What SP3 Diamond Technologies does

SP3 Diamond Technologies is a privately held specialty coatings company headquartered in Santa Clara, California, that operates the largest hot-filament chemical vapor deposition (HFCVD) diamond deposition capacity in North America. The company provides CVD diamond coating services to manufacturers of cutting tools, chemical mechanical planarization (CMP) pad conditioners, semiconductor wafers (Diamond-on-Silicon), electrodes, seals, and industrial wear components, and it sells proprietary Model 655 single-chamber and Model 665 dual-chamber HFCVD reactors and licenses its process technologies to semiconductor fabs and CMP pad conditioner suppliers globally.

The company's core technology is a proprietary HFCVD reactor architecture using a patented filament assembly that operates at temperatures up to 2550°C and power densities up to 20W/cm², paired with a 58-step recipe-driven controller and a bar-coded MES traveler system that maintains full substrate traceability. SP3 currently operates 8 deposition chambers at its Santa Clara facility, with infrastructure to scale to 20 chambers and the ability to provision additional reactors within 12 weeks. Coating capabilities span thicknesses from 3um to 50um across nano-crystalline, micro-crystalline, and low-stress diamond morphologies, as well as boron-doped diamond for electrochemical applications, supported by over 100 man-years of accumulated R&D and an in-house CNC machining center for daily performance testing.

The business operates three revenue streams: per-job coating services (the largest), proprietary reactor equipment sales, and process technology licensing. Pricing is quote-based and not publicly disclosed, with typical turn-times of 2-3 weeks for cutting tools and 2-5 weeks for thicker or more complex coatings, and multi-year purchase agreements are used for regularly scheduled production orders. The company serves enterprise customers across at least four verticals (cutting tools, semiconductor, water treatment/electrochemical, and industrial wear) and reaches the Republic of Korea market through a channel partnership with Greenspec, Inc. SP3 is a subsidiary of SP3 Inc., which in 2007 divested its cutting tool business by spinning out SP3 Diamond Cutting Tools as a separate and independent company, leaving SP3 Inc. focused exclusively on coating services and equipment.

Name

SP3 Diamond Technologies

Legal name

SP3 Diamond Technologies

Website

https://sp3diamondtech.com

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

SP3 Diamond Technologies operates North America's largest hot-filament CVD diamond deposition capacity, providing diamond coating services, proprietary HFCVD reactors, and process technology licensing to cutting tool, semiconductor, electrode, and industrial wear customers.

Ownership category

akta.pro rank

Product category

Industrial Diamond Coatings

NAICS

Paint and Coating Manufacturing (325510)

SIC

Paints, Varnishes, Lacquers, Enamels & Allied Prods (2851)

akta.pro primary industry

Synthetic/Lab-Grown Diamonds & Gemstones (Manufacturing & Trading) (CRAKAJAM)

Keywords

• CVD diamond coatings
• Diamond coating services
• HFCVD reactor equipment
• Cutting tool coatings
• CMP pad conditioners

Headquarters

HQ city

Santa Clara

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. CVD Diamond Coating Services: Provides CVD diamond coating services for cutting tools, electrodes, wear components, seals, silicon wafers, and CMP pad conditioners. Revenue is generated through per-job coating service fees based on coating type, thickness, and substrate characteristics.
2. CVD Diamond Deposition Equipment Sales: SP3 sells proprietary hot-filament CVD reactors (Model 655 single chamber and Model 665 dual chamber) for diamond film deposition in R&D and production applications.
3. Process Technology Licensing: SP3 licenses proprietary process technologies for CVD diamond coating to semiconductor fabs and CMP pad conditioner suppliers globally.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels3 records

Core offering

SP3 Diamond Technologies provides hot-filament chemical vapor deposition (HFCVD) diamond coating services applied to customer-supplied substrates, including cutting tools, electrodes, wear components, seals, silicon wafers, and CMP pad conditioners. The company also manufactures and sells proprietary HFCVD reactor systems (Model 655 single-chamber and Model 665 dual-chamber) and licenses its CVD diamond process technologies to semiconductor and CMP customers globally. Coating thickness range from 3µm to 50µm is offered using nanocrystalline, microcrystalline, low-stress NCD, and boron-doped diamond film morphologies.

Product overview

SP3 Diamond Technologies is a coating services company offering hot-filament CVD (HFCVD) diamond deposition services and proprietary reactor equipment. The core offering is CVD diamond coating services applied to cutting tools, electrodes, wear components, seals, silicon wafers, and CMP pad conditioners. The company also manufactures and sells Model 655 (single-chamber) and Model 665 (dual-chamber) HFCVD reactors for diamond deposition. Coating technologies include Nano-Crystalline Diamond (NCD), Micro-Crystalline Diamond (MCD), Low-Stress NCD (LSNCD), and Boron-Doped Diamond (BDD) for electrode applications. The company provides coating thickness options ranging from 3μm to 50μm, with different film morphologies optimized for specific applications.

