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[ÇóÖú] Benzotriazole removal on post-Cu CMP cleaning

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  • 2015-09-24 17:49:43, 1.55 M

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Accession number:  20152500950445

  Title:  Benzotriazole removal on post-Cu CMP cleaning
  Authors:  Tang, Jiying1, 2; Liu, Yuling1 ; Sun, Ming1; Fan, Shiyan1; Li, Yan1  
  Author affiliation:  1 Institute of Microelectronics, Hebei University of Technology, Tianjin, China  
   2 Electrical Engineering Department, Tianjin Metallurgical Vocation-Technology Institute, Tianjin, China  
  Corresponding author:  Liu, Yuling  
  Source title:  Journal of Semiconductors
  Abbreviated source title:  J. Semicond.
  Volume:  36
  Issue:  6
  Issue date:  June 1, 2015
  Publication year:  2015
  Article number:  066001
  Language:  English
  ISSN:  16744926  
  Document type:  Journal article (JA)
  Publisher:  Institute of Physics Publishing
  Abstract:  This work investigates systematically the effect of FA/O II chelating agent and FA/O I surfactant in alkaline cleaning solutions on benzotriazole (BTA) removal during post-Cu CMP cleaning in GLSI under the condition of static etching. The best detergent formulation for BTA removal can be determined by optimization of the experiments of single factor and compound cleaning solution, which has been further confirmed experimentally by contact angle (CA) measurements. The resulting solution with the best formulation has been measured for the actual production line, and the results demonstrate that the obtained cleaning solution can effectively and efficiently remove BTA, CuO and abrasive SiO<inf>2</inf> without basically causing interfacial corrosion. This work demonstrates the possibility of developing a simple, low-cost and environmentally-friendly cleaning solution to effectively solve the issues of BTA removal on post-Cu CMP cleaning in a multi-layered copper wafer. &copy; 2015 Chinese Institute of Electronics.
  Number of references:  11
  Main heading:  Solution mining  
  Controlled terms:  Chelation  -  Cleaning  -  Contact angle  -  Etching  -  Surface active agents  
  Uncontrolled terms:  Alkaline cleaning  -  Benzotriazole(BTA)  -  Benzotriazoles  -  Chelating agent  -  Cleaning solution  -  Detergent formulations  -  Etching rate  -  Production line  
  Classification code:  502.1 Mine and Quarry Operations -  631.1.1 Liquid Dynamics -  802.2 Chemical Reactions -  802.3 Chemical Operations -  803 Chemical Agents and Basic Industrial Chemicals
  DOI:  10.1088/1674-4926/36/6/066001
  Database:  Compendex
   Compilation and indexing terms, &copy; 2015 Elsevier Inc.

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Tang, J.

Liu, Y.

Sun, M.

Fan, S.

Li, Y.

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2Â¥2015-09-24 18:55:05
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Accession number:  20152500950445
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