fig20
From: Applications of flexible polyimide: barrier material, sensor material, and functional material
![Applications of flexible polyimide: barrier material, sensor material, and functional material](https://image.oaes.cc/20a85a8b-3151-4a16-8895-9df1ea8f96a1/5339.fig.20.jpg)
Figure 20. Construction diagram of calorimetric gas sensor (catalyst on left; no catalyst on the right; temperature difference between two sides during measurement)[107].