Differentiator

Problem solved

Functional benefit

Products and services

• CVD Diamond Coating Services Custom hot-filament CVD diamond coating services for cutting tools, electrodes, wear components, seals, silicon wafers, and CMP pad conditioners, offering thin-film and wafer-scale polycrystalline diamond coatings on a wide variety of substrate materials with thicknesses from 3µm to 50µm.
• Cutting Tools Coating CVD diamond coating service for round cutting tools (drills, end mills, taps, routers) and tungsten carbide inserts, optimized for machining composites (CFRP), graphite, green ceramics, ceramic matrix composites, non-ferrous metals, filled plastics, and Kevlar composites.
• Electrodes Coating Boron-doped diamond (BDD) electrode coating service for water treatment, wastewater treatment, water disinfection, ozone production, and electrochemical applications, providing superior corrosion stability, wide potential window, and low erosion rates.
• Wear Components Coating CVD diamond coating service for plasma etching chamber consumables, focus rings, form tools, pivots, bearing seals, wire guides/dies, and nozzles requiring extreme durability under harsh conditions including plasma, sliding contact, and electrochemical exposure.
• Seals Coating CVD diamond coating service for mechanical seals in pumps and rotary machines, utilizing nanocrystalline diamond morphologies to minimize friction and provide chemical resistance over large coating areas exceeding 350mm by 375mm.
• Wafers (Diamond-on-Silicon) Coating Diamond-on-silicon (DOS) deposition service for silicon wafers providing thermal conductivity for semiconductor, MEMS, and III-V device applications, available with microcrystalline or nanocrystalline films, doped or un-doped.
• CMP Pad Conditioners Coating CVD diamond nanocrystalline and microcrystalline film coating service for chemical mechanical planarization (CMP) pad conditioners, providing hardness, low friction coefficient, and chemical inertness for semiconductor manufacturing at 45nm node and below.
• Model 655 Single-Chamber HFCVD Reactor Proprietary hot-filament CVD reactor for single-chamber diamond deposition in R&D and production applications, featuring precise process control, real-time variable monitoring, and an integrated multi-step recipe-driven process controller.
• Model 665 Dual-Chamber HFCVD Reactor Proprietary hot-filament CVD reactor for dual-chamber diamond deposition, offering increased throughput while maintaining precise and repeatable diamond deposition characteristics.
• CVD Diamond Process Technology Licensing Licensing of proprietary hot-filament CVD diamond process technologies to semiconductor fabs and CMP pad conditioner suppliers globally, enabling customers to operate SP3-derived processes in their own facilities.

Quantifiable outcome

• Cutting tool throughput capacity of 30,000 units per month for ¼ in. diameter tools with 9um coating
• +3 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

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.

• Greenspec, Inc.regionalChannel Partner/ Reseller/ DistributorGreenspec, Inc. serves as a regional contact office and channel partner for SP3 Diamond Technologies in the Republic of Korea. Located at 90-4, Galgot-ri, Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do, South Korea, providing sales and support for Korean customers.

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Sumitomo Electric: Sumitomo Electric produces CBN, sintered diamond, and CVD diamond-coated cutting tools and components — a broad incumbent in industrial superabrasive tooling with overlapping presence in diamond-coated cutting tools comparable to SP3's offering.
• Element Six: Element Six is the world's largest synthetic diamond producer (De Beers subsidiary), offering CVD diamond materials, coatings, and engineered solutions across cutting tools, semiconductor thermal management, and electrochemical applications — directly competing with SP3 in CVD diamond deposition at a much larger scale.
• Morgan Advanced Materials: Morgan Advanced Materials provides engineered ceramic and diamond-based components including CVD diamond products for industrial, semiconductor, and thermal management applications — comparable as a broad industrial materials incumbent with overlapping CVD diamond offerings.
• CoorsTek: CoorsTek is a global engineered ceramics producer offering diamond and diamond-like-carbon coated components for cutting tools and semiconductor applications — a broad incumbent in technical ceramics with overlapping CVD diamond coating capability.

Direct peers

• IIa Technologies: IIa Technologies is a Singapore-based producer of CVD diamond materials and components, including diamond-on-silicon substrates and optical-grade diamond films, directly competing with SP3 in semiconductor and industrial CVD diamond markets.
• CVD Equipment Corporation: CVD Equipment Corporation designs and manufactures chemical vapor deposition reactors used across semiconductor, aerospace, and advanced materials markets — a direct equipment peer to SP3's Model 655 and Model 665 HFCVD reactor product line.
• Diamond Innovations: Diamond Innovations (a Hyperion Materials & Technologies business) produces synthetic diamond grit and CVD diamond products for industrial tooling and semiconductor applications — comparable as a direct peer in engineered diamond materials and components.
• Diamond Materials GmbH: Diamond Materials is a German manufacturer of CVD diamond-coated products and equipment serving cutting tools, mechanical seals, and semiconductor applications — a direct European peer in industrial CVD diamond deposition services.

Others

• SP3 Diamond Cutting Tools: SP3 Diamond Cutting Tools was spun off from SP3 Inc. in 2007 and remains closely affiliated with SP3 Diamond Technologies. It is a related entity sharing historical lineage and customer relationships in the diamond-coated cutting tool market.

Emerging players

• Advanced Diamond Technologies: Advanced Diamond Technologies (ADT) commercializes ultrananocrystalline diamond coatings spun out of Argonne National Laboratory, serving wear, MEMS, and industrial applications — comparable as a specialist competitor in diamond deposition services targeting adjacent end uses.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 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 SP3 Diamond Technologies