| 摘要 |
In a PVD or CVD process for coating a glass surface, the novelty is that, for forming a gastight constructional and/or optical element comprising two or more spaced wall elements, the peripheral edge of at least one side face of each wall element is bonded with a metallic bond layer. Also claimed are (i) use of the process for prodn. of the constructional and/or optical element; and (ii) a constructional and/or optical element consisting of at least two spaced glass wall elements (2, 3) which are edge-sealed to form a gastight intermediate space (5), the novelty being that the bond layer (4) coated edge at the periphery of at least one side face of each wall element (2, 3) is coated with a solderable metal as a barrier layer (6) or the barrier layer (6) is formed with a solderable surface at the side opposite from the bond layer (4).
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