Patent · US Active

Devices to detect a substance and methods of producing such a device

US9709538B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

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

Inventors

Wei Wu · Palo Alto, US
Zhiyong Li · Foster City, US
Ansoon Kim · Mountain View, US
Min Hu · Singapore, SG
Michael Josef Stuke · Palo Alto, US

Key dates

Filing date	Sep 30, 2011
Grant date	Jul 18, 2017
Priority date	—
Expiry date	Jan 24, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/25
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Devices to detect a substance and methods of producing such a device are disclosed. An example device to detect a substance includes a housing defining an externally accessible chamber and a seal to enclose at least a portion of the chamber. The example device also includes a substrate includes nanoparticles positioned within the chamber. The nanoparticles to react to the substance when exposed thereto. The example device also includes a non-analytic solution within the chamber to protect the nanoparticles from premature exposure.

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