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4G021 | Manufacture, treatment of glass fibers | |
C03B37/00 -37/16 |
C03B37/00-37/00@Z | AA | AA00 MANUFACTURE OF GLASS FIBERS |
AA01 | AA02 | AA03 | AA04 | AA05 | |||||
. Manufacture of fiber bundles | . . Acid elution | . . Winding | . . Sheet formation | . . End adhesion | ||||||||
C03B37/012-37/012@Z | BA | BA00 MANUFACTURE OF PREFORMS |
BA01 | BA02 | BA03 | BA04 | ||||||
. Rod in tube method | . . Rod, tube materials, shape | . . Treatment of rods, tubes | . . Heat fusion, collapse | |||||||||
BA11 | BA12 | BA13 | BA14 | BA15 | ||||||||
. Manufacture of fiber bundle preforms | . . Rod, tube materials, shape, treatment | . . Alignment and packing of rods into tubes | . . . Variants where objects are left in the spaces between rods | . . Treatment following alignment (including fusion) | ||||||||
BA21 | BA22 | BA23 | ||||||||||
. Manufacture of fiber bundle preforms that preserve the plane of polarization | . . Variants having elliptical sections | . . Variants with side pits | ||||||||||
C03B37/014-37/014@Z | CA | CA00 MANUFACTURE OF PREFORMS USING CHEMICAL MEANS |
CA01 | CA02 | CA03 | |||||||
. Melting | . Mased method | . Solidification of powdered glass | ||||||||||
CA11 | CA12 | CA13 | CA14 | CA15 | CA16 | |||||||
. Manufacture of preforms from porous glass | . . Sintering vitrification | . . . Sintering atmosphere | . . . . Fluorine-containing atmosphere | . . Immersion in liquid | . . Post-treatment of sintered preforms | |||||||
C03B37/016 | DA | DA00 MANUFACTURE OF PREFORMS USING LIQUID PHASE REACTION |
DA01 | DA02 | ||||||||
. Selection and regulation of raw materials | . Manufacture of structural parts | |||||||||||
C03B37/018-37/018@Z | EA | EA00 MANUFACTURE USING VAPOR PHASE REACTION |
EA01 | EA02 | EA03 | EA04 | ||||||
. Vapor phase axial deposition | . Internal chemical vapor phase deposition | . External chemical vapor phase deposition | . Manufacture of the preforms of fibers that preserve the plane of polarization | |||||||||
EB | EB00 DETAILS OF VAPOR PHASE REACTION METHODS |
EB01 | EB02 | EB03 | EB04 | EB05 | EB06 | EB07 | ||||
. Targets, raw materials | . . Targets | . . . Quartz tubes | . . Glass materials | . . . Fluorides | . . . Supplying of raw material gases | . . . . Variants using bubbling | ||||||
EB11 | EB12 | EB13 | EB14 | EB15 | EB16 | EB18 | EB19 | |||||
. Soot-forming processes | . . Heating means | . . . Variants using flames | . . . . Spatial disposition of burners | . . . . Burner structure | . . . Variants using plasma | . . Regulating the reaction environment | . . Variants characterized by the composition of deposited layers | |||||
EB21 | EB22 | EB23 | EB24 | EB26 | ||||||||
. Discharge, post-treatment | . . Discharge of glass, removal of powder | . . Removal of mandrels | . . Collapse | . Control | ||||||||
C03B37/022 | FA | FA00 DRAWING OF GLASS FIBERS FROM MOLTEN GLASS |
FA01 | |||||||||
. Air-blowing immediately following drawing | ||||||||||||
C03B37/023 | GA | GA00 DRAWING OF OPTICAL FIBERS FROM MOLTEN GLASS |
GA01 | GA02 | GA03 | GA04 | GA05 | |||||
. Drawing downward | . . Supplying of glass materials | . . . Supplying of glass materials using vapor phase reactions | . . Furnace (crucible) structure, materials | . . Treatment following drawing | ||||||||
C03B37/027-37/027@Z | HA | HA00 DRAWING OF OPTICAL FIBERS FROM PREFORMS |
HA01 | HA02 | HA03 | HA04 | HA05 | |||||
. Heating | . . Drawing furnaces | . . . Structure, materials of the furnace central pipe | . Environment, supplying of gas | . Control | ||||||||
C03B37/04 | JA | JA00 DRAWING USING CENTRIFUGAL FORCE |
JA01 | JA02 | JA03 | |||||||
. Variants using this together with a jet spray | . . Orifice materials, structure | . . Blowing, heat treatment | ||||||||||
C03B37/06 | KA | KA00 DRAWING USING SPRAYING, BLOWING OFF |
KA01 | KA02 | KA03 | |||||||
. Variants using main gas flows and auxiliary gas flows | . Spraying in the direction in which the molten glass moves | . Spraying perpendicular to the direction in which the molten glass moves | ||||||||||
C03B37/075-37/075@Z | LA | LA00 MANUFACTURE USING METHODS OTHER THAN DRAWING, EXTRUDING |
LA01 | LA02 | ||||||||
. Variants characterized by the shape, structure of the glass fibers | . Optical fiber structure | |||||||||||
C03B37/08-37/083 | MA | MA00 SPINNING FURNACES |
MA01 | MA02 | MA03 | |||||||
. Bushing plate structure | . . Nozzle structure | . Cooling of bushing plates, glass fibers | ||||||||||
C03B37/16 | NA | NA00 CUTTING, SEVERING |
NA01 | |||||||||
. Variants characterized by the cutting apparatus |