Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

176 results about "Getter" patented technology

A getter is a deposit of reactive material that is placed inside a vacuum system, for the purpose of completing and maintaining the vacuum. When gas molecules strike the getter material, they combine with it chemically or by absorption. Thus the getter removes small amounts of gas from the evacuated space.

Getter film with high initial burst rate and lasting moisture absorption rate for perovskite battery

The utility model discloses a getter film with high initial outbreak rate and lasting moisture absorption rate for a perovskite battery, a support framework layer is an expanded polytetrafluoroethylene microporous film layer, and an active layer is a getter active layer formed by infiltrating a getter into a pore structure of the expanded polytetrafluoroethylene microporous film layer. The composite layer is a getter composite layer formed on at least one side surface of the expanded polytetrafluoroethylene microporous membrane layer through a getter. Through the above mode, the periphery of the active material layer of the perovskite cell in a service environment can be kept in a vacuum state for a long time, and the perovskite cell is ensured to be in a high photoelectric conversion efficiency and a stable state for a long time; the getter film is coated with a back adhesive layer and is non-corrosive, and the getter film can be directly pasted on a glass cover plate of a perovskite cell or on silver, aluminum and copper electrodes for packaging after the release film is uncovered during use; and the initial explosion rate is high, and moisture and oxygen can be quickly absorbed in the packaging cavity within two hours, so that a vacuum state is achieved.
Owner:PAN ASIAN MICROVENT TECH JIANGSU CORP

Packaging method for chip atomic clock physical system

According to the packaging method for the chip atomic clock physical system, the getter with the low activation temperature and the solder ring with the high heat sealing temperature are selected, meanwhile, the temperature gradient with the degassing temperature, the getter activation temperature and the vacuum heat sealing temperature rising in sequence is designed, the getter is deposited on the inner wall of the ceramic cap through the chemical vapor deposition technology, and the chip atomic clock physical system is obtained. The integrated structure of the ceramic cap and the getter is formed, the adsorption area is increased through the full-coverage design of the getter, in the out-of-furnace assembly link, the photoelectric component is fixed through a preset bearing area of the ceramic base, the solder ring is limited through an edge sealing area, and the alignment deviation is detected and adjusted in cooperation with an assembly clamp for positioning and a detection tool for detecting and adjusting. The system to be packaged is ensured to be accurately aligned before entering the furnace, part dislocation caused by view limitation in traditional in-furnace assembly is avoided, the comprehensive effects of equipment demand reduction, production efficiency improvement and packaging precision improvement are finally achieved, and it is ensured that the frequency stability and the service cycle of the chip atomic clock meet the use demand.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

Vacuum plate structure

The utility model relates to a vacuum plate structure, which is applied to the technical field of vacuum plates and comprises an aluminum plastic film, a core material and a getter, the aluminum-plastic film is provided with two layers, namely an upper aluminum-plastic film layer and a lower aluminum-plastic film layer, and the upper aluminum-plastic film layer and the lower aluminum-plastic film layer are annularly sealed; the core material is filled between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, the getter is arranged between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer, and the space between the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is vacuumized; the aluminum-plastic film comprises a nylon protective layer, a first aluminum foil layer and a polyethylene PE layer which are sequentially stacked, and the polyethylene PE layer in the upper aluminum-plastic film layer and the lower aluminum-plastic film layer is arranged on the side close to the core material. The space between the upper aluminum plastic film layer and the lower aluminum plastic film layer is filled with the core material and the getter, and vacuumizing treatment is carried out, so that the sound insulation characteristic of the vacuum plate is improved; and the first aluminum foil layer in the aluminum-plastic film can improve the sound insulation index of high-frequency sound in the vacuum plate, reduce the air leakage rate and improve the durability of the vacuum plate.
Owner:KONGYIN TECHNOLOGY (CHANGSHU) CO LTD

