Patent · US Active

Method for processing product layer

US11309179B2 · kind B2 · utility

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18Claims
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Key dates

Filing dateJul 9, 2020
Grant dateApr 19, 2022
Priority date
Expiry dateJul 9, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67063
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method for processing a product layer includes providing a dielectric layer over a substrate, etching to remove a portion of the dielectric layer, forming a product layer over the etched dielectric layer, and removing the product layer by providing a dissolving solution and using the dissolving solution to rinse or soak the product layer to dissolve the product layer.

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