Purpose: to make a collection microscope to observe specimen.

1. Make the observed material into thin film, easy to light and easy to observe;
2. The specimens are relatively fixed;
3. It is convenient to use the capillary phenomenon to form a gradient when adding various reagents (dyes, acids and salt solutions);
4. Avoid contamination of specimens.

Specifications:18 x 18 mmThe thickness of the0.13 0.17 mm 20 * 20 22 * 22 and 24 * 24 24 24 * 50 * 32