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Reliability of aluminized integrated circuits
Mustafaev Gasan Abakarovich
Doctor of Technical Science
Professor, Department of Computer Technologies and Integrated Circuits, Kabardino-Balkarian State University
360004, Russia, respublika Kabardino-Balkarskaya, g. Nal'chik, ul. Chernyshevskogo, 173, kab. 122
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arslan_mustafaev@hotmail.com
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Mustafaev Arslan Gasanovich
Doctor of Technical Science
Professor of the Department "Information technologies and information security" of the Dagestan State University of National Economy
367015, Russia, respublika Dagestan, g. Makhachkala, ul. Ataeva, 5, kab. 4.5
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arslan_mustafaev@hotmail.com
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Cherkesova Natal'ya Vasil'evna
PhD in Technical Science
Associate Professor at Kabardino-Balkarian State University
360004, Russia, the Kabardino-Balkar Republic, Nalchik, ul. Chernyshevskogo, 173, of. 122
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natasha07_2002@mail.ru
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Abstract. Aluminium with its alloys is the basic material of integrated circuits metallization. Use of VLSIC toughens the requirements to the parameters of metallization, which determine its reliability, such as surface resistance, step coating quality, number and sizes of tension-caused voids, and electromigration tolerance. Poor quality of metallization is one of the most dangerous defects in semiconductor technology of integrated circuits. Electromigration can cause failure when passing high-density current through metallization. The materials have been tested in order to estimate the intensity of metal resistance variation caused by electromigration. Based on the results of these tests, the authors conclude that geometrical factors play a dominant role in the mechanism of erosion of integrated circuits metallization caused by electromigration. With regard to the tests, the authors formulate recommendations about the transition from the sputtering technique to evaporation deposition.
Keywords:
semiconductor, electronics, technology, electromigration, aluminum, circuit, metallization, connection, silicon, reliability
DOI: 10.7256/2453-8884.2017.3.23345
Article was received:
04-10-2017
Review date:
16-10-2017
Publish date:
26-11-2017
This article written in Russian. You can find full text of article in Russian
here
.
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