ワイ・デー・ケー List of Products and Services

■ Contract Manufacturing Services for Communication and Electronic Equipment We flexibly support your product development from design to manufacturing. ◎ Software/Middleware - Application Development for Embedded Devices - Applications that can operate on no OS, RTOS, and Linux can be implemented in electronic devices. - MIB definition files can be created to implement SNMP functionality in electronic devices. - We have extensive experience in developing communication equipment. - We have in-house development experience in communication middleware (TCP/IP protocol stack, IP core). - We participated in the development of the TOPPERS/ASP kernel for the TOPPERS project. ◎ Hardware - PLD and FPGA Design Development - Circuit design for electronic devices is conducted using Verilog and VHDL descriptions. - We participate in the partner programs of Altera and XILINX. ◎ Hardware - Electrical and Electronic Circuits - Lead-free and compliant with RoHS. - From circuit pattern design to implementation and inspection, we handle it all. - Communication functions such as LAN, USB, 3G, and ZigBee can be implemented in electronic devices. If you are looking to outsource the manufacturing of communication and electronic equipment, please feel free to contact us.

• Contract manufacturing
• Communications

Attention those who want to produce electronic devices domestically! Contract Manufacturing (EMS) by YDK Corporation Thorough Analysis Report - Part 1 ■ Contract Manufacturing (EMS) by YDK Corporation We provide EMS for a wide variety of electronic devices, from prototyping to mass production. Our component procurement complies with RoHS, PFOS, REACH (SVHC), and CSA material certification. Our production system includes integrated production, cell production, and multi-variety low-volume production. We have a track record of transactions with over 100 companies and are involved in the manufacturing of devices related to communication equipment, control equipment, facility equipment, and medical devices. We are actively committed to pursuing QCD (Quality, Cost, Delivery). ■ Quality and Environmental Considerations ISO9001 and ISO14001 certified, RoHS compliant, green procurement, lead-free compliance. ■ Design Based on the technology cultivated in embedded network devices, we can develop software and hardware, including PLD/FPGA design, electronic circuit design, device driver development, middleware development, and application development. ■ Component Procurement - Procurement Capability for Short Lead Times and Low Costs Leveraging years of transaction experience and know-how, we can procure components quickly and at low cost. Procured components are organized and managed in our component storage area.

• EMS
• Circuit board design and manufacturing
• Contract manufacturing

We are YDK Corporation, committed to improving Quality, Cost, and Delivery, responding to the Service and Speed that our customers demand, and supporting industrial OEM/ODM products. ● Our Strengths 1. Integrated System for Design, Manufacturing, and Inspection [OEM/ODM] We provide an integrated system from design to manufacturing and inspection for industrial OEM/ODM products such as semiconductor manufacturing equipment and FA devices. We are also utilized as a base for new development and prototype production for fabless companies. 2. High-Quality and High-Precision Precision Machining Technology We can process difficult materials such as titanium, Inconel, and SUS, as well as aluminum. We have high-precision machining technology with processing accuracy of 5 microns and vacuum processing surface treatment technology. Please use us for parts procurement of OEM/ODM products. 3. Extensive Track Record in Demanding Fields such as Aerospace We have a wealth of experience in OEM/ODM for satellite-mounted components, optical components, vacuum chambers, LCD/semiconductor manufacturing equipment, and information communication devices. If you are considering OEM/ODM for precision mechanical parts or mechatronic devices, please contact us.

• Processing Contract
• Contract manufacturing
• Mechanical Design

■Assembly of Production Equipment (Manufacturing Equipment, Inspection Equipment) ●Features - Capable of assembling large equipment with a total weight of 50 tons. - Capable of assembling vacuum and wet systems. - Supports assembly precision in the micron range. 《Track Record of Production Equipment Assembly》 Semiconductor manufacturing equipment/inspection equipment/conveying robots LCD manufacturing equipment/inspection equipment/conveying robots Electrical panels/power boards FA equipment ●Clean Room (Assembly Environment) The floor is designed without columns to allow for flexible arrangements. Dimensions: Width 18m × Depth 32m × Ceiling Height 8.5m Entrance: Width 3.9m × Height 3.4m Cleanliness: Class 10,000 Load Capacity: 2 tons/square meter Pure Water: Maximum usage of 1000L/h Chiller: 0.49MPa, controlled at 5–30°C Forced Exhaust: 50 cubic meters/min, 400Pa N2 (Nitrogen Gas): 5 cubic meters/h (83L/min) Air (DRY): 0.83MPa, 1,225L/min ●Cranes (Assembly Equipment) Two cranes with a capacity of 4.8 tons + 4.8 tons (maximum 9.6 tons) and a height of 6.5m below the crane. With two cranes, it is possible to load parts with a maximum weight of 9.6 tons. This page provides basic information about equipment design.

