| 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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