Methods of manufacturing test strips are disclosed. Embodiments include laminating a two piece covering layer over a substrate with a series of cavities, wherein the two pieces are separated by a gap, the gap forming a vent opening for the cavities. Other embodiments include covering the sample receiving...http://www.google.fr/patents/US8119414?utm_source=gb-gplus-shareBrevet US8119414 - Test strip with slot vent opening