Laser reballing: how modern technologies help improve electronics

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Abstract

Laser reballing is an innovative technology for repairing ICs in BGA packages that uses a laser for precise positioning and reliable soldering of solder balls to the BGA component package. The article describes the technological process and discusses the advantages of the method.

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About the authors

S. Shikhov

Компания А-КОНТРАКТ

Author for correspondence.
Email: sergey@acont.ru

директор по управлению проектами

Russian Federation

Supplementary files

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2. Fig. 1. Operation of a laser installation for reballing BGA microcircuits (photo provided by A-CONTRACT)

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3. Fig. 2. The laser reballing process: a – setup diagram; b – the solder ball enters the nozzle; c – the laser melts the solder ball, the ball exits the nozzle and is soldered to the chip pad; d – transition to the next pad, repeating the cycle

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4. Fig. 3

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Copyright (c) 2025 Shikhov S.