Patent ID: 7241420
Filing Date: 2007-07-10
Classification: B01J,B01L,B41J,B82Y,C40B,G01N,G03F,Y10T

Abstract:
1. A fluidic conduit comprising a spring beam having a fixed portion attached to a substrate and a cantilever portion having a fixed end attached to the fixed portion and having a curvature such that a free end of the cantilever portion is disposed away from the substrate, wherein the cantilever portion of the spring beam includes a first channel structure and a second channel structure extending between the fixed and free ends and defining a first channel therebetween for carrying fluid along the cantilever portion of the spring beam, the first channel running substantially parallel to the curvature of the cantilever portion and extending from the fixed end to the free end, wherein the fixed portion comprises a single-piece construction, wherein the fixed portion of the spring beam includes an internal stress gradient normal to the substrate, and wherein the spring beam comprises one or more of molybdenum (Mo), tungsten (W), titanium (Ti), chromium (Cr), and nickel (Ni).