MEMS component having MEMS element with chamber and ASIC component

The invention relates to a MEMS component having a MEMS element with a chamber, the chamber being at least partially delimited by an ASIC component, the ASIC component having a plurality of conductor track layers which lie one above the other in the y-direction between a cover layer and a bottom layer, the conductor track layers being connected to circuit elements of the ASIC component and / or sensor elements and / or actuator elements of the MEMS element, the ASIC component is adjacent to the chamber via the cover layer, the conductor track layers comprise at least one first conductor track layer and at least one second conductor track layer, the first conductor track layer is arranged between the second conductor track layer and the cover layer, the first conductor track layer comprises at least one first conductor track, and the second conductor track layer comprises at least one second conductor track. The first conductor path has a layer stack consisting of an aluminum layer and a titanium layer arranged one above the other in the y-direction, the titanium layer being arranged between the second conductor path layer and the aluminum layer, the titanium layer having a thickness in the y-direction greater than 40 nm, the second conductor path layer having a copper-containing second conductor path, the thickness of the titanium layer being greater than 40 nm, and the thickness of the aluminum layer being greater than 40 nm. The titanium layer is provided as a getter layer for bonding hydrogen, the hydrogen being releasable from the copper layer of the second conductor track, in particular from the stack of copper-based conductor track layers, and the titanium layer reducing or preventing the entry of the released hydrogen into the chamber.
Owner:ROBERT BOSCH GMBH

Non-evaporative getter coated component, non-evaporative getter coated container, method for manufacturing the same, and manufacturing apparatus.

To suppress the decline in exhaust performance. [Solution] The non-evaporative getter coated component 100 includes a non-evaporative getter material layer 102 and a noble metal layer 103 formed on top of the non-evaporative getter material layer 102, and includes a barrier layer 104 between the substrate 101 and the non-evaporative getter material layer 102. The non-evaporative getter material layer 102 is, for example, a Ti layer. The noble metal layer 103 is, for example, a Pd layer. The barrier layer 104 is a film of either an oxide film 104a of the non-evaporative getter material or a nitride film 104b of the non-evaporative getter material. The oxide film 104a of the non-evaporative getter material is, for example, a TiO2 layer. The nitride film 104b of the evaporative getter material is, for example, a TiN layer.
Owner:HIGH ENERGY ACCELERATOR RESEARCH ORGANIZATION +1

An updraught device

ActiveCN224547242USuitable for automated mass productionFully automatedVacuum insulated panelGetter
The utility model discloses an upper adsorber equipment, including conveying device and blanking device, conveying device includes conveyer belt and conveying frame, and conveyer belt rotatable is established on conveying frame, blanking device includes frame body, base, storage tube and horizontal push mechanism, and frame body is erected on conveying frame, and base sets up on frame body and is located conveying belt top, and storage tube sets up on base, and forms storage cavity in storage tube, and the lower extreme of storage tube is the discharge gate, and forms the push material space between discharge gate and base, and horizontal push mechanism sets up on base, and horizontal push mechanism includes the horizontal push piece of push material space transverse movement. The utility model discloses through setting up conveying device and blanking device, realizes the automatic adsorber on core material, is applicable to the automatic batch production of vacuum heat insulation board.
Owner:FUJIAN SUPER TECH ADVANCED MATERIAL CO LTD

A high-purity germanium detector vacuum life measurement device

ActiveCN224303864URadiation measurementHpge detectorTest room
The utility model discloses a kind of high-purity germanium detector vacuum life measuring device, including vacuum generation module and detection component, detection component is by first detection module and second detection module intercommunication composition, vacuum generation module and detection component intercommunication;First detection module includes first vacuum angle valve, vacuum leak and release gas test chamber and first vacuum gauge;Second detection module includes second vacuum angle valve, getter test chamber, getter sample chamber, second vacuum gauge, fine adjustment valve and high-purity test gas tank;The high-purity germanium detector vacuum life measuring device of this is vacuumized to detection component by vacuum generation module, subsequently detects the leak and release gas amount of high-purity germanium detector by first detection module, and then detects the getter gas suction capacity by second detection module, i. e. The vacuum life of high-purity germanium detector can be detected and calculated;The device can effectively detect the vacuum performance of high-purity germanium detector, provide support for the maintenance of high-purity germanium detector, ensure its detection accuracy.
Owner:GUANGDONG QINGLANHUA INNOVATION TECHNOLOGY CO LTD

