Reflective surfaces for surface features of an article

US9217714B2 · kind B2 · utility

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: Sep 17, 2013
• Grant date: Dec 22, 2015
• Expiry date: Sep 17, 2033

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N21/9506
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Provided herein is an apparatus, including a photon emitter configured for emitting photons onto a surface of an article; a first reflective surface and a second reflective surface configured to reflect the photons onto the surface of the article; and a processing means configured for processing signals from a photon detector array corresponding to photons scattered from surface features of the article.