In most instances it is necessary to partition a product realization process into a set of design activities. Design decisions are an important type of design activity. In order to ensure that information flows among different design activities are achieved without difficulty, uniform representation of the information is necessary. A design activity template and a solution template are presented in this paper to support the information flow in a design process. Activity template provides an option to describe the design problem so that engineers know exactly what kind of design decision is preferable. Solution template provides an option to describe the design solution. The paper also introduces an approach to manage and deliver design freedom from one engineering team to the other. In mechanical design, it is essential to give engineers a feasible design space so that they can choose the design solutions that best satisfy the design problem. A chip design example is used to illustrate the different concepts presented in this paper for collaborative decision making.

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