emew Blog

Semiconductor Wastewater: Offsite Disposal or Onsite Treatment?

Posted by Alex Barshai on May 31, 2016 12:30:00 PM

Approximately 10 years ago copper became an important metal in semiconductor manufacturing.  Copper offers much better conductivity and lower power consumption compared to aluminum for back end of line (BEOL) interconnects.

Usage of copper however produces a concentrated copper waste that contains hazardous chemicals like copper sulphate and sulphuric acid.

 

"I only feel angry when I see waste. When I see people throwing away things we could use."

– Mother Teresa

 

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Topics: semiconductors

How the Semiconductor Industry is Becoming A Greener Industry

Posted by Dora Ip on Mar 21, 2016 4:40:04 PM

About 10 years ago, Copper replaced Aluminum for the back end of line (BEOL) interconnects in the semiconductor industry.  This was due mainly because of some key features of Copper compared to their Aluminum counterparts:
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Topics: effluent treatment, environmental, copper, Waste water treatment, semiconductors