Patent ID: 6603254
Filing Date: 2003-08-05
Classification: H01J

Abstract:
An image forming apparatus using a hermetically sealed container comprising:a front substrate provided with an image forming member and a conductive film; a back substrate disposed opposite to said front substrate and provided with an electron source; and an outer frame disposed between said front substrate and said back substrate, with said front substrate, said back substrate, and said outer frame being bonded with an adhesive to form a hermetically sealed space, with said adhesive arranged between said outer frame and said front substrate and between said outer frame and said back substrate, wherein when a ratio W/T of width W and thickness of T of said outer frame is set to an aspect ratio A of said outer frame, 1.5&lE;A, with the width W measured in a direction substantially parallel with planar surfaces of said front and back substrate, and T being in a range 1-10 mm.