Journal
IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY
Volume 10, Issue 3, Pages 494-501Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCPMT.2020.2972016
Keywords
Biobjective optimization; jet dispensing; structure design; surrogate model
Categories
Funding
- National Key Research and Development Program of China [2018YFB1308200]
- National Natural Science Foundation of China [51905109]
- City University of Hong Kong [7005092]
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Jetting technology has become popular in microelectronic packaging due to its high efficiency and noncontact property. Its performance is significantly affected by the structure design. However, it is very difficult and time-consuming to conduct the optimal design under the traditional approaches, especially when more than one performance criteria is required. A surrogate model-based design method is proposed to optimize structure parameters under two different performance criteria. The surrogate model can serve for the quick evaluation of the process performance, upon which the process can be optimally designed via iterative search. As two performance indexes are required in the jetting process, a biobjective optimization method is used to design multiple parameters concurrently. Under this new design approach, the design can be easier to complete, and the jetting performance is significantly improved in both simulation study and experiment testing.
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