Multitest informs that its installed base of WLCSP contactors is steadily growing and are running high-volume production at subcontractors in China, Taiwan, and Singapore. The company has been shipping WLCSP contactors for the past two years, a relatively short time compared to decades of past shipping contactors for singulated devices. The probes achieve a lifespan of 500,000 to 700,000 insertions in package-test environments and the company sees probes in wafer-level test environments that are lasting 1.5- to 4-million insertions. MULTITEST ELECTRONIC SYSTEMS INC., Santa Clara, CA. (408)-988-6544.