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284results about How to "Raise the resonance frequency" patented technology
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Head gimbal assembly
InactiveUS6891700B2More frequencyReduce parasitic capacitanceFluid-dynamic spacing of headsRecord information storageElectrical conductorSignal trace
An HGA includes a magnetic head slider with at least one thin-film magnetic head element, a metal suspension for supporting the magnetic head slider, signal trace conductors formed via an insulation material layer on the metal suspension, for transmitting signals of the at least one thin-film magnetic head element, and external signal connection pads formed via an insulation material layer on the metal suspension and electrically connected to the signal trace conductors. At least part of the metal suspension under the external signal connection pads is removed.
Owner:TDK CORPARATION +1
Condenser microphone
InactiveUS20080219482A1Improve environmental adaptabilityImprove abilitiesSolid-state devicesElectrostatic transducer microphonesCapacitanceResonance
An electroacoustic transducer includes a condenser microphone, which includes a package having a cavity and a through-hole, a plate whose thickness is thinner than the length of the through-hole and which has a sound hole overlapping with the through-hole in plan view, and an electroacoustic transducer die, which is stored in the cavity of the package. The electroacoustic transducer die includes a fixed electrode and a diaphragm electrode, which are positioned opposite to each other and which are supported by and enclosed inside of a support. The sound hole of the plate is reduced in dimensions realizing a small sectional area and a small depth, thus realizing a high resonance frequency higher than the audio frequency range.
Owner:YAMAHA CORP
Acoustic device and electronic equipment
ActiveCN109803215ALower resonance frequencyRaise the resonance frequencyLoudspeakersLoudspeaker diaphragm materialsCapacitanceThermoplastic elastomer
The embodiment of the invention provides an acoustic device and electronic equipment, the acoustic device comprises a first closed cavity and a second closed cavity, a spacing part can be at least partially and flexibly deformed, the first closed cavity is adjacent to a vibrating diaphragm, and the second closed cavity is far away from the vibrating diaphragm; When the vibrating diaphragm vibrates, the internal sound pressure of the first closed cavity is changed, the flexible deformation part is deformed along with the change of the sound pressure in the first closed cavity, and the volume ofthe first closed cavity is flexibly adjusted; The second sealed cavity seals sound waves generated when the flexible deformation part deforms in the second sealed cavity, and the flexible deformationpart is of a single-layer structure made of a thermoplastic elastomer material layer or a multi-layer composite structure at least compounded with a thermoplastic elastomer material layer. Therefore,the acoustic device provided by the invention can increase the sound capacitance of the flexible deformation part, thereby reducing the resonant frequency of the sound production device and effectively improving the low-frequency effect of the sound production device.
Owner:GOERTEK INC
Mirror driving device and method of controlling the device
ActiveUS20130208330A1Excellent characteristicHigh constantPiezoelectric/electrostrictive/magnetostrictive devicesOptical elementsEngineeringSubtended angle
A mirror driving device can include: a mirror part having a reflection surface configured to reflect light; mirror support parts formed at portions of the mirror part diagonal to each other; and a first actuator and a second actuator placed so as to surround the mirror part, wherein the first actuator and the second actuator each have a structure in which a plurality of first piezoelectric cantilevers with a longitudinal direction oriented to a direction of a first axis and a plurality of second piezoelectric cantilevers with a longitudinal direction oriented to a second axis are coupled together so as to be folded, and each of the first actuator and the second actuator has one end connected to the mirror part via a relevant one of the mirror support parts and another end connected to a fixing part near the mirror support part to which the one end is coupled.
Owner:FUJIFILM CORP
Liquid ejection head and liquid ejection apparatus
InactiveUS20060050111A1Supply side flow passageRaise the resonance frequencyInking apparatusInertanceHead parts
The liquid ejection head comprises: a nozzle through which liquid is ejected, the nozzle having an inertance Mn; a pressure chamber which accommodates the liquid to be ejected through the nozzle; a pressurizing device which applies pressure to the liquid accommodated in the pressure chamber by deforming the pressure chamber to eject the ink from the pressure chamber; and a supply side flow passage which communicates with the pressure chamber and supplies the liquid to the pressure chamber, the supply side flow passage having an inertance Ms smaller than the inertance Mn of the nozzle.
