NDLI: Effect of misalignment on the electrical characteristics of anisotropic conductive adhesive joints

Content Provider	IEEE Xplore Digital Library
Author	Fan, S.H. Chan, Y.C.
Copyright Year	2002
Description	Author affiliation: Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon, China (Fan, S.H.; Chan, Y.C.)
Abstract	The effect of misalignment on the electrical properties of anisotropic conductive film (ACF) joints is investigated in this work. It is found that along with the increase of misalignment, the connection resistance of ACF joints increases. When the misalignment in the x-direction is less than 5 /spl mu/m, the increase rate of connection resistance is quite large. Then, along with the severity of misalignment, the increase rate becomes smaller. Finally, when the misalignment is close to 20 /spl mu/m, the increase rate rises again. The Holm's electric contact theory is used for understanding the connection resistance variation. On the other hand, with the increase of misalignment in the x-direction, the insulation resistance between ACF joints decreases. If the misalignment exceeded 10 /spl mu/m, the decrease is prominent for the Ni particle ACF joints. This phenomenon can be explained by the effect of dielectric damage of the epoxy. The mathematical models are developed to calculate the variation of the probability of open and shorting after misalignment and predicate the maximum misalignment tolerance.
Sponsorship	IEEE Components, Packaging, & Manuf. Technol. Soc. Electronic Components, Assemblies & Mater. Assoc
Starting Page	1605
Ending Page	1612
File Size	832121
Page Count	8
File Format	PDF
ISBN	0780374304
ISSN	05695503
DOI	10.1109/ECTC.2002.1008321
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-05-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electric variables Anisotropic magnetoresistance Conductive adhesives Flip chip Electric resistance Assembly Substrates Anisotropic conductive films Shape Conducting materials
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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