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.:
Date of Patent:
Nov. 29, 2011
Filed:
Jul. 10, 2009
Applicant:
Dau Wu, Fallbrook, CA (US);
Inventor:
Dau Wu, Fallbrook, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 37/01 (2006.01); C03B 37/014 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process and apparatus for making silicon or silicon/germanium core fiber is described, which uses a plasma process with reducing agent to make a preform. The process also makes the recommendations in selecting the adequate cladding tube for better fiber properties. An improved fiber drawing apparatus is also disclosed in order to draw this new type of preform.