EPIR, INC.

Bolingbrook, IL · Semiconductors · Private

Custom multi-tier ASICs and vertical integration technology (Modified Direct Bond Interconnect) for 4D particle detector systems

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Updated Oct 23, 2026

Sector: Semiconductors
Headquarters: Bolingbrook, IL
Total capital: $12.1M

Federal grants: $12.1M; 23 awards · 2014–2025; Rank in peer group#1 of 57
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: None on recordNo federal contract awards found.
Granted patents: 3; first 2024; Rank in peer group#12 of 57

Capital timeline

Latest events

Oct 2025Federal grantDefense · Phase I · Research And Development$140K
Sep 2025Federal grantDefense · Phase II · STTR Phase II - Radiation Hardened Infrared Fpa$1.5M
Mar 2025Federal grantDefense · Phase I · SBIR I, Proposal No. F242-0019-0320 Hydrogenation For Defect Passivation In (si)gesn Alloys$180K
Jul 2024Federal grantDefense · Phase II · Research And Development$1.0M
Apr 2024Federal grantDefense · Phase I · Domestic Foundry That Provides High Quality, Mature Technology Based On Mbe-grown Hgcdte For Infrared Focal Plane Arrays Sensitive To Two Or More Colors.$180K
Apr 2024Federal grantDefense · Phase I · STTR Phase I Research & Development: Radiation Hardened Infrared Fpa$150K
Dec 2023Federal grantDefense · Phase I · 873AUTHORITY$140K

Show 16 earlier federal awards

Jul 2023Federal grantDefense · Phase I · MWIR TPA Notch Filter$140K
Jul 2023Federal grantEnergy · Phase I · Optimization of the gain layer design for radiation hard LGAD based silicon detectors$206K
Apr 2023Federal grantEnergy · Phase II · Versatile, High-Density, High-Yield, Low-Capacitance 3D Integration for Nuclear Physics Detectors$1.1M
Mar 2023Federal grantDefense · Phase II · Non-Destructive, Cryogenic 6-inch Wafer Level Screening and Measurement System of Infrared Detector materials$1.8M
Feb 2023Federal grantEnergy · Phase I · AC-LGAD silicon detectors with alternate gain layer for improved reliability$206K
Feb 2022Federal grantEnergy · Phase I · Versatile, high-density, high-yield, low-capacitance 3D integration for nuclear physics detectors$200K
Aug 2021Federal grantEnergy · Phase II · Minority Carrier Lifetime Mapping System for High Energy Physics Semiconductor Materials$1.1M
Jun 2021Federal grantEnergy · Phase I · Wafer-scale integration of high energy physics detectors by modified direct bond interconnect technology$200K
Jun 2021Federal grantEnergy · Phase II · Radiation Hardened Infrared Focal Plane Arrays$1.1M
Jun 2020Federal grantEnergy · Phase I · Minority Carrier Lifetime Mapping System for High Energy Physics Semiconductor Materials$200K
May 2019Federal grantEnergy · Phase II · Radiation Hardened Infrared Focal Plane Arrays$1.0M
Apr 2018Federal grantEnergy · Phase I · Radiation Hardened Infrared Focal Plane Arrays$150K
Jan 2017Federal grantDefense · Phase II · HgCdTe Material Improvements for High Operating Temperatures$1.0M
Jun 2016Federal grantNASA · Phase I · VIS-NIR Lightweight Spectrometer for the Sun and the Moon$125K
Sep 2015Federal grantDefense · Phase I · HgCdTe Material Improvements for High Operating Temperatures$100K
Dec 2014Federal grantDefense · Phase I · High Performance Noise-Suppressing Long Wavelength Infrared Mercury Cadmium Telluride Focal Plane Array (FPA) Sensors$123K

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.

Standing among 57 peers

Line = median

Semiconductors · System

Federal grants#1 · top 2%
Granted patents#12 · top 21%

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 · 3 granted of 3

Feb 3, 2026GrantedSystem and method for optical mapping of semiconductor wafers at cryogenic temperatures under transmission geometryUSPTOUS 12,540,905
Aug 27, 2024GrantedHgCdTe Metasurface-based Terahertz Source and DetectorUSPTOUS 12,075,701
Jun 11, 2024GrantedCompact Apparatus for High-Speed Chemical Spectral Signature Measurement and Method of Using SameUSPTOUS 12,007,323

Lux Semiconductors IncSimilar federal contract value in Semiconductors · null in contracts
SysteMECH, Inc.Similar federal contract value in Semiconductors · null in contracts
MicroxSimilar federal contract value in Semiconductors · null in contracts
CiDRA Holdings LLCSimilar federal contract value in Semiconductors · null in contracts
i5 Technologies, Inc.Similar federal contract value in Semiconductors · null in contracts
GANIFY LLCSimilar federal contract value in Semiconductors · null in contracts

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 Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.