EXPOSURE LENS AND ITS MANUFACTURE

PROBLEM TO BE SOLVED: To prevent a yellowing phenomenon of discoloration caused by ultraviolet rays emitted by a light source in exposing operation and prevent the life of an exposure lens from becoming short as much as possible by providing a means which suppresses the transmission of ultraviolet r...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GO JIYUNSHIYOKU, KAN TOUKI, CHIYOU INKOU, KAN KISHIYU
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!