Patent assignee · US · COMPANY

Axcelis Technologies, Inc.

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401Patents
224Active
401Granted
51Portfolio score

Filing activity: Aug 7, 1998 → Oct 4, 2023 · 107 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6756085B2 Ultraviolet curing processes for advanced low-k materials Electricity 593 Expired
US6576300B1 High modulus, low dielectric constant coatings Emerging Cross-Sectional Technologies 553 Expired
US6635117B1 Actively-cooled distribution plate for reducing reactive gas temperature in a plasma processing system Electricity 548 Expired
US6759098B2 Plasma curing of MSQ-based porous low-k film materials Electricity 545 Expired
US6558755B2 Plasma curing process for porous silica thin film Electricity 534 Expired
US8071451B2 Method of doping semiconductors Electricity 524 Active
US6913796B2 Plasma curing process for porous low-k materials Emerging Cross-Sectional Technologies 507 Expired
US6225745A Dual plasma source for plasma process chamber Electricity 447 Expired
US6281135A Oxygen free plasma stripping process Emerging Cross-Sectional Technologies 269 Expired
US6237527A System for improving energy purity and implant consistency, and for minimizing charge accumulation of an implanted substrate Electricity 230 Expired
US6709807B2 Process for reducing edge roughness in patterned photoresist Emerging Cross-Sectional Technologies 182 Expired
US6101971A Ion implantation control using charge collection, optical emission spectroscopy and mass analysis Electricity 91 Expired
US7037846B2 Method and apparatus for micro-jet enabled, low energy ion generation and transport in plasma processing Electricity 85 Expired
US8227768B2 Low-inertia multi-axis multi-directional mechanically scanned ion implantation system Electricity 75 Active
US6548416B2 Plasma ashing process Electricity 52 Expired
US8422193B2 Annulus clamping and backside gas cooled electrostatic chuck Electricity 49 Active
US6761796B2 Method and apparatus for micro-jet enabled, low-energy ion generation transport in plasma processing Electricity 48 Expired
US6305316A Integrated power oscillator RF source of plasma immersion ion implantation system Electricity 48 Expired
US6782843B2 Actively-cooled distribution plate for reducing reactive gas temperature in a plasma processing system Electricity 47 Expired
US6638875B2 Oxygen free plasma stripping process Emerging Cross-Sectional Technologies 45 Expired
US6768121B2 Ion source having replaceable and sputterable solid source material Electricity 44 Expired
US7476855B2 Beam tuning with automatic magnet pole rotation for ion implanters Electricity 43 Active
US6288403A Decaborane ionizer Electricity 40 Expired
US6242747A Method and system for optimizing linac operational parameters Electricity 36 Expired
US6259072A Zone controlled radiant heating system utilizing focused reflector Electricity 32 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.