Process for producing polymer film filters

Details Process for producing polymer film filters Process for producing polymer film filters

1992-02-07

1993-08-10

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156628, 156643, 156654, 156668, 156345, B44C 122, B29C 3700

Patent

active

052345386

ABSTRACT:
Polymer filter film for which pores are etched along beam tracks only in a first, porous region (P1), and which has a second, impermeable region (R1), in particular in the form of a peripheral region. The peripheral region (R1) is made etch-resistant by a heat treatment of the beam tracks. Advantageous embodiments of the method are used to produce microchambers in the film for holding a cell culture. They can advantageously be used for enzymatic sensors and microbiological reactors.

REFERENCES:
patent: 3415993 (1968-12-01), Fleischer et al.
patent: 3852134 (1974-12-01), Bean
patent: 4416724 (1983-11-01), Fischer
patent: 4832997 (1989-05-01), Balanzat et al.

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