| Author: | To, Wai-lok |
| Title: | In-process control of leadframe transportation system |
| Degree: | M.Sc. |
| Year: | 1999 |
| Subject: | Semiconductors Production control Hong Kong Polytechnic University -- Dissertations |
| Department: | Multi-disciplinary Studies Department of Manufacturing Engineering |
| Pages: | 125 leaves : ill. (some col.) ; 30 cm |
| Language: | English |
| Abstract: | In the semi-conductor industry, the leadframes are commonly used at the back end of production line. Many mechanisms are designed to transport the leadframes between different processes such as laser mark, dejunk final test and trim/form. This project is to modify a leadframe transportation mechanism with closed-loop feedback control system to improve the productivity, reliability and repeatability with minimum human intervention. This mechanism is a part of a TOL (Test-On-Leadframe) test handler that is used to transport the leadframes in the final test process. |
| Rights: | All rights reserved |
| Access: | restricted access |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| b14792497.pdf | For All Users (off-campus access for PolyU Staff & Students only) | 12.11 MB | Adobe PDF | View/Open |
Copyright Undertaking
As a bona fide Library user, I declare that:
- I will abide by the rules and legal ordinances governing copyright regarding the use of the Database.
- I will use the Database for the purpose of my research or private study only and not for circulation or further reproduction or any other purpose.
- I agree to indemnify and hold the University harmless from and against any loss, damage, cost, liability or expenses arising from copyright infringement or unauthorized usage.
By downloading any item(s) listed above, you acknowledge that you have read and understood the copyright undertaking as stated above, and agree to be bound by all of its terms.
Please use this identifier to cite or link to this item:
https://theses.lib.polyu.edu.hk/handle/200/1909