Abstract
Diffractive optical elements (DOE) can be used to simplify optical systems such as lightening its mass, reducing elements numbers and so on. Single-crystal diamond is considered as the preferred tool materials in ultra-precision and nanometer-scale cutting operation. Due to the well known and exceptional difficulty in shaping, the fabrication of diamond cutting tools requires special processing method. As a highly efficient and cost-effective solution, the mechanical lapping process has been extensively applied in tool-making industry. In this paper, the key enabling technologies to design and fabricate the diamond-cutting tools for ultra-precision and submicronic machining are presented and reviewed. The paper describes the shape of micro cutting tool that is based on the finite element method of calculation of relief angle and rake angle.
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