3513 results about "A diamond" patented technology

In one aspect of the present invention, a drill string has a drill bit with a body intermediate a shank and a working face. The working face has a plurality of blades converging at a center of the working surface and diverging towards a gauge of the working face. At least one blade has a cutting element with a carbide substrate bonded to a diamond working end with a pointed geometry. The diamond working end also has a central axis which intersects an apex of the pointed geometry. The axis is oriented between a 25 and 85 degree positive rake angle.

The invention relates to the technical field of quality monitoring, and discloses a diamond high-strength micro-powder quality detection method and system based on artificial intelligence. The method comprises the steps of obtaining a two-dimensional projection image sequence of diamond micro-powder particles, calculating a projection matrix based on camera calibration parameters and geometric constraints, obtaining a multi-view image data set of the particles, establishing a pixel-level corresponding relation, extracting three-dimensional space coordinates of the surfaces of the particles, and reconstructing dense point cloud data of the particles. Establishing a local coordinate system based on the dense point cloud data, determining attitude parameters of particles in a three-dimensional space, if the attitude parameters deviate from a normal range, performing attitude compensation processing to obtain standardized point cloud data, and performing three-dimensional grid model construction on the standardized point cloud data; and calculating geometrical characteristic parameters of the particles based on the three-dimensional grid model, performing defect detection on the surfaces of the particles, and generating a crystal integrity evaluation report of the particles. The quality detection accuracy of the diamond high-strength micro-powder particles is improved.

The invention discloses an intelligent control system for a diamond grain curing sintering furnace, belongs to the technical field of industrial furnace control, and aims at solving the problems that existing sintering control depends on experience, process monitoring is not comprehensive, real-time optimization is difficult to achieve, and product quality consistency is difficult to guarantee. The system comprises a sensor module, a multispectral imaging device, a data preprocessing module, a liquid neural network module, an attention fusion module, a user interaction module, a thermal structure coupling module and a real-time feedback control module. A liquid neural network is used for processing time sequence dynamics, multi-dimensional features such as temperature, humidity, spectrum and mechanical force are fused through a multi-head attention mechanism, and in combination with an internal state result of user input and thermal structure coupling analysis, a real-time feedback control module adopts a closed-loop strategy to calculate optimal firing parameters and generate a control signal; and the actuating mechanism is driven to perform self-adaptive adjustment.

The invention discloses an electronic packaging heat dissipation substrate and a processing technology and application thereof. The electronic packaging heat dissipation substrate comprises a copper-clad diamond copper plate, a diamond sheet located on the copper-clad diamond copper plate and a first copper layer covering the diamond sheet. The copper-clad diamond copper plate comprises a diamond copper core material and a copper layer located on the surface of the diamond copper core material. The diamond copper core material and the copper layer form a composite board with a copper layer-core material-copper layer sandwich structure; and the copper-clad diamond copper plate, the diamond sheet and the first copper layer are connected into a whole through brazing. According to the electronic packaging heat dissipation substrate, the peeling and cracking risks can be reduced, and the problem of low heat transfer efficiency is solved.

The invention relates to the field of precise driving and positioning, in particular to a multi-mode bidirectional movement rotary piezoelectric motor. Comprising a base, a rotor mechanism, a stator mechanism and a pre-tightening mechanism, the stator mechanism comprises a flexible metal oscillator connected to the pre-tightening sliding block. The flexible metal oscillator comprises a diamond frame of a sheet structure and an elastic metal substrate connected between a set of opposite angles in the diamond frame. The two groups of piezoelectric ceramic pieces are symmetrically fixed on the same side surface of the elastic metal substrate; the motor further comprises a first driving foot and a second driving foot which are fixed to the flexible metal vibrator, the first driving foot and the second driving foot are fixed to the two adjacent corners of the rhombic frame body respectively, and the first driving foot and the second driving foot make contact with the inner ring of the rotor bearing. According to the technical scheme, through the asymmetric structural design, the rhombic flexible metal oscillator can generate two working modes, so that the motor realizes bidirectional rotation under the condition that the voltage and the structure are not changed.

