15 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.

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.

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.

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 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 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.