In situ manufacture of membrane microfilters

Details In situ manufacture of membrane microfilters In situ manufacture of membrane microfilters

B - Operations, Transporting

01

D

B01D 67/00 (2006.01) B01D 39/16 (2006.01) B26F 1/00 (2006.01) B26F 1/24 (2006.01) B29C 59/02 (2006.01)

Patent

CA 2356684

Membrane microfilters are formed in situ in a defined region of a blank (c) by embossing one surface of the defined region (e) of the blank (c) to provide an array of indentations (h), and ablating the material of the blank in the defined region until the indentations become through pores (p). Ablation may be carried out by various means such as chemical etching or laser ablation.

L'invention concerne la fabrication in situ de microfiltres à membrane, formés dans une région définie d'une ébauche (c) par repoussage d'une surface de ladite région (e) afin d'obtenir un réseau de creux (h), et par ablation du matériau de l'ébauche dans la région définie jusqu'à ce que lesdits creux deviennent des pores traversants (p). L'ablation peut être réalisée par différents moyens tels que l'attaque chimique ou l'ablation au laser.

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