EVACUABLE FLAT PANEL SOLAR COLLECTOR

摘要

The present invention relates to an evacuable flat panel solar collector wherein the transparent planar wall and the housing are sealed by a soft metal ribbon which is soft soldered at least with a first portion to the housing and at least with a second portion to a metallized area of the transparent planar wall. The present invention also relates to a method for the preparation of said flat panel solar collectors as well as to a flat panel solar collector system comprising said flat panel solar collector and at least one external mirror.