204980 ⎘
Details of cathode-ray tubes or of electron-beam tubes of the types covered by group; Electrodes; Screens; Mounting, supporting, spacing or insulating thereof; Screens for shielding; Masks interposed in the electron stream Shadow masks for colour television tubes
Sub-classes:SHADOW MASK APPARATUS AND METHODS FOR VARIABLE ETCH DEPTHS
#2Shadow mask apparatus and methods for variable etch depths
#3Fine shadow mask assembly for an active matrix organic light emitting diode (AMOLED) and fine shadow mask assembly manufacturing method
#4Color cathode-ray tube
#5Manufacturing method of color cathode ray tube and exposure device used for the manufacturing method
#6Color cathode-ray tube
#7Colour cathode ray tube with essentially flat screen
#8Tension mask frame for a cathode-ray tube (crt) having transverse scan
#9Shadow mask for Cathode Ray Tube (CRT)
#10Mask assembly for cathode ray tube (CRT)
#11Shadow mask for a cathode ray tube with defined beam passages holes
#12Color picture tube
#13Material for aperture grill color image receiving tube, aperture grill, and color image receiving same
#14Shadow mask for cathode ray tube having predetermined radius of curvature
#15Iron- nickel alloy with low coefficient of thermal expansion for making shade masks
#16Manufacturing method of color cathode ray tube
#17Image display device
#18Material for shadow mask, process for producing the same, shadow mask from the shadow mask material and picture tube including the shadow mask
#19Shadow mask for cathode ray tube
#20Color picture tube and method for manufacturing the same
#21Colour cathode ray tubes
#22Cathode ray tube
#23Color picture tube
#24Color picture tube with curved shadow mask
#25Cathode ray tube
#26Fe-Co-Ni alloy and use for the manufacture of a shadow mask
#27Cathode ray tube
#28Color picture tube
#29Flat cathode ray tube
#30Cathode-ray tube
#31Color cathode ray tube
#32Color cathode ray tube
#33Color cathode ray tube
#34Color cathode ray tube
#35Color cathode ray tube correcting beam landing errors
#36Cathode ray tube
#37Shadow mask for cathode ray tube and manufacturing method thereof
#38Color cathode-ray tube