The invention relates to the technical field of diamond roller machining, in particular to diamond roller mounting inner hole high-precision grinding equipment which comprises a base, a linkage column fixedly connected to the top of the base and a rotary clamping assembly arranged on the base and used for centering and clamping a diamond roller. The lifting plate is provided with an air cooling type grinding assembly which conducts efficient cooling type grinding and assists in inner hole chipping cleaning. According to the diamond roller grinding device, centering clamping treatment is conducted on diamond rollers of different sizes through the rotary clamping assembly, comprehensive efficient grinding treatment of different inner holes is achieved in combination with the air-cooled grinding assembly, the grinding requirements of the diamond rollers of different sizes can be automatically met without additional replacement operation, and through cooperation of the rotary clamping assembly and the air-cooled grinding assembly, the grinding efficiency is greatly improved. And the multi-direction grinding effect can be further achieved, and chippings can be discharged in an auxiliary mode for convenient collection.

A wide-field dynamic magnetic imaging device and method. The wide-field dynamic magnetic imaging device comprises: a probe assembly (1), comprising a diamond (101) containing NV centers; a microwave magnetic field assembly (2) configured to generate a uniform microwave field and a uniform bias magnetic field in the vicinity of the diamond (101), so as to regulate the spin energy level of the diamond (101) and the quantum state evolution process; a laser modulation assembly (3) configured to output an initial uniform pulsed laser to excite the diamond (101) to emit fluorescence; a fringe light modulation assembly (4) configured to modulate the initial uniform pulsed laser to output a fringe pulsed laser, causing the fluorescence emitted by the diamond (101) to be fringe fluorescence, or to modulate the fluorescence emitted by the diamond (101) into fringe fluorescence; a fluorescence detection assembly (5) configured to perform spatial imaging on the fringe fluorescence to obtain magnetic field information of a sample under test (7), thereby obtaining an initial magnetic image of said sample (7); and a data processing assembly (6) configured to perform Fourier transform and inverse Fourier transform on the initial magnetic image to obtain a first magnetic image.

The invention relates to the technical field of sole processing, in particular to a sole composite processing method, which comprises the following steps: according to the rigidity requirement of an arch support area, preparing high-density slurry in which silicon nitride ceramic powder accounts for 30-40%, forming # imgabs0 # crystal phase through microwave-assisted sintering, and controlling the porosity to be 10-20%; according to the energy rebound requirement of the forefoot buffer area, graphene oxide / carboxymethyl cellulose aerogel powder is added into the slurry until the concentration is 25%, and the porosity is increased to 40-60% by combining the honeycomb porous network design; a nano silicon dioxide reinforcing agent is introduced into a wear-resistant area of the heel to 15%, a diamond-like carbon coating is formed through plasma surface treatment, and the porosity is limited to be 5-15%. According to the invention, silane is encapsulated by adopting polyurea microcapsules, and is released only when the material is damaged, so that dynamic self-repairing is realized, the shoe sole is endowed with dynamic repairing capability, and the service life is prolonged.

The invention discloses a high-precision intelligent quality inspection system for diamond grains, and relates to the technical field of defect detection and contour measurement, and the system comprises a multi-mode sensing device which is used for obtaining a two-dimensional image, a three-dimensional shape and spectral data of the grains; the module is used for receiving manufacturing process parameters and constructing a theoretical three-dimensional model; the interface is used for acquiring actual manufacturing process data; the unit is used for processing the fused measured data and comparing the fused measured data with a theoretical model to generate deviation data; the hierarchical artificial intelligence analysis engine comprises a data analysis and coordination control AI model based on multi-head attention, the AI model is coupled with an attribution analysis layer, and the engine fuses and analyzes measured data, deviation data, process parameters and actual manufacturing process data. And performing deep cross-modal association, trend analysis, manufacturing data association analysis and accurate attribution by using an attention mechanism, and finally generating a quality evaluation result containing application performance prediction and process optimization suggestions with attribution information.

