Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for feeding raw material into a quartz crucible and method of feeding the same

Apparatus for feeding raw material into a quartz crucible and method of feeding the same

US Patent 6007621 · Granted Dec 28, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of producing high-purity polycrystalline silicon2003
Method of producing polycrystalline silicon for semiconductors from saline gas2003
Production of high-purity polycrystalline silicon rod for semiconductor applicat2000
Apparatus for feeding raw material into a quartz crucible2000
Method and apparatus for loading raw material into a quartz crucible2000
Production of high-purity polycrystalline silicon rod for semiconductor applicat1996
Production of high-purity polycrystalline silicon rod for semiconductor applicat1995
Process for manufacturing silicon-germanium alloys1989
Method for the disintegration of silicon for semiconductor1986