Abstract: Methods, systems, and devices for free-space optical communications. An aircraft includes a flat optical communication terminal on an external surface of the aircraft, the flat optical communication terminal being configured to communicate with a ground station via a free-space optical communication link.

Abstract: Methods, systems, and devices for free-space optical communications. An aircraft includes a flat optical communication terminal on an external surface of the aircraft, the flat optical communication terminal being configured to communicate with a ground station via a free-space optical communication link.

Abstract: A structure and method for fabricating an integrate circuit crown structure for use in a DRAM cell on a substrate comprising a common source/drain region (18) disposed within a substrate (12), the common source/drain region (18) connected to a bitline (22), a gate oxide (28) disposed over the common source/drain region (18) and forming at least two wordline gates (30), at least two storage node source/drains (20) adjacent to said gates (30) and contacted by storage node contacts (38) and a storage node bowl (36), the bowl being formed within adjacent supporting layers formed over said wordline gates wherein the storage node bowl (36) is formed, and electrically isolated from, the bitline (22) without being exposed to etching agents during its formation and without forming a wine glass stem structure and a crown extending from the top of the storage node bowl (36), is disclosed.

Abstract: A structure and method for fabricating an integrated circuit crown structure for use in a DRAM cell on a substrate comprising a common source/drain region (18) disposed within a substrate (12), the common source/drain region (18) connected to a bitline (22), a gate oxide (28) disposed over the common source/drain region (18) and forming at least two wordline gates (30), at least two storage node source/drains (20) adjacent to said gates (30) and contacted by storage node contacts (38) and a storage node bowl (36), the bowl being formed within adjacent supporting layers formed over said wordline gates wherein the storage node bowl (36) is formed, and electrically isolated from, the bitline (22) without being exposed to etching agents during its formation and without forming a wine glass stem structure and a crown extending from the top of the storage node bowl (36), is disclosed.

Abstract: A putt practice device includes an elongated, thin, planar base having a carpeted upper surface, a putting end, and a target end. A pair of spaced rows of pegs extend upwardly from the planar base. Caps consisting of cut off golf tees having holes drilled into their lower ends are placed on the two rows of pegs, defining a putting path along which a sufficiently accurately putted golf ball can roll without touching any of the modified golf tees on either side. A removable ball stop is attached to a pair of the pegs at the target end of the putt practice device. The putt practice device also can be utilized on a putting green by removing the ball stop, and aiming the longitudinal axis of the putt practice device toward a hole on the putting green. If the surface of the putting green is sloped, the orientation of the practice putting device can be aimed to one side or the other of the target hole to compensate for slope in the putting green surface.

Abstract: A kit for forming a secondary confinement installation for protecting earth from contamination due to leakage and spills from pipelines in small installations, such as service stations. The kit includes long trough sections and short connector sections with joints therebetween which maintain a level floor. The connector sections may have various shapes, such as right angle sections, half-right angle sections, T-sections, as well as a few special purpose sections. The special purpose sections include a sump section located at the low point of the installation, a dispenser unit section intended to provide catch basis for fluid dispensers and box sections which protect pipe egress zones at storage tanks.

Abstract: An industrial vacuum cleaning apparatus adapted for cleaning gravel and dirt from building roof tops while the unit is disposed on the ground including a vacuum container, a dumping container, a valve disposed between the latter two containers which opens intermittently in a timed sequence, a water filter unit for filtering contaminated air before exhausting it to the atmosphere and a programmed air control system for sequentially actuating various portions of the apparatus.