The invention provides a method for growing an oversized diamond polycrystalline film. The method comprises the following steps: S1, cleaning and drying a monocrystalline silicon wafer at room temperature; s2, carrying out pretreatment seed crystal on the monocrystalline silicon wafer, covering a diamond nanocrystalline layer on the silicon surface, and putting the monocrystalline silicon wafer into MPCVD (Microwave Plasma Chemical Vapor Deposition) equipment; s3, the cavity is vacuumized, then hydrogen is introduced for purging, and then vacuumizing is conducted again; then hydrogen is introduced, the air pressure is regulated and controlled to be 5-8 torr, and starting is started to ignite the plasma; s4, the microwave power is increased to 70 KW to 75 KW at the speed of 4.5 KW / min to 5.5 KW / min, the air pressure is increased to 165 torr to 180 torr at the speed of 10 torr / min to 30 torr / min, and the temperature is increased to 900 DEG C to 950 DEG C at the speed of 60 DEG C / min; s5, introducing growth gas, wherein the flow rate of hydrogen is 5000-6000 sccm, the flow rate of methane is 100-150 sccm, the flow rate of oxygen is 5-8 sccm, the flow rate of nitrogen is 1-2 sccm, and the flow rate of argon is 800-1000 sccm; and S6, after the growth is finished, cooling at a rate of 30 DEG C / min, and introducing nitrogen into the cavity for vacuum breaking until the temperature is reduced to room temperature, so as to obtain the oversized diamond polycrystalline film. The size of the oversized diamond polycrystalline film reaches 12 inches.

The invention relates to the technical field of quantum sensing and ocean detection, and discloses an ocean magnetic field sensor based on an NV color center and an ocean magnetic field measuring method.The sensor comprises a cylindrical pressure-resistant cabin, an optical platform arranged in the pressure-resistant cabin and a main control panel; a laser, a beam shaping unit, a dichroscope, a beam shaping lens group, an objective lens, a diamond NV color center chip, a plano-convex lens I, a band-pass filter and a photoelectric detector are mounted on the optical platform; two microstrip loop antennas are mounted on the outer side of the diamond NV color center chip; an FPGA + ARM dual-core processor, a digital lock-in amplifier and two microwave signal generators are installed on the main control board, and the microwave signal generators are connected with the microstrip loop antenna and achieve electromagnetic coupling with the diamond NV color center chip. The invention has the advantages of high sensitivity, good long-term stability and strong anti-interference capability, and provides a new generation of quantum sensing solution for applications such as ocean geomagnetic monitoring and underwater target identification.

The invention relates to the technical field of diamond processing, in particular to a diamond laser slicing method and device. The invention relates to a diamond laser slicing method. The method comprises the following steps: 1) utilizing a laser beam from 1t; 100 gt; the surface vertically enters the interior of the single crystal diamond, and a C-C bond is fractured by forming instant local high temperature so as to be carbonized to form graphite; (2) the laser beam is at the distance lt; 100 gt; the surface is at a certain depth and is scanned along the crystal orientation direction of # imgabs0 # or # imgabs1 #, and by controlling the position of a laser focal plane and the energy of the position, only modification points and a graphite layer are formed, or modification points are formed along lt; 111gt, 111gt; the surface-expanded cracks further form a crack expansion layer, and stress difference is generated between the crack expansion layer and the non-modified layer, so that the diamond layer is convenient to peel off. According to the method, arrangement and / or crack propagation of modified points can be accurately controlled, and stress distribution of a modified layer is optimized, so that high-precision diamond slicing is realized, and fragmentation and damage of a sample are avoided.

The invention relates to a chip integrated heat dissipation system and a preparation method thereof, and belongs to the technical field of heat dissipation of semiconductor devices. The chip integrated heat dissipation system comprises a nano-diamond transition layer attached to a chip. A micro-column array supporting layer is arranged on one side, far away from the chip, of the nano-diamond transition layer; the micro-column array supporting layer is in contact with one surface of the diamond film, and the other surface of the diamond film is attached to the three-dimensional micro-channel heat dissipation layer. The invention also provides a preparation method of the chip integrated heat dissipation system. The chip integrated heat dissipation system provided by the invention has the advantage of efficient heat dissipation, and through the combination of the three-dimensional structure and the high heat conduction characteristic of diamond, the heat dissipation power density is remarkably improved, the junction temperature of the chip is reduced, and the heat dissipation requirement of a high-power device is met. The heat dissipation performance reliability is high, the thermal stress is eliminated through the gradient structure design, the interlayer binding force is improved, and the stable performance is still kept after multiple thermal cycles. And the preparation process is good in compatibility and convenient for large-scale production.

