Deposition Sciences Inc. (DSI), manufacturer of thin-film optical coatings located in Santa Rosa, Calif., has announced the appointment of sales representatives in both Europe and Asia. Schott France will represent DSI in Belgium, France, Luxembourg and Spain. APL Japan Co. will cover all lighting applications in China, Japan, Korea and Taiwan, while Komasa Inc. will represent DSI sales for all nonlighting applications in Japan. K.E. International Co. of Taiwan will handle all nonlighting sales and applications in Taiwan, China and Korea.