シチズンファインデバイス List of Products and Services

Our combustion pressure sensor (cylinder pressure sensor) is a sensor developed to measure pressure fluctuations occurring inside the cylinders of internal combustion engines in real-time and with high precision. Due to its high performance and reliability, it has been adopted by various fields, including automotive manufacturers, for research and development as well as in mass-produced vehicles. Main Features: High Precision and High Resolution: It can accurately capture even the slightest pressure changes during the combustion cycle, contributing to a detailed understanding of the engine's combustion state. Wide Measurement Range: There is a lineup that can accommodate various pressure ranges, from low to high pressure. In particular, high-pressure specifications such as 400 bar (approximately 40 MPa) and 800 bar (approximately 80 MPa) are also available, making it suitable for high-performance engines, turbocharged engines, and alternative fuel engines that operate under high-pressure combustion. High-Speed Response: It possesses high-speed response capabilities that can accurately track changes even in phenomena that fluctuate greatly over short periods, such as combustion. High Durability and Long Lifespan: With precision processing and assembly techniques cultivated in watch component manufacturing and strict quality control, it achieves high durability capable of withstanding the harsh environments unique to engines, such as vibrations, thermal shocks, and pressure fluctuations. The company conducts unique durability tests to verify performance in the gigacycle order.

• Sensors

It is a tabletop type conveyor. You can set the position, axis speed, and number of transports on the touch panel screen. Since imaging can be done at the same position each time, accurate factor analysis becomes possible, leading to a reduction in imaging time through repeated transport of various measurement points. It can be customized according to the application. It can be modified to suit various applications, such as profile sensors and line cameras.

• Image Processing Equipment
• Other semiconductor manufacturing equipment

Equipped with a pre-setup 3D sensor (3DPIXA). Comes standard with comprehensive imaging measurement software. Customization is also possible to suit the inspection targets of users. Please feel free to consult with us. We also accept verification requests.

• Color camera
• Other semiconductor manufacturing equipment

To solve the challenges of joining materials with different properties, such as glass, metal, alumina, and silicon, Citizen Fine Devices Co., Ltd. offers advanced dissimilar material joining technology. With high vacuum implementation and sealing technology, we achieve products that balance performance and reliability. If you have any concerns such as: - "Joining with adhesives has become difficult due to miniaturization of components" - "Joining different materials is challenging" - "I want to meet high vacuum conditions" please feel free to contact us! 【Features of Citizen Fine Devices' dissimilar material joining technology】 ■ Supports a variety of material combinations → Capable of joining a wide range of materials, including glass-metal, alumina-metal, Si-metal, and metal-metal ■ Balances airtightness and strength → By precise process design, we enhance the airtightness of the joint while ensuring joining strength, demonstrating reliability even in high vacuum environments and under stringent usage conditions ■ Consistent support from development to mass production → Utilizing our extensive experience in MEMS development, we provide one-stop support from wafer processing to implementation *Please check the PDF download for materials summarizing Citizen Fine Devices' MEMS contract development technology.

• Processing Contract

By applying ceramics raw material technology and cutting and polishing technology, we manufacture micro-ceramic parts that are less than 1mm.

• Ceramics

Sintering after molding produces products with fewer defects by conducting production under the best conditions tailored to the characteristics of each material, including temperature control, atmosphere, vacuum, and nitrogen environment.

• Ceramics

The GVM series is a high-performance and highly reliable galvanometer scanner equipped with optical high-precision analog sensors. It features low inertia, high torque, high precision linearity, high positional accuracy, excellent temperature characteristics, and minimal influence from humidity, allowing for high-speed and high-precision scanning of laser mirrors (galvano mirrors) over a wide range. This product is used in a variety of galvanometer systems for laser scanning applications. 【Features】 ■ Low inertia and high torque ■ High precision linearity and positional accuracy ■ Minimal humidity influence and excellent temperature characteristics ■ Uniform and stable product *For more details, please request documentation or view the PDF data available for download.

