Preparation of Na+-selective electrodes by ion-implantation of lithium and silicon into single-crystal alumina wafer and its application to the production of ISFET
1. Department of Industrial Chemistry, Faculty of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan 2. Institute of Vocational Training, 1960, Aihara, Sagamihara-shi, Japan