28 results about "Selective transfer" patented technology

This invention provides an addressable transfer device and a addressable transfer method. The addressable transfer device includes: a transfer substrate; a driving substrate disposed on one side of the transfer substrate; a plurality of debonding light sources disposed at intervals on the side of the driving substrate away from the transfer substrate, the plurality of debonding light sources being electrically connected to the driving substrate, the driving substrate being used to illuminate or deactivate a target debonding light source among the plurality of debonding light sources; and a photo-debonding transfer head disposed on the driving substrate and covering the plurality of debonding light sources, the photo-debonding transfer head being used to adhere microelectronic components and, after being irradiated by the target debonding light source, release the corresponding microelectronic components to a target substrate. The addressable transfer device of this embodiment can achieve selective transfer of microelectronic components, improving transfer efficiency and transfer yield.

This invention provides a mass transfer method, a display device, and a method for manufacturing the same. The method involves bonding the light-emitting structure to a first temporary substrate, thereby encapsulating each LED chip with a sensing material. Then, the growth substrate is removed, and a second temporary substrate with sensing material on its surface is aligned and bonded to the side of the first temporary substrate closest to the LED chip. Next, the first temporary substrate is debonded and removed, and the sensing material is removed using a peeling process to expose the surface of each LED chip. This achieves chip flipping, allowing the selective transfer of the LED chips to the display panel, thus realizing the transfer of LED chips from the wafer to the display panel.

1. The name of the design product: automatic transfer switch controller. 2. The use of the design product: used for circuit control of automatic transfer switch, which can realize automatic transfer of normal power supply or standby power supply, and can also realize selective transfer between two power supplies according to the needs of the load. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view.

The application provides a selective transfer method of an LED chip, a light-emitting substrate and a display panel. The selective transfer method of the LED chip comprises the following steps: arranging a plurality of first electrode layers on a first transparent substrate; arranging a barrier wall on each first electrode layer to form a containing groove; adding liquid crystals with different threshold voltages into each containing groove; arranging a second electrode layer on a second transparent substrate; assembling the first transparent substrate and the second transparent substrate together to form a temporary substrate; coating a photolysis adhesive layer on one side of the temporary substrate; bonding an LED chip on the photolysis adhesive layer and arranging the LED chip to correspond to the first electrode layer; providing a transfer member connected with the LED chip; and using a laser to irradiate the temporary substrate from the side of the temporary substrate away from the photolysis adhesive layer, and transferring the LED chip separated from the photolysis adhesive layer to a driving backplane through the transfer member. The application can be realized by using common laser equipment, the equipment has high maturity, and the purchase cost of the equipment is lower.

The invention provides a pulse laser-assisted nondestructive transfer method for a fine structure of a flexible substrate. The method comprises the following steps: firstly, preparing the fine structure to be transferred on a hard substrate; then, the binding force between the to-be-transferred structure and the flexible substrate is adjusted through interface modification; then irradiating the hard substrate-to-be-transferred fine structure interface by using pulse laser subjected to spatial light field shaping, and mildly weakening the binding force between the to-be-transferred structure and the hard substrate under the condition that the to-be-transferred structure is not damaged by ablation or decomposition; and finally, the flexible film is uncovered, and the to-be-transferred structure in the irradiated area is transferred to the flexible film without damage. According to the method, a complex technological process in a wet transfer method and a sacrificial layer transfer method is avoided, no obvious thermal, mechanical or chemical damage is caused to the structure, the structures such as a multi-layer composite film and an ultrathin film with a large width-to-thickness ratio can be selectively transferred to a flexible film in one step with high technological flexibility, and the transfer efficiency and the material adaptability are effectively improved.

What is disclosed is a method of selectively transferring micro devices from a donor substrate to contact pads on a receiver substrate. Micro devices being attached to a donor substrate with a donor force. The donor substrate and receiver substrate are aligned and brought together so that selected micro devices meet corresponding contact pads. A receiver force is generated to hold selected micro devices to the contact pads on the receiver substrate. The donor force is weakened and the substrates are moved apart leaving selected micro devices on the receiver substrate. Several methods of generating the receiver force are disclosed, including adhesive, mechanical and electrostatic techniques.

