C30B 11/00
Single-crystal growth by normal freezing or freezing under temperature gradient
Official title: Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method (C30B13/00, C30B15/00, C30B17/00, C30B19/00 take precedence; under a protective fluid C30B27/00)
C30B11/00 (Single-crystal growth by normal freezing or freezing under temperature gradient) appears on 1,646 US grants and 1,511 published applications in this corpus.
Search patents in C30B- Granted patents
- 1,646
- Published applications
- 1,511
- Assignees
- 793
- Inventors
- 3,404
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 18 | 0 |
| 1978 | 17 | 0 |
| 1979 | 10 | 0 |
| 1980 | 15 | 0 |
| 1981 | 17 | 0 |
| 1982 | 15 | 0 |
| 1983 | 14 | 0 |
| 1984 | 22 | 0 |
| 1985 | 20 | 0 |
| 1986 | 30 | 0 |
| 1987 | 19 | 0 |
| 1988 | 15 | 0 |
| 1989 | 21 | 0 |
| 1990 | 32 | 0 |
| 1991 | 24 | 0 |
| 1992 | 30 | 0 |
| 1993 | 16 | 0 |
| 1994 | 24 | 0 |
| 1995 | 23 | 0 |
| 1996 | 20 | 0 |
| 1997 | 25 | 0 |
| 1998 | 19 | 0 |
| 1999 | 32 | 0 |
| 2000 | 32 | 0 |
| 2001 | 39 | 15 |
| 2002 | 41 | 45 |
| 2003 | 34 | 62 |
| 2004 | 35 | 49 |
| 2005 | 28 | 64 |
| 2006 | 32 | 57 |
| 2007 | 39 | 68 |
| 2008 | 43 | 68 |
| 2009 | 42 | 88 |
| 2010 | 52 | 95 |
| 2011 | 53 | 103 |
| 2012 | 45 | 102 |
| 2013 | 69 | 92 |
| 2014 | 71 | 90 |
| 2015 | 60 | 81 |
| 2016 | 72 | 65 |
| 2017 | 56 | 50 |
| 2018 | 47 | 38 |
| 2019 | 49 | 47 |
| 2020 | 40 | 48 |
| 2021 | 32 | 37 |
| 2022 | 30 | 40 |
| 2023 | 32 | 29 |
| 2024 | 37 | 34 |
| 2025 | 26 | 23 |
| 2026 | 11 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C30B 11/002Crucibles or containers for supporting the melt377
- C30B 11/003Heating or cooling of the melt or the crystallised material347
- C30B 11/04Adding crystallising materials or reactants forming it in situ to the melt280
- C30B 11/14Single-crystal growth by normal freezing or freezing under temperature gradient: characterised by155
- C30B 11/006Controlling or regulating98
- C30B 11/02Without using solvents75
- C30B 11/001Continuous growth73
- C30B 11/007Mechanisms for moving either the charge or the heater71
Recent patents
- Method for preparing cremation crystals using catalyst obtained through reduction of phosphorus in skeletal remains29 Sep 2026US 12,747,514 B2
- Semi-insulating gallium arsenide single-crystal substrate, substrate with epitaxial layer, and method for manufacturing semi-insulating gallium arsenide single-crystal22 Sep 2026US 12,742,259 B2Sumitomo Electric Industries, Ltd.
- Nanowires network15 Sep 2026US 12,735,801 B2FundacióN Imdea Materiales
- Low etch pit density, low slip line density, and low strain indium phosphide15 Sep 2026US 12,735,808 B2AXT, Inc.
- Single crystal growth apparatus4 Aug 2026US 12,698,569 B2Novel Crystal Technology, Inc.
- Apparatus and Method for Growing Multiple Crystals in a Single Furnace8 Oct 2026US 2026/0308799 A1Zhejiang University of Science and Technology
- Silicon ingot, crucible for silicon ingot production, method for manufacturing crucible for silicon ingot production, and method for producing silicon ingot3 Sep 2026US 2026/0258578 A1Mitsubishi Materials Electronic Chemicals Co., Ltd.
- Gallium arsenide single crystal substrate, method of producing gallium arsenide single crystal, and method of producing gallium arsenide single crystal substrate20 Aug 2026US 2026/0242979 A1Sumitomo Electric Industries, Ltd.
- Method of producing gallium arsenide single crystal, method of producing gallium arsenide single crystal substrate, gallium arsenide single crystal substrate, and gallium arsenide single crystal20 Aug 2026US 2026/0242980 A1Sumitomo Electric Industries, Ltd.
- Beta-digallium trioxide single crystal substrate, method for manufacturing beta-digallium trioxide single crystal, and method for manufacturing beta-digallium trioxide single crystal substrate13 Aug 2026US 2026/0234833 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Nanosensors247US 7,129,554 B2President and Fellows of Harvard College · 2006
- Process for fabricating an array of nanowires197US 6,231,744 B1Massachusetts Institute of Technology · 2001
- Method for producing semiconductor film162US 5,310,446 ARicoh Company, Ltd. · 1994
- Nanowire arrays159US 6,359,288 B1Massachusetts Institute of Technology · 2002
- Process for producing quantum fine wire132US 5,858,862 ASony Corporation · 1999