hello I am trying to find the etchant of TaAl. Now I use lift-off method to pattern the TaAl. It's a diifficult job and has cleaning problems. I am very glad if you recommend the etchant of TaAl. E-mail : smallest@secns.sec.samsung.co.kr Domestic Tel : 0331-200-8748 011-289-1598 Fax : 0331-200-3307 Foreign Dong-Sik Shim SAMSUNG ELECTRONIC CO., LTD 416,Maetan-3Dong, Paldal-Gu, Suwon city, Kyungki-Do, Korea 442-742 Tel :82-331-200-8748 Fax :82-331-200-3307 [Moderator's note: I excised four lines after "Domestic", above, because they contained non-ASCII characters that were incompatible with the Content-type: of the message as I received it, and which caused some difficulty with my mail reader. CMR]