Patent ID: 8590902
Filing Date: 2013-11-26
Classification: H01L,Y10T

Abstract:
1. A seal member for internally sealing a depressurized chamber, comprising: a loop portion for sealing around one corner of the depressurized chamber, the loop portion being arranged to enclose said one corner of the depressurized chamber and pressed against internal walls of plates forming said one corner, and the loop portion including a first linear portion; a second linear portion; and a third linear portion, wherein the first linear portion, the second linear portion and the third linear portion form a triangle, and wherein the loop portion is fixed by: a support block held at said one corner of the depressurized chamber, the support block having a support surface to support the loop portion; and a corner pressing member joined to the plates forming said one corner of the depressurized chamber, the corner pressing member securing the loop portion between the support surface of the support block and the corner pressing member.