What Ibule Photonics does

iBULe Photonics Inc. is a South Korea-based, privately-held materials science and sensor company founded in 1999 by CEO Sang-Goo Lee, headquartered in Incheon. The firm specializes in the growth and processing of high-performance PMN-PT and PIN-PMN-PT piezoelectric single crystals using a proprietary Bridgman method, with current production diameters up to 4.5 inches across three generations (1G PMN-PT, 2G PIN-PMN-PT, and 3G Mn-doped PIN-PMN-PT).

The company's product portfolio spans the full vertical from raw single crystal wafer materials to integrated application devices. Application products include underwater acoustic sensors (Broadband Tonpilz, Ring Transducers, Vector Sensors) for naval defense and anti-submarine warfare, MEMS Lidar actuators fabricated on up to 8-inch wafers, non-destructive testing probes for industrial inspection, the iTheragnostic-SC1 portable therapeutic-diagnostic 2D phased array ultrasound system, and a transparent piezoelectric speaker for consumer applications. Underlying the portfolio is proprietary FPSC (Film Piezo Single Crystal) MEMS processing technology that enables bonding of single crystals onto silicon wafers for miniaturized sensor form factors.

The business operates as a B2B enterprise supplier with direct sales engagement, targeting three primary verticals: defense (sonar, submarine communication, ASW systems), medical ultrasound imaging, and industrial non-destructive testing. Revenue mechanics appear to rest on hardware sales of crystal materials and finished sensor devices, with potential licensing of Bridgman growth intellectual property. The company holds no disclosed funding rounds, operates without known institutional investors, and is supported by Korean government designations as a Core Strategic Technology company (2020) and Excellence Enterprise (2021). Named commercial milestones include the 2005 Phillips whisker probe partnership, and the firm has operating reach spanning Korea, the United States, and Japan.

Name

Ibule Photonics

Legal name

iBULe Photonics Inc.

Website

https://ibule.com

Company type

Private

Founded year

1999

Operating status

Operating

Short description

iBULe Photonics is a privately-held South Korean materials science company that grows PMN-PT and PIN-PMN-PT piezoelectric single crystals via its proprietary Bridgman method and manufactures underwater acoustic sensors, MEMS Lidar, NDT probes, medical ultrasound systems, and piezoelectric speakers for defense, medical, and industrial customers.

Ownership category

akta.pro rank

Product category

Piezoelectric single crystal materials and sensor devices

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (33451), Electromedical and Electrotherapeutic Apparatus Manufacturing (334510), Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Electromedical & Electrotherapeutic Apparatus (3845), Laboratory Analytical Instruments (3826)

akta.pro primary industry

Microphones & Acoustic MEMS (MEMS Mics/Ultrasonic Transducers) (HDAHALAH)

akta.pro secondary industries

Frequency Control Components (Quartz Crystals/Oscillators/Resonators) (HDAHANAF), Machine Vision & Optical Sensing (Cameras, 3D vision, LiDAR, illumination) (IMAGAFAB), Optoelectronics & Photonics (LED/Laser/Optical ICs) (HDAHAAAH)

Keywords

• Piezoelectric single crystals
• Underwater acoustic sensors
• Medical ultrasound transducers
• Non-destructive testing probes
• MEMS piezoelectric sensors

Headquarters

HQ city

Incheon

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Piezoelectric Single Crystal Material Sales: Sale of 1G (PMN-PT), 2G (PIN-PMN-PT), and 3G (Mn: PIN-PMN-PT) single crystal materials in various sizes and orientations for use in transducer manufacturing.
2. Sensor and Application Device Sales: Manufacturing and sale of application devices including underwater acoustic sensors, MEMS lidar, non-destructive sensors, therapeutic diagnostic ultrasound probes, and piezoelectric speakers utilizing proprietary single crystal technology.
3. Single Crystal Technology Licensing: Potential licensing of Bridgman growth method technology and related intellectual property for single crystal production.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

iBULe Photonics grows and processes PMN-PT and PIN-PMN-PT piezoelectric single crystal materials using a proprietary Bridgman method, and manufactures a portfolio of application devices built on those crystals — including underwater acoustic sensors (Broadband Tonpilz, Ring transducers, Vector Sensors), MEMS Lidar actuators, non-destructive testing sensors, the iTheragnostic-SC1 ultrasound probe, and transparent piezoelectric speakers. Sales are direct to enterprise customers in defense, medical ultrasound, and industrial inspection markets.

