25 results about "Microheater" patented technology

The invention relates to the technical field of rectifying towers, in particular to a miniature high-integration flexible intelligent rectifying tower device. According to the technical scheme, the device comprises a miniature distillation tower, the miniature distillation tower comprises a plurality of groups of tower sections which are detachably mounted, and a tower plate, a miniature heater directly connected to the tower bottom of the miniature distillation tower and a miniature condenser directly connected to the tower top of the miniature distillation tower are mounted in each tower section; the micro reflux system is arranged on one side of the micro distillation tower; and the micro product collecting system is arranged on one side of the micro distillation tower. According to the miniature rectifying tower, the occupied area of equipment and the material handling capacity are remarkably reduced through the miniature structural design, meanwhile, the mass transfer efficiency is enhanced due to the fact that the gas-liquid contact area in unit volume is multiplied, functional units are rapidly replaced or expanded according to production requirements through a modular framework, and a whole set of miniature rectifying tower is integrally assembled. The customization period is greatly shortened, and teaching demonstration and industrial small-scale test scenes are compatible.

Various embodiments disclosed herein provide for an improved method for sensing the temperature at an individual sensor location that is both small in size, and the temperature can be determined independent of the temperature of the Temperature Management Controller (TMC). The method includes determining the temperature at the temperature sensing element or circuit based on a function of two voltages measured at the temperature sensing element. In a first embodiment, the two voltages are measured at two transistors that are each being supplied with the same current. In another embodiment, the temperature sensing element includes a single transistor that is supplied with two different currents at different times, and the voltages are measured at the same current, with each of the two voltages being measured based on the two currents being supplied to the transistor.

The invention discloses a flow sensing structure and a temperature excursion compensation circuit for the flow sensing structure, the temperature excursion compensation circuit comprises a first resistor, a second resistor, an intelligent temperature control resistor, an environment temperature reference resistor and a micro heater which are sequentially connected in series, the connection point of the first resistor and the intelligent temperature control resistor is connected with the positive input end of a first operational amplifier, and the negative input end of the second operational amplifier is connected with the negative input end of a second operational amplifier; the connection point of the second resistor and the micro heater is connected with the negative input end of the first operational amplifier, and the connection point of the first resistor and the second resistor is connected with the output end of the first operational amplifier; the micro heater is in heat transfer with the Wheatstone bridge in a thermal coupling mode, the first end and the second end of the Wheatstone bridge are connected with the negative input end and the positive input end of the second operational amplifier respectively, the positive output end of the second operational amplifier is connected with the first end of the first configuration resistor, and the negative output end of the second operational amplifier is connected with the second end of the second configuration resistor. The temperature drift can be remarkably suppressed, and the measurement precision is improved.

Provided is a heat therapy system capable of controlling temperature which is used by being connected to a commercial power source and which, while reducing the risk of occurrence of a dangerous electric shock to a human body, can safely and reliably provide a therapeutic effect by heating a lesion with a thermal probe in which a microheater inserted inside is heated by energization. A thermal probe 10, which comprises a microheater 2 including a heater body 230 and a temperature detection element 240 accommodated in a hollow portion formed inside a heat transfer pipe 210 and which heats a lesion by puncturing, being inserted into, or pressed against the lesion, is detachably connected to a control device 20. In the control device, an isolated power source unit 30 converts a commercial power into a low-voltage DC power for driving the heater, and a heater power control unit 40 controls, on the basis of a temperature detection result obtained by the temperature detection element 240 arranged in the microheater 2, the DC power that is supplied to the microheater 2 provided in the thermal probe 10 so that the temperature becomes equal to or higher than a temperature at which protein of the lesion undergoes irreversible thermal denaturation, and equal to or lower than a temperature at which the lesion undergoes local boiling.

The present application provides a thin film getter structure with a micro heater and a manufacturing method thereof, the thin film getter structure comprising: a substrate; a thermal sub formed on one main surface side of the substrate; and a getter film formed on the surface of the thermal sub, wherein the thermal sub comprises: a first insulating film; a thin film resistor formed on the upper surface of the first insulating film; and a second insulating film covering the thin film resistor, two ends of the thin film resistor being electrodes exposed from the second insulating film, the one main surface of the substrate having a cavity, the part of the thermal sub carrying the getter film being located above the cavity, and the part of the thermal sub carrying the getter film being supported on the one main surface around the cavity through a connecting part.

