Organic Membranes for Selectivity Enhancement of Metal Oxide Gas Sensors

Figure 3

(a) Construction of polymer support: (A) stainless steel plates with an inner diameter of 6.4 mm, an outer diameter of 12 mm, and a height of 1.6 mm are used as substrates; (B) addition of a two-component epoxy adhesive (EPO-TEK H70E Company Epoxy Technology Inc.); (C) placing of the polymer membrane; (D) pressing of a second stainless steel plate and curing of the adhesive for two hours at 80°C. (b) Photo of polymeric carriers with membranes of PI, PTFE, and PEEK.

(a)

(b)