Patent · US Active

Apparatus for filtering species

US9638625B2 · kind B2 · utility

2Cited by

4References

13Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Ansoon Kim · Mountain View, US
Zhiyong Li · Foster City, US
Wei Wu · Palo Alto, US

Key dates

Filing date	Oct 27, 2011
Grant date	May 2, 2017
Priority date	—
Expiry date	Aug 11, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/651
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An apparatus for filtering species in a fluid includes a body having a first side and a second side, a first set of nano-fingers positioned on the body near the first side, a second set of nano-fingers positioned on the body closer to the second side than the first set of nano-fingers, wherein the nano-fingers in the second set of nano-fingers are arranged on the body at a relatively more densely than the nano-fingers in the first set of nano-fingers, and a cover positioned over the first set of nano-fingers and the second set of nano-fingers to form a channel with the body within which the first and second sets of nano-fingers are positioned.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.