METAL CAPILLARY PROVIDED IN END PORTION WITH WATER-REPELLENT OUTER CIRCUMFERENTIAL SURFACE

WIPO Patent Application WO/2020/013344

A1

[Problem] To provide a metal capillary which is provided in a region in the vicinity of an end portion thereof with a highly water-repellent surface, and which is particularly useful as a micro-pipette or a micro-syringe. [Solution] This metal capillary includes, in order from an inner circumferential side, a first tubular noble metal plated layer, a tubular base metal plated layer in which a rough surface having irregularities is formed on an outer circumferential surface in a region in the vicinity of an end portion thereof, and a second tubular noble metal plated layer having a rough surface in which irregularities are provided on an outer circumferential surface thereof, in the region in which the rough surface is formed on the tubular base metal plated layer, wherein a water-repellent self-assembled monolayer membrane is formed on the outer circumferential surface of the rough surface having irregularities, in the second tubular noble metal plated layer.

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MIYAHARA SHOICHI (JP)
TAKO SHINYA (JP)
NAKAYAMA MASAHIRO (JP)

PCT/JP2019/027871

January 16, 2020

July 16, 2019

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NAKAYAMA PRECIOUS METAL PLATING (JP)

B32B9/00; B32B1/08; B32B15/04; C23C28/00; C25D1/02; C25D5/10; C25D5/16

WO2018131709A1

2018-07-19

JP2010504428A	2010-02-12
JP2004115838A	2004-04-15
JP2017125224A	2017-07-20
JP2002256446A	2002-09-11

YANAGAWA, Yasuo (JP)

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