Partition-wall structure for plasma display panel and plasma...
Photomultiplier assembly having universal alignment means
Pinch and base structure for single-ended lamps
Planar AC plasma panel
Plasma display apparatus incorporating combined heatproof...
Plasma display panel
Plasma display panel with curved partition wall
Plasma display screen for displaying a matrix of luminous points
Plume shield for ion accelerators
Polycrystalline alumina material
Pre-ignition gap