Patent ID: 7839071

Claim:
A vacuum container frame comprising: a first substrate having a planar surface; a second substrate having a planar surface arranged to face the planar surface of said first substrate; a plate-like spacer disposed between said first substrate and said second substrate, with said spacer extending in a longitudinal direction substantially parallel with the planar surfaces; supporting members fixed to both ends of said plate-like spacer in the longitudinal direction such that a gap is provided between said supporting members and the planar surface of said first substrate or a member disposed on the planar surface of said first substrate and such that surfaces of said supporting members which face the planar surface of said first substrate or the member disposed on the planar surface of said first substrate are positioned further away from the planar surface of said first substrate or the member disposed on the planar surface of said first substrate than a surface of said plate-like spacer which faces the planar surface of said first substrate or the member disposed on the planar surface of said first substrate; connecting members for connecting each of said supporting members to the surface of said first substrate or to the member disposed on the surface of said first substrate; and peripheral side walls disposed between said first and second substrates.