Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Publication of NL293135ApublicationCriticalpatent/NL293135A/xx
H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
H01J9/233—Manufacture of photoelectric screens or charge-storage screens
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/00—Stock material or miscellaneous articles
Y10T428/249921—Web or sheet containing structurally defined element or component
Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
Y10T428/249961—With gradual property change within a component
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Formation Of Various Coating Films On Cathode Ray Tubes And Lamps
(AREA)
Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes
(AREA)