• Other motors

The "brushless motor" is a product that enables a longer lifespan than ever before. By adopting our unique coreless winding, smooth rotation from low to high speeds is achieved. Additionally, the use of thin electromagnetic steel plates with excellent high-frequency characteristics results in minimal iron loss during high-speed rotation and low heat generation. Furthermore, we can accommodate custom requests tailored to our customers' needs, so please feel free to consult with us. 【Features】 ■ High output ■ Long lifespan ■ Smooth rotation ■ Extensive lineup ■ Custom options available *For more details, please refer to the catalog or feel free to contact us.

• Other motors

We develop processing machines tailored to the needs of manufacturing processes, handling everything from development and design to production in-house, providing high-value-added rationalization devices. We have various experiences in manual tooling, semi-automation, and automating visual inspections. Our secondary processing NC lathe, which enables the machining of complex-shaped parts, achieves rationalization through customizable designs that allow for pallet supply and sampling depending on the application. Additionally, we have equipped our machines with precision measuring instruments, enabling product measurement before and after processing. For rationalization, automation, quality improvement, and alleviating labor shortages. If you have any concerns, please feel free to consult with us. We contribute to visual inspection, high-precision inspection, automation solutions, inline verification, compatibility with diverse materials, easy operation, high reliability, cost reduction, customization, compact design, and have numerous achievements.

• Other FA equipment

<Product Features and Strengths> - Measurement possible without circulating around the current line with a very small sensor head - Capable of measuring both AC and DC - Relative sensor (depends on the distance between the wire and the sensor) <Advantages of Optical Measurement> - No superimposed electromagnetic noise - High electrical insulation and safety - No insertion impedance - No frequency derating required

• Optical Measuring Instruments

The sealing bonding technology of Citizen Fine Devices allows for strong adhesion of dissimilar materials by using metal as an adhesive. <Method> ● Strong adhesion is achieved through metal melting via heat treatment. <Result> ● Uniform melting enables sealing without gaps. ● Stable melting allows for strong adhesion. By processing under high temperature and high vacuum, uniform metal melting is realized. Using metal provides high chemical resistance, making it suitable for bonding in medical devices. By utilizing plating, the bonding area can be specified, achieving high bonding precision. We are offering technical materials on sealing bonding! If you are interested, please download the catalog.

• Other processing machines

We have developed high-precision, high-durability ceramic sliding bearings by applying the molding technology and ultra-precision processing techniques cultivated in the manufacturing of watch bearing stones. Due to their high reliability, we have received numerous inquiries and are supplying them to the market. Our unique precision inner diameter grinding technology and cylindrical grinding technology achieve a level of precision and surface roughness that surpasses that of metal bearings, contributing to high wear resistance, excellent quietness, and extended lifespan. Additionally, ceramics excel in wear resistance, which reduces the generation of wear particles, and their high rigidity prevents deformation even when subjected to impacts such as drops. Leveraging our advanced production technology, we deliver mass-produced, consistently high-quality bearings. ■ Features Our near-net shaping, honed through the manufacturing of watch bearing stones, minimizes unnecessary material input and excessive waste from grinding, contributing to the SDGs. We use zirconia material with a thermal expansion coefficient close to that of SUS materials commonly used for shafts. ■ Molding and precision processing technologies developed in the manufacturing of watch bearing stones ■ Achieving superior inner diameter precision and surface roughness compared to metal using precision inner diameter grinding technology ■ Contributing to noise reduction and extended lifespan due to high wear resistance ■ Reducing the generation of wear particles due to excellent wear resistance ■ High rigidity prevents deformation even when subjected to impacts such as drops.

• Metal bearings

★Joining of Dissimilar Materials By using metal as an adhesive, dissimilar materials can be firmly bonded through stable melting. Processing under high temperature and high vacuum achieves uniform metal melting. Using metal provides high chemical resistance, making it suitable for bonding medical devices. By utilizing plating, the bonding area can be specified, achieving high bonding precision. ★Anchor plate The anchor effect holds the specimen in an optimal shape at the desired position. ★Precision Jigs and Precision Molds These are high-precision tools utilizing semiconductor MEMS technology. Additionally, we offer a range of developed products such as liquid particle counters and MEMS products. If you would like detailed materials, please request them.

