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:
Jun. 14, 2005
Filed:
Jan. 10, 2003
Applicants:
Pei-kuen Wei, Taipei, TW;
Yi-chun Chen, JungHe, TW;
Inventors:
Pei-Kuen Wei, Taipei, TW;
Yi-Chun Chen, JungHe, TW;
Assignee:
Academia Sinica, Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C001/22 ; C23F001/02 ;
U.S. Cl.
CPC ...
Abstract
Techniques for chemically etching a fiber tip to form a smooth fiber probe. One implementation applies a coating layer around a bare fiber to expose only an end facet of the bare fiber and then the exposed end facet is immersed into an etching liquid to be away from a meniscus interface between the etching liquid and the fiber to etch the fiber from the end facet.