| Patents for C03C 21 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface (2,282) |
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| 08/19/1993 | DE4302424A1 Gas insulated switching breaker device - has common bus=bars for several aligned units, each with breakers and isolators mounted between two crossbars |
| 08/18/1993 | EP0555663A2 Method of dealkalizing glass |
| 08/12/1993 | DE4203368A1 Integrated optical wave guide - comprises glass substrate with intermediate zone surrounding integrated zone |
| 08/05/1993 | WO1993015519A1 Writing pad and production thereof |
| 08/05/1993 | WO1993015029A1 Method of writing on or decorating transparent substrates using a laser |
| 08/05/1993 | DE4302046A1 Optical glass material for press moulding - contains surface implanted carbon@ to facilitate mould release |
| 08/03/1993 | US5232753 Diffusion barrier at interface |
| 08/03/1993 | US5232481 Glass dimensional control using ion exchange |
| 06/30/1993 | EP0548388A1 Method and apparatus for burying waveguide paths |
| 06/21/1993 | CA2084218A1 Method and apparatus for burying waveguide paths |
| 06/16/1993 | EP0546783A1 Lead crystal glassware and a process for its manufacture |
| 05/05/1993 | EP0539711A1 Process for manufacturing integrated optical components using silicon mask |
| 03/31/1993 | EP0534561A1 Gradient index glasses and sol-gel method for their preparation |
| 03/28/1993 | CA2077984A1 Process for manufacturing integrated optical components using silicon mask |
| 03/17/1993 | EP0531584A1 Method for marking or decorating transparent substrates with a laser |
| 03/09/1993 | US5192402 Method of dealkalizing glass |
| 01/26/1993 | US5182236 Gradient index glasses and sol-gel method for their preparation |
| 01/13/1993 | EP0522571A1 Optical connector |
| 12/15/1992 | US5171344 Method for manufacturing a gradient index optical element |
| 11/26/1992 | DE4206268A1 Glass compsn. capable of being surface hardened - by ion exchange using oxide(s) of silicon, aluminium, lithium, sodium and zirconium |
| 11/03/1992 | US5160523 Method of producing optical waveguides by an ion exchange technique on a glass substrate |
| 11/03/1992 | US5160360 Process for producing low-loss embedded waveguide |
| 10/07/1992 | EP0507276A2 Conductive glass and manufacturing method thereof |
| 09/29/1992 | US5151958 Field distribution of light changes adiabatically in longitudinal direction |
| 09/16/1992 | EP0503278A1 Process and apparatus for producing optical structures in plates |
| 09/08/1992 | US5145757 By electron beam irradiation with at least one surface of article having continuous silver and hydration content |
| 08/18/1992 | US5139557 Method of performing an ion exchange of optical glass |
| 07/15/1992 | CN2110016U High-temp. electronic supplementary ion exchange device |
| 07/07/1992 | US5127931 Process for ion exchange on glass or glass ceramic |
| 06/30/1992 | US5125944 Process for producing buried wave guide device |
| 05/27/1992 | EP0201601B1 Glass microspheres |
| 05/19/1992 | US5114813 Method of forming stable images in electron beam writable glass compositions |
| 05/19/1992 | US5114453 Lightwave guide produced by ion exchange of cs+ ions |
| 04/22/1992 | CN1060455A Productive method of enamelled glass products |
| 03/24/1992 | US5098792 Process for the manufacture of glass with modified radiant energy characteristics and the product so obtained |
| 03/18/1992 | EP0475763A2 Glass front-panel for a cathode ray tube and production method of the same |
| 03/11/1992 | EP0474392A1 An adaptor device for coupling together optical waveguides of different types and a process for the production of such an adaptor device |
| 03/03/1992 | US5093196 Dealkalized sheet glass |
| 03/03/1992 | CA1296528C Method for producing glass preform for optical fiber |
| 02/24/1992 | CA2049608A1 Adaptor device for coupling optical waveguides |
| 01/22/1992 | EP0467579A2 Method of producing optical waveguides by an ion exchange technique on a glass substrate |
| 01/07/1992 | US5078772 Ion exchanging a phosphate glass |
| 01/07/1992 | US5078771 Surface treated silver ion exchanged glass |
| 12/31/1991 | US5077240 Ophthalmic uses; surface ion exchanging for chemical strength |
| 11/28/1991 | DE4025814C1 Glass prodn. process - by introducing silver ions into glass surface and treating in steam atmos. to form silicon hydroxide gps. |
| 11/27/1991 | EP0458713A1 Process for minimizing the migration of lead from a crystal flask to a liquid contained in this flask |
| 11/19/1991 | US5066514 Method of forming optical waveguides by ion implantation |
| 11/05/1991 | US5062877 Method for making an optical device |