The invention discloses a diamond film and a preparation method and application thereof, and the preparation method comprises the steps: taking a substrate material matched with the lattice constant of a diamond film material as a substrate, and carrying out the surface treatment of the substrate; mixed reaction gas comprising 80%-95% of hydrogen, 3%-8% of methane and 2%-12% of auxiliary gas is introduced, wherein the auxiliary gas comprises at least one of argon, chlorine, hydrogen fluoride and hydrogen chloride; carrying out controlled chemical vapor deposition at 850-1000 DEG C under the pressure of not less than 21 kPa, and growing a diamond film on the surface of the substrate; and annealing the diamond film. According to the method, chemical vapor deposition is controlled through cooperation of auxiliary gas and temperature-pressure gradient, and non-corrosion high-speed growth of the high-purity monocrystal diamond film is achieved; in combination with a dynamic annealing process, lattice defects are effectively repaired, the comprehensive performance is optimized, and the reliability of the thin film serving as a heat dissipation component and other applications is remarkably improved.

Provided are a water-soluble film capable of maintaining good mechanical strength even when packaging a liquid detergent and the like while maintaining excellent water solubility of the water-soluble film and a package using the same. A water-soluble film of the present invention includes a polyvinyl alcohol resin. When a crystallinity index calculated for a first surface is Fd1 and a crystallinity index calculated for a second surface opposed to the first surface is Fd2 for FT-IR measurement of respective two surfaces of the water-soluble film by ATR technique using a diamond prism, the Fd1 and the Fd2 are 0.22≤Fd1≤0.72, 0.2≤Fd2≤0.65 and Fd1 / Fd2≥1.1.

The invention discloses corrosion resistance test equipment for a skylight cross beam, relates to the technical field of cross beam tests, and aims to solve the technical problems that a corrosion test of a static placement cross beam sample cannot reflect the influence of dynamic stress on corrosion cracks in the cross beam, and particularly whether stress corrosion cracking can be caused in a salt spray environment or not. Comprising a salt spray testing machine, the salt spray testing machine comprises a test box body, a plurality of test rack assemblies are arranged in an inner cavity of the test box body, each test rack assembly comprises a static test rack and a dynamic test rack, each dynamic test rack comprises a rhombic movable rack, and each rhombic movable rack comprises an upper pressing block, a lower falling block, two symmetrically-arranged bearing blocks and four movable rods. A jolting pressing assembly is arranged at the bottom of the upper pressing block. The device has the advantages that the cross beam sample is in a dynamic stress state in a salt spray corrosion test, the stress condition of the cross beam in actual use is truly simulated, and the test environment is highly close to the actual working condition.

The CPO system packaging method provided by the embodiment of the invention comprises the following steps: by taking a high-resistance silicon wafer as a base material, completing processing of a silicon intermediate layer through spiral micro-channel etching, silicon through hole preparation, electroplating hole filling and back thinning; integrating the silicon optical chip and the electronic chip to the silicon interposer through the diamond micro bump array containing the copper core; installing a piezoelectric micropump at a corresponding fluid interface in the silicon intermediate layer, and filling adaptive liquid into the communicated flow channels in a vacuum environment; and after the reliability verification test is passed, carrying out system packaging by adopting an anti-static shielding bag. The CPO system adopting the packaging process has the advantages of high heat dissipation efficiency, ultrahigh integration precision and strong environmental adaptability.

