention discloses a miniaturized intelligent signal suppressor which comprises a shell and a core circuit. The core circuit comprises a power amplifying module, a source module and a control module. The shell is provided with one or a plurality of antennae, one or a plurality of interface modules, and one or a plurality of indicating lamps. An external control device is connected with the interface modules. The interface modules are connected with the indicating lamps and the control module. The control module is connected with the source module, the power amplifying module and the antennae sequentially. The source module is composed of at least nine independent voltage-controlled oscillators. The miniaturized intelligent signal suppressor combines shielding of all cellphone models, shielding of interphones and shielding of digital cheater together, is miniaturized, small in size, and convenient to carry. Requirement of miniaturization of the signal suppressor is met. Radiating grooves reserved outside the suppressor guarantees fast radiation. By matching a small signal processing circuit with a high-gain directional antenna, environmental protection, energy conservation, emission reduction, and radiation reduction are achieved.

The present invention discloses a pressure sensor. The sensor comprises: a housing comprising an upper housing and a lower housing, wherein a cavity is formed between the upper housing and the lower housing through the arrangement of the upper housing and the lower housing; a vibrating diaphragm arranged between the upper housing and the lower housing and configured to divide the cavity into an upper cavity and a lower cavity; a magnetic core moving with the motion of the vibrating diaphragm, wherein the vibrating diaphragm comprises a support body and thin skin arranged around the support body, the thin skin is extended from the edge of the support body, and the magnetic core is supported by the support body. The pressure sensor is small in volume and convenient to mount and dismount.

The invention relates to an optical fiber photoacoustic microscope based on surface plasmon phase sensing, which generates pulse excitation light to irradiate a sample so as to generate ultrasonic pressure waves and change the refractive index of a deionized water film in a plasmon phase sensor, so that the phase of detection light entering the plasmon phase sensor is changed. Polarized light is generated, and the first polarized light is input into the photoacoustic wave detection assembly through the beam splitter to eliminate background noise; one path of light beam in the second polarizedlight serves as detection light to be emitted into the plasmon phase sensor, a reflected light beam corresponding to the detection light serves as interference detection light, the other path of lightbeam serves as interference reference light through mirror reflection, coherent light is obtained after the two beams of light are coherent through the optical fiber interference assembly, and ultrasonic pressure wave information of the sample can be obtained through the coherent light intensity. By utilizing the resonance effect of the plasmon phase sensor, the acoustic pressure detection sensitivity is greatly improved, the ultra-large detection bandwidth is kept, the optical fiber is used for transmitting light beams, and the characteristics of good stability and miniaturization are achieved.

The invention provides an electronic package and a method for fabricating the same and is used for arranging an electronic element and an antenna structure on a carrier. The antenna structure comprises a metal frame erected on the carrier, an antenna extension arranged between the metal frame and the carrier, and a lead provided on the carrier and electrically connected to the metal frame and theantenna extension, so that the antenna extension is used as an area for increasing the layout area, and the length of the antenna structure can be increased without increasing the layout area on the surface of the carrier so as to meet the requirement of antenna operation.

The invention relates to the technical field of stereo circuits and devices, in particular to a method for arranging multiple layers of electronic elements on a single-surface stereo circuit and a device prepared by the same. Compared with the prior art, the method for arranging multiple layers of electronic elements on the single-surface stereo circuit includes steps that 1) forming pits for assembling small encapsulated electronic components in a plastic-rubber structure piece; 2) flatly paving, adsorbing or coating one layer of conductive powder on the plastic-rubber structure piece with the pits of the step 1); 3) arranging the plastic-rubber structure piece provided with the conductive powder in the flat paving, adsorbing or coating mode of the step 2 in a gas atmosphere, using a laser machine loaded with designed circuit patterns to selectively scan the conductive powder, wherein the scanned conductive powder is fused instantaneously to weld with the plastic-rubber structure piece to form the stereo circuit; removing the conductive powder which is not scanned; 4) assembling large and small elements and components. The method for arranging multiple layers of electronic elements on the single-surface stereo circuit saves the inside space for an electronic product and lowers the cost; the method for arranging multiple layers of electronic elements on the single-surface stereo circuit can prepare Bluetooth earphones, Bluetooth box bodies, headset wire controllers, Bluetooth bracelets or the same, and the application is broad.

