Abstract: An arm unit having an improved configuration to simply change stiffness according to varying situations and a robot having the same are provided. The robot includes an arm unit, and a drive unit to drive the arm unit. The arm unit includes a plurality of links to come into rolling contact with one another via at least two regions thereof, and a plurality of wires penetrating the plurality of links to connect the links to one another.

Abstract: Disclosed herein is a variably flexible pipe including at least one flap member having variable flexibility and a tube formed of an elastically deformable material and accommodating the at least one flap member, and a manipulator having the same. The at least one flap member may include a plurality flap parts and a connection part to which one side of each of the plurality of flap parts is connected, and the tube changes pressure applied to the plurality of flap parts according to a controlled change of the inner pressure of the tube, thereby causing the variably flexible pipe to be effectively selectively maintained in a deformed state.

Abstract: An arm unit having an improved configuration to simply change stiffness according to varying situations and a robot having the same are provided. The robot includes an arm unit, and a drive unit to drive the arm unit. The arm unit includes a plurality of links to come into rolling contact with one another via at least two regions thereof, and a plurality of wires penetrating the plurality of links to connect the links to one another.

Abstract: A new process is provided to create openings and interconnect patterns for the dual damascene structure. Four layers of dielectric are sequentially deposited over a pattern of interconnect metal. The via hole pattern is defined, the interconnect line pattern is next defined. The via pattern is etched though the upper layer of dielectric and through the stop layer. Only one etch processing step is used to create the desired vias and the desired interconnect line pattern. After the interconnect patterns and vias have been created in the four layers of dielectric, a barrier layer is blanket deposited, the metal is deposited for the dual damascene structure and the interconnect line pattern and polished.

Abstract: A grease gun device includes a cock body having a piston cylinder and a slot joint. The piston cylinder also includes a seal washer opening and an outlet opening spatially disposed from the seal washer opening. A piston is reciprocatingly engaged in the piston cylinder for moving grease from the slot joint to the outlet opening, wherein a valve mechanism selectively allows grease from the piston cylinder to pass through the outlet opening. A grease supply barrel having a grease opening is engaged with the cock body to supply grease to the piston cylinder, and a sealed piston closes the other end of the grease supply barrel. A jacket is mounted about the grease barrel and connected with the cock body, wherein the diameter of an outermost periphery of the grease barrel is less than an inside diameter of the jacket, such that the grease barrel does not overlap the jacket. A rear cover engages the far end of the jacket.