Viscosity measurements and models of underfill mixtures

被引：4
作者：
Li, PC [1 ]
Cotts, EJ [1 ]
Guo, Y [1 ]
Lehmann, GL [1 ]
机构：
[1] SUNY Binghamton, Dept Phys, Binghamton, NY 13902 USA
来源：
3RD INTERNATIONAL CONFERENCE ON ADHESIVE JOINING AND COATING TECHNOLOGY IN ELECTRONICS MANUFACTURING 1998, PROCEEDINGS | 1998年
关键词：
underfill; capillary flow; viscosity;
D O I：
10.1109/ADHES.1998.742049
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Measurement of the viscosity of commercial underfill mixtures has been conducted with a rotating, parallel disk rheometer. Capillary flow of the mixtures into a channel, formed by parallel glass walls is used to simulate the underfill process. The mixture viscosity is deduced from the underfill simulation with a model based on 1) a uniform concentration profile or 2) a variable concentration profile. When comparing the data from the different flow configurations, the variable concentration profile model provides the best agreement.
引用
收藏
页码：328 / 333
页数：6
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