ClassID:

87919

C03C25/68 - CPC Classification

Classification description:

Surface treatment of fibres or filaments made from glass, minerals or slags; Chemical treatment, e.g. leaching, acid or alkali treatment by etching

Recent Application in this class:
#1
20250353781
2025-11-20

GLASS CLOTH AND METHOD OF MANUFACTURE

#2
20240393526
2024-11-28

ANTI-REFLECTION SURFACE VIA METHODS OF LASER ANNEALING OF MASKING LAYER ON FIBER OPTIC TIP

#3
20240140863
2024-05-02

Glass Cloth and Method of Manufacture

#4
20240116805
2024-04-11

METHOD FOR PROCESSING GLASS BY ALKALINE ETCHING

#5
20230122602
2023-04-20

Method of Fabricating an Optical Fibre Preform

#6
20230067875
2023-03-02

Method for fast and efficient fiber tapering

#7
20230055081
2023-02-23

Apparatus and method for etching optical fiber device for removing cladding light

#8
20220371952
2022-11-24

Cane-Based Multicore Optical Fiber and Methods of Forming

#9
20220236479
2022-07-28

Method of manufacture of a capillary for a hollow-core photonic crystal fiber

#10
20220112123
2022-04-14

Method for processing glass by alkaline etching

#11
20220057570
2022-02-24

Microstructured multicore optical fibre (MMOF), a device and the fabrication method of a device for independent addressing of the cores of microstructured multicore optical fibre

#12
20210395929
2021-12-23

ANNEALED QUARTZ GLASS CLOTH AND METHOD FOR MANUFACTURING SAME

#13
20210387892
2021-12-16

Optical fibers and production methods therefor

#14
20210356654
2021-11-18

Tapered scanning fiber with polarization maintaining elements

#15
20210302658
2021-09-30

Optical fiber device for removing cladding light, apparatus and method for etching the same

#16
20210141150
2021-05-13

Method of manufacture of a capillary for a hollow-core photonic crystal fiber

#17
20210124120
2021-04-29

Methods and systems for fabrication of shaped fiber elements for scanning fiber displays

#18
20200385308
2020-12-10

Methods and systems for fabrication of shaped fiber elements using laser ablation

#19
20200279746
2020-09-03

Method for figure control of optical surfaces

#20
20200271862
2020-08-27

Antireflective surface structures for active and passive optical fiber

#21
20200247710
2020-08-06

Method for manufacturing optical fiber parent material, and method for manufacturing optical fiber

#22
20200123053
2020-04-23

Fabrication and applications of multiple side-window, side-firing optical fiber

#23
20190310419
2019-10-10

Methods and systems for fabrication of shaped fiber elements for scanning fiber displays

#24
20190248695
2019-08-15

Manufacturing method of optical fiber preform

#25
20190154913
2019-05-23

Optical fiber, optical sensor including optical fiber, method of manufacturing optical fiber, and deposition apparatus therefor

#26
20190094465
2019-03-28

Antireflective surface structures for active and passive optical fiber

#27
20190062208
2019-02-28

Neutralizing gas system for furnace

#28
20180346811
2018-12-06

Etching solution for selectively removing silicon nitride during manufacture of a semiconductor device

#29
20180180812
2018-06-28

Shaped fiber elements for scanning fiber displays

#30
20180179106
2018-06-28

Methods and systems for fabrication of shaped fiber elements using laser ablation

#31
20180136370
2018-05-17

Seed layer for fabrication of antireflective surface structures on optical elements

#32
20180136368
2018-05-17

Antireflective Surface Structures on Optical Elements

#33
20180044227
2018-02-15

Thermal history-based etching

#34
20180029933
2018-02-01

METHODS OF FABRICATING CHANNELS IN GLASS ARTICLES BY LASER DAMAGE AND ETCHING AND ARTICLES MADE THEREFROM

#35
20180003859
2018-01-04

Method for making an optical element having a textured surface and an optical element having a textured surface

#36
20170305781
2017-10-26

Optical fiber

#37
20170227715
2017-08-10

Antireflective surface structures for active and passive optical fiber

#38
20170153388
2017-06-01

Optical fiber, optical sensor including optical fiber, method of manufacturing optical fiber, and deposition apparatus therefor

