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Application filed by Samsung Electron Devices Co LtdfiledCriticalSamsung Electron Devices Co Ltd
Publication of MY104889ApublicationCriticalpatent/MY104889A/en
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like
(AREA)
Abstract
A MANUFACTURING METHOD FOR AN ELECTRODE OF AN ELECTRON GUN OF CATHODE RAY TUBE IS DISCLOSED WHICH COMPRISES STEPS OF PROGRESSIVE PROCESSINGS BY MEANS OF A PROGRESSIVE DIE, AND IS CHARACTERIZED IN THAT: THE INDIVIDUAL UNITS OF ELECTRODE (20) ON WHICH BEAM PASSING HOLES (21) AND REINFORCING BEADS (22) HAVE BEEN FORMED ARE INDIVIDUALLY CUT OUT BY ONE STROKE OF A PUNCH, LEAVING THE UNNECESSARY PORTIONS TO THE CONTINUOUS LINE STOCK (10); AND A BOLSTER (B) IS INSTALLED DIRECTLY BELOW THE PUNCH. ( FIG. 4 )
MYPI89001774A1989-06-051989-12-15Manufacturing method for electrode of electron gun of cathode ray tube
MY104889A
(en)