Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP13831476ApriorityCriticalpatent/JPS5363864A/en
Publication of JPS5363864ApublicationCriticalpatent/JPS5363864A/en
Formation Of Various Coating Films On Cathode Ray Tubes And Lamps
(AREA)
Abstract
PURPOSE: Between a dot light source and a panel surface, several conic prisms are arranged adjoining one another, thereby obtaining matrix holes and fluorescent dots, which are smaller than the aperture of a shadow mask, without a ring light source.
COPYRIGHT: (C)1978,JPO&Japio
JP13831476A1976-11-191976-11-19Exposure method for fluorescent screen
PendingJPS5363864A
(en)