String With Refractory Metal Core For String Ribbon Crystal Growth

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United States of America Patent

APP PUB NO 20100055412A1
SERIAL NO

12553252

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of forming a string for use in a string ribbon crystal provides a refractory metal as a core for the string and forms a first layer of material on the core. A method of growing a ribbon crystal provides a pair of strings. Each string has a refractory metal core. The method further passes the strings through a molten material to grow the ribbon crystal between the pair of strings.A ribbon crystal wafer includes a ribbon crystal material and a pair of strings in the ribbon crystal material. Each string defines an outer edge of the wafer, and each string includes a refractory metal core.

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Patent Owner(s)

Patent OwnerAddress
EVERGREEN SOLAR INC259 CEDAR HILL STREET MARLBOROUGH MA 01752-3004

International Classification(s)

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  • 2009 Application Filing Year
  • C23C Class
  • 1395 Applications Filed
  • 820 Patents Issued To-Date
  • 58.79 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2009201020112012201320142015201620172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Felton, Lawrence Hopkinton, US 3 57
Richardson, Christine Northborough, US 16 86

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  • 0 Citation Count
  • C23C Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges262761375235321912844601 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +020406080100120140160180200220240260280300

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