Magnetic lenses

Industry

CPC
H01J29/64

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

Current Industry

H01J29/64Magnetic lenses

Industries

Patents Grantslast 30 patents

Information Patent Grant
Electron transparent membrane for cold cathode devices
- Patent number 10,832,885
- Issue date Nov 10, 2020
- Massachusetts Institute of Technology
- Akintunde I. Akinwande
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus having a magnetic lens configured to diverge an electron...
- Patent number 9,390,882
- Issue date Jul 12, 2016
- Micron Technology, Inc.
- Shixin Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of axial alignment of charged particle beam and charged part...
- Patent number 9,035,550
- Issue date May 19, 2015
- Jeol Ltd.
- Mitsuru Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and system of performing three-dimensional imaging using an...
- Patent number 8,642,959
- Issue date Feb 4, 2014
- Micron Technology, Inc.
- Shixin Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Non-axisymmetric charged-particle beam system
- Patent number 7,612,346
- Issue date Nov 3, 2009
- Massachusetts Institute of Technology
- Ronak J. Bhatt
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Non-axisymmetric charged-particle beam system
- Patent number 7,381,967
- Issue date Jun 3, 2008
- Massachusetts Institute of Technology
- Ronak J. Bhatt
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Magnetic focusing device
- Patent number 5,528,211
- Issue date Jun 18, 1996
- Thomson Tubes and Displays, S.A.
- Jean M. Perreaut
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic focusing system with improved symmetry and manufacturability
- Patent number 5,506,482
- Issue date Apr 9, 1996
- Mitsubishi Denki Kabushiki Kaisha
- Shigenori Teramatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Permanent magnet focus unit with integral astigmatism corrector
- Patent number 5,469,017
- Issue date Nov 21, 1995
- Thomson Tubes and Displays, S.A.
- Jean M. Perreaut
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Focus yoke, electromagnetically focused CRT display with the focus...
- Patent number 5,331,256
- Issue date Jul 19, 1994
- Hitachi, Ltd.
- Masanori Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Focus magnet for a projection type cathode-ray tube
- Patent number 5,227,752
- Issue date Jul 13, 1993
- Samsung Electron Devices Co., Ltd.
- Sung-U Ham
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Focus magnet with separate static and dynamic control coils
- Patent number 5,113,162
- Issue date May 12, 1992
- Hitachi Metals, Ltd.
- Teruo Umehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Focus adjusting device for projection display
- Patent number 5,039,923
- Issue date Aug 13, 1991
- Hitachi, Ltd.
- Masanori Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electromagnetic focusing
- Patent number 4,975,668
- Issue date Dec 4, 1990
- Kanto Denshi Kogyo Co., Ltd.
- Terumi Nishinuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode ray tube having a magnetic focusing lens
- Patent number 4,758,762
- Issue date Jul 19, 1988
- U.S. Philips Corporation
- Aart A. Van Gorkum
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Magnetic focusing type cathode ray tube
- Patent number 4,495,439
- Issue date Jan 22, 1985
- Tokyo Shibaura Denki Kabushiki Kaisha
- Taketoshi Shimoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic focusing type cathode ray tube
- Patent number 4,490,644
- Issue date Dec 25, 1984
- Tokyo Shibaura Denki Kobashiki Kaisha
- Taketoshi Shimoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic focusing structure for three in-line gun type color pictur...
- Patent number 4,310,780
- Issue date Jan 12, 1982
- Hitachi, Ltd.
- Soichi Sakurai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3764850
- Patent number 3,764,850
- Issue date Oct 9, 1973
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3701067
- Patent number 3,701,067
- Issue date Oct 24, 1972
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3659140
- Patent number 3,659,140
- Issue date Apr 25, 1972
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3437867
- Patent number 3,437,867
- Issue date Apr 8, 1969
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3396299
- Patent number 3,396,299
- Issue date Aug 6, 1968
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3387158
- Patent number 3,387,158
- Issue date Jun 4, 1968
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3378918
- Patent number 3,378,918
- Issue date Apr 23, 1968
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
3230415
- Patent number 3,230,415
- Issue date Jan 18, 1966
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
2947896
- Patent number 2,947,896
- Issue date Aug 2, 1960
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2824987
- Patent number 2,824,987
- Issue date Feb 25, 1958
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2797360
- Patent number 2,797,360
- Issue date Jun 25, 1957
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2788468
- Patent number 2,788,468
- Issue date Apr 9, 1957
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRON TRANSPARENT MEMBRANE FOR COLD CATHODE DEVICES
- Publication number 20180374669
- Publication date Dec 27, 2018
- Massachusetts Institute of Technology
- Akintunde I. Akinwande
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS HAVING A MAGNETIC LENS CONFIGURED TO DIVERGE AN ELECTRON...
- Publication number 20140145089
- Publication date May 29, 2014
- Micron Technology, Inc.
- Shixin Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of Axial Alignment of Charged Particle Beam and Charged Part...
- Publication number 20130320846
- Publication date Dec 5, 2013
- Mitsuru Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and System of Performing Three-Dimensional Imaging Using An...
- Publication number 20090108200
- Publication date Apr 30, 2009
- Micron Technology, Inc.
- Shixin Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-AXISYMMETRIC CHARGED-PARTICLE BEAM SYSTEM
- Publication number 20080191144
- Publication date Aug 14, 2008
- Ronak J. Bhatt
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Application
Non-axisymmetric charged-particle beam system
- Publication number 20060017002
- Publication date Jan 26, 2006
- Ronak J. Bhatt
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING

Magnetic lenses

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Electron transparent membrane for cold cathode devices

Apparatus having a magnetic lens configured to diverge an electron...

Method of axial alignment of charged particle beam and charged part...

Method and system of performing three-dimensional imaging using an...

Non-axisymmetric charged-particle beam system

Non-axisymmetric charged-particle beam system

Magnetic focusing device

Magnetic focusing system with improved symmetry and manufacturability

Permanent magnet focus unit with integral astigmatism corrector

Focus yoke, electromagnetically focused CRT display with the focus...

Focus magnet for a projection type cathode-ray tube

Focus magnet with separate static and dynamic control coils

Focus adjusting device for projection display

Electromagnetic focusing

Cathode ray tube having a magnetic focusing lens

Magnetic focusing type cathode ray tube

Magnetic focusing type cathode ray tube

Magnetic focusing structure for three in-line gun type color pictur...

3764850

3701067

3659140

3437867

3396299

3387158

3378918

3230415

2947896

2824987

2797360

2788468

Patents Applicationslast 30 patents

ELECTRON TRANSPARENT MEMBRANE FOR COLD CATHODE DEVICES

APPARATUS HAVING A MAGNETIC LENS CONFIGURED TO DIVERGE AN ELECTRON...

Method of Axial Alignment of Charged Particle Beam and Charged Part...

Method and System of Performing Three-Dimensional Imaging Using An...

NON-AXISYMMETRIC CHARGED-PARTICLE BEAM SYSTEM

Non-axisymmetric charged-particle beam system