sunray_sci_
Wall Township, US · Founded 2020 · Delaware corporation · 16 employees on LinkedIn · 8 known investors
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SunRay Scientific develops anisotropic conductive adhesives (ZTACH ACE), conductive inks, epoxies, and related materials for printed and flexible electronics, integrable with existing pick-and-place manufacturing equipment. It serves OEMs and technology companies across industries such as automotive, healthcare, smart labels, sensors, and IoT devices.
Founders & leadership
sunray_sci_ was founded in 2020 by Andrew Stemmermann and Madhu Stemmermann.


Board

Investors · 8
How we know: Central Texas Angel Network's portfolio page · Not right? Tell us
How we know: Delaware Crossing Investor Group's portfolio page · Not right? Tell us
How we know: JumpStart New Jersey Angel Network's portfolio page · Not right? Tell us
How we know: Soundboard Venture Fund's portfolio page · Not right? Tell us
How we know: Westchester Angels's portfolio page · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$845.2K disclosed across 1 round · 2024
▶$845.2KraisedJul 2024 · 41 investors · OtherRule 506(b)
- Andrew StemmermannDirector
- Steve SocolofDirector
- Madhu StemmermannExecutive Officer, Director
- Offering amount
- $2M
- Amount sold
- $845.2K
- First sale
- Jul 2024
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Non-dilutive funding · 18 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| U.S. Air ForceAir Force | Phase II | 2023 | $1.8M |
| U.S. Air ForceAir Force | Phase I | 2023 | $74.7K |
| U.S. Air ForceAir Force | Phase ISTTR | 2023 | $74.6K |
| U.S. Air ForceAir Force | Phase I | 2023 | $74.4K |
| U.S. Air ForceAir Force | Phase II | 2022 | $1.5M |
| U.S. Air ForceAir Force | Phase II | 2022 | $750K |
| U.S. Air ForceAir Force | Phase IISTTR | 2022 | $750K |
| U.S. Air ForceAir Force | Phase II | 2022 | $749.5K |
| U.S. Air ForceAir Force | Phase I | 2022 | $50K |
| U.S. Air ForceAir Force | Phase ISTTR | 2022 | $49.9K |
| U.S. Air ForceAir Force | Phase ISTTR | 2021 | $150K |
| U.S. Air ForceAir Force | Phase I | 2021 | $50K |
| U.S. Air ForceAir Force | Phase II | 2020 | $750K |
| Department of Energy | Phase I | 2020 | $200K |
| U.S. Air ForceAir Force | Phase I | 2020 | $150K |
| U.S. Air ForceAir Force | Phase I | 2020 | $50K |
| Department of Energy | Phase II | 2018 | $1M |
| Department of Energy | Phase I | 2017 | $150K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Frequently asked questions
- What does sunray_sci_ do?
- SunRay Scientific develops anisotropic conductive adhesives (ZTACH ACE), conductive inks, epoxies, and related materials for printed and flexible electronics, integrable with existing pick-and-place manufacturing equipment. It serves OEMs and technology companies across industries such as automotive, healthcare, smart labels, sensors, and IoT devices.
- Who founded sunray_sci_?
- sunray_sci_ was founded by Andrew Stemmermann, Madhu Stemmermann in 2020.
- Who are sunray_sci_'s investors?
- sunray_sci_'s investors include Broad Street Angels, Central Texas Angel Network, Delaware Crossing Investor Group, JumpStart New Jersey Angel Network, Soundboard Venture Fund, Westchester Angels, Golden Seeds, Tech Council Ventures.
- How much funding has sunray_sci_ raised?
- sunray_sci_ has disclosed $845.2K raised across 1 round.
- Where is sunray_sci_ headquartered?
- sunray_sci_ is headquartered in Wall Township, US.