The invention discloses a diamond piezoresistive material and pressure sensing application thereof, and particularly relates to a boron-doped diamond-based piezoresistive material and an application method thereof in a sensor, a gradient doping structure and heterogeneous layer design are adopted, and the diamond piezoresistive material with high sensitivity, high linearity, temperature stability, corrosion resistance and radiation resistance is constructed; by optimizing a CVD process and a pattern etching structure, stable piezoresistive response in an environment of-60 DEG C to 250 DEG C is realized, the cycle life exceeds 10 times, and the high-reliability piezoresistive sensor is suitable for high-reliability sensing devices under extreme working conditions such as aerospace engines, deep sea detection equipment and nuclear reactors.

The invention discloses a diamond MOSFET device compatible with a CMOS ohmic contact process and a preparation method of the diamond MOSFET device. The preparation method comprises the steps that S1, a diamond substrate is selected, and an intrinsic diamond layer is grown on the diamond substrate in a homoepitaxial mode; s2, preparing a mask, and forming a boron-doped diamond layer in a source region and a drain region on the intrinsic diamond layer through boron ion implantation; s3, depositing a layer of Si film and a layer of Ti film on the surface of the sample; s4, performing two-step annealing on the sample to obtain ohmic contact formed by the boron-doped diamond layer, the boron-doped silicon layer and the titanium silicide layer; s5, removing the mask and the thin film above the mask; s6, preparing a terminal diamond surface layer; s7, preparing a passivation layer and windowing to form a source window and a drain window; and S8, preparing a gate electrode. According to the method, high-quality ohmic contact can be formed on the diamond through the gold-free process, the gold ion pollution risk is thoroughly avoided, and CMOS process compatibility is achieved.

The invention relates to the technical field of rock plates, and particularly discloses a microcrystal colored crystal rock plate and a production process thereof, and the production process comprises the following steps: S1, cooling a pressed green body, and then spraying ground glaze; s2, a pattern layer is printed on the ground coat layer in an ink-jet mode, digital glue is printed after positioning, colored crystal dry particles are applied, drying is carried out after redundant dry particles are removed, transparent microcrystal dry particles are applied after fixing protection glue is sprayed, and drying is carried out after fixing protection glue is sprayed; and S3, polishing after firing. The rock plate has diamond-like gloss through the high refractive index of the colored crystal particles, the microcrystal dry particles can achieve fine texture and high glossiness, and the fixing protection glue is applied to the microcrystal dry particles and the colored crystal dry particles, so that the effect of fixing the dry particles can be achieved, and the wear resistance and the antifouling property can be improved.

The invention discloses a hollow cup body forming device and method. According to the invention, the contact pin is adopted for accurate positioning and splicing of the rhombic coil in armature rolling, the consistency of the armature winding in the height direction is ensured, two stages of shaping dies with different sizes are adopted for shaping the armature cup body in the shaping stage, the deformation amount of the armature in the cup body forming stage is accurately controlled, and the production efficiency is improved. Hidden dangers of obvious armature excircle defect projection, poor roundness consistency and enameled wire damage caused by overlarge shaping amount of a hollow cup armature are avoided, in the rough shaping stage, a shaping scheme of fixed shaping of a contact pin is maintained, after rough shaping is completed, an adhesive tape is wound to protect and fix the armature excircle, and then a fine shaping stage is entered. 360-degree full-angle rotation shaping can be achieved in the rough shaping stage and the fine shaping stage, and the consistency, the roundness and the qualified rate of the coreless armature are effectively improved.

The invention discloses a wide-dynamic-range diamond NV color center magnetic sensing method and system, and the method comprises the steps: (1) calibrating the initial resonant frequency and magnetic sensing coefficient of a diamond NV color center in an initial magnetic field environment; (2) in a to-be-measured magnetic field environment, a microwave generator applies frequency-modulated microwaves to the diamond NV color center with the current resonant frequency as the center frequency; demodulating the fluorescence signal in real time by using a phase-locked detection technology to obtain an error signal; calculating the detuning amount of the center frequency in real time according to the error signal and the magnetic sensing coefficient, and further calculating the variable quantity of the magnetic field intensity; meanwhile, the detuning amount is fed back to a microwave generator to track the resonance frequency of the diamond NV color center; and (3) continuously and repeatedly executing the step (2) to realize wide-dynamic-range magnetic field measurement. The method has the advantages of wide dynamic range, high detection capability on strong and weak field mixed signals in a complex application scene and the like while giving consideration to the magnetic sensing sensitivity.

