MgS solar-blind UV radiation detector

US8592935B2 · kind B2 · utility

Assignees

• The Hong Kong University of Science and Technology
• University of Macau · CN

Inventors

• Iam Keong Sou · Kowloon, CN
• Ying Hoi Lai · Hong Kong, CN
• Shu Kin Lok · Tuen Mun, CN
• Wai Yip Cheung · Kowloon, CN
• George Wong · Kowloon, CN
• Kam Weng Tam · Menglun, CN
• Sut Kam Ho · Menglun, CN

Key dates

• Filing date: Jun 5, 2012
• Grant date: Nov 26, 2013
• Expiry date: Jun 5, 2032

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10F71/00

Abstract

A UV detector is designed to provide a photoresponse with a cutoff wavelength below a predetermined wavelength. The detector uses a sensor element having an active layer comprising a MgS component grown directly on a substrate. A thin layer metal layer is deposited over the active layer and forms a transparent Schottky metal layer.