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A platform for research: civil engineering, architecture and urbanism
Method for the siliceous bonding of coated and uncoated optical bodies
The present invention pertains to a process for the silicate bonding of joined surfaces, facing one another, of two components by means of an aqueous, alkaline, silicon-cation-containing joining solution for the purpose of producing an optical element, characterized in that one or both of said joined surfaces (1; 2b; 10) are covered with a layer of an oxide (3), which has a higher refractive index than SiO2 and is selected from among oxides of the third and fourth main group elements, of the second and third group of the transition elements as well as zirconium and from among mixed oxides of the said elements, whereupon the joining solution is applied to at least one of the surfaces to be joined and the surfaces are bonded to one another. The present invention also teaches the use of oxide layer (3) as a topmost layer of a component to be joined by means of an alkaline, silicate-containing solution for preventing or reducing opacifications and/or defects as a result of a chemical attack on the layer lying under it by the said alkaline solution.
Method for the siliceous bonding of coated and uncoated optical bodies
The present invention pertains to a process for the silicate bonding of joined surfaces, facing one another, of two components by means of an aqueous, alkaline, silicon-cation-containing joining solution for the purpose of producing an optical element, characterized in that one or both of said joined surfaces (1; 2b; 10) are covered with a layer of an oxide (3), which has a higher refractive index than SiO2 and is selected from among oxides of the third and fourth main group elements, of the second and third group of the transition elements as well as zirconium and from among mixed oxides of the said elements, whereupon the joining solution is applied to at least one of the surfaces to be joined and the surfaces are bonded to one another. The present invention also teaches the use of oxide layer (3) as a topmost layer of a component to be joined by means of an alkaline, silicate-containing solution for preventing or reducing opacifications and/or defects as a result of a chemical attack on the layer lying under it by the said alkaline solution.
Method for the siliceous bonding of coated and uncoated optical bodies
KALKOWSKI GERHARD (author) / FABIAN SIMONE (author) / JAHNKE CHARLOTTE (author) / EBERHARDT RAMONA (author) / SCHUERMANN MARK (author)
2016-01-12
Patent
Electronic Resource
English
IPC:
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
B05D
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
,
Verfahren zum Aufbringen von Flüssigkeiten oder von anderen fließfähigen Stoffen auf Oberflächen allgemein
/
C03C
Chemische Zusammensetzungen für Gläser, Glasuren oder Emails
,
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS
/
C04B
Kalk
,
LIME
/
C09J
ADHESIVES
,
Klebstoffe
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