Invention Grant
- Patent Title: Method of manufacturing glass preform
- Patent Title (中): 制造玻璃预制件的方法
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Application No.: US13849319Application Date: 2013-03-22
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Publication No.: US09395485B2Publication Date: 2016-07-19
- Inventor: Takayuki Kitamura , Akihito Imase
- Applicant: FUJIKURA LTD.
- Applicant Address: JP Tokyo
- Assignee: FUJIKURA LTD.
- Current Assignee: FUJIKURA LTD.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2012-067977 20120323; JP2012-284063 20121227
- Main IPC: C03B37/018
- IPC: C03B37/018 ; C03B37/012 ; G02B6/02 ; C03B37/014

Abstract:
A method of manufacturing a glass preform is provided. The method including, vaporizing an alkali metal compound or an alkali earth metal compound and being brought the alkali metal compound or the alkali earth metal compound into contact with a hydroxyl group on a surface of porous silica glass and dehydrating the porous silica glass, and sintering the dehydrated porous silica glass and forming a transparent glass body.
Public/Granted literature
- US20130251322A1 METHOD OF MANUFACTURING GLASS PREFORM Public/Granted day:2013-09-26
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