Inventors:
Steven R. Fischl - Coral Springs FL
Micheal M. Austin - Pompano Beach FL
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
B32B 3116
Abstract:
A multi-faceted energy director (15) is provided for joining two plastic workpieces (12) (14) by an ultrasonic welding method. The energy directors (15) include at least first and second facets (16) (17) arranged in perpendicular fashion, so as to engage two surfaces. A method for joining at least two ultrathin plastic pieces, including the multifaceted energy director, is also provided.