optical device comprising a substrate beta-eucryptite or of fused silica, an optical component and a seal by fusion comprising a glass frit low melting and grinding aid.

摘要

OPTICAL DEVICE DESCRIBED AND METHOD FOR PRODUCING THIS DEVICE. The device comprises a substrate having a thermal expansion coefficient close to zero, or negative and an optical component affixed to the substrate with fastenings FUSION, BEING CLOSE THE PRODUCT fused glass frit LOW TEMPERATURE MELTING HAVING CTE ADDING POSITIVE AND gRINDING OF A GLASS A CERAMIC HAVING NEGATIVE CASH CTE.