Owner:FUJIFILM CORP
Head suspension for disk drive and method of manufacturing head suspension
InactiveUS20020181155A1Reduce weightReduce the amplitudeRecord information storageInsulating layers/substrates workingStructural engineeringEngineering
A head suspension for a disk drive has a base (19) to be attached to a carriage, a load beam (21) having a rigid part (27) and a resilient part (29) supported by the base, to apply load on a data read / write head (13) arranged at a front end (27a) of the rigid part, and a flexure (49) attached to the load beam and supporting the head. The rigid part has a multilayer structure consisting of at least three layers including metal layers (28a, 28b) and a resin layer (28c) interposed between the metal layers. The number of layers of the resilient part is smaller than that of the rigid part.
Owner:NHK SPRING CO LTD
Connector having an electronic element built therein without disturbing a characteristic impedance
InactiveUS20060276064A1Save spaceImproved in electric characteristicCoupling for high frequencyTwo-part coupling devicesCharacteristic impedanceElectronic component
In a connector to be mounted to a connection object, an insulating housing holds a first and a second contact and has a receiving portion for receiving and holding a circuit board with an electronic element mounted thereon. The first contact has a first contacting portion to be contacted with a mating connector and a first elastic contacting portion brought into elastic contact with the circuit board. The second contact has a second contacting portion to be connected to the connection object and a second elastic contacting portion brought into elastic contact with the circuit board. Conductive first and conductive second connecting portions are disposed on the circuit board to be connected to the first and the second elastic contacting portions, respectively. In addition, a pair of ground patterns is disposed on the circuit board with the first and the second connecting portions interposed therebetween.
Owner:JAPAN AVIATION ELECTRONICS IND LTD +1
Self-generation wide-band laminated magnetic induced piezoelectric effect AC magnetic field sensor and production method thereof
InactiveCN101430369ASmall demagnetization factorEasily magnetizedMagnitude/direction of magnetic fieldsThin film electrodeMagnetic field amplitude
A power generation type AC magnetic field sensor based on magneto piezoelectric effect is a laminated structure consisting of magnetostrictive rod, a piezoelectric material, the magnetostrictive rod and a permanent magnetic material; the upper surface and the lower surface of the piezoelectric material are provided with silver membrane electrode respectively, and the magnetostrictive rods is equipped with a signal output lead. The sensor can detect the alternating current without power supply, so the sensor is an energy-saving device with zero power consumption. The sensor has the advantages of small volume and low weight, can detect the AC magnetic field bandwidth ranging from 500Hz to 70kHz, and keeps a good linear relation between the output voltage and the magnetic field amplitude. The sensor adopts a thin rod structure, thus greatly reducing the volume of the sensor, enhancing the sensitivity and the bandwidth of the sensor. A bias magnetic field provided for the thin rod is greatly reduced for using small size of the magnetostrictive material, and can be integrated with a sensitive body. The sensor can be applicable to passive detection of the alternating magnetic fields.
Owner:JIANGSU UNIV
Inductor built-in wiring board having shield function
ActiveUS20090008148A1Easy to usePattern forming areaMagnetic/electric field screeningCross-talk/noise/interference reductionInductorElectronic component
There is provided a wiring board having a shield function. The wiring board includes: a plurality of conductive shield patterns adapted to surround a circumference of at least one electronic component mounting area on the wiring board, the plurality of conductive shield patterns being adjacent to each other; and at least one inductor formed of a conductive pattern and provided between the conductive shield patterns.
Owner:SHINKO ELECTRIC IND CO LTD
Vibration-damping device for vehicles and method of manufacturing the same
InactiveUS20050253317A1Novel structureReduce exerciseMachine framesNon-rotating vibration suppressionRubber materialVulcanization
A vehicle vibration-damping device including a rigid housing and an independent mass member housed in the housing and having a metallic mass of circular shape in section and a rubber elastic body layer adhered to the metallic mass. A distance of a gap between opposing surfaces of the housing and the metallic mass in the radial direction, with the housing and metallic mass disposed coaxially, is set to between 0.5 and 2 mm. The rubber elastic body layer is formed around an entire outer peripheral surface of the metallic mass by a vulcanization molding of a rubber material filling the gap, and thermal contraction is used both to cause the rubber elastic body layer to peel from the housing and to cause it to adhere onto the outer peripheral surface of the metallic mass to thereby fabricate a small gap of no more than 0.1 mm. A method of manufacturing the same is also disclosed.