#39
20170121221
2017-05-04

APPARATUS AND METHOD FOR FABRICATING METAL-COATED OPTICAL FIBER

#40
20170096362
2017-04-06

Apparatus and method for producing core rod of optical fiber

#41
20170068045
2017-03-09

Optical fiber having a cladding layer doped with metal nano-particles, coreless optical fiber, and method for manufacturing same

#42
20170022095
2017-01-26

Method for finishing a glass product and glass product

#43
20160320556
2016-11-03

Microstructured multicore optical fibre (MMOF), a device and the fabrication method of a device for independent addressing of the cores of microstructured multicore optical fibre

#44
20160265120
2016-09-15

Method of fabricating structures, starting from material rods

#45
20160139336
2016-05-19

High efficiency pump signal combiner for high power fiber amplifier and laser applications

#46
20160115075
2016-04-28

Method for the unidirectional and or bidirectional removal of a cladding layer of an optical preform

#47
20160060167
2016-03-03

Low temperature poly-silicon thin film preparation apparatus and method for preparing the same

#48
20150321952
2015-11-12

Coating on PDC/TSP cutter for accelerated leaching

#49
20150274582
2015-10-01

Thermal history-based etching

#50
20150239768
2015-08-27

Apparatus and method for producing core rod of optical fiber

#51
20150225290
2015-08-13

Method of preparing micro/nano hybrid woven fabric surfaces for oil-oil filtration or oil-water filtration

#52
20140370287
2014-12-18

METHOD FOR PRODUCING OPTICAL FIBER PREFORM, OPTICAL FIBER PREFORM, AND OPTICAL FIBER

#53
20140308818
2014-10-16

Conformal oxide dry etch

#54
20130087530
2013-04-11

Three-dimensional fractal graduated-branching hierarchical structures and fabrication method thereof

#55
20120247841
2012-10-04

COATING ON PDC/TSP CUTTER FOR ACCELERATED LEACHING

#56
20110217665
2011-09-08

Surface structure modification

#57
20110190640
2011-08-04

Pressure sensor with an interferometric sensor and an in-fiber bragg grating reference sensor

#58
20100093524
2010-04-15

SILICA-BASED COMPOSITE OXIDE FIBER, CATALYST FIBER COMPRISING THE SAME, AND PROCESS FOR PRODUCING THE SAME

#59
20100029157
2010-02-04

FABRIC WEB HAVING PHOTOCATALYSIS-BASED POLLUTION CONTROL PROPERTIES

#60
20090285531
2009-11-19

Optical transmission structural body, optical waveguide, optical waveguide formation method, and optical wiring connection body

#61
20090227993
2009-09-10

SHAPED FIBER ENDS AND METHODS OF MAKING SAME

#62
20090175576
2009-07-09

SHAPED FIBER ENDS AND METHODS OF MAKING SAME

#63
20080240667
2008-10-02

Coating material and fiber optic sensor in which this coating material is used

#64
20080159706
2008-07-03

Optical Fiber Comprising a Strippable Coating and Method of Stripping One Such Fiber

#65
20080004491
2008-01-03

METHOD FOR FABRICATING OPTICAL FIBER

#66
20070269165
2007-11-22

Optical transmission structural body, optical waveguide, optical waveguide formation method, and optical wiring connection body

#67
20070269164
2007-11-22

Optical transmission structural body, optical waveguide, optical waveguide formation method, and optical wiring connection body

#68
20060093290
2006-05-04

Etched tapered fiber bundle and method of making the same

#69
20060039660
2006-02-23

Process for producing a leached fiber bundle, and improved leached fiber bundle

#70
20050223747
2005-10-13

Method for making low loss optical fiber

#71
20050201699
2005-09-15

Low loss optical fiber and method for making same

#72
20050173374
2005-08-11

Electrochemical fabrication methods incorporating dielectric materials and/or using dielectric substrates

#73
20050147367
2005-07-07

Method for manufacturing base material for optical fiber, apparatus therefor, and base material manufactured by the same

#74
20050117845
2005-06-02

Optical transmission structural body, optical waveguide, optical waveguide formation method, and optical wiring connection body

#75
20050078798
2005-04-14

Method of making a post-patent collimator assembly