• Analytical Equipment and Devices

Samarium-cobalt magnets have a high Curie point of 800°C and are resistant to rust; however, they are considered brittle and difficult to process compared to neodymium magnets. Our company specializes in brittle processing technology to produce small cylindrical magnets with an outer diameter of less than Φ1.5 mm, with the smallest being Φ0.7 mm, while minimizing chipping and cracking. We can deliver stable, high-quality magnets finished to an internal and external tolerance of ±0.005 mm. With our long-established technology and skills in material crushing, mixing, molding, sintering, processing, and inspection, we can meet our customers' needs to the fullest extent. We can also accommodate plating treatments upon request.

• Stepping motor

The gemstones of Citizen Fine Devices have achieved a world-class share due to their high wear resistance and high precision dimensional accuracy. We offer consistent processing from granulation to molding, firing, and completion in a wide variety of mass production. With a transparency that is nearly indistinguishable from synthetic ruby, we provide stable quality utilizing our in-house processing machines, tools, and years of accumulated technology. If you have specific shapes or dimensions in mind, please feel free to consult with us. 【Features】 ■ High wear resistance and high precision dimensional accuracy ■ Widely adopted in fields such as watches, measuring instruments, and meters ■ Consistent processing from granulation to molding, firing, and completion in a wide variety of mass production ■ Transparency that is nearly indistinguishable from synthetic ruby ■ Near-net shape molding allows for the provision of blanks close to the final dimensions *For more details, please refer to the PDF document or feel free to contact us.

• Plastic bearings

- In-house consistent processing for hydrophilic, water-repellent, and anchor production using unique processing equipment! - Processing for materials ranging from metal to glass is also possible! - Development of hydrophilic laser processing is also possible!

• Analytical Equipment and Devices

■Ultra-fine: L/S of about 2μm is possible ■Durability: Withdrawal slope of 0° to 30° ■Complexity: Release properties, anti-fouling properties, and extended lifespan ■Release properties: Complex shapes are possible

• Resin mold

■Ultra-high precision 3D structures using semiconductor processes ■Ultra-fine flow paths that achieve high precision and speed in mixing, separation, and extraction

• Analytical Equipment and Devices

Over 50 years since the start of our business, we have refined our techniques in cutting, polishing, LAP, and POL for crystals and brittle materials. The processing of crystal wafers through machining will continue to evolve, pursuing smaller sizes and higher precision, and we will strive to provide optimal proposals for our customers. In addition to supplying crystal wafers, we also accommodate wafer supply.

• Oscillator

Customers in the telecommunications industry have limited experience and knowledge regarding sub-mounts, which has led to an inability to engage in equal discussions. As a result, most specifications were determined based on proposals from manufacturers, leading to issues such as defects arising later. Our company provides detailed technical explanations and considerations for each of the customer's concerns and requests, allowing us to make proposals on the spot. As a result, we created a specification document and held follow-up meetings to ensure the customer fully understood it before finalizing and delivering the document, which led to very appreciative feedback from them. [Case Summary (Excerpt)] ■ Concerns about sub-mounts - Limited experience and knowledge regarding sub-mounts - Inability to engage in equal discussions with the sub-mount manufacturer found - Most specifications were determined based on proposals from the manufacturer, resulting in defects later on *For more details, please refer to the related links or feel free to contact us.

• Other metal materials

Here are some frequently asked questions about the "thin film circuit boards (carrier/submount)" that we handle. Starting with "What kind of metal is the metal thin film?" and including questions like "What is the composition of the solder? (types)" and "What kinds of films can be made with metals?" we provide answers to many inquiries. Feel free to use this information for product selection, and don't hesitate to contact us for more details. 【Excerpt of Questions】 ■ What kind of metal is the metal thin film? ■ What is the composition of the solder? (types) ■ What methods can be used for patterns? ■ What types of substrates can be prepared? ■ What kinds of equipment are available? *For more details, please refer to the related links or feel free to contact us.

