2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/55562We compute the Casimir energy between an unusual pair of parallel plates at finite temperature, namely, a perfectely conducting plate ($ε\to\infty$) and an infinitely permeable one ($μ\to\infty$) by applying the generalized zeta function method. We also compute the Casimir pressure and discuss the high and the low temperature limits.RevTex style, 5 pages, no figuresHigh Energy Physics - Theorytext