Product overview

Ibule Photonics is a materials science and sensor technology company offering a portfolio of advanced products centered on proprietary high-performance piezoelectric single crystals. The core offering consists of PMN-PT and PIN-PMN-PT single crystal materials (1G, 2G, and 3G generations) that serve as the foundation for multiple specialized sensor products. These materials feed into defense-grade underwater acoustic sensors (Tonpilz, Ring, and Vector transducers), MEMS Lidar actuators, non-destructive testing probes, the iTheragnostic-SC1 medical ultrasound probe system, and consumer applications like transparent speakers. The product line spans from raw materials (wafers) to integrated systems (portable ultrasound imaging systems), unified by single crystal piezoelectric technology.

Differentiator

Problem solved

Functional benefit

Brands

• iTheragnostic-SC1: 2 In 1 Ultrasound 2D Probe combining therapeutic and diagnostic functions with piezoelectric single crystal 2D array probe technology.

Products and services

• Piezoelectric Single Crystal Material High-performance PMN-PT and PIN-PMN-PT piezoelectric single crystal wafers in 1G, 2G, and 3G (Mn-doped) generations up to 4.5 inches in diameter, poled in [001] and [011] orientations for use in medical ultrasound transducers, defense sensors, and other piezoelectric device manufacturing.
• Underwater Acoustic Sensors Single-crystal-based underwater acoustic sensor family including Broadband Tonpilz Transducers for SAS projectors, Broadband Ring Transducers for underwater communications, compact Vector Sensors with integrated hydrophone and accelerometers, and Multilayer Actuator devices — supplied to defense and naval OEMs for sonar, submarine communication, countermeasure, and UUV/AUV applications.
• MEMS Lidar Lidar sensor using a Piezo Single Crystal PMN-PT MEMS actuator fabricated on wafers up to 8 inches in diameter, delivering an optical scan angle of 30 degrees at 3.5 kHz resonance frequency under 5.5 Vpp drive voltage, targeting compact optical sensing applications.
• Non-Destructive Sensor Single-crystal-based non-destructive testing probes for industrial inspection and defense applications, offering approximately 50% higher coupling constants and 650% higher piezoelectric constants than PZT ceramics, with 78% lower elastic modulus enabling reduced transducer size.
• iTheragnostic-SC1 2-in-1 diagnostic and therapeutic ultrasound 2D phased-array probe combining piezoelectric single crystal 2D array, integrated beamforming, and 3D imaging in a portable laptop-operable system with high piezoelectric coefficient and broad bandwidth.
• Piezo Single Crystal Speaker World-first 60x60mm large-area transparent piezoelectric single crystal speaker using a 300x300x0.5mm transparent single crystal film actuator (0.3mm piezo thickness), delivering high sound output from a thin and light transparent form factor.

Quantifiable outcome

• 50% higher coupling constants over PZT ceramics
• +6 more outcomes

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

One partnership is on record.

• Stanford University / Office of Naval Research (ONR)coreStrategic or Co-development Partner · 1 January 1998Collaborative research relationship established in 1998 for single crystal growth technology development. Dr. Sang Ku Lee conducted PMN-PT Single Crystal Growth research using Bridgman Law under ONR sponsorship at Stanford University, resulting in seminal publication and foundational technology development for the company.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Ultra Electronics (Cobham):
• CTS Corporation: CTS Corporation manufactures piezoelectric components, sensors, and actuators across automotive, industrial, and medical markets after acquiring Noliac and filter businesses — a larger incumbent competing with iBULe in piezo components and ceramic-based sensors.
• Teledyne Marine (Teledyne Technologies): Teledyne Marine supplies sonar transducers, hydrophones, and underwater acoustic sensors for defense and oceanographic applications — a direct customer/competitor overlap with iBULe's underwater acoustic sensor line for defense customers.
• Knowles Electronics: Knowles is a global leader in MEMS microphones and acoustic components serving hearing, mobile, and IoT markets — a larger incumbent competing with iBULe's piezoelectric acoustic MEMS and sensor products at higher volume but lower specialization.

Direct peers

• TRS Technologies: TRS Technologies is a US-based specialist in PMN-PT and PIN-PMN-PT piezoelectric single crystal materials — the closest direct material-technology peer to iBULe, competing for the same transducer-grade crystal wafer customers in medical ultrasound and defense sonar.
• PI Ceramic (Physik Instrumente): PI Ceramic is a leading manufacturer of piezoelectric ceramic components and actuators used in ultrasonic, sensor, and positioning applications — directly comparable in product category to iBULe's piezoelectric component portfolio, though centered on PZT rather than single crystals.
• Sonion: Sonion designs and manufactures miniature acoustic and ultrasonic transducers for hearing health and medical applications using MEMS and piezoelectric technology — directly comparable to iBULe's acoustic sensor and MEMS resonator product lines.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

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 Ibule Photonics