The invention discloses a preparation method of chiral aryloxy substituted chiral diol, which comprises the following step: in the presence of a chiral catalyst and a transfer hydrogenation reagent, carrying out selective transfer hydrogenation reaction on aryloxy substituted asymmetric diketone to generate the chiral aryloxy substituted chiral diol. According to the method provided by the invention, the raw materials and the catalyst are cheap and easy to obtain, the reaction condition is mild, the operation is simple, and the reaction is efficient; through asymmetric transfer hydrogenation of aryloxy-substituted asymmetric diketone, the chiral aryloxy-substituted chiral diol core skeleton is prepared with high selectivity, the synthesis route is direct, and the atom economy is high.

The invention discloses automatic feeding and discharging equipment for an inductance paint spraying room, which belongs to the technical field of wood board paint spraying and comprises a main conveying belt, a first paint spraying line, a second paint spraying line and a return belt. The first paint spraying line communicates with the main conveying belt through a first transfer table, and the second paint spraying line communicates with the main conveying belt through a first transfer table. And a second transfer table is arranged between the second paint spraying line and the first paint spraying line. The return belt is located between the second transfer table and the main conveying belt. Wood boards are conveyed among different working procedures through the main conveying belt, the first transfer table conveys the wood boards from the main conveying belt to the first paint spraying line or conveys the wood boards back to the main conveying belt through the second paint spraying line, and the second transfer table is responsible for selective transfer between the first paint spraying line and the second paint spraying line and can be communicated with the return belt. And when serious defects of the painted wood board are detected, the painted wood board directly returns to the workbench to be treated, and invalid spraying does not need to be continuously carried out.

The invention discloses an M-POPs catalyst and a preparation method and application of the M-POPs catalyst in catalyzing alpha, beta-unsaturated aldehydes to generate unsaturated alcohols, and the preparation method of the M-POPs catalyst comprises the following steps: adding a porous organic polymer monomer, a metal carbonyl complex and a solvent into a reaction kettle, heating to 120-180 DEG C, and reacting for 4-12 hours; filtering to obtain filter residues, washing and drying to obtain the M-POPs catalyst. The M-POPs catalyst disclosed by the invention is easy to prepare, low in price and easy to recycle; the catalyst has good alpha, beta-unsaturated aldehyde selective transfer hydrogenation catalytic activity and stability; the method is mild in preparation condition, low in equipment requirement and suitable for industrial production. The M-POPs catalyst disclosed by the invention is mild in catalysis condition, green, efficient, simple to operate, low in cost and suitable for industrial production.

A depalletizing system for removing frozen blocks of goods stacked in layers on a pallet comprises a receiving surface, a detaching unit configured to detach a top layer of frozen blocks from an underlying layer, and a transport unit configured to push all or part of the detached top layer across the underlying layer and onto the receiving surface. The transport unit includes a first row of individual carrier arms, each being independently movable between a lifted and a lowered configuration. A control unit is configured to instruct each carrier arm to assume a specific configuration.

This invention proposes a three-stage linkage deployment and transfer device and method for a rover, belonging to the field of rover transfer technology. It solves the problems of existing rover transfer mechanisms being unable to reliably transfer the rover to the lunar surface under various operating conditions, lacking selective transfer capabilities, and failing to effectively separate the rover from the lander. It includes a release rope, a deployment rope, a first motor, a second motor, and a linkage assembly. The linkage assembly includes a first linkage rod, a second linkage rod, and a third linkage rod. The top end of the first linkage rod is installed at the lower end of the lander, and the tail end of the first linkage rod is connected to the top end of the second linkage rod. The tail end of the second linkage rod is connected to the top end of the third linkage rod. One end of the deployment rope is connected to motor M2, and the other end of the deployment rope is installed at the connection between the first and second linkage rods. One end of the release rope is connected to motor M1. It is mainly used for rover transfer.

Lock device for an electronic locking system, the lock device comprising an input member arranged to rotate about an input rotational axis; an output member arranged to rotate about an output rotational axis; an energy harvesting arrangement configured to generate electric energy from rotation of the input member in a first direction about the input rotational axis; and a selective transfer device movable between a locking state, in which the output member cannot be rotated about the output rotational axis by means of rotation of the input member about the input rotational axis, and an unlocking state, in which the output member can be rotated about the output rotational axis by means of rotation of the input member in the first direction about the input rotational axis; wherein the transfer device is powered by the energy harvesting arrangement. An electronic locking system and a method are also provided.

