Asia Tech Wire (Oct 9) -- Japanese X-ray testing tool maker Rigaku will raise up to $870 million in an IPO, according to Reuters.

Rigaku, which is backed by the Carlyle Group, has tentatively set a price range of 1,230 to 1,260 yen per share for its Tokyo IPO.

Wednesday's report said Rigaku will decide its final IPO price on October 17th.