Patent · US Active

Reflective surfaces for surface features of an article

US9863876B2 · kind B2 · utility

1Cited by

12References

19Claims

0Family size

Assignee

Seagate Technology LLC · US

Inventors

Joachim Walter Ahner · Livermore, US
David M. Tung · Livermore, US
Stephen Keith McLaurin · Sunnyvale, US
Travis W. Grodt · Martinez, US

Key dates

Filing date	Nov 6, 2015
Grant date	Jan 9, 2018
Priority date	—
Expiry date	Nov 6, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG01N21/9506
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Provided herein is an apparatus including a photon emitter configured for reflecting photons from a surface of an article onto a first reflective surface. In addition, a second reflective surface is configured for reflecting photons from the surface of the article back onto the surface of the article. The apparatus also includes a detector configured to provide information corresponding to photons scattered from features of the article.

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