What Shin Etsu America does

SEH America (legal entity Shin-Etsu Handotai America, Inc.) is a Washington-state incorporated manufacturer of semiconductor-grade silicon wafers, operating from a single state-of-the-art production facility at 4111 NE 112th Ave, Vancouver, WA. The company is a wholly-owned subsidiary of Shin-Etsu Handotai Group, itself part of Shin-Etsu Chemical Corporation of Japan, and functions as one of 13 coordinated SEH Group production facilities spanning Japan, Malaysia, Europe, Taiwan, and the United States. SEH America's products include 300mm, 200mm, 150mm polished wafers, epitaxial wafers, Silicon-on-Insulator (SOI) wafers, Float Zone (FZ) wafers, argon-annealed wafers, high-resistivity wafers, and diffused wafers, plus a Stock Products inventory for immediate R&D delivery. Underpinning the portfolio is a set of proprietary process technologies including IG NANA nitrogen-doped/argon-annealed defect suppression, patented High-Resistivity CZ crystal growth (>1,000 ohm-cm standard, >5,000 ohm-cm available), Unibond SOI bonding technology, COP-free crystal growth, and FZ processing without crucible contact. SEH America is the largest-range silicon wafer manufacturer globally and produces substrates meeting design rules down to 20nm and beyond with defect sizes as small as 15nm.

SEH America sells directly to semiconductor device manufacturers across logic, memory, RF, power management, photonics, MEMS, image sensor, analog/mixed-signal, and emerging applications such as quantum computing and IGBTs. Go-to-market is exclusively enterprise field sales: three regional Global Account Managers cover West, Central, and East US territories from the Vancouver headquarters (Lisa Cooper-West, Brad Yellitz-Central, Hiroshi Hoshino-East), with pricing conducted through quote-based product inquiry forms rather than public pricing tiers and contracts typically structured as multi-year supply agreements. End customers include fabs building advanced microprocessors, memory devices, RF SoCs, MEMS, and optoelectronic components, but no named customer logos are publicly disclosed. The company maintains ISO 9001:2015, IATF 16949:2016 (automotive quality), and ISO 14001:2015 (environmental management) certifications at Vancouver, with equivalent certifications held across sister SEH Group sites.

Commercially, SEH America does not disclose revenue and operates as a privately held subsidiary with no independent funding, M&A, or public ownership signals; revenue mechanics are entirely B2B hardware sales of customized silicon wafers with specifications varying by diameter, orientation, dopant, resistivity, and surface finish. Operational leadership rests with CEO Dr. Chihiro Kanagawa, and headcount sits in the 501-1,000 range at the single US site. Beyond core manufacturing, SEH America has a minor cultural partnership with Clark College (the Japanese Friendship Garden) and maintains an active manufacturing hiring pipeline via an ADP-hosted careers portal.

Name

Shin Etsu America

Legal name

SEH America

Website

https://sehamerica.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

501–1,000 employees

Short description

SEH America manufactures semiconductor silicon wafers (300mm, 200mm, 150mm, polished, EPI, SOI, FZ, annealed, high-resistivity) at its Vancouver, WA facility. It is a wholly-owned subsidiary of Shin-Etsu Handotai Group, selling directly to semiconductor device manufacturers across the US.

Ownership category

akta.pro rank

Product category

Semiconductor Silicon Wafers

NAICS

Semiconductor and Related Device Manufacturing (334413)

SIC

Semiconductors & Related Devices (3674)

akta.pro primary industry

Silicon Wafers (Prime/Test/SOI) (HDAHAGAA)

Keywords

• Silicon wafer manufacturing
• Semiconductor substrates
• Silicon wafers
• Epitaxial wafers
• SOI wafers

Headquarters

HQ city

Vancouver

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Supply Chain, Infrastructure, Personnel, Operations

Revenue model

1. Silicon Wafer Manufacturing: SEH America manufactures and sells semiconductor silicon wafers including 300mm, 200mm, 150mm polished wafers, epitaxial wafers, SOI wafers, annealed wafers, FZ wafers, high resistivity wafers, and specialty wafers for the semiconductor industry. Revenue is generated through direct B2B sales to semiconductor manufacturers.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

SEH America manufactures semiconductor-grade silicon wafers at its Vancouver, Washington facility, producing a full range of 300mm, 200mm, 150mm polished, epitaxial (EPI), silicon-on-insulator (SOI), float-zone (FZ), annealed, diffused, and high-resistivity wafers. The company supplies silicon substrates for logic, memory, RF, MEMS, power management, photonics, and image sensor device fabrication. Products are engineered for advanced nodes down to 20nm and beyond, leveraging proprietary technologies such as IG NANA, High-Res CZ crystal, and Unibond SOI processes.

Product overview

SEH America offers a comprehensive portfolio of silicon wafer products for the semiconductor industry, including 300mm, 200mm, 150mm, and small diameter wafers in various types: polished, epitaxial (EPI), SOI (Silicon-on-Insulator), FZ (Float Zone), annealed, diffused, and high-resistivity wafers. The product line features proprietary IG NANA™ technology (nitrogen-doped and argon-annealed) for defect elimination and yield improvement, as well as bonded and Unibond® SOI technology for specialized RF, MEMS, and high-speed LSI applications. Stock Products inventory provides immediate-delivery wafers for R&D needs. All products operate under ISO 9001:2015 and IATF 16949:2016 quality management systems.

Differentiator

Problem solved

Functional benefit

Brands

• IG NANA™: Nitrogen-doped and argon-annealed technology that eliminates near-surface defects, providing a defect-free denuded zone and high-density bulk micro defects to maximize gettering efficiency.

