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E BEAM INC

Beaverton, OR · Aerospace · Private

Screen-accelerator grid pairs for ion thrusters with tensioned flat grids on ceramic frames and graphitic coatings

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Updated · ebeaminc.com

Sector
Aerospace
Headquarters
Beaverton, OR
Total capital
$8.9M
Federal grants
$3.4M
7 awards · 2015–2025
Rank in peer group#119 of 155
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$5.5M
33 awards · Defense, NASA
Rank in Aerospace#318 of 1335
Granted patents
1
first 2020
Rank in peer group#60 of 155

Capital timeline

20072011201520192023FEDERAL ↑EQUITY ↓Cumulative $8.9M$750K$1.2M$750K$750K$750K$750K
20072011201520192023FEDERAL ↑EQUITY ↓Cumulative $8.9M$750K$1.2M$750K$750K

Latest events

  • Federal contractNASA · SBIR I Fast Turn-on Thrusters For Space Debris Removal$150K
  • Federal grantNASA · Phase I · SBIR I Fast Turn-on Thrusters For Space Debris Removal$150K
  • Federal grantNASA · Phase I · Novel Grids and Coatings for High-Power Ion Thrusters$150K
  • Federal grantNASA · Phase II · High Current Plasma Cathode for Efficient Space Propulsion$750K
  • Federal grantNASA · Phase II · Innovations in Hollow Cathode Construction Technology$750K
  • Federal contractNASA · A Plasma Discharge Cathode For Space Propulsion Capable Of >100 A And Employing A Novel Geometry That Moves The Bulk Of The Discharge Outside Of The Hollow Emitter Insert. This Allows The Plasma Volume To Be Larger Than The Cathode Tunnel And Thus$125K
  • Federal contractNASA · Innovations In Hollow Cathode Construction Technology$125K
Show 32 earlier federal awards
  • Federal contractNASA · We Offer A Plasma Cathode For Micro Hall And Ion Thrusters Of Unprecedented Power Efficiency, Low Cost, Compactness, And Durability. It Employs, Among Others, A Very Small Planar Scandate Cathode As Electron Source. This Is A Revolutionary Cathode Technology Only Recently Perfected By E Beam Inc. It Is Capable Of Delivering Over 350 Ma Of Discharge From An Emitter Area Only 0.012 CM2. Efficiency In Discharge Is Measured To BE>70 Ma/watt Of Input Power. This Innovation Avoids Conventional Hollow $750K
  • Federal contractNASA · Ionizer Assemblies, Cathode Repeller, Humidity Test, Shipping$14K
  • Federal grantNASA · Phase I · LaB6 and Iodine Resistant Miniature Cathodes for Small Thrusters$124K
  • Federal contractNASA · Igf::ot::igf : Ionizer Assembly : 4200667211$27K
  • Federal grantNASA · Phase II · Cathode for Electric Space Propulsion Utilizing Iodine as Propellant$741K
  • Federal contractNASA · Humidity Test On Three Hollow Cathode Inserts, 0.160-INCH Inner Diameter X 0.210-INCH Outer Diameter X 1.00 Inch Long, In Accordance With The Statement Of Work Enclosed.$57K
  • Federal contractDefense · Igf::ot::igf Cathode Pr# 68-5135-17$5K
  • Federal contractNASA · Igf::ot::igf We Propose A Hollow Reservoir Cathode Suitable For Use In Ion Or Hall Thrusters Which Utilizes Iodine As A Propellant. Reservoir Cathodes Have Several Unique Features Which Will Allow Them To Resist The Corrosive Effects Of Iodine. Chief Amongst These Is That The Barium-emission-material-containing Reservoir Is Isolated From The Iodine Flow. This Allows Free Barium To Be Produced In An Environment Free Of Iodine. Furthermore, Barium Production Rates In Reservoir Cathodes Can Be Adj$125K
  • Federal contractNASA · Igf::ot::igf We Offer An Ultra-compact Klystron Amplifier For Remote Sensing On Cubesats. It Will Operate At 35.7 Ghz, Have 400 Mhz Bandwidth, And Output Greater Than 32 Watts With 35 Db Gain. It Employs A Two-stage Depressed Collector, Allowing Prime Efficiency Of 50%. Comparable Solid State Power Amplifiers Have 15% Efficiency And Output Only 7 W. Klystrons Are The Only Amplifier Technology That Can Be Miniaturized To This Degree. Volume With Power Conditioner And Driver Is Less Than 0.500 Cm$750K
  • Federal contractNASA · Igf::ot::igf We Propose A Ka-band Klystron Amplifier For Use In Cubesats. It Will Operate At 35.7 Ghz, Have 400 Mhz Of Bandwidth, And Output At Least 32 Watts Of Saturated Power. Small Signal Gain Will Exceed 35 Db. In Its Final Form, It Will Occupy A Space 0.4-INCH Diameter And Less Than 0.5-INCH In Length. The Combination Of Small Size, High Power, And High Frequency Obviate The Use Of Solid State Power Amplifiers. Klystrons Are The Only Technology That Can Be Miniaturized To This Degree. We $124K
  • Federal contractDefense · Igf::ot::igf, Darpa Invest Research. Basic Studies In Scandate Cathodes For Use In High-frequency Amplifiers.$1.2M
  • Federal contractNASA · Gold-plated Ionizer Assembly According To Enclosed Drawing, Except G2 And G4 Leads Separately Routed To Outside. Shipping.$5K
  • Federal grantNASA · Phase II · Reservoir Scandate Cathode for Electric Propulsion$750K
