C30B 13/30
Stabilisation or shape controlling of the molten zone
Official title: Stabilisation or shape controlling of the molten zone, e.g. by concentrators, by electromagnetic fields; Controlling the section of the crystal
C30B13/30 (Stabilisation or shape controlling of the molten zone) appears on 53 US grants and 36 published applications in this corpus.
Search patents in C30B- Granted patents
- 53
- Published applications
- 36
- Assignees
- 28
- Inventors
- 97
- Latest grant
- 16 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 4 |
| 2020 | 3 | 4 |
| 2021 | 8 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Field-editing technology for quantum materials synthesis using a magnetic field laser furnace16 Jan 2024US 11,873,573 B2The Regents of the University of Colorado, a body corporate
- Method for purifying a thallium compound using a carbon powder15 Aug 2023US 11,725,303 B2Northwestern University
- Crystal fiber manufacturing method20 Sep 2022US 11,447,888 B2Nippon Telegraph and Telephone Corporation
- Method for controlling fiber growth in a laser heated pedestal growth system by controlling a laser power output, a pedestal feedstock rate of motion, and a draw rate7 Jun 2022US 11,352,712 B1Energy, United States Department of
- Polycrystalline silicon rod, processing method for polycrystalline silicon rod, method for evaluating polycrystalline silicon rod, and method for producing FZ single crystal silicon9 Nov 2021US 11,167,994 B2Shin-Etsu Chemical Co., Ltd.
- Process for Manufacturing Single-Crystal Fiber12 Dec 2024US 2024/0410081 A1Nippon Telegraph and Telephone Corporation
- Automated control of single-crystal fiber growth process17 Oct 2024US 2024/0344234 A1Alcon Inc.
- Method for purifying a thallium compound using a carbon powder14 Sep 2023US 2023/0287596 A1Northwestern University
- Field-Editing Technology For Quantum Materials Synthesis Using A Magnetic Field Laser Furnace16 Feb 2023US 2023/0045854 A1The Regents of the University of Colorado, a body corporate
- Method for purifying an inorganic material using a tube having a bend between a first end and a second end of the tube3 Feb 2022US 2022/0033993 A1Northwestern University
Most cited
By later US patents
- Method and apparatus for crystal ribbon growth19US 5,069,742 A1991
- Apparatus for zone regrowth of crystal ribbons16US 4,873,063 A1989
- Process for the treatment of a liquid mass14US 4,546,811 ACommissariat A L' Energie Atomique · 1985
- Edge-defined contact heater apparatus and method for floating zone crystal growth13US 5,114,528 AWisconsin Alumni Research Foundation · 1992
- Apparatus for manufacturing crystals through floating zone method11US 5,367,981 A1994