Inphi Corp. is expected to become a public company this month when shares are offered in an initial public company. The high speed semiconductor manufacturer announced in June it would go public. The firm is expected to sell 6.8 million share at between $10 and $12 a share. Inphi is based in Santa Clara and has regional facilities in Westlake Village. The company was founded in 2000 and makes semiconductors used in connecting analog signals and digital information in high-performance systems. Mark R. Madler