A method of welding and sealing the edges of two juxtaposed glass sheets together to seal a vacuum space between the sheets comprises the steps of positioning a radiation absorbant material, such as FeO, VO.sub.2, or NiO, between the radiation transmissive glass sheets adjacent the edges and then irradiating...http://www.google.fr/patents/US5489321?utm_source=gb-gplus-shareBrevet US5489321 - Welding/sealing glass-enclosed space in a vacuum