Patent · US Active

Method for forming polysilicon film

US9741562B2 · kind B2 · utility

0Cited by
10References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 2015
Grant dateAug 22, 2017
Priority date
Expiry dateJan 27, 2035

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/02658
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

Provided is a method for forming a silicon film, and more particularly, to a method for forming a polycrystalline silicon film including pretreatment process in a process for forming a silicon film. According to an embodiment of the present invention, a method for forming a polycrystalline silicon film by annealing a amorphous silicon film deposited on a base, the method includes a pretreatment process of allowing a pretreatment gas including at least one of N, C, O and B to flow.

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