The invention discloses a high-heat-flux heat dissipation system for an on-orbit computing power cluster, and belongs to the technical field of spacecraft heat control. The system is independent of a satellite conventional thermal control platform and is specially used for discharging waste heat of an AI calculation array. The system comprises a heat capture unit, a pumpless heat transfer unit and a foldable heat dissipation unit. The heat transmission unit comprises a micro-channel flexible pulsating heat pipe (such as a diamond film material), and the heat pipe spans a folding area and has the functions of structural connection and heat transmission, so that a thermal low-impedance independent channel relative to a satellite structure is formed. Through the design of removing a mechanical pump and removing a mechanical hinge, the problems of large weight, micro-vibration interference, high contact thermal resistance and the like of a heat dissipation system of the computing power satellite are solved, and preferential directional heat dissipation of high-flux heat is realized.

The invention relates to the technical field of semiconductor packaging and cooling, and particularly discloses a diamond-copper composite micro-channel-based cooling and packaging structure which comprises a packaging shell and a diamond-copper heat conduction plate with the bottom in floating lap joint through an elastic sealing ring. A plurality of heat exchange stand columns are integrally formed on the upper surface of the heat conduction plate, and the heat exchange stand columns are inserted into the containing counter bores of the packaging shell to form micro-channel annular gaps. A piezoelectric vibration plate dividing the medium cavity into a storage cavity and a jet flow cavity is integrated in the packaging shell, and the jet flow cavity communicates with a flexible connecting pipe section arranged over the heat exchange stand column in a suspended mode. Spiral fins are arranged on the surfaces of the heat exchange stand columns, horn-shaped flow guide pieces are arranged at orifices of the containing counter bores, and C-shaped groove flow guide fins which are arranged in a staggered mode are arranged on the bottom face of the heat conduction plate. According to the invention, low-thermal-resistance, high-flux and high-reliability direct contact type active heat dissipation for a high-power-density device is realized.

The invention discloses a quantum magnetometer device based on a diamond nitrogen-vacancy color center. The quantum magnetometer device comprises a laser emission unit used for generating a 532nm laser beam based on a laser trigger signal; the beam shaping unit is used for focusing the laser beam to the diamond sample; the diamond sample comprises an NV color center array with specific depth on the surface or in the diamond sample, and electrons in NV color centers are excited based on laser beams to transition and generate fluorescence; the fluorescence collection unit is used for separating exciting light from 650-800nm fluorescence signals and converting the fluorescence signals into multi-channel electric signals; the microwave radiation unit is distributed around a diamond sample space and emits three independently regulated microwave frequencies at the same time; and the control and processing unit is used for receiving and processing the multi-channel electric signals in real time and analyzing magnetic field parameters based on the optical detection magnetic resonance spectral line. Synchronous measurement of a three-dimensional magnetic field is realized, and the limitation of single-axis measurement of a traditional NV magnetometer is broken through.

The invention relates to the technical field of diamond material preparation, in particular to an integrated diamond growing and polishing method based on cluster beams and local substrate bias, which comprises the following steps: firstly, pretreating a diamond substrate, scanning by using an atomic force microscope to obtain a surface three-dimensional shape, determining concave and flat areas, and designing a local bias distribution map according to the concave and flat areas; applying large negative bias voltage to the concave area, applying small negative bias voltage to the flat area, generating a carbonaceous cluster beam with the size of 3-10 nanometers, guiding the carbonaceous cluster beam to the surface of the substrate, preferentially depositing high-energy clusters on the concave area and depositing low-energy clusters on the flat area under the effect of local bias voltage, and thus synchronously achieving integrated machining of diamond surface growing and polishing. The growth and polishing are integrated, the technological process is simplified, the machining time and cost are greatly reduced, and the production efficiency is improved.