| 10/30/1991 | EP0148238B1 High energy beam sensitive glasses |
| 10/23/1991 | EP0452923A2 Method of fabricating integrated optical devices by means of field-assisted ion exchange |
| 10/23/1991 | EP0452640A1 Method of coloring photochromic glasses |
| 10/15/1991 | US5057135 Method of quickly manufacturing an optical waveguide |
| 10/15/1991 | US5057134 Process for producing a glass article protected from coloring by electron rays |
| 09/25/1991 | EP0447678A1 Essentially colorless silvercontaining glasses through ion exchange, method of making, and fiber optic component |
| 09/20/1991 | CA2033722A1 Essentially colorless silver-containing glasses through ion exchange, method of making, and fiber optic component |
| 09/18/1991 | CN1013956B Method and equipment for upgrading the quality of plate glass |
| 09/10/1991 | US5047374 Surface strengthened composite ceramic material |
| 09/03/1991 | US5045508 Ammonia-treated phosphate glasses useful for sealing to metals metals |
| 09/03/1991 | CA1288264C Orthodontic brackets made from ion exchange strengthened glass |
| 08/14/1991 | EP0441128A1 Strengthenable high neodym content glass |
| 07/30/1991 | US5035734 Ion Exchanging |
| 07/16/1991 | US5032000 Gradient index-type optical device and process for production thereof |
| 06/12/1991 | EP0431281A1 Optical device containing a photonucleable glass, and method of making it |
| 06/05/1991 | EP0430908A1 Reflecting glass |
| 05/30/1991 | CA2030981A1 Process for the manufacture of reflecting glass and the product thereof |
| 05/07/1991 | CA2025396A1 Optical device and method |
| 04/30/1991 | US5011677 For radiation therapy |
| 04/16/1991 | US5007948 Essentially colorless silver-containing glasses through ion exchange |
| 04/11/1991 | DE4034236A1 Alkali removal from glass surfaces - by treatment with wet nitrogen, sulphur tri:oxide and then dry nitrogen |
| 04/02/1991 | US5004707 Lightwave guide produced from special substrate glasses by ion exchange against CS+ ions |
| 02/28/1991 | DE4026312A1 Optical element with refractive index distributions - produced by density gradients of constituents |
| 02/12/1991 | CA1279993C Strengthened glass articles and method for making |
| 02/06/1991 | CN1011559B Anti reflection window for optic device and mfr. method thereof |
| 01/23/1991 | CN1011304B Manufacturing method of high-temp. glass with crystal-separating temp.over quartz glass |
| 01/08/1991 | US4983197 Contacting with molten potassium salt, changing the refractive index |
| 12/27/1990 | EP0404040A1 Method of forming stable images on silicate glass articles |
| 12/25/1990 | US4979976 Heat treating lenses in flowing hydrogen gas to produce a permanent tint to integrated surface layer |
| 12/19/1990 | CA2018781A1 Method of modifying the surface of glass substrate |
| 11/28/1990 | EP0399577A1 A method for making high energy beam sensitive glasses |
| 11/20/1990 | US4971423 Gradient-index-type optical device |
| 10/18/1990 | DE4011969A1 Ion exchange treatment of optical glass - esp. to produce lens with axial refractive index gradient |
| 10/17/1990 | EP0392375A2 A method of producing optical waveguides |
| 10/16/1990 | US4963177 Masking glass; immersion in salt melt; ion exchanging |
| 09/26/1990 | EP0268672B1 Glass structures |
| 09/11/1990 | US4956066 Device for carrying out field supported ion exchange in plane-parallel plates |
| 08/23/1990 | WO1990009356A1 High energy sensitive photochromic glasses and method for making |
| 08/01/1990 | EP0380468A2 Method for fabricating buried waveguides |
| 08/01/1990 | EP0380138A2 Method of forming optical waveguide |
| 07/26/1990 | DE3924154C1 Prodn. of measurement device - includes ion exchange to exert internal stresses in carrier fixed to base section |
| 07/23/1990 | CA2007001A1 Method for fabricating buried waveguides |
| 05/08/1990 | US4923496 Ion exchanging between fluoride ions in glass and halide ions other than fluorine; high refractive index |
| 04/10/1990 | CA1267575A1 Method of fabricating optical waveguides for the mid- infrared spectrum |
| 04/03/1990 | US4913717 Method for fabricating buried waveguides |
| 03/07/1990 | EP0356644A1 Process for making wave guides on a glas substrate by ionic exchange |
| 02/27/1990 | US4904616 Method of depositing arsine, antimony and phosphine substitutes |
| 02/27/1990 | US4904293 Production of high silica glass microspheres |
| 02/20/1990 | US4902330 Method of producing gradient-index lens |
| 01/31/1990 | EP0352607A2 Arsine, antimony and phosphine substitutes |
| 01/30/1990 | US4897371 Cathode ray tubes |
| 01/23/1990 | CA1264664A1 Glass microspheres |