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. 01, 2004
Filed:
Mar. 08, 2000
Applicant:
Inventors:
Waichi Yamamura, Annaka, JP;
Mitsukuni Sakashita, Annaka, JP;
Tadakatsu Shimada, Annaka, JP;
Hideo Hirasawa, Annaka, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 3/707 ;
U.S. Cl.
CPC ...
C03B 3/707 ;
Abstract
A method for manufacturing a glass rod ( ), which is a parent material of an optical fiber ( ), comprising: adjusting a vertical inclination of a standard rod ( ) having a predetermined straightness; and heating and elongating a base material ( ), which is a parent material of the glass rod ( ), along an axis of the standard rod ( ), the vertical inclination of which is adjusted, to generate the glass rod ( ).