Injection plunger package for a microfluidic analysis system and method and multi-cavity injection mold for its manufacture

摘要

The invention relates to an injection ram package (10) for emptying reagent bar chambers (30a-c) in a microfluidic analysis system (20), having a plurality of injection rams (11a-c) which are arranged on a carrier plate (12). The injection rams (11a-c) have an arithmetic mean roughness value of less than 100 nm and are manufactured in one piece with the carrier plate (12). The microfluidic analysis system (20) has a plurality of cavities (22a-c), each of which is designed to accommodate a reagent bar and each of which is delimited by a membrane (23). The injection ram pack (10) is arranged in such a way that each injection ram (11a-c) faces a membrane (23). The injection ram assembly (10) is produced by injection molding.