Patent ID: 6867537
Filing Date: 2005-03-15
Classification: H01J

Abstract:
1. An image forming apparatus comprising: a first plate including electron-emitting devices, said electron-emitting devices being formed in an approximate rectangular region; a second plate disposed to face said first plate; a plurality of spacers disposed between said first plate and said second plate, each of said spacers having a longitudinal axis extending from one side of said rectangle region to an opposite side of said rectangle region, said spacers being disposed so that said longitudinal axes are substantially in parallel with each other; an outer frame hermetically surrounding a space between said first plate and said second plate, wherein ends of each spacer in a longitudinal direction are positioned within an area between said rectangle region and said outer frame; and at least one getter disposed between said first plate and said second plate, said getter being located in a region interposed between a frame side of said outer frame that is positioned across imaginary extensions of the longitudinal axes of said spacers and said ends facing said frame side of said spacers and being interposed between imaginary extensions of the longitudinal axes of the two outermost spacers.