Owner:SUMITOMO RIKO CO LTD
Micro-oscillating element provided with torsion bar
InactiveUS7031041B2Reduce the possibilityLarge twisting anglePiezoelectric/electrostriction/magnetostriction machinesSnap-action arrangementsEngineeringMechanical engineering
Owner:FUJITSU LTD
Miniaturization lens-free laser three-dimensional imaging system based on micro-electromechanical system (MEMS) scanning micro-mirror and imaging method thereof
InactiveCN102508259ASimple light pathReduce volumeElectromagnetic wave reradiationOptical elementsMicrocontrollerEngineering
The invention discloses a miniaturization lens-free laser three-dimensional imaging system based on a micro-electromechanical system (MEMS) scanning micro-mirror and an imaging method thereof. The miniaturization lens-free laser three-dimensional imaging system adopts a red,green and blue three-color laser as a lighting source, three-color laser output luminous power combines into a bunch of white light to be projected on the surface of an object after modulation, red light components, green light components and blue light components in scattering light on the surface of the object are received by a photoelectric receiver group, and a distance value of a single detected pixel and a range value of three-color light components are obtained by a measuring circuit. A microcontroller calculates three-color luminous value of the single detected pixel according to the range value of the three-color light components, and a three-color real luminous value of the pixel is obtained by using a real-time distance square correction method. The microcontroller controls the MEMS micro-mirror to scan, distance values and three-color real luminous values of all pixels are obtained, a depth image and a gray level image of the object is generated by combination, and a three-dimensional colored image of the object is finally obtained. The miniaturization lens-free laser three-dimensional imaging system needs no optical lens, and is high in imaging resolution ratio, fast in speed, simple in structure and easy to miniaturize.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Duplexer and communication device
ActiveUS7808935B2Reduced characteristicsRaise the resonance frequencyMultiple-port networksTransmissionUltrasound attenuationEngineering
Provided is a demultiplexer capable of improving attenuation characteristic and isolation characteristic of a filter having a lower transmission frequency band among two filters having different transmission frequency bands, outside the transmission frequency band of a high-frequency side. A communication device using the demultiplexer is also disclosed. A first spiral wiring portion (55) and a sixth wiring portion (56) are formed so that an angle defined by a direction of a part (L1) of the first spiral wiring portion (55) and a direction of a part (L2) of the sixth spiral wiring portion (56) on a predetermined virtual plane is, for example, 0 degree and the direction of the current flowing in the part (L1) of the first spiral wiring portion (55) is opposite to the direction of the current flowing in the part (L2) if the sixth wiring portion (56).
Owner:KYOCERA CORP
Method of manufacturing a piezoelectric thin film resonator, manufacturing apparatus for a piezoelectric thin film resonator, piezoelectric thin film resonator, and electronic component
ActiveUS7239067B2Avoid unnecessary etchingReliable and easy to manufacturePiezoelectric/electrostriction/magnetostriction machinesImpedence networksElectronic componentPiezoelectric thin films
A method of manufacturing a piezoelectric thin film resonator forms, after forming a piezoelectric film on a substrate so as to cover a lower electrode formed on the substrate, an electrode material layer for forming an upper electrode above the piezoelectric film, forms a mask of a predetermined form on the electrode material layer, and then etches the electrode material layer to form the upper electrode. Before a step of forming the electrode material layer, a protective layer for protecting the piezoelectric film during etching of the electrode material layer is formed so as to cover at least a part of the piezoelectric film where the upper electrode is not formed, and the electrode material layer is then formed so as to cover the protective layer.
