H01L22/24

DISPLAY OPTIMIZATION TECHNIQUES FOR MICRO-LED DEVICES AND ARRAYS
20200402450 · 2020-12-24 · ·

Systems and methods to achieve desired color accuracy, power consumption, and gamma correction in an array of pixels of a micro-LED display. The method and system provides an array of pixels, wherein each pixel comprising a plurality of sub-pixels arranged in a matrix and a driving circuitry configured to provide an individual emission control signal to each sub-pixel of each pixel in the array of pixels to independently control a emission time and a duty cycle of each sub-pixel.

PRESSURE-ACTIVATED ELECTRICAL INTERCONNECTION WITH ADDITIVE REPAIR

A method of making a repaired electrical connection structure comprises providing a substrate having first and second contact pads electrically connected in parallel, providing first and second functionally identical components, disposing a first adhesive layer on the substrate, transferring the first component onto the first adhesive layer, electrically connecting the first component to the first contact pad, testing the first component to determine if the first component is a faulty component and, if the first component is a faulty component, disposing a second adhesive layer on the substrate and transferring the second component onto the second adhesive layer, and electrically connecting the second component to the second contact pad. The first and second adhesive layers can be unpatterned or patterned and the first and second components can be electrically connected to the first and second contact pads, respectively, with connection posts or photolithographically defined electrodes.

PRESSURE-ACTIVATED ELECTRICAL INTERCONNECTION WITH ADDITIVE REPAIR

A method of making a repaired electrical connection structure comprises providing a substrate having first and second contact pads electrically connected in parallel, providing first and second functionally identical components, disposing a first adhesive layer on the substrate, transferring the first component onto the first adhesive layer, electrically connecting the first component to the first contact pad, testing the first component to determine if the first component is a faulty component and, if the first component is a faulty component, disposing a second adhesive layer on the substrate and transferring the second component onto the second adhesive layer, and electrically connecting the second component to the second contact pad. The first and second adhesive layers can be unpatterned or patterned and the first and second components can be electrically connected to the first and second contact pads, respectively, with connection posts or photolithographically defined electrodes.

METHODS OF ENHANCING SURFACE TOPOGRAPHY ON A SUBSTRATE FOR INSPECTION
20200395220 · 2020-12-17 ·

Methods for enhancing a surface topography of a structure formed on a substrate are provided. In one example, the method includes performing a polishing process on a substrate having a shallow trench isolation structure and a diffusion region, performing a surface topography enhancing process to enlarge a defect in at least one of the shallow trench isolation structure and the diffusion region, inspecting at least one of the shallow trench isolation structure and the diffusion region to detect the enlarged defect, and adjusting a parameter of the polishing process in response to detecting the enlarged defect.

Method of feature exaction from time-series of spectra to control endpoint of process

Methods and systems for using a time-series of spectra to identify endpoint of an etch process. One method includes accessing a virtual carpet that is generated from a time-series of spectra for an etch process. A polynomial with coefficients represents the virtual carpet. The method includes processing a fabrication etch process on a fabrication wafer and generating a carpet defined from a time-series of spectra while processing the fabrication etch process. While the processing the fabrication etch process and generating the carpet, comparing portions of the carpet and the virtual carpet to identify an endpoint metric of the fabrication etch process.

Electronic device and method for manufacturing the same
10840407 · 2020-11-17 · ·

A method for manufacturing an electronic device comprises providing a substrate, applying a first bonding material on the substrate, bonding a plurality of light emitting units to the substrate through the first bonding material, identifying a defective light emitting unit from the plurality of light emitting units, removing the defective light emitting unit from a corresponding position on the substrate, applying a second bonding material, and bonding a repairing light emitting unit to the corresponding position through the second bonding material.

Semiconductor Device and Methods of Manufacturing
20200350218 · 2020-11-05 ·

A photoresist with a detection additive is utilized to help increase the contrast of images during an after development inspection process. The detection additive fluoresces during the after development inspection process and adds to the energy that is reflected during the after development inspection process, increasing the contrast during the after development inspection process and helping to identify defects that are not otherwise detectable.

In-Situ Metrology And Process Control
20200335369 · 2020-10-22 ·

Methods and apparatus for the in-situ measurement of metrology parameters are disclosed herein. Some embodiments of the disclosure further provide for the real-time adjustment of process parameters based on the measure metrology parameters. Some embodiments of the disclosure provide for a multi-stage processing chamber top plate with one or more sensors between process stations.

Wafer table with dynamic support pins

A method for semiconductor fabrication includes mounting a wafer onto a first wafer table. The first wafer table includes a first set of pins that support the wafer, the first set of pins having a first pitch between adjacent pins. The method further includes forming a first set of overlay marks on the wafer; and transferring the wafer onto a second wafer table. The second wafer table includes a second set of pins having a second pitch between adjacent pins. The second set of pins are individually and vertically movable, and the second pitch is smaller than the first pitch. The method further includes moving a portion of the second set of pins such that a remaining portion of the second set of pins supports the wafer and the remaining portion has the first pitch between adjacent pins.

Methods of defect inspection

Embodiments of the present disclosure relate to methods for defect inspection. After pattern features are formed in a structure layer, a dummy filling material having dissimilar optical properties from the structure layer is filled in the pattern features. The dissimilar optical properties between materials in the pattern features and the structure layer increase contrast in images captured by an inspection tool, thus increasing the defect capture rate.