B - Operations – Transporting – 81 – C
Patent
B - Operations, Transporting
81
C
B81C 1/00 (2006.01) A61B 5/15 (2006.01) A61M 5/32 (2006.01) A61M 37/00 (2006.01)
Patent
CA 2749347
A method of producing projections on a patch including providing a mask on a substrate and etching the substrate using an etchant and a passivant to thereby control the etching process and form the projections, wherein the passivant does not include oxygen.
L'invention porte sur un procédé de fabrication de saillies sur un timbre transdermique, comprenant la disposition d'un masque sur un substrat et la gravure du substrat à l'aide d'un agent de gravure et d'un agent de passivation afin de contrôler ainsi le processus de gravure et de former les saillies, l'agent de passivation ne comprenant pas d'oxygène.
Jenkins Derek William Kenneth
Kendall Mark Anthony Fernance
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
The University Of Queensland
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