Boehmite catalyst rich in FLPs for olefinic aldehyde selective transfer hydrogenation, mild preparation method and application thereof belong to the field of nano-catalysis and are an AlOOH catalyst with FLPs.Step 1, ammonia solution is added into an aqueous solution of aluminum nitrate to obtain a mixed solution; step 2, urea and cetyltrimethylammonium bromide are added into the mixed solution, and the solution is stirred until a sol is formed; the sol is subjected to hydrothermal reaction at 80-120 DEG C to obtain a white powder; step 3, the white powder is calcined in air at 550-850 DEG C to obtain an aluminum oxide solid; step 4, the aluminum oxide solid is stirred in cyclohexane, deionized water is added dropwise, and the liquid is evaporated after being heated to obtain a boehmite catalyst. The catalyst is applied to realize selective hydrogenation of alpha, beta-unsaturated to generate unsaturated alcohol. The catalyst has the advantages of high catalytic activity, conversion rate > 95%, selectivity > 90%, simple preparation process, mild conditions and high stability.

Systems, apparatuses, and methods related to deep learning accelerators and memory are described. For example, a wearable electronic device can be configured to execute instructions having matrix operands and configured with: a housing to be worn on a person; a sensor having one or more sensor elements to generate measurements associated with the person; a random access memory to store instructions executable by the deep learning accelerator and to store matrices of an artificial neural network; a transceiver; and a controller to monitor an output of the artificial neural network generated using the measurements as input to the artificial neural network. Based on the output, the controller can control selective storage of measurement data from the sensor and / or selective transfer of data from the wearable electronic device to a separate computer system.

A container for selective transport of samples of biological material or of biological origin suitable for containing at least a fluid or liquid and / or for containing at least a portion of a collecting device, the container having a selective passage portion configured to prevent exit of a fluid or liquid from the container, through the passage portion, at least in at least an operating sealed condition defined at least by a rest state of the container or by a first value of mechanical shaking of the container and / or by a first value of relative centrifugal force to which the container is subjected, and configured selectively to enable exit of the fluid or liquid from the container, across the passage portion, at least in an operating passage condition, defined at least by a corresponding second state of mechanical shaking of the container and / or wherein the container is subjected to a corresponding second relative centrifugal force.

This invention discloses a magnetically assembled microdevice transfer assembly structure and method. The magnetically assembled microdevice transfer assembly structure includes: a temporary transfer microdevice with micro / nano scale, comprising the microdevice and a magnetic connection layer, the magnetic connection layer being detachably fixed to the microdevice; and a magnetic platform, comprising a magnetic generating layer and a patterned soft magnetic material layer sequentially arranged along a first direction. The magnetic generating layer is at least used to provide an adjustable magnetic field, and the magnetic generating layer and the magnetic connection layer located within the magnetic field are magnetically attracted. The patterned soft magnetic material layer is at least used to guide magnetic field lines in the magnetic field, thereby enabling the temporary transfer microdevice with micro / nano scale to be magnetically attracted and fixed to the magnetic platform, or enabling the temporary transfer microdevice with micro / nano scale to detach from the magnetic platform. This invention enables selective transfer of RGB three-color modules and subsequent yield testing and repair work by selectively adsorbing or retracting microdevices via magnetic attraction.

The invention discloses a regulation and control method for catalyzing transfer hydrogenation and etherification of biomass-based aldehydes, which comprises the following steps: synthesizing a mesoporous molecular sieve carrier by a hydrothermal method, preparing a catalyst loading 5-20wt% of Zr by an equivalent-volume impregnation method, and regulating selective transfer hydrogenation and etherification of a biomass-based aldehyde compound in an alcohol solvent by controlling temperature programming, calcining and activating of the catalyst. And selective distribution of hydrogenation products and etherification products is realized. Taking furfural and cinnamyl aldehyde as examples, under the condition of reaction for 2-12 hours at 100-180 DEG C in an alcohol solvent, an unactivated catalyst can catalyze complete conversion of a substrate, and the selectivity of hydrogenated products furfuryl alcohol and cinnamyl alcohol can reach 94% and 85%; after the temperature of the catalyst is raised to 100-500 DEG C for activation, the main product is changed from alcohol to ether, and the selectivity of furfuryl ether and cinnamyl ether of etherification products can reach 65% and 60%; the selectivity of hydrogenation and etherification reactions can be further improved by regulating and controlling reaction conditions.