Owner:SNAPTRACK
Micromechanical rate-of-rotation sensor
InactiveCN101855516AReduce moment of inertiaCompact and robust implementationTurn-sensitive devicesClassical mechanicsRotation sensor
Owner:MAXIM INTEGRATED PROD GMBH
Demultiplexer and communication device
ActiveUS20090147707A1Improve attenuation characteristicsImprove isolation characteristicsMultiple-port networksTransmissionCommunication deviceHigh frequency
Provided is a demultiplexer capable of improving attenuation characteristic and isolation characteristic of a filter having a lower transmission frequency band among two filters having different transmission frequency bands, outside the transmission frequency band of a high-frequency side. A communication device using the demultiplexer is also disclosed. A first spiral wiring portion (55) and a sixth wiring portion (56) are formed so that an angle defined by a direction of a part (L1) of the first spiral wiring portion (55) and a direction of a part (L2) of the sixth spiral wiring portion (56) on a predetermined virtual plane is, for >example, 0 degree and the direction of the current flowing in the part (L1) of the first spiral wiring portion (55) is opposite to the direction of the current flowing in the part (L2) if the sixth wiring portion (56).
Owner:KYOCERA CORP
Resin-molded component for signal reader and method for molding thereof
InactiveUS7704408B2Light weightGood vibration reduction effectLiquid crystal compositionsFilamentary/web record carriersLiquid crystallinePolymer science
The present invention provides a resin-molded component for signal reader, which is light in weight and is able to improve the vibration damping property and to increase the resonance frequency, and which is excellent in heat dissipation. Specifically, it provides a resin-molded component for signal reader structured by 55 to 75% by weight of liquid crystalline polymer (A) composed of structural units expressed by general formulae (I) through (IV):—O—Ar1—CO— (I)—CO—Ar2—CO— (II)—O—Ar3—O— (III)—O—Ar4—CO— (IV)(where, Ar1 is 2,6-naphthalene group, Ar2 is selected from 1,2-phenylene group, 1,3-phenylene group, and, 1,4-phenylene group, Ar3 is selected from 1,3-phenylene group, 1,4-phenylene group, and p,p′-polyphenylene group, and Ar4 is 1,4-phenylene group); 20 to 10% by weight of inorganic hollow sphere (B1); and 25 to 15% by weight of fibrous inorganic filler (B2), and has 1.4 or smaller specific gravity d, 0.5 W / m·K or larger thermal conductivity λ, and 10 GPa or larger flexural modulus.
Owner:POLYPLASTICS CO LTD
Micro-mechanical system employing electrostatic actuator and fabrication methods of same
InactiveUS6888662B2Raise the resonance frequencyLarge rotation angleAcceleration measurement using interia forcesSpeed measurement using gyroscopic effectsLayered structureElectrostatic actuator
A vertical electrostatic actuator is based on a layered structure consisting of two conducting or semiconducting layers separated by an insulating layer and / or layered structure consisting of p-type and n-type layers separated by a pn-junction. The number of conducting layers, p-type layers and / or n-type layers can be more than two as long as each two adjacent layers are separated by an insulating layer or a pn-junction. The mobile electrode of the actuator can be formed along a flexure in a micro-mechanical system. Two stationary electrodes are located on either side of the mobile electrode. The layered structure of the electrodes increases the torque on the flexure and thus improves the performance of the actuator. Fabrication methods for the electrostatic actuator and micro-mechanical systems employing the same are disclosed.
Owner:ABU AGEEL NAYEF M
Magnetic recording apparatus
ActiveUS20100027161A1Raise the resonance frequencyRecord information storageSpecial recording techniquesResonanceSpin torque oscillators
A magnetic recording apparatus includes a magnetic recording head having a magnetic pole and a spin torque oscillator, the spin torque oscillator being placed adjacent to the magnetic pole and includes at least two magnetic layers of a first magnetic layer and a second magnetic layer, and a magnetic recording medium includes two magnetic layers of a recording layer and an antenna layer, the recording layer including a hard magnetic material, such that the antenna layer is formed closer to the magnetic recording head than the recording layer, in which the antenna layer has a resonance frequency fa lower than a resonance frequency fr of the recording layer, greater than a resonance frequency of the second magnetic layer, and the recording layer and the antenna layer are ferromagnetically coupled to each other.
