Jenaer Glaswerk Schott & Gen.

Other

Eckart Hussmann

Roland Schnabel

Hans-Georg Krolla

Gerd O Muller

Manfred Krauss

Bernhard R Durschang

The present invention relates to a novel process for the production of sequences of interference layers composed of layers i of prescribed thicknesses d(i) and refractive indices n(i). In this process a stack of at least two layers i of glasses having refractive indices n(i) and thicknesses d (i), which are each larger than the predetermined thicknesses d(i) by the same multiplying factor, is provided. The stack is heated to a temperature above the transformation temperature of the glasses and during or after heating, the stack is drawn in such a manner that the individual layers obtain the prescribed thicknesses d(i). After this the drawn stack is cooled.

Process for the production of sequences of interface layers

The present invention relates to a flat, gas-tight solar energy collector having a novel absorber means consisting of an absorber plate and an edge connecting means attached thereto for connecting the absorber to the edge structure of the collector. No direct thermal contact exists between the edge of the absorber plate and the edge structure means. Thus, heat losses on the sides of the collector are kept to a minimum.

Flat solar energy collector with low heat contact between absorber and

A solar energy collecting unit is disclosed having an absorber for solar radiation comprising at least one hollow fiber having a heat-dissipating medium flowing therethrough. The hollow fibers used are preferably glass fibers, and preferably form the absorbing surface of the collecting unit.

Laminar solar energy collecting unit having absorber plates consisting

Fibrous wall materials that are substantially transparent to solar radiation and substantially impervious to long-wave radiation wherein the fibers are arranged in a parallel relationship are disclosed as being useful to form cell structures, in the form of a honeycomb. Heat losses from such solar energy collectors are substantially minimized.

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Ober-Olm, Germany

Eckart Hussmann