Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 26, 2019
Patent Application Number
15895077
Date Filed
February 13, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
A semiconductor device with one or more fin structures formed from a first material, gate, source, and drain regions formed from a second material, and a contact insulator layer deposited over the substrate, where an etching process applied to the substrate removes the insulator to create a trench over the source region. The device also includes a lower band gap source material that is deposited into the trench, a second contact insulator layer, and a metalizing material that is deposited over the substrate. In some embodiments, the device also includes a higher band gap source material that is deposited into the trench, a second contact insulator layer, and a metalizing material that is deposited over the substrate.
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