Patent ID: 7389872

Claim:
A clean room enclosure for a portable computer, the computer having a keyboard portion and a screen portion connected by a hinge foldable between closed and open positions, the screen portion being disposed in a lid having a front side containing the screen, a back side opposite the screen, a top edge opposite the hinge and side edges between the top edge and the hinge, the enclosure comprising: a flexible sleeve for receiving the keyboard portion of the portable computer, the sleeve having an opening through which the keyboard portion is inserted and removed, a transparent panel portion for viewing and operating the keyboard and a gas permeable vent portion restricting flow of contaminant particles; a flexible flap extending from the flexible sleeve continuously from the hinge, along the lid back side, over the lid top edge and around the lid front side and wrapping around and over the screen portion of the portable computer, the flexible flap having a transparent portion for viewing the screen; and a reclosable seal adjacent a side edge of the lid between the front and back sides for securing the flexible flap around the screen portion whereby the enclosure restricts passage of contaminant particles from the computer.