Patent ID: 7791262

Claim:
A vacuum vessel, comprising: a first substrate; a second substrate facing the first substrate and spaced apart therefrom; and a plurality of rectangular support frames, each having at least four sides and two ends, separately arranged along all edges of the first and the second substrates, at least two pairs of the rectangular support frames being separately arranged on at least two respective pairs of sides of the first and the second substrates: wherein each end of the rectangular support frames facing an end of another rectangular support frame has a filler between the end of the rectangular support frames and the end of another rectangular support frame; wherein each end of the rectangular support frames facing a side of another rectangular support frame has a filler between the end of the support frames and the side of another rectangular support frame; and wherein each end of the plurality of rectangular support frames is perpendicular to the first and second substrates and is perpendicular to all sides of its respective abutting rectangular support frame.