The present invention provides a lithium ion battery. The lithium ion battery comprises a battery cell, a shell and a control circuit, the control circuit comprises a module I, a module II, a module III and a module IV; the module I detects the state of the lithium ion battery in real time, determines whether the lithium ion battery is overcharged, overdischarged and overlarge-current charged anddischarged or not, and sends a command to the module II according to the state of the lithium ion battery; the module II comprises a power MOS field effect transistor, and receives the command sent bythe module I and correspondingly opens or cuts off a battery charging and discharging loop; the module III comprises an NTC and detects the temperature of the battery in real time; and the module IVcomprises an encryption chip and encrypts the lithium ion battery. According to the invention, the lithium ion battery can be encrypted, the battery and the mobile phone mainboard are bound in a one-to-one correspondence manner, and the safety and reliability of battery use are ensured.

The invention is applicable to the field of radio, and provides a dual-polarized radiating element and a base station antenna, wherein the dual-polarized radiating element comprises a folded dipole, abalun structure and a feed conductor, wherein the folded dipole comprises four conductor rings which are arranged along the circumferential direction, the conductor rings are symmetrically arranged,the axes of symmetry of two adjacent conductor rings are vertically arranged to form a crossed axis of symmetry, and a first branch and a second branch extending towards the cross shaft conductive center are arranged at the end parts of the two adjacent conductor rings respectively; the balun structure is provided with four communicating holes which are communicated up and down, and any one of theconductor rings is provided with two connecting ends which are respectively connected with the hole walls of the two adjacent communicating holes; and the two feed conductors are arranged in a crossing manner, one end of each feed conductor is inserted into one of the communicating holes, and the other end of each feed conductor is connected with the diagonal communicating hole. The dual-polarized radiating element and the base station antenna provided by the invention has small volume and excellent radiation performance.

The invention provides a microstrip printing dipole antenna. The dipole antenna comprises a printing plate, two surfaces of the printing plate are symmetrically provided with metal transmission lines of good conductors, the metal transmission lines form two arms of the dipole antenna, a microstrip transmission line, and two microstrip baluns, the microstrip transmission line is a double-transmission-line structure, two arms of the dipole antenna and two microstrip baluns are respectively and symmetrically arranged at two ends of the microstrip transmission line, the microstrip baluns are in the shape of right angle trapezoids, and the lower bottoms of the trapezoids are connected to the microstrip transmission line. The microstrip printing dipole antenna is advantaged by light weight, small size, low cost, convenient integration and array composition, and the application demand of miniaturization of electronic products is met.

The embodiment of the invention discloses a small lead-cooled fast reactor core. The small lead-cooled fast reactor core comprises a fuel assembly, a control rod assembly, a safety rod assembly and a reflecting layer assembly, fuel rods in the fuel assembly are arranged in a square shape, and fuel is uranium-plutonium mixed oxide; the fuel assembly comprises three layers of fuel subareas, and the proportion of the number of plutonium dioxide atoms of fuel rods in the outer fuel subarea is larger than that of the number of plutonium dioxide atoms of fuel rods in the inner fuel subarea. The control rod assembly and the safety rod are made of boron carbide; the width of the reflecting layer assembly is the same as that of the fuel assembly, and the reflecting layer assembly is made of EP823 stainless steel and lead-bismuth alloy according to a preset volume ratio; the assembly wall and the cladding of each assembly are made of EP823 stainless steel; and the cooling agent is lead-bismuth alloy. According to the invention, the miniaturization requirement of the lead-cooled fast reactor core is met, the safety and sustainability requirements of the lead-cooled fast reactor core are ensured, and the design criterion is met.