• Mechanical Design
• Contract manufacturing
• Processing Contract

BMSspot is a battery management system that optimizes battery usage through a combination of a "battery pack with a built-in cell balancing circuit," a "communication unit that reports battery information via CAN," and a "remote monitoring terminal." ● BMU - Battery Management Unit (Communication Unit) Functions - Monitors the voltage, temperature, overcharging, over-discharging, and overcurrent of battery cells. - Calculates the state of charge (SOC) of the battery during operation. - Controls the cell balancing circuit. - Can control up to 16 CMUs. - Can transmit battery information via CAN. ● CMU - Cell Management Unit (Battery pack with built-in cell balancing circuit) Functions - Contains a cell balancing circuit that minimizes waste in battery cells. - Measures the voltage and temperature of battery cells. ● CANspot - CAN Data Logger Remote Monitoring Terminal - Communicates with the battery system via CAN. - Communicates with control devices via RS232C. - Allows remote monitoring using wireless LAN. - Allows remote monitoring using 3G/GSM. - Can output data to an SD card.

• Power Monitoring Equipment

ySOCK is a TCP/IP stack with over 10 years of history that can assist customers with "reduction of transfer time" and "support for special specifications." ● What is ySOCK? It is a TCP/IP stack for embedded systems that operates on the TOPPERS/JSP kernel. In addition to an IPv6-compatible TCP/IP stack, it includes a suite of application protocols such as HTTP, FTP, and DHCP, as well as MAC drivers for wireless LAN cards. ● Features - Supports encrypted communication - Compliant with ITRON TCP/IP API - Embedded royalty-free - Enables high-speed transfer with TCP accelerator - C language source code optimized for speed and portability * TCP accelerator: Proprietary hardware assist feature ● Support Information To ensure that even those without experience in porting TCP/IP stacks can use it with confidence, we offer customization and porting services. We also flexibly accommodate special specifications. Next, we will introduce the transfer speed of the TCP/IP stack "ySOCK" based on basic information.

• Communications
• Software (middle, driver, security, etc.)

We produce precision machined parts made of aluminum, SUS, and titanium. ● Features - We can produce with consideration for quality and the environment ‥ ISO9001 and ISO14001 certified - We can consolidate processes with five-axis machining - We can produce large parts ‥ Maximum size 6500×3000×800 - We can produce high-precision parts ‥ Machining accuracy within 5 microns - We can produce parts with small diameter holes - We can produce complex-shaped parts - We have multiple production bases ‥ Overseas (China), domestic (Iwate, Kanagawa, Tokyo, Saga) - You can trust us with machining difficult materials ‥ Titanium alloys, Inconel, SUS, etc. - We can handle everything from single items to mass production.

• Processing Contract
• Contract manufacturing
• Mechanical Design

Are you having trouble with the repair and maintenance (overhaul) of store computers? ■ We can respond to the following requests: ○ I would like assistance with parts procurement. ○ I would like help with system setup on-site. ○ I want to produce mechanical parts/cases. ○ I want to modify circuit boards to accommodate discontinued/terminated parts. ○ I would like to request regular repairs and maintenance (overhaul) of equipment. ○ I want to produce new models. Our company, which provides metal mechanical parts production and electronic equipment manufacturing services (EMS), can offer repair and maintenance (overhaul) services that leverage a wide range of technologies and know-how related to manufacturing, from parts procurement to design, production, and inspection. If you are looking for a partner company for repair and maintenance (overhaul), please contact us first. ● Examples of handled items: 1) Repair and maintenance (overhaul) of store computer system equipment. 2) Repair and maintenance (overhaul) of slips and passbook printers. 3) Repair and maintenance (overhaul) of banknote receiving and dispensing machines. 4) Repair and maintenance (overhaul) of CATV transmission terminal devices.

• Communications
• Industrial PCs
• others

Our company provides total support for customer needs, from product development to manufacturing inspection, centered on our development and manufacturing technology capabilities in electronics and mechatronics. ■ Areas of Expertise 【Precision Cutting】 High-precision, high-quality cutting parts made from aluminum, stainless steel, titanium, and engineering plastics, among others. ◆ High-precision components for semiconductor and LCD-related equipment ◆ Metal parts for optical communication systems ◆ Component parts for OA peripheral terminal equipment 【Equipment Design/Assembly】 ◆ Mechanical and Control Design Design of various tools and semiconductor/LCD manufacturing and inspection equipment - Mechanical and control design for wafer and cassette transfer machines - Design for FOUP and SMIF compatibility - Design of various loader/unloader devices - Design of various production and inspection equipment - Tooling design ◆ Equipment Assembly From unit manufacturing to equipment manufacturing for semiconductor/LCD manufacturing and inspection equipment Manufacturing of semiconductor/LCD transport robots - Manufacturing of various production and inspection equipment - Manufacturing of OA equipment 【Repair and Overhaul】 Repair and maintenance of financial terminal devices, transmission terminal devices, etc. - Financial terminal devices Voucher, passbook printers, cash deposit and withdrawal machines - Core transmission devices Analog communication, digital communication, optical communication - Transmission terminal devices MODEM, SDSL, CATV

