Patent ID: 11874252
Assignee: MOBILION SYSTEMS, INC.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 2:
3. The apparatus of claim 1, comprising a pre-filter region and an accumulation region positioned between the switch and the first separation region,
wherein the pre-filter region is configured to receive the first portion of the ions from the switch and perform a first ion mobility filtering operation on the first portion of the ions to separate the first portion of the ions into a first group of ions and a second group of ions based on mobility of the ions,
wherein the accumulation region is configured to receive the first group of ions from the pre-filter region, accumulate the first group of ions into a packet, and release the packet into the first separation region, the first separation region configured to separate the ions based on mobility of the ions, and
wherein the pre-filter region is configured to selectively reduce the amount of ions provided to the accumulation region and increase the amount of time the accumulation region can accumulate ions.