H01L21/67121

Underfill method for semiconductor package
11355360 · 2022-06-07 · ·

Disclosed are an underfill method and apparatus for a semiconductor package, the underfill method includes loading a substrate; charging a filler to be filled in between the substrate and a device; applying the filler to the substrate; and subjecting the applied filler to an electric field.

Bonding apparatus and bonding method

A bonding apparatus configured to bond a first substrate and a second substrate includes a first holder configured to hold the first substrate; a second holder configured to hold the second substrate; a first imaging device provided at the first holder and configured to image the second substrate held by the second holder; a first light irradiating device provided at the first holder and configured to irradiate light to the second substrate when the second substrate is imaged; a second imaging device provided at the second holder and configured to image the first substrate held by the first holder; and a second light irradiating device provided at the second holder and configured to irradiate light to the first substrate when the first substrate is imaged. Each of the first light irradiating device and the second light irradiating device is connected to a first light source configured to irradiate white light.

NOTCHED WAFER AND BONDING SUPPORT STRUCTURE TO IMPROVE WAFER STACKING

Various embodiments of the present disclosure are directed towards a processing tool. The processing tool includes a housing structure defining a chamber. A first plate is disposed in the chamber. A first plasma exclusion zone (PEZ) ring is disposed on the first plate. A second plate is disposed in the chamber and underlies the first plate. A second PEZ ring is disposed on the second plate. The second PEZ ring comprises a PEZ ring notch that extends inwardly from a circumferential edge of the second PEZ ring.

MACHINE LEARNING & INTEGRATED METROLOGY FOR RUN-TO-RUN OPTIMIZATION OF CHIP-TO-WAFER ALIGNMENT ACCURACY
20230274987 · 2023-08-31 ·

Methods, apparatuses and systems in an integrated bonding system for optimizing bonding alignment between dies and a substrates include bonding, using a bonder of the integrated bonding system, a first die to a first substrate using preset alignment settings, transferring, using a transfer arm/robot of the integrated bonding system, the bonded die-substrate combination to an on-board inspection tool of the integrated bonding system, inspecting, at the on-board inspection tool, an alignment of the bond between the die and the substrate of the bonded die-substrate combination to determine a misalignment measure representing a misalignment of the bond between the die and the substrate of the bonded die-substrate combination, determining from the misalignment measurement, using a machine learning process, a correction measurement to be communicated to the bonder, and bonding, in the bonder, a different die to a different substrate using the determined machine-learning based correction measurement.

PICK-AND-PLACE SYSTEM WITH A STABILIZER
20230307281 · 2023-09-28 ·

A pick-and-place system is provided. The pick-and-place system includes: a wafer holder configured to hold a bottom die; a gantry having a stabilizer extending downwardly; a primary drive mechanism connected to the gantry and configured to drive the gantry horizontally and vertically; a suction head configured to hold a top die; and a secondary drive mechanism located at the gantry and connected to the suction head and configured to drive the suction head horizontally and vertically to place the top die on the bottom die at a target position. The primary drive mechanism drives the gantry vertically until the stabilizer is in contact with the bottom die before the secondary drive mechanism drives the suction head.

Chip packaging apparatus and method thereof
11189507 · 2021-11-30 · ·

Disclosed is a chip packaging apparatus. The chip packaging apparatus comprises: at least one chip supplying device; at least one chip processing device configured to process a chip supplied by a corresponding chip supplying device; and at least one chip transferring device, wherein each chip transferring device has a plurality of bonding heads, and each of the bonding heads is used to transfer one chip processed by a corresponding chip processing device. Each chip processing device comprises at least two pick-up platforms, each of the pick-up platforms is configured such that multiple chips can be simultaneously provided thereon, and the plurality of bonding heads on a corresponding chip transferring device is configured to simultaneously pick up multiple chips from each pick-up platform in one operation. A method for packaging chips is also disclosed.

LASER ABLATION SYSTEM FOR PACKAGE FABRICATION

The present disclosure relates to systems and methods for fabricating semiconductor packages, and more particularly, for forming features in semiconductor packages by laser ablation. In one embodiment, the laser systems and methods described herein can be utilized to pattern a substrate to be utilized as a package frame for a semiconductor package having one or more interconnections formed therethrough and/or one or more semiconductor dies disposed therein. The laser systems described herein can produce tunable laser beams for forming features in a substrate or other package structure. Specifically, frequency, pulse width, pulse shape, and pulse energy of laser beams are tunable based on desired sizes of patterned features and on the material in which the patterned features are formed. The adjustability of the laser beams enables rapid and accurate formation of features in semiconductor substrates and packages with controlled depth and topography.

APPARATUS AND METHOD FOR SELF-ASSEMBLING SEMICONDUCTOR LIGHT-EMITTING DEVICE

Discussed is an apparatus for self-assembling semiconductor light-emitting devices, the apparatus including a fluid chamber to accommodate the semiconductor light-emitting devices, each semiconductor light-emitting device having a magnetic body; a magnet to apply a magnetic force to the semiconductor light-emitting devices while an assembly substrate is disposed at an assembly position of the self-assembly apparatus; a power supply to induce formation of an electric field on the assembly substrate to allow the semiconductor light-emitting devices to be seated at a preset positions on the assembly substrate in a process of moving the semiconductor light-emitting devices due to a change in a position of the magnet; and a fluid injector to shoot a fluid to some of the semiconductor light-emitting devices to allow the some of the semiconductor light-emitting devices seated on the assembly substrate to be separated from the assembly substrate.

System and method for mitigating overlay distortion patterns caused by a wafer bonding tool
11782411 · 2023-10-10 · ·

A system includes a wafer shape metrology sub-system configured to perform one or more shape measurements on post-bonding pairs of wafers. The system includes a controller communicatively coupled to the wafer shape metrology sub-system. The controller receives a set of measured distortion patterns. The controller applies a bonder control model to the measured distortion patterns to determine a set of overlay distortion signatures. The bonder control model is made up of a set of orthogonal wafer signatures that represent the achievable adjustments. The controller determines whether the set of overlay distortion signatures associated with the measured distortion patterns are outside tolerance limits provides one or more feedback adjustments to the bonder tool.

BONDING APPARATUS, BONDING SYSTEM, BONDING METHOD, AND RECORDING MEDIUM
20230326797 · 2023-10-12 ·

A bonding apparatus configured to bond substrates to each other includes a first holder, a second holder, a moving unit, a housing, a scale member and a read head. The first holder attracts and holds a first substrate from above. The second holder attracts and holds a second substrate from below. The moving unit moves a first one of the first holder and the second holder with respect to a second one thereof in a first horizontal direction and a second horizontal direction orthogonal to the first horizontal direction. The housing accommodates therein the first holder, the second holder, and the moving unit. The scale member is disposed within the housing and has gradations indicating positions in the first and the second horizontal directions. The read head is moved as one body with the first one, and reads the gradations to measure the position of the first one.