  • Federal contractNASA · Igf::ot::igf We Propose To Combine Two Revolutionary Cathode Technologies Into A Single Device For Use In Electric Space Propulsion. This Will Overcome Problems That Both Technologies Have When Operated Alone. The Cathode Is Currently The Component Which Most Limits Performance And Life In Ion And Hall Effect Thrusters. Improved Cathodes Are Essential For Nasa's Next Generation Electric Space Propulsion Initiative. The Innovation Will Benefit Both Satellite And Deep Space Missions. We Have Succe$124K
  • Federal contractNASA · Ionizer Assembly With Gold Plating Plus Shipping Cost.$5K
  • Federal contractNASA · Funds For The Development And Delivery Of A Neutral Ionizer Module For Next Generation Of Ion And Neutral Mass Spectrometers.$42K
  • Federal contractNASA · Igf::ot::igf Scandate Cathodes Are Proposed As A Way To Boost Performance And Life For Electric Space Propulsion Systems. This Company Has Recently Demonstrated Breakthrough Performance On These Cathodes In Other Formats. We Have Demonstrated Emission Of 5 AMPS/CM2 At 850 Degrees Cb, Which Is 200 Degrees C Below That Of Conventional Cathodes. At This Temperature They Should Live At Least 100,000 Hours. This Makes Scandate Cathodes A Candidate For Use In Deep Space Missions. In Phase I We Prop$200K
  • Federal contractNASA · Igf::ot::igf We Propose To Build An Electrostatically Focused Klystron That Exploits Recent Breakthroughs In Scandate Cathode Technology. We Have Built Cathodes With Greater Than 100 AMPS/CM2 Emission. This Project Offers An Opportunity To Test Those Cathodes In Real World Devices. Because Of Their Small Size (.050 Inch Diameter) And Low Power Dissipation (under 1.2 Watts), They Are Ideal For Long-range Space Missions. Also, Their Low Beam Convergence Makes Electrostatic Focusing Feasible. This$125K
  • Federal contractNASA · Acquisition Of An Ion Source For The Second Generation Of The Wind Ion-drift Neutral Composition Suite (wincs)/modeling Design And Drawings, Protoype$54K
  • Federal contractNASA · Igf::ot::igf Other Function - We Propose A Hollow Reservoir Cathode To Improve Performance In Ion And Hall Thrusters. We Will Adapt Our Existing Reservoir Cathode Technology To This Purpose. Reservoir Cathodes Are The Only Emission Sources That Are Capable Of Supplying The Necessary Current Density (>5.0 A/CM2) And Life (>100,000 Hours) For Next Generation High-power Thrusters. More Powerful Thrusters Are Needed For Interplanetary And Lunar Missions, As Well As Earth Escape And Near-earth Spac$600K
  • Federal contractNASA · We Propose An Improved Cathode Based On Our Novel Theory Of The Role Of Scandium Oxide In Enhancing Emission In Tungsten-impregnated Cathodes. Recent Results Have Demonstrated The Efficacy Of Nano-particle Scandium Oxide, But A Detailed Theory On The Mechanism Of Operation Has Been Lacking. Our Theory Explains Published Data And Points To An Optimized Cathode, Which We Propose Here To Build And Test. The Cathode Is The Performance-limiting Component In High-frequency Linear Beam Amplifiers Such$600K
  • Federal contractNASA · We Propose A Reservoir Cathode To Improve Performance In Both Ion And Hall-effect Thrusters. We Propose To Adapt Our Existing Reservoir Cathode Technology To This Purpose. Reservoir Cathodes Are The Only Emission Sources That Are Capable Of Providing The Necessary Current Density (>5.0 A/CM2) And Life (>100,000 Hours) For Next Generation High-power Thrusters. More Powerful Thrusters Are Needed For Interplanetary And Lunar Missions, Including Earth Escape And Near-earth Space Maneuvers. Reservoir$100K
  • Federal contractNASA · Engineering Services To Develop A Wire Cathode$46K
  • Federal contractNASA · Bao Cathode Assys$5K
  • Federal contractNASA · We Propose An Improved Cathode Based On Our Novel Theory Of The Role Of Scandium Oxide In Enhancing Emission In Tungsten Impregnate Cathodes. Recent Results Have Demonstrated The Efficacy Of Nano-particle Scandium Oxide, But A Detailed Theory On Mechanism Has Been Lacking. Our Theory Explains Published Data And Point To An Optimized Cathode Which We Here Propose To Build And Test At Our Facility. The Cathode Is The Performance Limiting Component In High Frequency Linear Beam Amplifiers Such As T$100K
  • Federal contractNASA · Cathode 111908-1, Filament Replacements$4K
  • Federal contractNASA · Thermionic Cathode Assemblies$5K
  • Federal contractNASA · Cathode Repeller Assemblies, Studies On Activation Process.$12K
  • Federal contractNASA · Cathode Repeller Assemblies - 10 Each.$7K
  • Federal contractDefense · Heat Shield #3$9K
  • Federal contractNASA · Engineering Services With Cathode-repeller Ebeam Drawings.$6K
  • Federal contractDefense · Grid Support Collar$5K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

1 record has no date or no amount, so it isn’t placed on the timeline.

Standing among 155 peers

Line = median

Aerospace · Device

  • Federal grantsBelow median
  • Granted patents#60 · top 39%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 1 granted of 1

Related companies, and why

Regulatory activity · Aerospace

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .