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Class Information
Number: 250/492.21
Name: Radiant energy > Irradiation of objects or material > Irradiation of semiconductor devices > Ion bombardment
Description: Subject matter comprising a means for irradiating a semiconductive object or material with at least one ion beam.


Patents under this class:
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Patent Number Title Of Patent Date Issued
6213050 Enhanced plasma mode and computer system for plasma immersion ion implantation Apr. 10, 2001
6207959 Ion implanter Mar. 27, 2001
6207963 Ion beam implantation using conical magnetic scanning Mar. 27, 2001
6207964 Continuously variable aperture for high-energy ion implanter Mar. 27, 2001
6208095 Compact helical resonator coil for ion implanter linear accelerator Mar. 27, 2001
6204510 Device and method for ion acceleration Mar. 20, 2001
6204508 Toroidal filament for plasma generation Mar. 20, 2001
6194734 Method and system for operating a variable aperture in an ion implanter Feb. 27, 2001
6191427 Ion implantation system and method suitable for low energy ion beam implantation Feb. 20, 2001
6184625 Ion beam processing apparatus for processing work piece with ion beam being neutralized uniformly Feb. 6, 2001
6184536 Ion implantation process Feb. 6, 2001
6184532 Ion source Feb. 6, 2001
6180954 Dual-walled exhaust tubing for vacuum pump Jan. 30, 2001
6177679 Ion implanter with impurity interceptor which removes undesired impurities from the ion beam Jan. 23, 2001
6177670 Method of observing secondary ion image by focused ion beam Jan. 23, 2001
6172372 Scanning system with linear gas bearings and active counter-balance options Jan. 9, 2001
6169015 Method and apparatus for controlling the dosage of ions implanted into a semiconductor wafer Jan. 2, 2001
6169288 Laser ablation type ion source Jan. 2, 2001
6160262 Method and apparatus for deflecting charged particles Dec. 12, 2000
6155436 Arc inhibiting wafer holder assembly Dec. 5, 2000
6157199 Method of monitoring ion-implantation process using photothermal response from ion-implanted sample, and monitoring apparatus of ion-implantation process Dec. 5, 2000
6140655 Method for water vapor enhanced charged-particle-beam machining Oct. 31, 2000
6140656 Ion implantation apparatus, ion implantation method and semiconductor device Oct. 31, 2000
6137112 Time of flight energy measurement apparatus for an ion beam implanter Oct. 24, 2000
6130507 Cold-cathode ion source with propagation of ions in the electron drift plane Oct. 10, 2000
6130436 Acceleration and analysis architecture for ion implanter Oct. 10, 2000
6121624 Method for controlled implantation of elements into the surface or near surface of a substrate Sep. 19, 2000
6118122 Ion beam working apparatus Sep. 12, 2000
6114705 System for correcting eccentricity and rotational error of a workpiece Sep. 5, 2000
6111260 Method and apparatus for in situ anneal during ion implant Aug. 29, 2000
6107634 Decaborane vaporizer Aug. 22, 2000
6106629 Impurity doping apparatus Aug. 22, 2000
6104025 Ion implanting apparatus capable of preventing discharge flaw production on reverse side surface of wafer Aug. 15, 2000
6100536 Electron flood apparatus for neutralizing charge build-up on a substrate during ion implantation Aug. 8, 2000
6093625 Apparatus for and methods of implanting desired chemical species in semiconductor substrates Jul. 25, 2000
6086726 Method of modifying a surface Jul. 11, 2000
RE36760 Method and apparatus for altering material using ion beams Jul. 4, 2000
6084241 Method of manufacturing semiconductor devices and apparatus therefor Jul. 4, 2000
6080991 Method for milling a transmission electron microscope test slice Jun. 27, 2000
6075249 Methods and apparatus for scanning and focusing an ion beam Jun. 13, 2000
6060715 Method and apparatus for ion beam scanning in an ion implanter May. 9, 2000
6043499 Charge-up prevention method and ion implanting apparatus Mar. 28, 2000
6040582 Ion beam focuser for an ion implanter analyzer Mar. 21, 2000
6037599 Ion implantation apparatus and fabrication method for semiconductor device Mar. 14, 2000
6037600 Safety gas controlling system Mar. 14, 2000
6031229 Automatic sequencing of FIB operations Feb. 29, 2000
6031239 Filtered cathodic arc source Feb. 29, 2000
6031240 Method and apparatus for ion implantation Feb. 29, 2000
6025602 Ion implantation system for implanting workpieces Feb. 15, 2000
6019850 Apparatus for making a semiconductor device in a continuous manner Feb. 1, 2000

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