Abstract
The demand for high precision aspheric lenses has recently been increasing. In this study we will introduce a process that uses a parallel grinding method to produce an aspheric mould made using a super-hard alloy and a correction grinding technique. Also, we will demonstrate the use of different porous resin-bonded diamond whetstones to grind a mould and will review the effects of the different whetstones on precision and surface roughness.
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