The invention discloses a chip transfer method, a transient substrate and a display panel, and the method comprises the steps: enabling a growth substrate to be oppositely attached to the transient substrate, and enabling chips which are arranged on the growth substrate in an array manner and pyrolysis glue blocks which are arranged on the transient substrate in an array manner to be fixed in a one-to-one manner; connecting the transfer substrate with the chips arranged in the array from one side far away from the transient substrate; heating and completely unsticking one of the pyrolysis glue groups on the transient substrate, so that the chip corresponding to the pyrolysis glue group is separated from the transient substrate and is transferred to the transfer substrate; transferring the chip on the transfer substrate to a driving backboard; and returning to the connecting step, circularly executing the connecting step, the unsticking step and the transferring step for n times, and completing the transferring of the chips corresponding to the n pyrolysis glue groups so as to transfer all the chips to the driving backboard in batches. By means of the mode, selective transfer of the chips is achieved, and meanwhile the release cost of the chips at the specific positions is saved.

The invention discloses a non-reciprocal light field regulation and control device and method based on non-linear spatial filtering, the device adopts a sandwich type integrated structure, and the core comprises a non-linear medium, and a first linear modulation module and a second linear modulation module which are integrated through femtosecond laser direct writing on the two sides of the non-linear medium; a strict collinear phase matching condition in a nonlinear frequency conversion process is used as a natural spatial domain filter. When light is transmitted in the forward direction, high-frequency space phase information introduced by the first module is physically filtered out in nonlinear conversion due to non-collinear phase mismatch, and an output end only presents modulation information of the second module; and reverse transmission is opposite. Through anisotropic selective transfer of a spatial frequency spectrum, the dependence of a traditional nonreciprocal device on a magneto-optical material is overcome, high-fidelity and one-way controlled transmission of complex spatial wavefront is realized, and the device has important application value in the fields of integrated photonics, optical information encryption and the like.

The application discloses a chip transfer method, a temporary substrate and a display panel. The chip transfer method comprises the following steps: a growth substrate is attached to a temporary substrate, so that the chips arranged in an array on the growth substrate are fixed to the pyrolytic glue blocks arranged in an array on the temporary substrate one by one; a transfer substrate is connected to the chips arranged in an array from a side away from the temporary substrate; one of the pyrolytic glue groups on the temporary substrate is heated and completely debonded, so that the chips corresponding to the pyrolytic glue group are separated from the temporary substrate and transferred to the transfer substrate; the chips on the transfer substrate are transferred to a driving backboard; the connecting step, the debonding step and the transferring step are cyclically executed n times, the transfer of the chips corresponding to the n pyrolytic glue groups is completed, and all the chips are transferred to the driving backboard in batches. Through the above method, the selective transfer of the chips is realized, and the release cost of the chips in specific positions is saved.

The present application relates to a kind of chip transfer device, method and display panel.The chip transfer device includes sample stage, for placing chip carrier plate;Transfer film is arranged in one side of sample stage, and the side close to sample stage of transfer film includes adhesive layer, and the adhesive layer is used to adhere chip;Transfer film has elasticity, can be deformed to contact chip carrier plate under external force and restore shape after the disappearance of external force;Transfer head is set up opposite sample stage, and transfer head includes first displacement module, and first displacement module is used to control transfer head to move to the direction close to or away from sample stage;Transfer head is used to exert external force to the partial area of transfer film, to make the partial area of transfer film deform to the direction close to sample stage.Effective selective transfer can be realized.

