FORMOSA MICROSEMI CO. LTD was founded on July 1996. The original founder and chairman of the board, madam Irene Yang , worked at quality control department of an American company -General Semiconductor Co. in 1970s. Then she changed to Rectron CO.,Ltd. to be in an office of a deputy manager of the production department and a factory manager, etc. In 1986, she established DII TAIWAN CO., LTD. (The said company now belongs to the Liton Group). Afterwards, she also established MicroSemi TAIWAN Co., LTD. (The said company is an affiliated company invested in Taiwan by an American listed company) as the general manager. She has involved in semiconductor manufacturing for more than twenty years. Due to personal health reason, chairman Yang transferred most of her stock shares to present the board chairman & general manager, Mr. Ben W.P. Huang , in July 1997.