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As Displays Evolve, Lasers Offer New Bonding Options

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Emerging display designs favor more screen and less frame, prompting interest in noncontact thermal bonding tools powered by diode lasers.

WEIYI GU, KEVIN ZHU, AND JOANNA QIAO, FOCUSLIGHT TECHNOLOGIES INC.

The display industry has used anisotropic conductive film (ACF) for component packaging applications for decades. By aligning display parts precisely and applying heat and compression for the right duration of time, ACF bonding technology ensures strong and reliable electrical-mechanical interconnections. Further, the characteristics of ACF make it possible to form electrical and mechanical bonding in a single step. A typical anisotropic conductive film (ACF) bonding process for LCD panels. IC: integrated circuit. Courtesy of Focuslight. With the addition of beam shaping and...Read full article

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