BEIJING- A Chinese professor charged in the United States with economic espionage has been released on bail, US court records show, and his family said he was confident of clearing his name.Zhang Hao was one of six Chinese nationals charged by the US government in May with economic espionage. US authorities said they stole secrets from two companies that develop technology often used in military systems.China's Foreign Ministry said in May that it was strongly concerned about the accusations.US Magistrate Judge Nathanael Cousins in San Jose, California on Tuesday ordered Zhang's release on a $500,000 bond, with the expectation that the professor will not be deported until his criminal case is over, court records show.An employee from Tianjin University's press department confirmed Zhang's release on bail."He's still in America and is staying with his relatives," the employee, surnamed Li, said by telephone. "As for the charges, he will definitely still have to go through the judicial process."In a statement sent by one of his lawyers, Yitai Hu, to Reuters on Friday, his lawyers said Zhang and his family "are grateful for his release."