Composite getter material capable of efficiently absorbing nitrogen, and preparation method therefor

The present invention relates to the field of new materials. Disclosed are a composite getter material capable of efficiently absorbing nitrogen, and a preparation method therefor. The composite getter material comprises a main component A and an additive component B. The main component A and the additive component B form an aAbB composite getter, wherein a+b=100%, 50 wt%≤a<100 wt%, and 0 wt%<b<50 wt%. The composition of the main component A is (SiO2)1-x-y-z(Al2O3)x(CaO)yCz, wherein 20 wt%≤x≤70 wt%, 10 wt%≤y≤60 wt%, and 0 wt%≤z≤40 wt%. The additive component B is a metal compound Zr-Ti-V getter material. The aAbB composite getter of the present invention has greatly improved absorption capacity for CO and H2O; moreover, the getter material can also absorb N2 on the basis of absorbing CO and H2O, thereby ameliorating the problem of existing metal oxides having poor N2 absorption capacity, and also improving the absorption capacity of the metal oxide (SiO2)1-x-y-z(Al2O3)x(CaO)yCz for CO, H2O and N2.
Owner:SHANGHAI JINGWEI MATERIAL TECHNOLOGY CO LTD

Organic light emitting display device

ActiveCN114388577BMethacrylateDisplay device
The present disclosure relates to an organic light emitting display device, and an organic light emitting display device according to an exemplary embodiment of the present disclosure includes a filler filling a gap between a second substrate and an organic light emitting diode, and a dam structure disposed in a non-display area and surrounding the filler. At least one of the dam structure and the filler includes a getter. The getter of the present disclosure is composed of magnesium oxide particles whose surface is modified by a first surface modification part made of an amino silane-based compound and a second surface modification part bonded to the first surface modification part and made of a compound including an acrylate group and a methacrylate group. Accordingly, an organic light emitting display device having high transparency and whose lifespan and durability are improved by minimizing the penetration of water and oxygen can be provided.
Owner:LG DISPLAY CO LTD +1

High-efficiency hydrogen purification device and method suitable for ultrahigh-temperature working condition

The invention discloses an efficient hydrogen purification device suitable for an ultra-high-temperature working condition. The efficient hydrogen purification device comprises a pressure-bearing shell; the Getter material bed layer is arranged in the pressure bearing shell; the heating system is used for heating the Getter material bed layer, and the heating system is configured to maintain the operation temperature of the Getter material bed layer at 600 DEG C + / -10 DEG C; the invention further discloses an efficient hydrogen purification method suitable for the ultrahigh-temperature working condition. According to the invention, high-efficiency purification of hydrogen under high-temperature and high-pressure conditions is realized, the impurity content is obviously reduced, the service life of the device is prolonged, and reliable technical support is provided for industrial hydrogen purification.
Owner:湖北玖恩智能科技有限公司

Waste gas collecting device for feed processing

The utility model relates to the technical field of feed processing, in particular to a waste gas collecting device for feed processing, which comprises a device base, high-tightness mechanisms are arranged on the inner walls of a main air pipe and a getter pump, and convenient-to-clean mechanisms are arranged on the surface of a first filter screen and the inner wall of an air inlet pipe. And a centralized collecting mechanism is arranged on the surface of the collecting frame and the inner wall of the collecting box. According to the waste gas collecting device, the phenomenon of waste gas leakage in the using process of the waste gas collecting device is avoided, and the phenomenon that the waste gas collecting device cannot be continuously used due to surface blockage of the first filter screen in the using process of the waste gas collecting device is avoided; in addition, when the waste gas collecting device is used, powder can be collected together in a centralized mode, the phenomenon that the surface of the main air pipe is blocked in the using process of the waste gas collecting device is reduced, and the product recovery rate is increased.
Owner:XIAMEN JIESHENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Semiconductor-on-insulator substrate (SOI substrate) and method for its formation

