2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/219719We report results on a tracking performance study performed using a beam telescope made of 50 micron-thick CMOS pixel sensors on the 1.5 GeV electron beam at the LBNL ALS.4 pages, 2 figures, to appear in the Proceedings of the 2007 International Linear Collider Workshop, LCWS07, DESY, Hamburg, May-June 2007Instrumentation and Detectorstext