C30B 31/08
The diffusion materials being a compound of the elements to be diffused
Official title: the diffusion materials being a compound of the elements to be diffused
C30B31/08 (The diffusion materials being a compound of the elements to be diffused) appears on 22 US grants and 23 published applications in this corpus.
Search patents in C30B- Granted patents
- 22
- Published applications
- 23
- Assignees
- 24
- Inventors
- 70
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 4 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Extreme large grain (1 mm) lateral growth of cd(se,te) alloy thin films by reactive anneals27 Mar 2025US 2025/0101632 A1Alliance for Sustainable Energy, LLC
- Method of forming an epitaxial layer20 Jun 2024US 2024/0203730 A1ASM IP Holding B. V.
Most cited
By later US patents
- Process and apparatus for bubbling gas through a high purity liquid27US 4,140,735 AJ. C. Schumacher Co. · 1979
- Cross-flow reactor20US 4,108,106 ATylan Corporation · 1978
- Bubbler cylinder and dip tube device18US 4,506,815 AThiokol Corporation · 1985
- Solid diffusion dopants for semiconductors and method of making the same16US 4,033,790 ADenki Kagaku Kogyo Kabushiki Kaisha · 1977
- Single crystal heat treatment method11US 7,531,036 B2Hitachi Chemical Company, Ltd. · 2009