ActiveDE102020120509B4Soi substrateSemiconductor
Semiconductor-on-insulator substrate, SOI substrate, comprising: a handling substrate (104); a device layer (108) that lies above the handling substrate (104); and an insulating layer (106) separating the handling substrate (104) from the device layer (108), wherein the insulating layer (106) meets the device layer (108) at a first interface and meets the handling substrate (104) at a second interface, wherein the insulating layer (106) has a getter material with a getter concentration profile, the getter concentration profile having a first peak concentration at the first interface, a second peak concentration at the second interface and a trough concentration at a location between the first interface and the second interface, wherein the trough concentration is smaller than each of the first peak concentration and the second peak concentration, the getter material contains fluorine.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Electric field sensor field enhancement cover plate and preparation method thereof

The invention discloses an electric field sensor field enhancement cover plate and a preparation method thereof, and belongs to the technical field of micro electro mechanical system manufacturing. The method comprises the following steps: etching a groove on the silicon surface of a silicon wafer or an insulator to form a reinforcing structure; preparing a flat to-be-bonded surface through a bonding and thinning process; performing laser cutting on the glass sheet to form a reserved hole; and bonding the glass sheet and the bonding surface to form the cover plate. Optional steps include sputtering a getter and a metal bonding layer. The bonding process is used for replacing traditional glass backflow, two photoetching steps are omitted, the problems that glass filling is uneven and the surface is uneven are solved, the technological process is remarkably simplified, and the yield is improved. The method is suitable for wafer-level electric field sensor packaging, and the sensitivity and reliability are improved.
Owner:AEROSPACE INFORMATION RES INST CAS

Metal getter for impurity removal in vaporizer

The present disclosure provides metal getters in vaporizers and related systems and methods. A vaporizer includes a container having an outlet. The vessel is configured to discharge a metal halide vapor through the outlet. The vaporizer includes a metal getter positioned within the vessel between an inlet and an outlet. When an oxygen-containing species is present within the vessel, the impurity content of the metal halide vapor discharged from the vessel is less than the impurity content of the precursor vapor discharged from a vessel without the metal getter.
Owner:ENTEGRIS INC

Method and system for predicting residual life of laser gyroscope

The invention discloses a residual life prediction method and system for a laser gyroscope, and belongs to the technical field of laser gyroscope detection. The method comprises the following steps: calculating a first degradation rate of a resonant cavity and a second degradation rate of a cathode by collecting discharge data of a laser gyroscope, updating the first degradation rate and the second degradation rate according to a lock region width and a beat frequency signal-to-noise ratio, and meanwhile, collecting a film image of a getter to calculate a third degradation rate of the getter. Generating a relation matrix based on the first degradation rate, the second degradation rate and the third degradation rate, fitting a degradation model according to the relation matrix, and predicting the residual life of the laser gyroscope based on the degradation model. According to the method, the laser gyroscope products with the residual life not reaching the standard can be effectively screened out, so that the application reliability of the laser gyroscope in the fields of aviation, spaceflight and the like is improved.
Owner:JIANGXI CHIYU OPTOELECTRONICS TECH DEV CO LTD

Method and system for detecting weak signals and harmonic waves based on stochastic resonance of compression enhancement

The invention discloses a method and a system for detecting weak signals and harmonic waves based on stochastic resonance of compression enhancement. The system comprises a vacuum system, an imprisoned field, a laser system, a fluorescence acquisition system and an external signal, the vacuum system comprises a vacuum cavity, an ion pump and a getter pump, and a calcium atom furnace and a surface electrode ion trap for trapping calcium ions are placed in the vacuum cavity; the trapping field comprises a radio frequency trapping field and a direct current trapping field, and the radio frequency trapping field is composed of a radio frequency signal source, a power amplifier and a spiral resonant cavity; the direct-current trapping field comprises a direct-current high-voltage power supply, a 6733 board card and an amplification chip. The fluorescence acquisition system comprises an imaging mirror, a CCD (Charge Coupled Device) camera and a photomultiplier; the external signal comprises a driving signal, a compression signal and a to-be-tested signal. According to the method, the compressed signal is used for replacing external random noise, ions are triggered to generate periodic phase change along with the to-be-detected signal, the to-be-detected signal is optimally matched with the bistable system by changing the strength of the compressed signal, and the signal-to-noise ratio and harmonic detection are improved to the maximum extent.
Owner:SOUTH CHINA UNIV OF TECH

