Patent application number | Description | Published |
20100179044 | GLASS SUBSTRATE WITH REFRACTIVE INDEX GRADIENT AND MANUFACTURING PROCESS OF SAME - The present invention relates to a glass substrate comprising at least one ion pattern obtained by a treatment for exchanging the alkali metal ions of the glass with silver ions originating from an outside source, said substrate being formed from a glass having a specific composition and said ion pattern having a variation in the refractive index greater than or equal to 0.03, a depth greater than or equal to 100 μm and a light transmission coefficient at 410 nm (TL | 07-15-2010 |
20110199687 | PROCESS FOR THE MANUFACTURE OF FLAT OPTICAL ELEMENTS AND ELEMENTS THUS OBTAINED - The process according to the invention is based on the simultaneous ion exchange of two ions having an almost identical mobility with the ions of a glass substrate, at least one of the aforementioned two ions being used in the form of an enamel. | 08-18-2011 |
20110209761 | GLAZING WITH LIGHT-CONCENTRATING ZONES BY ION EXCHANGE - This flat mineral glass comprises a first free surface and a second free surface, and comprises groups of zones having a high refractive index (n | 09-01-2011 |
20110266562 | GLASS SUBSTRATE WITH AN ELECTRODE, ESPECIALLY A SUBSTRATE INTENDED FOR AN ORGANIC LIGHT-EMITTING DIODE DEVICE - A glass substrate includes a first side and a second opposite side, and provided, on its second side, with an electrode which is formed by at least one electrically conductive film, the substrate having, over all of its second side, and through a thickness e extending toward the interior of the substrate in the direction of the first side, a refractive index variation, of the glass, obtained by an ion-exchange treatment, the refractive index at the surface being greater than that of the glass located beyond the thickness e. | 11-03-2011 |
20120199116 | SOLAR COLLECTOR - A solar collector, includes a glass sheet; a metal frame or another glass sheet and a metal frame; a seal between the glass sheet or sheets and the metal frame; the metal frame including a wall offset with respect to the seal and/or a wall connected to the seal by a low thermal conductivity material. The invention provides a solar collector which is compact and simple and improves solar radiation transmission. | 08-09-2012 |
20120204861 | SOLAR COLLECTOR - A solar collector, includes a glass sheet provided with a fired metal frit; a metal frame or another glass sheet provided with a fired metal frit and a metal frame; a brazed seal between the metal frit or frits and the metal frame; an absorber and pipes in which a heat-transfer fluid circulates, the pipes being in contact with the absorber, and the absorber and the pipes being placed between the glass sheet and the metal frame or between the two glass sheets. The invention provides a solar collector which is compact and simple and improves solar radiation transmission. | 08-16-2012 |
20120222669 | SOLAR COLLECTOR - A solar collector includes a first wall and a second wall facing one another, which between them delimit a housing, the first wall being transparent and intended to face in the direction of the solar radiation incident upon the collector, and an absorption device for absorbing the energy derived from the solar radiation and positioned in the housing, the absorption device including at least one pipe through which a heat-transfer fluid flows. In addition, the collector includes at least one transparent spacer arranged between the first wall and the absorption device in the region of the pipe. | 09-06-2012 |
20130183512 | GLASS SHEET - A glass sheet, the thickness of which is at most 2 mm, including a surface zone under compression and a central zone under tension, such that the depth at which the transition between compression and tension occurs is at least 100 micrometers, the ratio between the depth and the thickness being at least 0.1, the sheet additionally being such that the flexural stress at break in a “ring-on-tripod” test is at least 70 MPa, after Vickers indentation under a load of 60 N. | 07-18-2013 |
20150030838 | GLASS SHEET - A glass sheet, the composition of which is of the lithium aluminosilicate type and includes at most 1% by weight of sodium oxide, the thickness of which is at most 2 mm, having a surface region under compression obtained by ion exchange and a central region under tension, such that the flexural stress at break in a ring-on-tripod test is at least 50 MPa, after Vickers indentation under a load of 120 N. | 01-29-2015 |