Method of making a solar energy collector element

Details Method of making a solar energy collector element Method of making a solar energy collector element

1982-06-02

1984-12-25

Lusignan, Michael R.

Coating processes

Electrical product produced

Carbon coating

427160, 427162, 148 635, B05B 500, B05D 500, B05D 512, C23C 1110

Patent

active

044904126

ABSTRACT:
There is disclosed a method of making a solar energy collector element which comprises the step of forming a carbon containing film on at least the sunlight receiving surface of a substrate which is made of an iron metal material, and then heat-treating at least the sunlight receiving surface in an oxidizing atmosphere. The solar energy collector element made by the method of the present invention is superior in selective absorption characteristics for the solar energy and inexpensive in manufacturing.

REFERENCES:
patent: 4097311 (1978-06-01), Ishibashi et al.
patent: 4212933 (1980-07-01), Markin et al.

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