Dear Colleagues, We are preparing PZT ceramic tubes and are anxious to know the way to coat interial and outside electrodes. If anyone knows about the following questions, could you please kindly answer me? (1) Electrode materials are used for commercial PZT tubes. (2) Ways to coat the electrodes. (3) Equipments used to do the above. Any suggestion is highly appriciate. Thanks and regards. Kong Lingbing Ceramic Lab 1, SAS, NTU, Singapore 639798 Email: elbkong@ntu.edu.sg