Patents
US 12325931 B2: Nitrogen-enabled high growth rates in hydride vapor phase epitaxy
- Granted
- 2025-06-10
- Filed
- 2020-06-13 application 16900905
- Type
- Utility · 11 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Disclosed herein are methods and devices that use a low-thermal conductivity inert gas to shield reactant gases and thus enabling a cold wall operation within a hot wall system.
Source: PVGPATDIS, file of 2026-04-10 (ipg250610.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Alliance for Sustainable Energy, LLC 485 patents | US company or organization | Golden, CO | ALLIANCE FOR SUSTAINABLE ENERGY, LLC State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
| Rochester Institute of Technology 110 patents | US company or organization | Rochester, NY | Rochester Institute of Technology College or university EXACT high confidence: identical full name and state ROCHESTER INSTITUTE OF TECHNOLOGY Nonprofit EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Elisabeth Lynne McClure | Lakewood, CO | 1 | PVGPATDIS, file of 2026-04-10 | |
| Kevin Louis SCHULTE | Denver, CO | 7 | PVGPATDIS, file of 2026-04-10 | |
| Aaron Joseph Ptak | Littleton, CO | 10 | PVGPATDIS, file of 2026-04-10 | |
| John David Simon | Austin, TX | 7 | PVGPATDIS, file of 2026-04-10 | |
| Wondwosen Tilahun METAFERIA | Aurora, CO | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C30B | Single-crystal growth ; unidirectional solidification of eutectic material or unidirectional demixing of eutectoid material; refining by zone-melting of material ; production of a homogeneous polycrystalline material with defined structure ; single crystals or homogeneous polycrystalline material with defined structure; after-treatment of single crystals or a homogeneous polycrystalline material with defined structure ; apparatus therefor | C30B25/08 | PVGPATDIS, file of 2026-04-10 |
| H01L | Semiconductor devices not covered by class h10 | H01L21/0262 | PVGPATDIS, file of 2026-04-10 |
| C23C | Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general | C23C16/301 | PVGPATDIS, file of 2026-04-10 |
| H10P | Generic processes or apparatus for the manufacture or treatment of devices covered by class h10 | H10P14/24 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-12-16 | Name change Change of name | ALLIANCE FOR SUSTAINABLE ENERGY, LLC signed 2025-12-02 | ALLIANCE FOR ENERGY INNOVATION, LLC GOLDEN, CO | 73993/276 | PASDL, file of 2026-10-25 |
| 2023-01-05 | Assignment Assignment of assignor's interest | MCCLURE, ELISABETH signed 2022-12-30 | ROCHESTER INSTITUTE OF TECHNOLOGY ROCHESTER, NY | 62299/944 | ECORSEXC, file of 2026-09-25 |
| 2021-01-12 | Government interest Confirmatory license | NATIONAL RENEWABLE ENERGY LABORATORY signed 2020-06-15 | UNITED STATES DEPARTMENT OF ENERGY WASHINGTON, DC | 54890/203 | ECORSEXC, file of 2026-09-25 |
| 2020-06-13 | Assignment Assignment of assignor's interest | METAFERIA, WONDWOSEN TILAHUN signed 2020-05-14 PTAK, AARON JOSEPH signed 2020-05-14 SCHULTE, KEVIN LOUIS signed 2020-05-14 SIMON, JOHN DAVID signed 2020-05-14 | ALLIANCE FOR SUSTAINABLE ENERGY, LLC GOLDEN, CO | 52933/891 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.