Inventor · Zhubeikou, TW

Feng-Chien Tsai

9Patents
1h-index
18Co-inventors
40Inventor score

Filing activity: Jul 29, 2015 → Jun 14, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US11111602B2 Nitrogen doped and vacancy dominated silicon ingot and thermally treated wafer formed therefrom having radially uniformly distributed oxygen precipitation density and size Electricity 1 Active
US10988859B2 Nitrogen doped and vacancy dominated silicon ingot and thermally treated wafer formed therefrom having radially uniformly distributed oxygen precipitation density and size Electricity 0 Active
US12202017B2 Cleaning tools and methods for cleaning the pull cable of an ingot puller apparatus Chemistry; Metallurgy 0 Active
US12398487B2 Nitrogen doped and vacancy dominated silicon ingot and thermally treated wafer formed therefrom having radially uniformly distributed oxygen precipitation density and size Chemistry; Metallurgy 0 Active
US12428750B2 Ingot puller apparatus having silicon feed tubes with kick plates Chemistry; Metallurgy 0 Active
US11753741B2 Nitrogen doped and vacancy dominated silicon ingot and thermally treated wafer formed therefrom having radially uniformly distributed oxygen precipitation density and size Electricity 0 Active
US12291795B2 Single crystal growth susceptor assembly with sacrifice ring Emerging Cross-Sectional Technologies 0 Active
US12227874B2 Methods for determining suitability of Czochralski growth conditions for producing substrates for epitaxy Physics 0 Active
US11959189B2 Process for preparing ingot having reduced distortion at late body length Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.