Particle detector and method of making the same

US9923115B2 · kind B2 · utility

Assignee

• Lithium Innovations Company, LLC · US

Inventors

• Ford B. Cauffiel · Toledo, US
• Alvin D. Compaan · Maumee, US
• Victor V. Plotnikov · Toledo, US
• Ambalanath Shan · Toledo, US
• Anthony J. Matthews · Toledo, US
• Robert D. Fisher · Melrose Park, US
• Song Cheng · Tucson, US

Key dates

• Filing date: Oct 28, 2016
• Grant date: Mar 20, 2018
• Expiry date: Oct 28, 2036

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10F77/306
• WIPO field: Environmental technology
• WIPO sector: Chemistry

Abstract

A particle detector includes a support member. A front electrode layer is disposed over the support member. A semiconductor heterojunction is disposed over the front electrode layer. The semiconductor heterojunction has at least a polycrystalline n-type layer and at least a polycrystalline p-type layer. A back electrode layer is disposed over the semiconductor heterojunction. The back electrode includes at least one removed portion that separates a first portion of the back electrode layer from a second portion of the back electrode layer. The particle detector also includes a first body of electrically insulating material which separates a first portion of the semiconductor heterojunction from a second portion of the semiconductor heterojunction. The first body of electrically insulating material also separates a first portion of the front electrode layer from a second portion of the front electrode layer.