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Xei Scientific INC

1755 E Bayshore Rd, Ste 17, Redwood City, CA 94063

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Xei Scientific INC
Their homepage, crawled JUL 2026

What they make

Other Electronic Component Manufacturing334419

XEI Scientific manufactures plasma cleaning systems under the Evactron brand, including models designed for SEM and FIB vacuum chamber cleaning, UHV vacuum chamber cleaning, and desktop specimen cleaning. The company's RF plasma cleaners reduce hydrocarbon contamination in vacuum chambers to improve electron microscope imaging and analytical performance, and can also clean EUV and X-ray optics as well as SEM and TEM samples. The company holds CE and TÜV Certifications.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Products

Sold by XEI SCIENTIFIC INC · 1
Semiconductor Devices And Associated Hardware

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from
1 from usaspending_psc · Federal registry
Supplied under federal award 1333ND24PNB030300 (2024-07-30), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

37.49065, -122.21132 · CENSUS TIGER
COUNTY
METRO AREA
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STREET VIEW

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Every listed plant in San Mateo County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 9 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.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SBA LOANSEXISTENCEJAN 2026JAN 2026
SAM GOVOPERATINGNOV 2025NOV 2025
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1SAM GOVNOV 2025
CAGE CODESAM GOVNOV 2025
CITYSAM GOVNOV 2025
GEOMCENSUS GEOCODERJUL 2026
NAMESAM GOVNOV 2025
REGISTRATION EXPIRATIONSAM GOVNOV 2025
SBA LOANSBA LOANSJAN 2026
STATESAM GOVNOV 2025
WEBSITESAM GOVNOV 2025

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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