Apple has extended its contract with Liquidmetal Technologies, giving the Cupertino manufacturer exclusive rights to its alloys through February of 2015. All intellectual property acquired or developed by the Liquidmetal Technologies and all intellectual property held by Crucible Intellectual Property is now under the control of Apple for use only in its devices. Liquidmetal claims a number of advantages to its alloys, including extra toughness, elasticity and a superior strength-to-weight ratio.