Samsung Venture Investment Group, the investment arm of Samsung Group, and other companies have invested $20 million in ultrafast laser solutions company Raydiance Inc.’s latest growth financing round. The funds will be used to accelerate the Petaluma, Calif.-based company’s consumer electronics efforts and to ramp up manufacturing to meet the demand for its medical device, automotive and other manufacturing customers. Others included in the financing round are existing Raydiance investors Draper Fisher Jurvetson, DFJ-Growth and Greenstreet Partners.