• Other metal materials

Our company has extensive experience in the manufacturing of ceramic components, conducting integrated production from raw material formulation and granulation to molding, firing, and processing. Our ceramic components possess the flexibility to accommodate a variety of applications and contribute to solving your challenges, such as "pursuing dimensional accuracy" and "aiming for high functionality." We can provide extremely small parts, insulating components for field-through applications, magnets and bearing stones for watches, as well as bearings for fans and motors. 【Product Lineup (Partial)】 ■ Micro Parts ■ Insulating Components for Field-Through Applications ■ Ceramic Magnets and Hole Stones ■ Ceramic Sliding Bearings ■ Precious Stones (Alumina Bearings) ■ Thin Film Circuit Boards (Submounts) *For more details, please refer to the PDF materials. Feel free to contact us with any inquiries.

• Ceramics

Based on the precision processing cultivated in watch production, we can provide solutions that combine MEMS, functional thin film, and packaging technologies. We contribute to a wide range of fields including medical, semiconductor, information and communication, and aerospace. We offer "microplates" that hold samples in suitable shapes at targeted positions using the anchoring effect, and we design "microfluidic" chips for inspection and drug discovery that control liquids through ultra-fine processing, providing consistent support from molding to bonding and inspection. 【Features】 ■ Functional thin films ■ One-stop support from wafer processing to implementation 【Technologies】 ■ Bonding and sealing: We can manufacture consistently from implementation to packaging. Example: Sealing ceramic packages with glass lids using AuSn bonding. ■ Microfabrication: Custom designs tailored to customer needs are possible. Example: Processing of silicon molds, etc. ■ Functional thin films: A wide variety of thin film types are available. Example: Optical thin films, electrode films, water-repellent and hydrophobic films, magnetic films, solder films, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Processing Contract

We are expanding the precision machining technology cultivated in clock and automotive parts processing to a wide range of fields, including medical and industrial sectors. By sharing equipment, we can achieve low-volume and diverse production. Additionally, using in-house manufactured equipment, we can also handle more complex part machining and assembly of multiple components.

• Other Auto Parts

MEMS foundries require "Si technology and film deposition technology" in the front-end processes and "assembly and packaging technology" in the back-end processes. There are only a few companies capable of packaging, which has become a problem for customers. Citizen Fine Devices will solve our customers' issues.

• Sensors

We would like to introduce "ceramic products," which have been gaining attention in recent years as alternatives to metals. Do you have concerns about issues such as specified surface roughness, clearance precision, cylindricity precision, or dimensional accuracy? With many years of experience in handling ceramics and a wealth of achievements as a bearing manufacturer, we can confidently deliver high-precision ceramic components. 【Features】 ■ Extensive experience in handling ceramics ■ Rich track record as a bearing manufacturer ■ Capable of dimensional accuracy up to ±0.3μm ■ Lighter and more wear-resistant than metals ■ Specifications tailored for a wide range of applications *For more details, please refer to the PDF document or feel free to contact us.

• Ceramics

Our company applies and develops the film formation and thin film processing technologies cultivated in the manufacturing of thin film magnetic heads (HDD, FDD) and optical prism components to create thin film electrodes, resistive films, and solder films tailored to substrates such as ceramic substrates, forming them into high-precision fine circuit patterns. We are also capable of patterning on three-dimensional surfaces and thick film Cu plating. Our customers use our products not only in Japan but also in various countries around the world, including Asia and Europe and the Americas. We will continue to develop new technologies in the future. ■ Standard substrate materials (thermal conductivity W/m·K) AlN (170~230) AlN/Cu (~270) SiC (~370) ■ Applications Laser diode (LD) mounting substrates Light-emitting diode (LED) mounting substrates Photodiode (PD) mounting substrates ■ Laser market applications Visible light semiconductor lasers Optical communication (FTTx, data centers, mobile base stations) Consumer industrial applications (sensors, LiDAR, laser processing, medical) Lighting (projectors, automotive headlights), etc.

• Circuit board design and manufacturing

The "AT-cut crystal oscillator" is a crystal device product that can be used in a wide range of applications such as communication equipment, AV equipment, and measurement instruments. We offer various types of products, including a plastic type packaged in a heat-resistant cylinder, a ceramic type that employs a highly reliable ceramic package to achieve excellent environmental characteristics, a short tube type that can be taped upon request, and a surface-mounted version of the short tube type. 【Features】 ○ All types are RoHS compliant ○ Lead-free (surface mount and ceramic types) For more details, please contact us or download the catalog.

