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Class Information
Number: 219/121.18
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Using electron beam > Cutting
Description: Subject matter wherein a workpiece is severed by an electron beam.

Sub-classes under this class:

Class Number Class Name Patents
219/121.19 Etching or trimming 57

Patents under this class:

Patent Number Title Of Patent Date Issued
8598485 Stage for working, focused beam working apparatus and focused beam working method Dec. 3, 2013
8410392 Machining device and method for machining material Apr. 2, 2013
8378706 Method to dice back-contact solar cells Feb. 19, 2013
8314357 Joule heated nanowire biosensors Nov. 20, 2012
7674997 Spinner for fiberizing glass and method Mar. 9, 2010
7386937 Method of making a biosensor Jun. 17, 2008
7237334 Method of providing a printed circuit board using laser assisted metallization and patterning of a microelectronic substrate Jul. 3, 2007
6933508 Method of surface texturizing Aug. 23, 2005
6909065 Altering method of circuit pattern of printed-circuit board, cutting method of circuit pattern of printed-circuit board and printed-circuit board having altered circuit pattern Jun. 21, 2005
6880742 Separating seam welding device Apr. 19, 2005
6687968 Friction generating device and method of making the same Feb. 10, 2004
6670571 Surface modification Dec. 30, 2003
6660959 Processes for nanomachining using carbon nanotubes Dec. 9, 2003
5862845 Use of ultrafast intense laser for processing lignocellulosic material Jan. 26, 1999
5787566 Method and apparatus for cutting flat stock Aug. 4, 1998
5288960 Process and apparatus for thermal cutting of workpieces Feb. 22, 1994
4782208 Method and apparatus for slitting metal strips Nov. 1, 1988
4670636 Heat assisted parting of amorphous alloys Jun. 2, 1987
4508952 Electron beam cutting Apr. 2, 1985
4504726 Pattern generator Mar. 12, 1985
4467170 Electron beam drilling apparatus Aug. 21, 1984
4386257 Alkali metal oxide free backers for energy beam drilling May. 31, 1983
4378481 Backers having glass particulates for electron beam hole drilling Mar. 29, 1983
4356377 Cutting thin metal sheet with an electron beam Oct. 26, 1982
4328411 Cutting amorphous metal by crystallization with a laser or electron beam May. 4, 1982
4324973 Energy beam drilling apparatus having optical fiber link position sensor Apr. 13, 1982
4317022 Electron beam welding machine Feb. 23, 1982
4239954 Backer for electron beam hole drilling Dec. 16, 1980
4131782 Method of and apparatus for machining large numbers of holes of precisely controlled size by coherent radiation Dec. 26, 1978
4121595 Apparatus for increasing the permeability of wrapping material for rod-shaped smokers products Oct. 24, 1978
4050507 Method for customizing nucleate boiling heat transfer from electronic units immersed in dielectric coolant Sep. 27, 1977
4038513 Process for energy beam perforation, especially electron beam perforation, of multi-layered artificial leather Jul. 26, 1977
4020317 Method of mining rock with an electron beam Apr. 26, 1977
4013261 Device for producing work pieces perforated by means of electron beams Mar. 22, 1977

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