US Patent 7819235 Venturi vacuum generator on an electric component handler

At least one venturi generator is provided for use with an electrical circuit component handler. The handler includes a stationary vacuum plate and a test plate. The vacuum plate includes vacuum channels, and the test plate includes test seats. The venturi generator is operative to create a vacuum pressure passed to the vacuum channels on the stationary vacuum plate and is used to draw electronic components into test seats on the test plate. The venturi generator may be the exclusive source of vacuum pressure or may supplement another vacuum source.