Owner:KK TOSHIBA
Array antenna apparatus including multiple steerable antennas and capable of avoiding affection among steerable antennas
ActiveUS20100231453A1Raise the resonance frequencyAntenna arraysElectrically short antennasElectromagnetic couplingResonance
A steerable antenna includes an radiating antenna element and parasitic antenna elements. Each of the parasitic antenna elements is provided with a pair of PIN diodes. On each of control lines connecting the PIN diodes to a controller, inductors are provided at predetermined intervals on portions of the control line electromagnetically coupled to another steerable antenna. The intervals for providing the inductors is set to such a length that substantially no resonance occurs in a section of the control line between the inductors at an operating frequency of the steerable antenna.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
Gyroscope
InactiveUS20090090200A1Improve performanceImprove stabilityAcceleration measurement using interia forcesMechanical apparatusGyroscopeEngineering
A gyroscope (10) comprises an outer frame (11); an inner frame (12) positioned inside the outer frame and supported to be movable in one reciprocating direction; a plurality of proof masses (15) positioned inside the inner frame and supported to be movable in the direction orthogonal to the one reciprocating direction; a plurality of outer support suspensions (13) which connect the outer frame and the inner frame; a plurality of inner support suspensions (14) which connect the inner frame and each of the proof masses; actuators (16) for accelerating each of the proof masses; and detectors (17) for detecting displacement of the inner frame against the outer frame. The actuators oscillate the plurality of proof masses in-phase, and wherein Coriolis forces induced on each of the proof masses are summed up in the inner frame.
Owner:JAPAN AEROSPACE EXPLORATION AGENCY
Damper device
ActiveUS20120208647A1Reduce impactIncrease vibration levelYielding couplingFluid gearingsElastomerEngineering
A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. A stiffness of the third elastic body is higher than a stiffness of the second elastic body.
Owner:AISIN AW CO LTD
Modularized scanning probe microscope
InactiveCN1862308ALow costAdapt to the needs of different functionsMicroscopesScanning probe microscopyScanning Hall probe microscopeScanning electron microscope
The present invention relates to a modular scanning probe microscope combined with inverted fluorescence microscope. It is formed from five modules, in which the first module is inverted fluorescence microscope, second module is three-jaw approaching device, third module is scanning head, fourth module includes transparent sample table and X, Y and Z three-dimensional scanner and fifth module is laser microscopic extension module. Said invention also provides its working principle and concrete operation method.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Vibration-proof structure for metallic electrical packaging case
InactiveUS6988575B2Weight increaseReadily attached to vehiclePortable framesNon-rotating vibration suppressionEngineeringPackaging Case
A vibration-proof structure for a metallic electrical packaging case includes a metallic electrical packaging case and a coupling member. The coupling member connects an outer wall of the metallic electrical packaging case and a member forming a side wall of a vehicle. Also, the coupling member may include an engaging portion at one end of the coupling member, which is used for temporarily fixing the coupling member, and an insertion engaging portion, which is engaged with a portion of the member forming the side wall of the vehicle, formed at another end of the coupling member.
Owner:HONDA MOTOR CO LTD
Apparatus and method capable of a high fundamental acoustic resonance frequency and a wide resonance-free frequency range
InactiveUS20070007853A1Reduce the amplitudeRaise the resonance frequencyImpedence networksPiezoelectric/electrostriction/magnetostriction machinesInter layerOptoelectronics
An embodiment of the present invention provides an apparatus capable of a high fundamental acoustic resonance frequency, comprising a substrate, a bottom electrode layer adjacent the substrate, a voltage tunable dielectric layer adjacent the bottom electrode layer, the voltage tunable dielectric layer including an active region, a top electrode adjacent the voltage tunable dielectric layer, a final interconnect layer connected to the top electrode via an interlayer, and wherein the top and bottom electrodes are at a predetermined thickness such that a desired high fundamental acoustic resonance is obtained. The active region of the voltage tunable dielectric layer may be approximately the length of the top electrode and the interlayer and the final interconnect layer may cover only a small fraction of the active region of the voltage tunable dielectric layer, thereby reducing the amplitude of resonances due to the interlayer or final interconnect layer.
Owner:NXP USA INC
Super-large hanging vibration test fixture structure
The invention relates to a super-large hanging vibration test fixture structure, belonging to the field of mechanical test fixtures; an integral frame structure is welded by profile steel and steel plates, and a test piece can be installed inside the integral frame structure; the front and the back of the integral frame structure are opened, a left upright post and a right upright post of the integral frame structure are welded by trapezoid rib plates and hollow steel, and the upper part of the integral frame structure is welded by cubical frames and three vertical rib plates; the integral frame structure can be fixed on the extended table top of a vibrating table by the left upright post and the right upright post; the extended table of the a testing table can drive the frame structure and the test piece to conduct vibration testing; the test piece can rotate for 360 degrees in the frame; and the fixture is an open structure and is characterized by small volume, light weight, good rigidity and higher resonant frequency.