A sensor assembly for detecting a presence of an analyte includes a detector and a microheater. The detector includes an electrode layer including interdigitated electrodes and nanofibers that are formed of a fiber material exhibiting an electrical signal that changes based on exposure to the analyte. The microheater is coupled to the detector and includes a heating element that is capable of heating at least a portion of the detector to a temperature that reduces a quantity of water molecules in a region proximate the nanofibers.

The present invention discloses a preparation method of a micro heater, which includes a substrate having an etching groove; a composite support layer covering the entire substrate; a heating layer deposited on the upper surface of the composite support layer; a protective layer covering the heating structure; a passivation layer covering the heating layer and the protective layer; a metal heat dissipation layer disposed inside the passivation layer; the method includes: forming a composite support layer on the upper surface of the substrate; depositing a heating layer on the upper surface of the composite support layer; depositing a protective layer for covering the heating structure on the heating structure of the heating layer; depositing a passivation layer on the upper surface of the composite support layer; depositing a metal heat dissipation layer on the upper surface of the passivation layer; continuously depositing the passivation layer to a predetermined thickness to wrap the metal heat dissipation layer; etching a window in the passivation layer, and depositing a Pad layer on the upper surface of the exposed connection electrode; etching the substrate to form an etching groove. The thin film structure of this micro heater is stable, has good heat dissipation performance, and short thermal response time, solving the problem that traditional micro heaters cannot balance the thermal response rate and structural stability.

This invention provides a temperature-controlled heating therapy system that connects to a commercial power supply, minimizing the risk of dangerous electric shock to the human body, and safely and reliably delivering therapeutic effects by heating the lesion with a thermal probe. [Solution] The control device 20 includes a microheater 2 in which a heater body 230 and a temperature detection element 240 are housed in an air core formed inside a heat transfer tube 210, and a thermal probe 10, which is detachably connected to the lesion to heat the lesion by puncturing, inserting, or pressing against the lesion, converts the commercial power supply into a low-voltage DC power supply for driving the heater using an isolated power supply unit 30, and controls the DC power supplied to the microheater equipped with the thermal probe using a heater power control unit 40, based on the temperature detection result of the temperature detection element arranged in the microheater, so that the temperature is above the temperature at which the proteins in the lesion irreversibly denature and below the temperature at which the lesion locally boils.

The present application provides a thin film getter structure with a micro heater and a manufacturing method thereof, the thin film getter structure comprising: a substrate; a thermal sub formed on one main surface side of the substrate; and a getter film formed on the surface of the thermal sub, wherein the thermal sub comprises: a first insulating film; a thin film resistor formed on the upper surface of the first insulating film; and a second insulating film covering the thin film resistor, both ends of the thin film resistor being electrodes exposed from the second insulating film.

The present disclosure relates to an electronic smoking article that provides for improved aerosol delivery. Particularly, the article comprises one or more microheaters. In various embodiments, the microheaters provide for improved control of vaporization of an aerosol precursor composition and provide for reduced power requirements to achieve consistent aerosolization. The present disclosure further relates to methods of forming an aerosol in a smoking article.

The present invention provides a method and system for controlling the measurement environment of a Raman spectrometer, wherein the system includes a Raman spectrometer temperature control system, a sample purification and flow and pressure control system; the Raman spectrometer temperature control system includes a Raman spectrometer sample gas micro heater, a heat conductor temperature measuring meter, a gas temperature measuring tee, a gas temperature measuring meter, a Raman spectrometer optical path cell body, an optical path cell body temperature measuring meter, a temperature setting instrument, a PID operation program device, a regulator, a heater temperature controller, and an optical path cell temperature controller. The scheme of the present invention can solve the problem that the Raman spectrometer cannot adapt to the harsh and changeable logging field environment and the measurement value is inaccurate.

We provide a technology to control the negative thermal quenching effect in a specific temperature range in a single-layer MoS2 / bulk InSe heterojunction structure and selectively enhance the luminescence properties. [Solution] We developed a structure that incorporates an electron-phonon coupling-enhancing intermediate layer (a 0.5-nm-thick Al2O3 layer) and a surface treatment layer (a selenium-evaporated layer) between a single-layer MoS2 and bulk γ-InSe, and is equipped with a temperature control mechanism that combines a microheater and a cryogenic cooling device. This structure exhibits negative thermal quenching in the temperature range of 30 to 80 K, and the luminescence intensity increases with increasing temperature. The temperature coefficient is improved to 0.7% / K, and the temperature response of the luminescence intensity is more than twice that of conventional structures. This will enable the realization of new devices such as highly sensitive temperature sensors with a temperature resolution of less than 0.05 K and optical switches with a response time of less than 10 ms.

