▎ 摘　　要

NOVELTY - The method involves exposing a first side of a sheet comprising a LIG (103) precursor material to a first laser source. The exposing on the first side results in formation of LIG on the first side of the sheet. The LIG is derived from the LIG precursor material. The second side of the sheet is treated and the second side of the sheet is on the opposite side of the first side of the sheet. The LIG on the first side of the sheet and the step of treating on the second side provide porosity to the sheet such that the sheet is capable of flowing air through the LIG from the first side to the second side. The some of the LIG precursor material on the first side of the sheet is not formed into LIG and is operable to support the LIG formed on the first side. USE - Method of making a filter with laser induced graphene (claimed) and used for reducing the risk of pathogen transmission in transportation systems, such as commercial aircraft, trains, and buses, to prevent long-distance spread and transfer of diseases carried and introduced by the high flux of passengers from various origins. ADVANTAGE - The direct-write capability allows for a variety of geometries and configurations to be formed, which enables the formation of mechanically robust, free-standing laser induced graphene membranes. The micro- porous filter enables simultaneous application of contaminant removal and disinfection strategies. The laser induced graphene has received much attention since it enables simple and rapid synthesis of a porous graphene film. The alternating hexagonal pattern yields excellent rigidity and mechanical strength, while preserving the continuity of the laser induced graphene that ensures high electrical conductivity. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a laser induced graphene filter; and (2) a laser induced graphene film. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic of the double-sided lasing process that leads to the formation of a porous laser induced graphene filter supported by a polyimide lattice. Laser induced graphene (103)