A method and apparatus for preparing a bone graft composite using an infusion chamber. A method for producing an integrated circuit includes forming an insulating layer overlying a substrate, where the insulating layer is formed within a trench. Two methods are direct calculation methods that use the results from an MDSC experiment used with model equations to calculate the contact thermal resistance. After an appropriate settling time and after a transmission of an alignment primitive, the controller can complete the dummy transaction by issuing a no-op.