The invention provides a reflow soldering selective temperature control device and method based on neural network PID control, and relates to the technical field of selective temperature control, visual scanning monitoring of distribution of elements with different heat capacities is carried out on a PCB, temperature field data is acquired from visual scanning information, and real-time element size information of a preset key area is extracted; performing control quantity analysis, and outputting the control quantity of the independent temperature control module corresponding to the preset key area; carrying out selective temperature compensation analysis on a preset key area, carrying out selective temperature compensation control according to compensation analysis data, carrying out adjustment analysis on adjustment parameters of a micro heater, carrying out parameter adjustment control on the micro heater according to adjustment analysis data, and obtaining selective temperature control data; dynamic and accurate local temperature compensation can be realized for elements with different heat capacities on the same PCB, so that the temperature difference between the elements is remarkably reduced, and welding defects caused by different heat capacities of large and small elements are avoided.

This application belongs to the field of optoelectronics, specifically disclosing a stepped microheater for phase-change photonic devices and its fabrication method. The microheater includes a substrate, a phase-change material thin film, and at least three electrode layers. Except for the bottom electrode, the remaining electrodes are arranged in an open stepped pattern on both sides of the phase-change material thin film from bottom to top. A heating region is formed on the bottom electrode, and the phase-change material thin film is disposed above the heating region. The open stepped structure of the electrodes optimizes the current distribution on the electrodes when a driving signal is applied to the top electrode, causing the current density in the heating region to reach a peak value, thereby generating Joule heating in the heating region and achieving a change in the state of the phase-change material thin film. The stepped microheater for phase-change photonic devices provided in this application features high heating efficiency, low heat loss, and fast switching speed.

Disclosed is a plasma processing apparatus comprising a plasma electrode, an electrostatic chuck, and a diode board. The electrostatic chuck includes a microheater layer and a chuck electrode. The microheater layer includes an inner heater part and an outer heater part. The inner heater part includes a first inner heater in a first inner region that circumferentially surrounds a center of the microheater layer, and a second inner heater in a second inner region that circumferentially surrounds the first inner region. The outer heater part includes a first outer heater in a first outer region that circumferentially surrounds the second inner region, and a second outer heater in a second outer region that circumferentially surrounds the first outer region. A distance between centers of the first and second outer heaters is less than that between centers of the first and second inner heaters.

The invention provides a sample cavity positioning and adjusting device of magnetic measurement equipment, which relates to the technical field of dilution refrigerators and comprises a base ring, an adjusting ring and an in-situ monitoring and feedback control module. Intelligent active locking modules and adjusting jackscrews which are matched with the adjusting rings for use are mounted on the front side, the rear side, the left side and the right side of the inner bottom of the base ring; the intelligent active locking module comprises a memory alloy brake, a micro heater, a temperature sensor and a thrust block; the in-situ monitoring and feedback control module comprises a central processing unit and four optical ranging units, and the optical ranging units are used for monitoring the radial position and the inclination angle of the adjusting ring; and the central processing unit is electrically connected with the micro heater, the temperature sensor and the four optical ranging units. Precise positioning of the sample cavity in the whole process from the room temperature to the extremely low temperature is achieved, all freedom degrees can be locked rapidly and reliably, it is ensured that the position of the sample cavity is kept stable for a long time in the subsequent operation and system operation process, and the anti-interference capacity is high.

In one example, a gas sensor is provided, including a substrate, an isolation region formed on an outer edge of the substrate, a microheater formed on the isolation region, a sensing layer formed on the substrate within the isolation region, and a source and a drain formed around the sensing layer and within the isolation region.

This invention discloses a high-durability FeNAND device with a microheater and its fabrication method, belonging to the field of micro-nano electronics technology. The invention consists of a FeNAND memory and a microheater. The Joule heat generated by the microheater can recover from the fatigue of the FeNAND device caused by write cycles, thereby effectively optimizing the durability of the FeNAND without affecting the storage density of the FeNAND memory. The FeNAND device with the microheater of this invention is compatible with advanced node 3D NAND storage technology, does not introduce additional process costs, has minimal impact on storage density, and can be easily applied to 3D FeNAND storage technology.

