Patent ID: 6712925
Filing Date: 2004-03-30
Classification: B01F,B01L,G01N,Y10T

Abstract:
A method of fabricating a laminated fluidic flow cartridge comprising a sheath flow assembly having a sample flow channel, first and second sheath fluid channels positioned on either side of and converging with said sample flow channel, and upper and lower sheath fluid chambers positioned above and below and conversing with said sample flow channel, the method comprising the steps of:providing at least first, second and third rigid sheets, wherein the walls of said lower sheath fluid chamber are formed in said first rigid sheet, the walls of said sample flow channel and said first and second sheath fluid channels are formed in said second rigid sheet, and the walls of said upper sheath fluid chamber are formed in said third rigid sheet; providing an alignment hole within each of said rigid sheets; stacking said rigid sheets such that said alignment holes are aligned; and adhering abutting surfaces of said rigid sheets, thereby forming said laminated fluidic flow cartridge.