OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER

To provide an optical member in which crystallization is suppressed and which has a porous glass layer on a base material. An optical member has a base material 1 and a porous glass layer 2 which is formed on the base material 1 and has a three-dimensional through pore, in which the existence ratio...

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Bibliographische Detailangaben
Hauptverfasser:	MASUBUCHI TOMOAKI, KOTANI YOSHINORI, SUGIYAMA AKIRA, ZHANG ZUYI, TAKEI AKIKO, KAKEGAWA NORISHIGE, KOKETSU NAOYUKI, TAKASHIMA KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY MINERAL OR SLAG WOOL NANOTECHNOLOGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide an optical member in which crystallization is suppressed and which has a porous glass layer on a base material. An optical member has a base material 1 and a porous glass layer 2 which is formed on the base material 1 and has a three-dimensional through pore, in which the existence ratio of crystals of 0.2 micrometer or more in the porous glass layer 2 is 1.0% or lower.