The invention provides a high-sensitivity superconducting magnetic detection device and method based on an NV color center under high pressure and low temperature. The high-sensitivity superconducting magnetic detection device comprises a microwave emission module, an optical excitation module, an imaging module, a fluorescence collection module, a data collection and control module, a diamond anvil cell, a low-temperature test module and a magnet module. The method has the beneficial effects that the diamond injected with the NV color center serves as the anvil cell of the diamond anvil cell, and high-pressure and low-temperature conditions are synchronously obtained in liquid helium and liquid nitrogen temperature zones; according to the invention, in-situ pressure measurement can be realized under high pressure, and ruby or Raman standard pressure is not needed; a sample is placed in the diamond anvil cell, the diamond anvil cell is placed in the low-temperature cavity, the lowest temperature of 4K and in-situ pressurization can be realized by using the low-temperature test module, and the quality of a microwave signal transmitted by the low-temperature semi-steel cable is higher and the loss is smaller by using the low-temperature semi-steel cable. And the superconducting property of the material at low temperature and high pressure is quantitatively tested under the condition of high integration.

The invention provides a light source multiplexing diamond NV color center wide field detection system and an illumination detection method. The system comprises a diamond containing an NV color center, an exciting light module, a first double-color sheet, an objective lens, a second double-color sheet, a wide field imaging module, an illumination imaging module and a microwave module, exciting light generated by the exciting light module irradiates the first double-color piece, is guided to the objective lens, and irradiates the diamond after being transmitted by the objective lens so as to excite the NV color center of the diamond to generate fluorescent light; the objective lens is of an infinity type; the exciting light is irradiated to a sample to be detected after being transmitted by the diamond; fluorescent light and exciting light from a sample to be detected are collected by the objective lens, then transmitted to the first double-color piece and guided to the second double-color piece through the first double-color piece, the second double-color piece guides the fluorescent light to the wide-field imaging module for imaging, and the exciting light in the second double-color piece is guided to the illumination imaging module for imaging. Illumination can be achieved in the exciting light working state, exciting light switching operation in the prior art is avoided, and efficiency can be remarkably improved.

The invention discloses a diamond low-frequency current measurement method with nonlinear response to magnetic field intensity, which is characterized in that two coils are wound on a magnetic flux collector with a communicated structure, a high-frequency (800Hz) high-voltage (7V) driving current is injected into one of the coils, a magnetic field generated by the coil is amplified through the magnetic flux collector and guided to an area where an NV color center magnetometer is located, and the NV color center magnetometer is located; and the signal is driven to enter a nonlinear response interval in the demodulated ODMR spectrum. A weak (1-50mV) to-be-measured low-frequency (0.1-10Hz) current signal is injected into the other coil, amplitude modulation is performed on the weak (1-50mV) to-be-measured low-frequency (0.1-10Hz) current signal by using the same frequency as the driving current, and the weak (1-50mV) to-be-measured low-frequency (0.1-10Hz) current signal is amplified by the magnetic flux collector and guided to the NV The microwave frequency is locked at the maximum slope point of the ODMR frequency spectrum through CW-ODMR phase-locked amplification, so that the relationship between the change of the red fluorescence signal intensity and the size of the external magnetic field is obtained, and the signal intensity of the low-frequency current magnetic field to be measured is measured according to the relationship.

The invention relates to the technical field of heat dissipation monitoring control, and discloses a diamond single crystal directional heat dissipation monitoring method and system based on artificial intelligence. The method comprises the steps of collecting temperature data of the diamond single crystal heat dissipation system through a temperature sensor network, dynamically modeling to generate a heat flow control model, calculating and outputting fan and flow control instructions in a closed loop mode, adjusting the cooling system in real time and obtaining feedback, analyzing temperature deviation to generate correction, automatically optimizing a heat dissipation control device, and achieving intelligent and efficient heat dissipation. Active prediction and dynamic regulation and control of the heat dissipation system are realized through an artificial intelligence technology, and the heat dissipation efficiency and the system reliability are improved.