Frontier Semiconductor
165 Topaz St, Milpitas, CA 95035
Operating signal within 24 months, or from a single source.
What they make
Semiconductor and Related Device Manufacturing334413Frontier Semiconductor manufactures metrology and characterization systems for the semiconductor, LED, solar, FPD, data storage, and MEMS industries. The company offers products and solutions for film stress measurement, film adhesion testing, wafer topography metrology, electrical characterization, 3DIC TSV process control, thin wafer metrology, and low coherence interferometry applications. Its systems serve front-end, back-end, and research and development applications, with specific offerings including contact and non-contact sheet resistance measurement systems and adhesion testers for thin films.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Flex Ics INC | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.1 KM |
| Read-rite Corporation | Milpitas | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 0.1 KM |
| Jds Uniphase | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.1 KM |
| California Micro Devices CORP | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.2 KM |
| Husko INC | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.2 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | JUL 2025 | JUL 2025 |
| EPA FRS | EXISTENCE | AUG 2019 | AUG 2024 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | JUL 2025 |
| CAGE CODE | SAM GOV | JUL 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | JUL 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | JUL 2025 |
| REGISTRATION EXPIRATION | SAM GOV | JUL 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | JUL 2025 |
| WEBSITE | SAM GOV | JUL 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


