570results about How to "Reduce contact" patented technology

A device permits effective engagement of micro-needles with a cutaneous layer thereby to permit for a substance to pass effectively to the cutaneous layer. A flexible or non-flexible material supports an array of micro-needles for receiving the surface of the cutaneous layer so that the proximal ends of the micro-needles pierce to effect a passage of a substance with the micro-needles to the cutaneous layer. A passageway or bladder acts on the substrate to cause the proximal ends of the micro-needles to pass to the cutaneous layer for passage of a substance associated with the micro-needles to the cutaneous layer. The bladder includes apertures located about and spaced from the micro-needles such that suction transmitted though the apertures. The micro-needles are mounted with a movable first substrate. In one form, the first substrate includes a surface with concavities and the micro-needles are mounted in the concavities, and the apertures are located in the concavities. In another form the surface is substantially flat. There can be a third layer spaced relative to the second substrate layer at least partly forming a chamber between the second layer and third layer. There can be a biasing device for urging the first substrate from the cutaneous layer.

A device permits effective engagement of micro-needles with a cutaneous layer thereby to permit for a substance to pass effectively to the cutaneous layer. A flexible or non-flexible material supports an array of micro-needles for receiving the surface of the cutaneous layer so that the proximal ends of the micro-needles pierce to effect a passage of a substance with the micro-needles to the cutaneous layer. A passageway or bladder acts on the substrate to cause the proximal ends of the micro-needles to pass to the cutaneous layer for passage of a substance associated with the micro-needles to the cutaneous layer. The bladder includes apertures located about and spaced from the micro-needles such that suction transmitted though the apertures. The micro-needles are mounted with a movable first substrate. In one form, the first substrate includes a surface with concavities and the micro-needles are mounted in the concavities, and the apertures are located in the concavities. In another form the surface is substantially flat. There can be a third layer spaced relative to the second substrate layer at least partly forming a chamber between the second layer and third layer. There can be a biasing device for urging the first substrate from the cutaneous layer.

A method for in-line monitoring of via / contact etching process based on a test structure is described. The test structure is comprised of via / contact holes of different sizes and densities in a layout such that, for a certain process, the microloading or RIE lag induced non-uniform etch rate produce under-etch in some regions and over-etch in others. A scanning electron microscope is used to distinguish these etching differences in voltage contrast images. Image processing and simple calibration convert these voltage contrast images into a “fingerprint” image characterizing the etching process in terms of thickness over-etched or under-etched. Tolerance of shifting or deformation of this image can be set for validating the process uniformity. This image can also be used as a measure to monitor long-term process parameter shifting, as well as wafer-to-wafer or lot-to-lot variations. Advanced process control (APC) can be performed in-line with the guidance of this image so that potential electrical defects are avoided and process yield ramp accelerated.

A device capable of capturing and facilitating the removal of a thrombus in blood vessels (or stones in biliary or urinary ducts, or foreign bodies) uses a soft coil mesh with the aid of a pull wire or string to engage the surface of a thrombus, and remove the captured thrombus. The soft coil mesh is formed by an elongated microcoil element that forms the helical elements of a macrocoil element. The microcoil element provides a relatively elastic effect to the helical elements forming the macrocoil and allows for control of gripping forces on the thrombus while reducing non-rigid contact of the device with arterial walls. The use of multiple coil mesh elements, delivered through a single lumen or multiple lumens, preferably with separate control of at least one end of each coil, provides a firm grasp on a distal side of a thrombus, assisting in non-disruptive or minimally disrupted removal of the thrombus upon withdrawal of the device.

A method and system for limiting the motion of items, such as camera optics, are disclosed. A motion limiting member can be used to limit the motion of the item using a surface thereof that abuts a structure of the item. Limits on the motion can be defined by a positioning member that is attached to the motion limiting member and that abuts a structure that is fixed with respect to the desired range of motion of the item whose motion is being limited. This abutment facilitates the precise definition of the limit on the motion of the item.