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Class Information
Number: 65/420
Name: Glass manufacturing > Processes of manufacturing fibers, filaments, or preforms > Process of manufacturing optical fibers, waveguides, or preforms thereof > With step of vapor deposition > Inside of tube or hollow form by soot buildup > Maintaining isotropic conditions inside of tube
Description: Processes wherein an environment is sustained that causes the vaporized material to be deposited evenly on the inner surface of the tube.

Patents under this class:

Patent Number Title Of Patent Date Issued
8544299 Quartz glass tube as a semifinished product for preform and fiber manufacture, and method for making the quartz glass tube Oct. 1, 2013
8484996 Method of manufacturing an optical fibre preform Jul. 16, 2013
8006518 Method for manufacturing a preform for optical fibres Aug. 30, 2011
7069749 Method of manufacturing a solid preform Jul. 4, 2006
6430967 Pressure monitoring system using disposable seals Aug. 13, 2002
6301936 Apparatus for manufacturing porous glass preform Oct. 16, 2001
6220060 Optical fiber manufacture Apr. 24, 2001
6109065 Method of making optical waveguide devices using perchloryl fluoride to make soot Aug. 29, 2000
6105396 Method of making a large MCVD single mode fiber preform by varying internal pressure to control preform straightness Aug. 22, 2000
5993899 Optical fiber preform and its fabrication process Nov. 30, 1999
4952225 Method of making an internally-doped tube of transparent glass, in particular for manufacturing rare-earth-doped optical fibers Aug. 28, 1990
4932990 Methods of making optical fiber and products produced thereby Jun. 12, 1990
4909816 Optical fiber fabrication and resulting product Mar. 20, 1990
4826288 Method for fabricating optical fibers having cores with high rare earth content May. 2, 1989
4797143 Process for the production of optical fiber preforms Jan. 10, 1989
4659353 Method of making birefringent optical fibers Apr. 21, 1987
4608070 Process for manufacturing optical-fibre preforms at high deposition rate Aug. 26, 1986
4504299 Optical fiber fabrication method Mar. 12, 1985
4425146 Method of making glass waveguide for optical circuit Jan. 10, 1984
4328017 Method and apparatus for making optical fiber waveguides May. 4, 1982
4328018 Method and apparatus for making optical fiber waveguides May. 4, 1982
4320230 Methanol homologation using iron-cobalt carbonyl cluster catalyst Mar. 16, 1982
4312653 Process for the production of a coated glass body Jan. 26, 1982
4276072 Optical fiber fabrication Jun. 30, 1981
4263032 Method of making optical fibers utilizing thermophoretic deposition of glass precursor particulates Apr. 21, 1981
4194807 Optical fiber wave-guides for signal transmission comprising multiple component glass with an adjusted expansion co-efficient between the core and mantle Mar. 25, 1980
3982916 Method for forming optical fiber preform Sep. 28, 1976
3980459 Method for manufacturing optical fibers having eccentric longitudinal index inhomogeneity Sep. 14, 1976

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