H01L2221/68309

Pick-up device and pick-up method

A pick-up device 10 for picking up a semiconductor chip 100 attached to a front surface of a sheet material 110 is provided with: a stage 12 that includes a material a part or the entirety of which is capable of transmitting a destaticizing electromagnetic wave having an ionization effect and that attracts and holds a rear surface of the sheet material 110; a jacking-up pin 26 for jacking up the semiconductor chip 100 from the rear side of the stage 12; and a destaticizing mechanism 20 that destaticizes charge generated between the semiconductor chip 100 and the sheet material 110 by irradiating the rear surface of the semiconductor chip 100 with the destaticizing electromagnetic wave that is made to pass through the sheet material 110 from the rear side of the stage 12.

HETEROGENEOUS INTEGRATION OF COMPONENTS ONTO COMPACT DEVICES USING MOIRÉ BASED METROLOGY AND VACUUM BASED PICK-AND-PLACE

A method for assembling heterogeneous components. The assembly process includes using a vacuum based pickup mechanism in conjunction with sub-nm precise moiré alignment techniques resulting in highly accurate, parallel assembly of feedstocks.

Wafer Carrier and Method
20230093855 · 2023-03-30 ·

A wafer carrier includes a pocket sized and shaped to accommodate a wafer, the pocket having a base and a substantially circular perimeter, and a removable orientation marker, the removable orientation marker comprising an outer surface and an inner surface, the outer surface having an arcuate form sized and shaped to mate with the substantially circular perimeter of the pocket, and the inner surface comprising a flat face, wherein the removable orientation marker further comprises a notch at a first end of the flat face.

LIGHT-EMITTING DEVICE, MANUFACTURING METHOD THEREOF AND DISPLAY MODULE USING THE SAME
20230086456 · 2023-03-23 ·

The application discloses a light-emitting device including a carrier which includes an insulating layer, an upper conductive layer formed on the insulating layer, a plurality of conducting vias passing through the insulating layer, and a lower conductive layer formed under the insulating layer; four light-emitting elements arranged in rows and columns flipped on the carrier; and a light-passing unit formed on the carrier and covering the four light-emitting elements; wherein each of the light-emitting elements including a first light-emitting bare die emitting a first dominant wavelength, a second light-emitting bare die emitting a second dominant wavelength, and a third light-emitting bare die emitting a third dominant wavelength; and wherein two adjacent first light-emitting bare die in a row has a first distance W1, two adjacent first light-emitting bare die in a column has a second distance W2, and W1 is the same as W2.

METHOD FOR MANUFACTURING DISPLAY DEVICE, AND SUBSTRATE FOR MANUFACTURE OF DISPLAY DEVICE

Disclosed in the present specification are a substrate for transferring, with high reliability, a semiconductor light emitting element, and a method for manufacturing a display device by using same. Particularly, when a semiconductor light emitting element is self-assembled on an assembly substrate by using an electromagnetic field, an assembly groove in which a semiconductor light emitting element for alignment is assembled is formed in the assembly substrate. The semiconductor light emitting element for alignment, assembled in the assembly groove, is used for alignment in a step of being transferred to a final wiring substrate. Unlike conventional alignment keys, the semiconductor light emitting element for alignment reflects an alignment error of semiconductor light emitting elements that occurs during a transfer process after assembly. Therefore, when semiconductor light emitting elements are transferred to a wiring substrate on the basis of the semiconductor light emitting element for alignment, transfer accuracy can be improved.

METHOD FOR MASS TRANSFER, LED DISPLAY DEVICE, AND DISPLAY APPARATUS
20230073010 · 2023-03-09 ·

A method for mass transfer, a light-emitting diode (LED) display device, and a display apparatus are provided. The method includes: applying an insulating-adhesive on a growth substrate, where the insulating-adhesive applied is between two adjacent LED chips; placing the growth substrate above a display backplane, where a distance between the growth substrate and the display backplane after placing is greater than a height of an LED chip; forming an insulating-adhesive column between the growth substrate and the display backplane by softening the insulating-adhesive through heating, where the softened insulating-adhesive subjected to heating is adhered to the display backplane; separating the LED chip from the growth substrate, to make the separated LED chip fall onto a corresponding pad-group through a channel formed by insulating-adhesive columns around the separated LED chip; and bonding the fallen LED chip with the corresponding pad-group on the display backplane.

Fabrication of high-temperature superconducting striated tape combinations

This disclosure teaches methods for making high-temperature superconducting striated tape combinations and the product high-temperature superconducting striated tape combinations. This disclosure describes an efficient and scalable method for aligning and bonding two superimposed high-temperature superconducting (HTS) filamentary tapes to form a single integrated tape structure. This invention aligns a bottom and top HTS tape with a thin intervening insulator layer with microscopic precision, and electrically connects the two sets of tape filaments with each other. The insulating layer also reinforces adhesion of the top and bottom tapes, mitigating mechanical stress at the electrical connections. The ability of this method to precisely align separate tapes to form a single tape structure makes it compatible with a reel-to-reel production process.

Dividing apparatus including an imaging unit for detecting defects in a workplace
11476137 · 2022-10-18 · ·

A dividing apparatus includes a table having a transparent plate having a holding surface for holding a workpiece thereon and a lower illumination unit for illuminating the holding surface from below, a first storage section for storing a first image including a white portion where illumination light from the lower illumination unit is transmitted through the workpiece and displayed as white and a black portion where the illumination light is blocked by the workpiece and displayed as black when an image of a kerf defined by a dividing unit in the workpiece held on the holding surface is captured by an image capturing unit with the lower illumination unit being energized, and a white pixel detecting section for detecting whether or not there are pixels in the white portion of the first image in directions perpendicular to directions along which a street extends.

Substrate and display device

The present invention discloses a substrate configured to receive a plurality of micro elements on a carrier board. The substrate comprises a body, a first conductive bump, and a second conductive bump. The body has a first surface, a transfer area is defined within the first surface, and a central portion and a peripheral portion is defined within the transfer area. The first conductive bump, disposed on the central portion, has a first volume. The second conductive bump, disposed on the peripheral portion, has a second volume. Wherein the first volume is different from the second volume.

A SUBSTRATE FOR MANUFACTURING DISPLAY DEVICE AND A MANUFACTURING METHOD USING THE SAME
20230119947 · 2023-04-20 · ·

According to the present disclosure, a substrate for manufacturing a display device has a structure in which a semiconductor light-emitting device package composed of a plurality of electrodes and semiconductor light-emitting devices can be uniformly aligned. As a result, according to the present disclosure, a semiconductor light-emitting device package that has been transferred by a pick-and-place method in the related art may be allowed to be transferred through self-assembly, thereby having an effect of improving process efficiency (improving process speed and reducing time).