Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/5747
Title: Chip on flex and flip chip on flex technology
Authors: Goh, Kay Soon.
Keywords: DRNTU::Engineering::Manufacturing
Issue Date: 1999
Abstract: The outline of this project is to look at the design concept, material review and the process capabilities and requirements for the COF and manufacturing. Various problems pertaining to the reliability of the COF assemblies at the various stages of the processes have also been highlighted. In the wire bonding process, substrate material variations, such as the gold lead surface roughness and the present of contamination have been cited as major reliability issues, which will affect the process consistency and reliability of the bonded wires. Such phenomena are clearly shown by the various scanning electron microscope (SEM) photographs. In addition, the presence of voids during encapsulation and after cure can result in mechanical failures when subjected to the various reliability tests. Various experiments have been carried out to characterize and optimize the various parameters for product reliability.
URI: http://hdl.handle.net/10356/5747
Rights: Nanyang Technological University
Fulltext Permission: restricted
Fulltext Availability: With Fulltext
Appears in Collections:MAE Theses

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