Method of manufacturing a device for detecting electromagnetic radiation comprising a getter material

The invention relates to a method for manufacturing a detection device comprising at least one thermal detector (20) covered by a mineral sacrificial layer (14, 15), at least one getter portion (13) covered by a carbonaceous sacrificial layer (17), and a thin encapsulation layer (31) surrounding the thermal detector and the getter portion. The manufacturing method comprises a step of creating a via (16) extending through the mineral sacrificial layer (14, 15) and opening onto the substrate (10), and a step of depositing a carbonaceous sacrificial layer (17) so as to cover the getter portion (13) located in the via (16) and to completely fill the via (16).
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Ultralow-temperature vacuum system of Tokamak or star imitator adaptive to nuclear fusion

The invention discloses an ultra-low temperature vacuum system of a Tokamak or star imitator adaptive to nuclear fusion, and relates to the technical field of nuclear fusion equipment, the ultra-low temperature vacuum system comprises a vacuum chamber, a plasma state sensor is embedded in the inner wall of the vacuum chamber, the outer end of the vacuum chamber is provided with a sealing interface, the outer end of the sealing interface is provided with a primary filter, and the primary filter is provided with a secondary filter. A getter bin is installed at the outer end of the primary filter, an auxiliary pump is installed at the outer end of the getter bin, a stop valve is installed at the outer end of the auxiliary pump, a cold trap is installed at the outer end of the stop valve, the side wall of the cold trap is connected with a refrigerating machine through a pipeline, and a main pump is installed at the outer end of the cold trap. By arranging a series of structures, the pain point of decoupling of a traditional system and plasma operation is thoroughly solved, all the components cooperate to guarantee the ultrahigh vacuum environment, interference of impurity gas on plasma constraint is greatly reduced, and the stability and success rate of a nuclear fusion experiment are remarkably improved.
Owner:ANHUI HANYI MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD

Method of additive manufacturing

A method of additive manufacturing an article from a feed material in a chamber includes evacuating at least some of a first gas from the chamber, thereby reducing a pressure therein from a first pressure to a second pressure and reducing the first gas from a first concentration to a second concentration. At least some of the first gas is then gettered from the chamber using a getter, thereby lowering the first gas concentration to a third concentration. The article is then additive manufactured from the feed material in the chamber using the getter as a substrate. The gettering comprises heating the getter at least in part using a fusion source, and the additive manufacturing comprises heating the feed material at least in part using the fusion source.
Owner:BAE SYSTEMS PLC

Non-evaporable getter element

PCT designated stageWO2026062364A1Molten spray coatingPump componentsMetallurgyGetter
Non-evaporable getter (NEG) element and NEG pump comprising a substrate, wherein the substrate is an electrical insulator, and an NEG material layer on the substrate, wherein the NEG material layer is applied to the substrate by thermal spray coating.
Owner:EDWARDS LTD

Multi-chamber plasma cleaning device

The utility model relates to the technical field of plasma cleaning machines, and discloses a multi-chamber plasma cleaning device which comprises a box body, two groups of sliding rails are fixedly connected in the box body, a mounting seat is connected outside the sliding rails in a sliding mode, a dismounting mechanism is arranged in the mounting seat, and the dismounting mechanism is connected with the box body in a sliding mode. The interior of the box body is fixedly connected with a plurality of plasma generators, the exterior of the box body is rotatably connected with a box door, the dismounting mechanism comprises a mounting groove, the mounting groove is formed in the mounting base, the interior of the mounting groove is fixedly connected with a spring, and the end, away from the mounting groove, of the spring is fixedly connected with a sliding plate; and the exterior of the sliding plate is slidably connected to the interior of the mounting groove. According to the device, the cleaning cavity can be conveniently taken out for maintenance through the dismounting mechanism, meanwhile, the getter pump and the treatment box are used for ensuring that waste gas reaches the standard to be discharged, and the maintenance convenience and the environmental protection performance of equipment are effectively improved.
Owner:ANHUI SANSHENG VACUUM TECH CO LTD

