Thick-Film Ceramic Electronic Substrate Last Updated on 3 июня, 2021 by You Ling Are plates with Material: Alumina Dimensions: 1.00 "x 1.00"x 0.040" Width & Length Tolerance to be +0.008 "/ -0.002" Thickness Tolerance to be ± 0.004″ 1″=25.40mm Alumina is the material of choice for most thick-film ceramic substrates — delivering durable, cost-effective performance for hybrid electronic circuits with proven reliability. Contact us today