Lasers impact cell phone manufacturing

Venkat, Sri
April 2006
Industrial Laser Solutions;Apr2006, Vol. 21 Issue 4, p4
The article discusses the applications of lasers in cellular phone manufacturing. The three main areas of manufacturing are flat panel displays (FPD), printed circuit boards (PCB) and memory and logic chips. Another display-related process is glass substrate cutting. Display manufacturers are beginning to adopt Q-switched diode-pumped lasers to pattern the transparent indium tin oxide front-side electrodes in FPD. An example of PCB application is laser direct imaging. Lasers are used extensively in both front-end and back-end processing in terms of logic and memory chips. Laser marking is also extensively used throughout cellular phones to identify the chip packages and PCB, as well as for non-electrical components.


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