Patent · US Active

Semiconductor substrate fabrication by etching of a peeling layer

US8119499B2 · kind B2 · utility

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5References
10Claims
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Key dates

Filing dateAug 24, 2006
Grant dateFeb 21, 2012
Priority date
Expiry dateJul 30, 2027

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/018
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor substrate fabrication method according to the first aspect of this invention is characterized by including a preparation step of preparing an underlying substrate, a stacking step of stacking, on the underlying substrate, at least two multilayered films each including a peeling layer and a semiconductor layer, and a separation step of separating the semiconductor layer.

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