Wednesday, December 16, 2009
Cheapskate husbands-to-be the world over have reason to celebrate today, after a Japanese company unveiled what is supposed to be the world's smallest diamond ring.
The ring has a 0.02 millimeter diameter and bears a five-billionth of a carat diamond. The ring can only be seen through a microscope.
Hitachi High-Technologies says it used technology usually used to produce semiconductors to make the ring.
It was created by Yasushi Kuroda, an employee of the company's subsidiary Hitachi Science Systems, to demonstrate that the company's equipment can be used to make micro-machines.
Kuroda took just two hours to make the ring using equipment with gallium ion beams which is usually used to inspect and manufacture semiconductor chips.
The ring was made from tungsten wire from light bulbs and the diamond, 0.01 millimeters in diameter, was from polishing powder, the officials said.
A digital microscope photo of the ring won the gold award at this year's Asia-Pacific Conference on Electron Microscopy.
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