Method for transferring selected microdevices (102, 102a, 102b, 102c) in an array of microdevices (102, 102a, 102b, 102c), each of which is bonded to a donor substrate (100) by a donor force, the method comprising: Aligning the donor substrate (100) and a receiver substrate (200) such that each of the selected microdevices (102, 102a, 102b, 102c) is located on the receiver substrate (200) in alignment with a contact pad (206a, 206b, 206c); Moving the donor substrate (100) and the receiver substrate (200) towards each other until each of the selected microdevices (102, 102a, 102b, 102c) is in contact with or near a respective contact pad (206a, 206b, 206c) on the receiver substrate (200); Generating a receiver force by means of force modulation elements (204a, 204b, 204c), wherein the receiver force acts such that it holds each of the selected microdevices (102, 102a, 102b, 102c) to its respective contact pads (206a, 206b, 206c), wherein each of the selected microdevices (102, 102a, 102b, 102c) corresponds to one of the force modulation elements (204a, 204b, 204c), and wherein the receiver force is generated selectively to improve selectivity of the microdevice transfer, wherein the receiver force is modulated by heating the receiver substrate (200) by passing a current through the contact pads (206a, 206b, 206c); and Moving the donor substrate (100) and the receiver substrate (200) away from each other, leaving the selected microdevices (102, 102a, 102b, 102c) on the receiver substrate (200). wherein the force modulation elements (204a , 204b , 204c) are on the receiver substrate (200) and in direct contact with the contact pads (206a , 206b, 206c).

The present application provides an LED chip structure capable of implementing direct transfer, a mass transfer method, and a display device and a manufacturing method therefor. The LED chip structure capable of implementing direct transfer comprises: a substrate and LED chiplets adhered to the substrate by means of an induction layer, wherein the LED chiplets are arranged at intervals, and at least one electrode of each LED chiplet is arranged on the surface of the side of the LED chiplet facing away from the substrate, so that the electrode faces outwards. On the basis of the structure, in an LED chip, outward electrodes of LED chiplets can be selectively aligned with and bonded to a display panel by means of the mass transfer method, i.e., the LED chiplets can be selectively transferred to the display panel, thereby transferring LED chiplets to the display panel from a wafer to form the display panel having pixels, and facilitating production.

The invention relates to the technical field of quantum precision measurement, in particular to a super-cold atomic wave function density measurement method, device and system and a storage medium. According to the method, a dark-state selective transfer mechanism of three-energy-level atoms is utilized, two groups of spatial modulation lattice light with the same frequency and adjustable phases are precisely designed, sub-wavelength detection of super-cold atomic wave function density distribution is achieved, and compared with a super-cold atomic wave function density imaging technology in the prior art, the method has the advantages that the sub-wavelength detection efficiency is improved. The requirements of spatial resolution and high signal-to-noise ratio are considered at the same time, and the wave function density measurement and imaging precision is effectively improved.

A system for the virtual commissioning of a building management system includes one or more devices configured to store commands which, when executed by one or more processors, cause the one or more processors to: receive product installation data from a building management system controller installed on a construction site on a virtual server via a first connection, the product installation data corresponding to a product installation on the construction site; receive commissioning data from the remote commissioning system via a second connection; configure one or more products installed on the construction site to be controlled by the virtual building management system on the virtual server;and selective transfer of control of one or more products installed on the construction site from the virtual building management system hosted on the virtual server to the building management system control unit installed on the construction site.

A method and apparatus for transferring components. A first substrate is provided with the components. A second substrate is provided with an adhesive layer comprising a hot melt adhesive material. The components on the first substrate are contacted with the adhesive layer on the second substrate while the adhesive layer is melted. The adhesive layer is allowed to solidify to form an adhesive connection between the components and the second substrate. The first and second substrates are moved apart to transfer the components. At least a subset of the components is transferred from the second substrate to a third substrate by radiating light onto the adhesive layer to form a jet of melted material carrying the components.

The invention discloses a preparation method of chiral aryloxy substituted chiral alpha-hydroxy ketone, which comprises the following step: in the presence of a chiral catalyst and a transfer hydrogenation reagent, carrying out selective transfer hydrogenation reaction on aryloxy substituted asymmetric diketone to generate the chiral aryloxy substituted chiral alpha-hydroxy ketone. According to the method provided by the invention, the raw materials and the catalyst are cheap and easy to obtain, the reaction condition is mild, the operation is simple, and the reaction is efficient; through asymmetric transfer hydrogenation of aryloxy substituted asymmetric diketone, the chiral aryloxy substituted chiral alpha-hydroxy ketone core skeleton is prepared with high selectivity, the synthesis route is direct, and the atom economy is high.