Patent ID: 11914287
Assignee: ENTEGRIS, INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A pod for transporting reticles comprising:
a cover; and
an inner base plate configured to cooperate with the cover to establish a space for mounting a reticle, the inner base plate including
a hole having a perimeter,
a first flange extending inward from the perimeter and having a mounting surface,
a second flange extending inward from the perimeter, and
a window assembly configured to be mounted in the hole, the window assembly having
a transparent plate with inner, outer and side planar surfaces, the inner surface configured to contact the mounting surface,
a seal contacting the outer or side planar surface of the transparent plate and configured to contact the perimeter of the hole and to seal an interface between the window assembly and the hole, and
a retainer configured to contact the second flange and to retain the seal and transparent plate within the hole;
wherein the hole is formed with an undercut area extending outward into the perimeter to receive the retainer.