A method and system for predicting the residual life of a laser gyroscope

This invention discloses a method and system for predicting the remaining lifetime of a laser gyroscope, belonging to the field of laser gyroscope testing technology. The method calculates the first degradation rate of the resonant cavity and the second degradation rate of the cathode by collecting discharge data from the laser gyroscope. Then, it updates the first and second degradation rates based on the lock-in width and beat frequency signal-to-noise ratio. Simultaneously, it collects thin-film images of the getter to calculate the third degradation rate of the getter. A relationship matrix is ​​generated based on the first, second, and third degradation rates. A degradation model is fitted based on the relationship matrix, and the remaining lifetime of the laser gyroscope is predicted based on the degradation model. This invention can effectively screen out laser gyroscope products with substandard remaining lifetime, thereby improving the reliability of laser gyroscopes in applications such as aviation and aerospace.
Owner:JIANGXI CHIYU OPTOELECTRONICS TECH DEV CO LTD

Ultraviolet cathodluminescent systems and methods

PendingUS20260059622A1Electric lighting sourcesIncadescent envelopes/vesselsEpoxyThermionic emission
The invention provides cathodoluminescent lamps with improved optical stability and extended lifetimes through advanced enclosure and electron emission configurations. A filament emits electrons via thermionic emission, which are accelerated by an anode toward a cathodoluminescent emitter to produce photons. The vacuum enclosure comprises glass, fused silica, and metal portions coupled with vacuum-compatible epoxy, with the metal providing thermal and electrical conduction. The lamp can include anode current monitoring and filament power control to stabilize emission. An electrically activated getter maintains vacuum conditions by chemically bonding contaminants and can be refreshed over time. The designs enable effective vacuum maintenance, stable operation, and long-term reliability suitable for commercial applications.
Owner:NS NANOTECH INC

A method for internal pressure creep test of molybdenum alloy ultra-high temperature heat pipe

PendingCN122385365AAlloyPumping vacuum
The present disclosure provides a kind of molybdenum alloy super high temperature heat pipe internal pressure creep test method, comprising the following steps: molybdenum alloy internal pressure creep sample and active metal getter material are placed in inner layer quartz glass tube;The inner layer quartz glass tube is evacuated and is fused and sealed, and the inner layer vacuum assembly is formed;The inner layer vacuum assembly is placed in the outer layer quartz glass tube arranged concentrically;The outer layer quartz glass tube is evacuated and is fused and sealed, to form vacuum layer between the inner layer vacuum assembly and the outer layer quartz glass tube, to obtain multilayer vacuum protection device;The multilayer vacuum protection device is placed in high temperature furnace and heated to predetermined temperature for creep test.
Owner:XI AN JIAOTONG UNIV

Infrared focal plane array MEMS chip and preparation method thereof

The invention discloses an infrared focal plane array MEMS chip and a preparation method thereof. The chip comprises a readout circuit wafer, a getter module arranged on the readout circuit wafer and a suspended pixel structure located above the getter module. The preparation method comprises the following main steps: after a medium structure with a gap ring and a top micropore is formed, melting and leveling a low-melting-point material at a high temperature, depositing a getter body through the micropore, then sealing the getter body, and finally synchronously forming a suspended pixel structure and a suspended getter structure through a release process. The getter module is integrated below the pixel, the chip is sealed and protected in the whole chip manufacturing process, the low-melting-point material can be leveled, exposed and activated through heating after packaging, the packaging vacuum degree and reliability are remarkably improved, and meanwhile device miniaturization is facilitated.
Owner:SUZHOU ZERO PERCEPTION TECH CO LTD