Products and services

• 300mm Wafers 300mm diameter silicon wafers suitable for all applications including COP-free polished wafers for memory, P/P- and P/P+ epi wafers, and SOI for logic, RF, and photonics. High resistivity and low oxygen (Oi) options are available.
• 200mm Wafers 200mm diameter wafers including standard CZ polished, COP-free polished, epi, argon annealed, FZ, thick bonded SOI (>1 micron), and thin SOI (<1 micron) variants, with ultra-flat and double-sided polish options available.
• Polished Wafers Polished silicon wafers produced in <100>, <111>, and <110> orientations with boron, phosphorus, arsenic, antimony, and red phosphorus dopants. Available in high resistivity (>1000 ohm-cm) and low resistivity (<0.005 ohm-cm) with defect sizes as small as 15nm.
• Epitaxial Wafers P/P-, P/P+, N/N-, and N/N+ epitaxial wafers optimized for advanced logic, analog, mixed-signal, power management, control, and image sensor device applications.
• SOI Wafers Silicon-on-Insulator wafers produced by bonding and grinding two wafers, as well as layer transfer technologies. Used for MEMS, power management, logic, RF, photonics, and quantum computing applications.
• High Resistivity Wafers High-resistivity CZ silicon wafers using proprietary MCZ crystal growth recipes to achieve very low Oi levels and eliminate thermal donor generation, with resistivity minimum specs >5000 ohm-cm for RF device applications.
• FZ Wafers Float Zone wafers produced without a crucible using RF induction coil, resulting in almost zero incorporated oxygen (Oi) and very stable resistivity. Used for IGBTs and photo-diodes, available up to 200mm.
• Annealed Wafers Argon annealed 200mm wafers using nitrogen-doped CZ crystal and optimized annealing recipes to tune surface conditions, bulk properties for gettering, and mechanical strength.
• Diffused Wafers Deep diffused wafers with n-type phosphorus doping diffused from the backside, creating a junction at precise depths up to 150mm diameter, commonly used for power management and opto-electronic devices.
• Small Diameter Wafers 150mm diameter wafers for MEMS and traditional semiconductor devices, including polished, epi, FZ, diffused, and thick SOI (>1 micron) variants.
• Stock Products (Immediate-Delivery Inventory) Generic-spec wafers ready for immediate delivery to support R&D and rapid prototyping needs.

Quantifiable outcome

• Defect sizes as small as 15nm can be optimized
• +3 more outcomes

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Clark CollegeminorStrategic or Co-development PartnerSEH America, under the vision of CEO Dr. Chihiro Kanagawa, established the Japanese Friendship Garden at Clark College to foster cultural camaraderie between the U.S. and Japan. This represents a cultural and educational partnership focused on community engagement and US-Japan relations.

Scale indicators5 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• SUMCO Corporation: SUMCO is one of the world's top two silicon wafer manufacturers alongside Shin-Etsu Handotai. It produces 300mm, 200mm, and SOI wafers with overlapping product lines (polished, epi, high-resistivity, SOI), serving the same logic, memory, and power semiconductor customers globally.
• GlobalWafers Co., Ltd. GlobalWafers is a Taiwan-headquartered wafer manufacturer producing 300mm, 200mm, and SOI wafers. It directly competes with SEH America across polished, epitaxial, and SOI product lines for semiconductor customers worldwide and is one of the top-tier global wafer suppliers.
• Siltronic AG: Siltronic is a Germany-based leading manufacturer of hyperpure silicon wafers, including 300mm and 200mm products. It directly competes with SEH America in serving advanced logic and memory fabs across the same horizontal customer base of semiconductor device manufacturers.
• SK Siltron Co., Ltd. SK Siltron is a South Korean silicon wafer manufacturer producing 300mm and 200mm wafers for logic, memory, and power semiconductor applications. It competes directly with SEH America in advanced-node wafer supply and has expanded capacity to serve the same customer set.
• Soitec SA: Soitec is the leading specialist in SOI (Silicon-on-Insulator) wafers, including FD-SOI and RF-SOI products. It is a direct competitor in the SOI/high-resistivity segment of SEH America's portfolio, particularly for RF, MEMS, and high-speed LSI applications.

Emerging players

• Okmetic Oy: Okmetic is a Finland-based silicon wafer manufacturer specializing in 150mm-200mm wafers for MEMS, RF, power, and sensor applications. It partially overlaps with SEH America's specialty/small-diameter wafer portfolio and competes for niche MEMS and sensor customers.
• National Silicon Industry Group (NSIG): NSIG is a Chinese state-backed silicon wafer producer expanding 300mm wafer capacity. It is an emerging competitor to SEH America targeting China's domestic semiconductor manufacturing ecosystem, with potential to compete globally as its technology matures.

Regional players

• Wafer Works Corporation: Wafer Works is a Taiwanese silicon wafer manufacturer producing 200mm and 300mm epi and polished wafers. It competes with SEH America in Asia-Pacific markets and serves overlapping logic and power semiconductor customers, primarily from a regional Taiwan-China footprint.
• Shanghai Simgui Technology Co., Ltd. Shanghai Simgui is a China-based silicon wafer manufacturer producing 200mm and 300mm wafers including SOI products. It is a regional competitor to SEH America in the Chinese market, with growing capacity targeting local semiconductor fabs and potentially overlapping with SEH America's global customer base.

Broad incumbents

• Shin-Etsu Chemical Co., Ltd. Shin-Etsu Chemical is the ultimate parent conglomerate of SEH America and operates a diversified chemicals and electronics materials portfolio. While not a direct competitor, its PVC chemicals, silicones, rare earth magnets, and semiconductor materials divisions define the corporate context and capital allocation framework for SEH America.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/seh-america

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Shin Etsu America