The utility model discloses a miniature heater, comprising a substrate provided with an etching groove; the supporting layer comprises a silicon dioxide layer arranged on the upper surface of the substrate and a supporting upper layer arranged on the upper surface of the silicon dioxide layer; the heating layer is provided with a heating disc deposited on the upper surface of the supporting upper layer and a connecting electrode led out, and the heating disc is provided with a patterned structure; the protective layer covers the heating disc of the heating layer; a passivation layer covering the heating layer and the protective layer; and the metal heat dissipation layer is arranged in the passivation layer. The defects that a traditional micro heater is fragile in film structure and poor in thermal response performance are overcome.

To provide a technique for controlling negative thermal extinction effects in a specific temperature range, and negative selectively reinforcing light-emitting characteristics, in a single layer MoS2 / bulk InSe heterojunction structure.SOLUTION: There is provided a structure including such a temperature control mechanism that an electron-phonon coupled reinforcement intermediate layer (Al2O3 layer having thickness of 0.5 mm) are introduced between a single layer MoS2 and a bulk γ-InSe, and a surface-treated layer (selenium vapor-deposited layer), and a microheater and an ultralow temperature cooling device are combined. The structure exhibits negative thermal extinction effects in a temperature range of 30 K to 80 K, and increases light-emitting intensity together with a temperature rise. A temperature coefficient is improved to 0.7% / K, and temperature responsiveness of the light-emitting intensity is twice or more of a conventional structure. Thereby, a new device such as a high sensitivity temperature sensor having temperature resolution of less than 0.05K, and a light switch having a response time of less than 10 ms can be achieved.SELECTED DRAWING: None

The utility model relates to the technical field of wind driven generators, and discloses a fan blade ice melting device which comprises a blade body, one end of the blade body is a root portion, the other end of the blade body is a front end portion, and one side of the blade body is a rear edge. According to the utility model, the power supply in the anti-icing control cabinet is started at the root part of the blade, the micro air suction pump is started to run, outside air is absorbed and enters the pump, cold air is changed into hot air after being heated by the micro heater, and then the hot air is blown to the front end of the blade through the air guide pipe; according to the ice melting device, the blade tip is designed, the blade tip is provided with the flow guide protrusions, hot air flows towards the rear edge channel through the blade tip and then flows into the front edge channel, backflow circulation and repeated circulation are formed, then the temperature rises, heat is transmitted to the blade surface, and therefore the ice melting purpose is achieved, and by designing the flow guide plates and arranging the flow guide protrusions on the flow guide plates, hot air flow operation is more uniform; and uniform heating is realized, so that the ice melting surface area is enlarged.

The invention belongs to the technical field of VR, and particularly relates to wearable portable VR fire-fighting training equipment, which comprises a VR fire-fighting simulation hood and a hot air supply module which are in signal connection with a training control center, and is characterized in that the VR fire-fighting simulation hood comprises a pose sensor, a positioning module, a data processing module, a hood body, VR eyepiece equipment, an air inlet and an air outlet; a shell part of the hood body is divided into a flexible layer, a heat insulation protection layer, a ventilation layer, a heating layer and a shell layer from inside to outside, the ventilation layer is provided with a plurality of air channels, one ends of the air channels are connected to the air inlets in a one-to-one correspondence mode, the other ends of the air channels are connected to the air outlets, and the air channels are distributed in the circumferential direction of the hood body and correspond to different directions. And a heating strip formed by arranging a plurality of micro heaters up and down is arranged on the heating layer. According to the invention, temperature change simulation of the hood is provided in real time based on the heat source virtual fire scene space corresponding to the VR video, and finally, a user of the equipment can feel the temperature change of each part of the hood.

To provide an electronic smoking article that provides improved aerosol delivery.SOLUTION: The article comprises one or more microheaters 50. Each microheater 50 is formed of a supporting layer 510, a protective layer 540, and a patterned electrically conductive layer 520 sandwiched between the supporting layer and the protective layer. In various embodiments, the microheaters 50 provide improved control of vaporization of an aerosol precursor composition and provide reduced power requirements to achieve consistent aerosolization.SELECTED DRAWING: Figure 1

Disclosed is a sampled grating distributed Bragg reflector laser diode. The diode includes a lower clad layer including a gain region, and a first reflection region at one side of the gain region, a waveguide layer provided on the lower clad layer and including gratings in the first reflection region, an upper clad layer provided on the waveguide layer and including heating regions on the gratings and non-heating regions between the heating regions, and an upper electrode layer on the upper clad layer. The upper clad layer may include a first upper electrode on the upper clad layer in the gain region, and a first wavelength-tunable electrode including a first heater electrode on the upper clad layer in the first reflection region and first plate electrodes on the first heater electrode in the non-heating regions.