• Processing Contract
• Mechanical Design

We will design, develop, and implement electronic devices according to your company's requirements. Our company responds to a wide variety of production needs, from prototypes to large lots, quickly, reliably, and at lower costs from overseas, thanks to our strong production innovation and extensive component procurement capabilities. ■ Design We can handle a wide range of electronic device development, including wireless remote monitoring, environmental energy-related products, and battery systems, leveraging our extensive experience from product planning to circuit design, PCB design, embedded software development and manufacturing, and prototype evaluation. ■ Component Procurement We have a track record of transactions with numerous component manufacturers, including major companies, and we procure components in-house at short lead times and low costs. ■ SMT Assembly We have two temperature and humidity-controlled SMT lines, allowing us to quickly respond to diverse, small-lot, and variable production through kit-based production. ■ PCB Assembly Completely segregated eutectic and lead-free lines. ■ Equipment Assembly We assemble unit products related to semiconductor manufacturing equipment, control panels, operation panels, and perform wiring work, completing them to their final form. ■ Equipment Inspection We ensure quality assurance in accordance with international standards, backed by our long-established reliable technical expertise. ■ Packaging and Shipping We provide packaging and transportation arrangements tailored to customer requests, delivering nationwide through our own regular shipping service.

• Integrated operation management

We respond to our customers' needs through a consistent system that covers specifications meetings, detailed design, precision parts processing, equipment assembly, and equipment inspection. We are also utilized as a base for new development and prototype production for fabless companies. ■ Areas of Expertise 　◇ Industrial equipment centered around semiconductor manufacturing equipment that requires high reliability 　◇ Production equipment that plays an active role in our customers' production lines 　◇ Control equipment and analytical instruments used in the medical field 　◇ Financial terminal equipment used in financial institutions

• Contract manufacturing
• Processing Contract
• Mechanical Design

We respond to our customers' needs through a consistent system that encompasses specification meetings, detailed design, precision parts processing, equipment assembly, and equipment inspection. We are also utilized as a base for new development and prototype production for fabless companies. ■ Areas of Expertise ◇ Equipment industry centered around semiconductor manufacturing equipment that requires high reliability ◇ Production equipment that operates on customers' production lines ◇ Control equipment and analytical instruments used in the medical field ◇ Financial terminal equipment used in financial institutions

• Contract manufacturing
• Processing Contract
• Mechanical Design

ySOCK6 demonstrates high performance across various CPUs. Particularly with Altera's Nios2 processor, it achieves an astonishing transfer speed of 43MByte/s (approximately 344Mbps) at 100MHz operation. ySOCK6 is a TCP/IP protocol stack developed independently by our company. With its unique implementations for efficient data management and a hardware assist feature called TCP accelerator, it boasts performance that surpasses others. It is ideal for the need to transfer large-sized data, such as images, at high speed. Even if the data is not as large as images, the ability to transfer quickly allows for shorter transfer times, enabling that time to be allocated to other processes. In addition to large data transfers, it is also an optimal product for customers who feel that their current TCP/IP protocol stack is heavy in processing. Furthermore, devices that have previously been composed of expensive and specialized products like optical cables can now be replaced with affordable and easily obtainable LAN products.

• Integrated operation management

We will utilize BMSspot to develop various energy solutions with abundant experience and high technology.

• Integrated operation management

We repair and overhaul a wide range of equipment, including CATV transmission equipment and store computer system equipment. We also respond to our customers' diverse needs with system startups, adjustments, and modification work in the field.

• Calibration and repair

We will design, develop, and implement the communication environment, security systems, and monitoring systems that your company wishes to realize. The development of communication infrastructure is extremely important from both safety and business perspectives. In particular, facility management and in-house management require the utmost care. Our company will utilize the latest technology to build a robust communication infrastructure that meets your needs. Please feel free to discuss your wishes, such as "It would be great if we could do this." We will propose feasible solutions. 【Examples】 Remote monitoring of buildings and facilities Taxi dispatch and card payment Nursing and bed management Monitoring of agricultural land and greenhouses Environmental monitoring Battery management systems And many more

• Integrated operation management

This is an introduction to YDK Corporation, which supports the cutting edge of the world with its "precision machining." We perform high-reliability precision machining of components ranging from satellite-mounted parts expanding into space, underwater relay components laid deep in the ocean, optical components that extensively use five-axis machining, to high-precision parts that support semiconductor manufacturing equipment and vacuum chamber components. ■ Product Line 　◇ Optical system components 　◇ Parts for semiconductor manufacturing equipment, FPD manufacturing equipment, and other industrial manufacturing equipment 　◇ Parts for information processing systems ■ Areas of Expertise 　◇ High-precision, high-quality machined parts made from aluminum, stainless steel, titanium, and engineering plastics 　◇ High-precision parts for semiconductors, LCDs, and optical system devices 　◇ Large components for LCDs We respond to customer requests for mass production, prototype machining, and micro-machining. *For more details, please request our materials or contact us.

• Processing Contract