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Handbook of Laser Welding Technologies by S Katayama

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11

Laser welding of glass

I. Miyamoto,     JWRI, Osaka University, Japan

Abstract:

Laser welding of glass enables monolithic joint structure providing excellent mechanical strength, high temperature stability and space selectivity in comparison with existing joining procedures without pre- and post-heating. For welding of glass, CW CO2 lasers and ultrashort pulse lasers (USPL) can be used. While CO2 laser welding can be used for welding glass with a small coefficient of thermal expansion (CTE) based on linear absorption process similar to metal welding, USPL is applicable to any glass without restriction of CTE based on nonlinear absorption. This chapter discusses laser-matter interaction, welding characteristics and applications of laser ...

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