ENVIRONMENTAL CHALLENGES TO CONVENTIONAL PTH METALLIZATION - A TIME FOR CHANGE?Author: David H. Ormerod
Company: Enthone Inc., A Business of Cookson Electronics
Date Published: 10/4/2009 Conference: SMTA International
In simple terms, the inability of Fab shops to meet the rapidy tightening regulations will limit the expansion of plating facilities, the permitting of new facilities and will challenge the broader supply capacity. Despite this mounting pressure, the performance and reliability of the copper metallization system is even more more critical, especially for the newer electronic devices sweeping the industry. So is there a conflict in these demands? Are there alternative green choices which will not only meet the OEM and EMS supply needs, but which will provide better performance and enable higher capability for the industry? The paper looks at one alternative PTH approach, using a conductive polymer system, which has the proven ability to deliver these goals and economically justify the necessary cost of qualification.
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