Substantially transparent hinged substrate apparatus

A portable computer comprising:

• a screen housing;
• a keypad housing including an integrated keypad, the screen housing and the keypad housing movable with respect to one another to allow for an open configuration and a closed configuration of the portable computer;
• a substantially transparent substrate pivotably coupled to the personal computer, the substantially transparent substrate movable, when the portable computer is in the open configuration, to a first position to cover at least a portion of the screen housing and movable to a second position to cover at least a portion of the keypad housing, the substantially transparent substrate to prevent accidental user input to the portable computer while in the second position;
• and
• a substrate hinge mechanism to couple the screen housing to the keypad housing and the substantially transparent substrate between the screen housing and the keypad housing, the substrate hinge mechanism comprising a seating component having a slotted area operative to receive and seat the substantially transparent substrate, the substantially transparent substrate removable from the substrate hinge mechanism.