H01J 2237/142
With superconducting coils
Official title: with superconducting coils
H01J2237/142 (With superconducting coils) appears on 9 US grants and 3 published applications in this corpus.
Search patents in H01J- Granted patents
- 9
- Published applications
- 3
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 14 Aug 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for the field emission of particles and production method14 Aug 2012US 8,242,674 B2
- Charged particle beam orbit corrector and charged particle beam apparatus24 May 2011US 7,947,964 B2Hitachi High-Technologies Corporation
- Electromagnet with active field containment21 Sep 2010US 7,800,082 B2Varian Semiconductor Equipment Associates, Inc.
- Magnetic lens apparatus for a low-voltage high-resolution electron microscope8 Oct 1996US 5,563,415 AArch Development Corporation
- Electron lithography using a photocathode7 Mar 1995US 5,395,738 A
- Device for the field emission of particles and production method15 Apr 2010US 2010/0090579 A1
- Charged Particle Beam Orbit Corrector and Charged Particle Beam Apparatus22 May 2008US 2008/0116391 A1Hitachi High-Technologies Corporation
- Electromagnet with active field containment16 Aug 2007US 2007/0187619 A1Varian Semiconductor Equipment Associates, Inc.
Most cited
By later US patents
- Electron lithography using a photocathode26US 5,395,738 A1995
- Magnetic lens apparatus for a low-voltage high-resolution electron microscope19US 5,563,415 AArch Development Corporation · 1996
- Corpuscular beam microscope for ring segment focusing13US 4,214,162 AMax-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V. · 1980
- Electron beam type pattern transfer apparatus6US 4,366,383 AVLSI Technology Research Association · 1982
- Charged particle beam orbit corrector and charged particle beam apparatus4US 7,947,964 B2Hitachi High-Technologies Corporation · 2011