A heat dissipation device of a hemispherical resonator gyro

The application relates to the technical field of hemispherical resonator gyroscopes, in particular to a heat dissipation device of a hemispherical resonator gyroscope, which comprises a hemispherical resonator and a getter arranged in a sealed shell, the sealed shell comprises a first cylinder section and a second cylinder section, the first cylinder section and the second cylinder section are sealingly connected through a folding heat dissipation plate, a thermal actuator and a heat conduction rod are further arranged in the second cylinder section, the thermal actuator is connected with the getter heated by electricity through the heat conduction rod, the thermal actuator comprises a driving end and a positioning end, a positioning plate is arranged on the connecting end of the first cylinder section and the folding heat dissipation plate, and the end of the positioning end is fixedly connected with the positioning plate. The first cylinder section and the second cylinder section of the application are away from each other, the folding heat dissipation plate is unfolded, the heat dissipation surface area is greatly increased, heat dissipation is strengthened, and the hemispherical resonator is far away from the getter, the whole process is driven and controlled by the heat generated by the getter itself.
Owner:SICHUAN TURIN TECH CO LTD

Air extractor for preventing fluorine from escaping

The utility model discloses an air extractor for preventing fluorine from escaping, which comprises a support frame, a bottom plate, a cover plate and a falling curtain, the support frame is vertically arranged above an exhaust port of a machine table, and the cover plate and the bottom plate are respectively arranged on the upper surface and the lower surface of the support frame; a first opening used for being detachably connected with the exhaust port is formed in the middle of the bottom plate, a second opening used for being detachably connected with one end of an exhaust pipeline is formed in the middle of the cover plate, and the other end of the exhaust pipeline is detachably connected with a tail gas inlet of a factory affair end. One end of the curtain is arranged at the edge of the upper surface of the support frame, and the other end extends downwards along the edge of the upper surface of the support frame. The exhaust device is connected with the exhaust port of the machine table, the side surface of the exhaust device is provided with the inner and outer vertical curtains with the counter weights, and the tail end of the exhaust device is connected with a factory service end, so that after the scheme is implemented, the exhaust capability of the exhaust device on the dissipation of fluorine ions in the reaction cavity is greatly improved, the dissipation amount of the fluorine ions in the environment is favorably reduced, and the adverse effects of the fluorine ions on the environment and products are reduced.
Owner:HEJIAN TECH SUZHOU

Integrated micro Dewar assembly for infrared detector and infrared detector

The invention provides an integrated micro Dewar assembly for an infrared detector and the infrared detector, and relates to the technical field of infrared detectors, and the micro Dewar assembly comprises a lead ring flange which comprises a flange plate used for being fixedly connected and electrically communicated with a micro Dewar shell, the flange plate is provided with an insulator pin used for being connected with a getter and a connector used for leading out electrical signals. A getter assembly is assembled on the flange plate, the getter assembly comprises a getter, a first electrode of the getter is welded with the insulator pin, and a second electrode of the getter is electrically connected with the flange plate. The infrared detector comprises the micro Dewar assembly. According to the invention, miniaturization and light weight of the micro Dewar structure and the infrared detector are realized.
Owner:11TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP

Charged particle beam device and electron gun

A charged particle wire device is characterized by comprising: a charged particle source (202) consisting of a single crystal needle (204), a filament (205) connected to the single crystal needle, and an insulator (207) for holding the filament; a plurality of non-evaporating getter materials (201); an extraction electrode (203); and a housing (209) arranged around the axis of the electron wire emitted from the charged particle source; wherein a heater (212) for heating the plurality of non-evaporating getter materials is disposed at the extraction electrode, the plurality of non-evaporating getter materials are arranged side by side in the housing, the housing is connected to the extraction electrode, and an elastic member (250) is disposed between the non-evaporating getter materials and the housing, the elastic member (250) being configured to push the non-evaporating getter materials. This charged particle beam device comprises: a charged particle source 202 composed of a single crystal needle 204, a filament 205 connected to the single crystal needle, and an insulator 207 that holds the filament; a plurality of non-evaporation getter materials 201; a lead-out electrode 203; and a housing 209 disposed so as to surround the axis of an electron beam emitted by the charged particle source, the charged particle beam device being characterized in that a heater 212 for heating the plurality of non-evaporation getter materials is disposed in the lead-out electrode, the plurality of non-evaporation getter materials in the housing are disposed side by side, the housing is connected to the lead-out electrode, and elastic members 250 configured to press the non-evaporation getter materials are disposed between the non-evaporation getter materials and the housing.
Owner:HITACHI HIGH TECH CORP