Effects of Ultrasonic Power on Bonding Strength of Anisotropic Conductive Film Joint in Chip-on-Glass Assembly

Abstract:

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Polymer-based anisotropic conductive film has become widely used in many electronic packaging interconnect applications. In this study, thermosonic flip chip bonding technology for anisotropic conductive film (ACF) joints of chip-on-glass (COG) assembly is investigated. The effects of ultrasonic power on the curing degree and bonding strength of anisotropic conductive film joints are discussed. The results show that (1) The bonding strength of the ACF joints firstly increases and then fast decreases when the ultrasonic power is continuously increased; (2) The curing degree of ACF material increases with the increase of the ultrasonic power. When the ultrasonic power is 3.52W, the curing degree of ACF material can reach 94.1%; (3) The optimized value of ultrasonic power is 3.5W for the studied assembly.

Info:

Periodical:

Advanced Materials Research (Volumes 189-193)

Edited by:

Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang

Pages:

3466-3469

DOI:

10.4028/www.scientific.net/AMR.189-193.3466

Citation:

Y. C. Lin et al., "Effects of Ultrasonic Power on Bonding Strength of Anisotropic Conductive Film Joint in Chip-on-Glass Assembly", Advanced Materials Research, Vols. 189-193, pp. 3466-3469, 2011

Online since:

February 2011

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Price:

$35.00

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