The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6987604 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 17, 2006

Filed:

Feb. 25, 2004
Applicants:

Mario Rabinowitz, Redwood City, CA (US);

David Vincent Overhauser, Cupertino, CA (US);

Inventors:

Mario Rabinowitz, Redwood City, CA (US);

David Vincent Overhauser, Cupertino, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 7/182 (2006.01);
U.S. Cl.
CPC ...
Abstract

Due to an ever growing shortage of conventional energy sources, there is an increasingly intense interest in harnessing solar energy. The instant invention can contribute to the goal of achieving environmentally clean solar energy to be competitive with conventional energy sources. A novel method is described for manufacturing a transparent sheet with an embedded array of mirrored spheroidal micro-balls for use in a solar energy concentrator, and analogous applications such as optical switches and solar rocket assist. The micro-balls are covered with a thin spherical shell of lubricating liquid so that they are free to rotate in an almost frictionless encapsulation in the sheet. Novel method and apparatus are presented for producing the preferred embodiment of a close-packed monolayer of the array of mirrored micro-balls.


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