Owner:苏州长菱测试技术有限公司
Orange-peel encapsulating structure for bionic vector hydrophone of micro-electro-mechanical system
InactiveCN102620814AGuaranteed compactnessRaise the resonance frequencySubsonic/sonic/ultrasonic wave measurementSolid-state devicesHydrophoneResonance
The invention relates to an orange-peel encapsulating structure for a bionic vector hydrophone of a micro-electro-mechanical system. Different performance indexes of the hydrophone can be further improved through the orange-peel encapsulating structure. The orange-peel encapsulating structure comprises a support pipe, wherein the top part of the support pipe is provided with a necked-in tubule, the top part of the necked-in tubule is provided with a support disc, the edge of the support disc is provided with a ring-shaped clamping groove, the inside of the ring-shaped clamping groove is fixedly connected with a sound transmission cap, a bottom orifice of the support pipe is provided with a choke plug and a locking nut, a support platform which is fixedly arranged on the support disc, and an orange-peel metal bracket which is threadedly connected onto the support platform are also arranged inside the sound transmission cap, a flexible bracket for holding a four-beam-ciliary-type sensitive body is clamped between the support platform and the orange-peel metal bracket, and the sound transmission cap, the orange-peel metal bracket, the four-beam-ciliary-type sensitive body, the flexible bracket and the support platform are closely and seamlessly combined with one another. Compared with the hydrophone adopting the existing encapsulating structure, the resonance frequency of the hydrophone adopting the orange-peel encapsulating structure can be improved by about three times, the sensitivity can be improved by 20dB, and the reliability and the shock resistance of the hydrophone can also be obviously improved.
Owner:ZHONGBEI UNIV
Connector having an electronic element built therein without disturbing a characteristic impedance
InactiveUS7252552B2Save spaceImproved in electric characteristicCoupling for high frequencyTwo-part coupling devicesEngineeringCharacteristic impedance
Owner:JAPAN AVIATION ELECTRONICS IND LTD +1
Modular atomic force microscope
InactiveCN1587982AGuaranteed OrthogonalityGuaranteed linear relationshipSurface/boundary effectNanotechnologyAtomic force microscopyImaging lens
A modularized atomic energy microscope is disclosed, comprising seven modules. The first one is stepper motor the second is sample support with four-dimensional adjustment fixed on stepper motor, the third is z direction scanner, the fourth consists of microbracket needle point and focusing lens, the fifth is xy direction scanner, the sixth consists of semiconductor laser with focusing lens, reflector, imaging lens and four-quadrant photoelectric sensor, the seventh consists of optical microscope, CCD camera, monitor. The invention has convenient adjustment and replacement to modularized atomic energy microscope, and using each module to construct atomic energy microscope with different structure is easy and sample has function of coarse positioning.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI +1
Imaging system of atomic force microscope on the basis of quartz tuning fork probe
InactiveCN103808967AReduce complexityReduce volumeScanning probe microscopyDamping factorAtomic force microscopy
The invention discloses an imaging system of an atomic force microscope (AFM) on the basis of a quartz tuning fork probe. An AFM controller in the system is respectively connected with a graphic display, a piezoelectric ceramic tube scanner, a drive circuit of a stepping motor, a feedback signal detection circuit and a scanning control signal processing circuit through wire cables so as to achieve transmission of electrical signals, a probe limiting seat is installed on a sample table, a round mounting table is mounted above the probe limiting seat, and the piezoelectric ceramic tube scanner, a displacement adjusting component and a circuit mounting box which is supported by four supporting columns are installed on the round mounting table. By means of the imaging system of the AFM on the basis of the quartz tuning fork probe, a student can know basic working principles of the AFM and operating steps of the imaging system, and the imaging system can be used for observing a microstructure of a sample. During an experiment, the student can measure force sensor--quartz tuning fork probe damping coefficient of the imaging system and observe bistable state phenomena to further understand AFM force action mechanism and parameter setting.
Owner:BEIHANG UNIV
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