Patents
US 12498317 B1: Sample alignment system in reflectometers, ellipsometers, spectrophotometers and the like
- Granted
- 2025-12-16
- Filed
- 2024-03-23 application 18445912
- Type
- Utility · 12 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Sample surface alignment systems and methodology particularly applicable where samples are investigated in environmental chambers.
Source: PVGPATDIS, file of 2026-04-10 (ipg251216.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| J.A. WOOLLAM CO., INC. 108 patents | US company or organization | Lincoln, NE | J.A. WOOLLAM CO., INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Martin M. Liphardt | Lincoln, NE | 78 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N21/31 | PVGPATDIS, file of 2026-04-10 |
| G01B | Measuring length, thickness or similar linear dimensions; measuring angles; measuring areas; measuring irregularities of surfaces or contours | G01B11/272 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
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.