Abstract: A helmet mounted display (HMD) system comprising (i) a display device adapted to be positioned between an eye of a person wearing the helmet and a vision-related device; and (ii) a step-in visor which is positioned between the eye of the user and the display device. The vision-related device is removably attached to an accessory joint so that it can be interchanged between an outer visor for use during the day and night vision goggles for use during the night.

Abstract: A helmet mounted display (HMD) system comprising (i) a display device adapted to be positioned between an eye of a person wearing the helmet and a vision-related device; and (ii) a step-in visor which is positioned between the eye of the user and the display device. The vision-related device is removably attached to an accessory joint so that it can be interchanged between an outer visor for use during the day and night vision goggles for use during the night.

Abstract: A helmet mounted display (HMD) system comprising a display pod having a light wave optical element. The display pod is designed to be attached to a base plate located above the brow of a helmet using opposing hook and loop-style fastener pads or alternatively, a pair of locking disks. The mounting position of the display pod is adjustable within three degrees of freedom, including lateral positioning along a plane that is co-planar to a mounting surface for the display pod, as well as rotation about an axis that is perpendicular to the mounting surface. The HMD system is adapted to compensate for variations in mounting position using a bore sighting adjustment.

Abstract: A helmet mounted display (HMD) system comprising a display pod having a light wave optical element. The display pod is designed to be attached to a base plate located above the brow of a helmet using opposing hook and loop-style fastener pads or alternatively, a pair of locking disks. The mounting position of the display pod is adjustable within three degrees of freedom, including lateral positioning along a plane that is co-planar to a mounting surface for the display pod, as well as rotation about an axis that is perpendicular to the mounting surface. The HMD system is adapted to compensate for variations in mounting position using a bore sighting adjustment.

Abstract: A method of making an integrated circuit wherein a subcollector diffusion mask is formed on a semiconductor wafer. A principal impurity of a predetermined conductivity type is then diffused through windows in the mask and into the wafer to form subcollector regions spaced from each other. A compensating impurity of a conductivity type opposite that of the principal impurity is then diffused through the same mask windows into the subcollector regions to a relatively shallow depth. An epitaxial layer is then grown on the wafer during which an amount of the principal impurity diffuses from the subcollector regions into the gas and then into the epitaxial layer and the wafer in areas thereof exterior to the peripheries of the subcollector regions thereby resulting in an autodoping effect. However, the compensating impurity simultaneously diffuses into the exterior areas so as to compensate approximately for the principal impurity and thereby to counteract the autodoping effect of the principal impurity.