H01L2224/742

Plating system, a plating system control method, and a storage medium containing a program for causing a computer to execute the plating system control method

A plating system comprising a plating tank for applying plate processing to a substrate, a sensor configured to measure actual plating film thickness of the substrate, and a controller configured to control plating current supplied to the plating tank and plating time for the plate processing of the substrate within the plating tank. The controller is capable of setting target plating film thickness, plating current, and plating time as a plate processing recipe. At least one of the plating current and the plating time is automatically corrected so that the actual plating film thickness and the target plating film thickness become equal to each other, and the result is reflected in the plate processing for the subsequent substrate.

Methods and apparatuses for reflowing conductive elements of semiconductor devices
11081458 · 2021-08-03 · ·

Methods of reflowing electrically conductive elements on a wafer may involve directing a laser beam toward a region of a surface of a wafer supported on a film of a film frame to reflow at least one electrically conductive element on the surface of the wafer. In some embodiments, the wafer may be detached from a carrier substrate and be secured to the film frame before laser reflow. Apparatus for performing the methods, and methods of repairing previously reflowed conductive elements on a wafer are also disclosed.

Wafer-level package including under bump metal layer

A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

SEMICONDUCTOR DEVICES WITH FLEXIBLE CONNECTOR ARRAY
20210272908 · 2021-09-02 ·

Semiconductor devices having an array of flexible connectors configured to mitigate thermomechanical stresses, and associated systems and methods, are disclosed herein. In one embodiment, a semiconductor assembly includes a substrate coupled to an array of flexible connectors. Each flexible connector can be transformed between a resting configuration and a loaded configuration. Each flexible connector can include a conductive wire electrically coupled to the substrate and a support material at least partially surrounding the conductive wire. The conductive wire can have a first shape when the flexible connector is in the resting configuration and a second, different shape when the flexible connector is in the loaded configuration.

WAFER-LEVEL PACKAGE INCLUDING UNDER BUMP METAL LAYER

A semiconductor package includes a semiconductor chip comprising a first surface and a second surface, a redistribution layer on the first surface of the semiconductor chip, an under bump metal (UBM) layer on the redistribution layer, and a solder bump on the UBM layer, and the solder bump covers both outer side surfaces of the UBM layer.

APPARATUS AND METHOD OF MANUFACTURING SOLDER BUMP

An apparatus for forming a solder bump on a substrate including a supporter configured to support the substrate to be provided thereon, a housing surrounding the supporter, a cover defining a manufacturing space in combination with the housing and including an edge heating zone along a perimeter thereof, the manufacturing space surrounding the supporter, and an oxide remover supply nozzle configured to supply an oxide remover to the manufacturing space may be provided.

APPARATUS AND METHOD FOR COOLING SUBSTRATE
20210035828 · 2021-02-04 · ·

The inventive concept relates to a substrate cooling apparatus for cooling a substrate. The substrate cooling apparatus includes a chuck on which the substrate is placed and a cooling unit that cools the chuck. The cooling unit includes a heat dissipation plate that has the chuck placed on an upper surface thereof and that dissipates heat of the chuck.

HIERARCHICAL DENSITY UNIFORMIZATION FOR SEMICONDUCTOR FEATURE SURFACE PLANARIZATION

The current disclosure describes techniques for managing planarization of features formed on a semiconductor wafer. The disclosed techniques achieve relative planarization of micro bump structures formed on a wafer surface by adjusting the pattern density of the micro bumps formed within various regions on the wafer surface. The surface area size of a micro bump formed within a given wafer surface region may be enlarged or reduced to change the pattern density. A dummy micro bump may be inserted into a given wafer surface region to increase the pattern density.

Semiconductor fabrication apparatus and semiconductor fabrication method
10892240 · 2021-01-12 · ·

A semiconductor fabrication apparatus has a transfer plate having a plurality of transfer pins to transfer a flux onto a plurality of lands on a semiconductor substrate, a holder movable with the transfer plate, to hold the transfer plate, a positioning mechanism to perform positioning of the holder so that the plurality of lands and the respective transfer pins contact each other; and a pitch adjuster to adjust a pitch of at least part of the plurality of transfer pins.

Semiconductor vertical wire bonding structure and method

The present disclosure provides a semiconductor IC structure having vertical wire bonding and method of making it. The method includes two steps. First step: providing a semiconductor chip, disposing a first solder joint and a second solder joint separately on its surface, disposing a wire bonding pad at the first solder joint, to connect to an internal functioning device of the semiconductor chip, and disposing a dummy pad at the second solder joint. Second step: bonding a metal wire on the wire bonding pad, cutting the metal wire on the dummy pad, and breaking the metal wire by pulling above the wire bonding pad, to obtain a vertical conductive column connected to the wire bonding pad.