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Cl-Containing Microplastics from the Environment
Abstract:
One of the critical process steps in the assembly of integrated circuits is the making of the connection between the silicon chip and the outside world. This is done by a thermo-sonic welding process of sometimes more than 800 copper wires to the aluminum bond pads. The Al-Cu intermetallic compound formed during this process is sensitive for trace amount of chloride from the environment. It is found that Cl-containing microplastics are the source of this chloride and further analyzing these particles helps to identify the origin of these particles.
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29-33
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February 2021
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© 2021 Trans Tech Publications Ltd. All Rights Reserved
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