• Oscillator

We introduce "crystal oscillators" such as tuning fork types and AT-cut types, as well as "crystal oscillators" for clock and programmable clock applications. This catalog features various products, including the cylinder-type tuning fork crystal oscillator "CFS-206・CFS-145," suitable for wristwatches and security devices, the surface mount and jacket-type tuning fork crystal oscillator "CMR200T," suitable for various meters and general consumer devices, and metal can type AT-cut crystal oscillators, among other crystal oscillators. [Contents (partial)] ■ Product features ■ External dimensions (mm) ■ Recommended land pattern (mm) ■ Standard specifications ■ Parts numbering system *For details, please request the materials or view the PDF data from the download.

• Oscillator

The "tuning fork type crystal oscillator" is a crystal device product suitable for mobile devices due to its low power consumption. We offer a variety of types, including lead-forming types compatible with automatic mounting and reflow soldering, jacket types with excellent mounting characteristics, heat-resistant cylinders packaged in resin molds, ultra-small surface mount types, and other various types. 【Features】 ○ Can be used as a clock source for mobile devices and various equipment ○ High mounting efficiency, suitable for high-density boards (ultra-small surface mount type) ○ Ceramic package adopted (ceramic type) For more details, please contact us or download the catalog.

• Oscillator

The "crystal oscillator" is a crystal device product that can be used in a wide range of applications such as communication equipment, AV equipment, and measurement instruments. We offer a series of products including clock crystal oscillators, voltage-controlled crystal oscillators, and programmable clock crystal oscillators. 【Features】 ○ All types are RoHS compliant ○ All types are surface mount and ceramic types ○ Lead-free (for programmable clock use) ○ 2,000 pieces per reel For more details, please contact us or download the catalog.

• Oscillator

The "SA Series" is a series of highly durable contact-type displacement sensors and controllers. We offer a rich lineup, including the "SA-S110," which adopts an absolute method to prevent miscounts, the "SA-SD," which has a compact body with various functions and can be connected with up to 16 units, and the "SA-CD1," a 49mm square controller with a two-color display that clearly indicates pass or fail. 【Product Lineup】 ■SA-S110/SA-S510 ■SA-S532 ■SA-SD1AP/SD1AC/SD1C/SDNC ■SA-ERS/SA-ECL ■SA-CD1N ■SA-MC8/MC16, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Sensors

- This is a measuring instrument suitable for the manufacturing process designed with usability in mind by our company, which manufactures clock parts and automotive parts. - There are products that can measure even items with oil on them. - It enables 100% inspection and assurance within the manufacturing equipment. - Additional modifications can be made to existing equipment, allowing for minimal investment and effective results. - Advanced quality assurance and cost reduction through the elimination of inspections and shortening of processing times can be achieved. - The 'SA-S110AP/SA-S510AP' is a contact-type displacement sensor that is robust in environments with oil, coolant, and mist. 【Features】 ■ Air purge specification ■ Environmentally resistant type ■ Strong against oil, coolant, and mist environments

• Sensors

Our company offers the ultra-compact, high-definition display "FLCOS," which leverages the characteristics of ferroelectric liquid crystals and LCOS. The "F" in FLCOS stands for "FLC = ferroelectric liquid crystal," making it a device that combines the advantages of LCOS with the strength of ferroelectric liquid crystals, specifically their "high responsiveness." It achieves a switching speed that is significantly faster than conventional LCOS displays, at 1/10,000 of a second. 【Features】 ■ Ultra-compact, high-definition display that utilizes the characteristics of ferroelectric liquid crystals and LCOS ■ All drivers are integrated within the silicon chip ■ High responsiveness ■ Versatile applications *For more details, please refer to the PDF materials or feel free to contact us.

• LCD display

Our company manufactures "small automotive parts" such as engine components and body control parts using precision machining technology refined through watch component processing. By combining "metal parts processing technology, hard and brittle material processing technology, assembly technology, and automation technology," we provide products in four areas: safety, comfort, environment, and control. Integrated manufacturing enables high precision and mass production. 【Features】 ■ Consistent production from design and development ■ In-house design and development of necessary equipment ■ Production and development at domestic and overseas factories *For more details, please refer to the PDF document or feel free to contact us.

• Engine parts