Wave Technology Product Lineup

This document summarizes the WTI blog of Wave Technology Co., Ltd., a "development design promotion business" that addresses the shortage of engineers, from February 1, 2022, to February 22, 2022. It includes topics such as "Experience SDGs Motors and Power Generation" from February 1, 2022, and "Challenge LIN Communication Using Infineon’s In-Vehicle Microcontroller Evaluation Board AURIX(TM) TC375 Lite kitV2! (Part 1)" from February 8, 2022. Additionally, it features a wealth of useful information regarding products and industries. We encourage you to read it. [Contents] ■ February 1, 2022: Experience SDGs Motors and Power Generation ■ February 8, 2022: Infineon’s In-Vehicle Microcontroller Evaluation Board - Challenge LIN Communication Using AURIX(TM) TC375 Lite kitV2! (Part 1) ■ February 15, 2022: Introduction to the Sale of Disassembly Investigation Reports♪ ■ February 22, 2022: Case Studies of Issues in Waterproof Design *For more details, please refer to the PDF document or feel free to contact us.

• Other electronic parts
• Communications
• Embedded system design service

We offer a "Disassembly Investigation Report" (Reverse Engineering Report) that combines our unique perspective and research expertise. Our investigation goes beyond just disassembly, BOM creation, and circuit diagramming; we also delve into the characteristics of the target product (electrical characteristics, temperature rise). Our engineers, who have extensive experience in the field of reverse engineering, provide reports from a unique designer's perspective. *The price for the report starts at ¥198,000. Please contact us for more details. 【Features】 ■ Combines a unique perspective and research expertise ■ Partial sales of reports and comparative reports for two models are available upon request ■ Our engineers, with rich experience, report from a unique designer's perspective ■ Investigation goes beyond disassembly, BOM creation, and circuit diagramming to include the characteristics of the target product (electrical characteristics, temperature rise) *For more details, please refer to the PDF document or feel free to contact us.

• others

★★Shirutoku Report: Useful Information You Should Know★★ What kind of measuring instruments do you use when evaluating the electrical characteristics of semiconductors like MOSFETs and bipolar transistors? While there are dedicated testers, curve tracers are also convenient for easy evaluation. However, when using a curve tracer, have you ever thought, "There are so many evaluation items, manual operation is a hassle..." or "There are so many evaluations, it would be great if I could operate it more easily..."? If these needs can be met, you will be freed from the enormous evaluation time. Therefore, we would like to introduce the 'Automatic Measurement System for Curve Tracers.' For more details, please take a look. [Contents] ■ Automatic Measurement System for Curve Tracers *For more information, please refer to the PDF document or feel free to contact us.

• Other electronic measuring instruments
• Other inspection equipment and devices
• Semiconductor inspection/test equipment

★★Shirutoku Report: Useful Information You Should Know★★ The Structural Design Department primarily focuses on "structural design of metal and plastic enclosures using CAD" and "front-loading development using thermal fluid simulation/structural simulation technologies." *There are various names for structural analysis, structural CAE, stress analysis, FEM analysis, etc. In this report, we will briefly introduce our efforts in structural simulation and then discuss the analysis of rubber products (which are useful in waterproof design, among other applications). For more details, please take a moment to read through it. [Contents] ■ Efforts in Structural Simulation ■ Analysis of Rubber Products (Useful in Waterproof Design, etc.) *For more information, please refer to the PDF document or feel free to contact us.

• Structural Analysis
• Stress Analysis

★★Shirutoku Report: Useful Information You Can Benefit From★★ The "Custom Measurement Service" is a service that provides the functions required in your research and development environment in the form of a tailor-made "custom measurement system." Are you thinking, "But a tailor-made system seems too high-end..."? At WTI, we can relatively easily build a system by collaborating with partner companies and combining it with existing equipment. In this report, we will introduce this service based on case studies. For more details, please be sure to read on. [Contents] ■Case Study: Partner Company A *For more information, please refer to the PDF document or feel free to contact us.*

• Other contract services
• Other electronic measuring instruments
• Evaluation Board

★★Shirutoku Report: Useful Information You Can Benefit From★★ How do you compile data collected from various measuring instruments into reports during evaluation analysis? Many of you might be manually and patiently rearranging data or creating graphs. When the volume becomes enormous, it can take a lot of time and be inefficient. If there are mistakes, you might have to start all over again. It would be great to have something that anyone can use, doesn’t take much time, and doesn’t lead to errors. That’s why we want to introduce our company’s 'Data Analysis Tool.' For more details, please take a moment to read on. [Contents] ■ Data Analysis Tool provided by Wave Technology *For more information, please refer to the PDF document or feel free to contact us.*

• Other analyses

★★Shirutoku Report: Useful Information You Can Benefit From★★ I mainly design matching circuits for high-frequency power amplifiers used in commercial radio equipment. In this report, I will share my experiences regarding the discontinuation of capacitors (EOL: End Of Life). For more details, please take a moment to read on. 【Contents】 ■ Recent EOL situation ■ Alternative capacitors may lead to performance issues!? *For more information, please refer to the PDF document or feel free to contact us.*

• High frequency/microwave parts
• Capacitor

★★Shirutoku Report: Useful Information You Can Benefit From★★ Suddenly, do you all know about "reliability testing"? In brief, it is a collective term for various tests that evaluate the reliability (performance, durability, safety, failure rate, etc.) of a product. The main objectives are to confirm whether the performance meets the design specifications and to assess whether it meets market quality requirements. In this report, we will introduce one of the durability tests for power devices, known as the "power cycle test." For more details, please take a moment to read on. 【Contents】 ■ Short Power Cycle Test (Reference: JEITA-ED-4701/601 602) ■ Long Power Cycle Test (Reference: JEITA-ED-4701/603) *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services
• Contract Inspection
• Other inspection equipment and devices

★★Shirutoku Report: Useful Information You Can Benefit From★★ When you want to "check characteristics while changing a certain parameter," "automatic measurement" is convenient. In this report, I would like to briefly explain how to perform "instrument control" necessary for automatic measurement. For more details, please be sure to read on. 【Contents】 ■ Automatic Measurement / Step 1: Connect the PC and the measuring instrument ■ Automatic Measurement / Step 2: Prepare the control library ■ Automatic Measurement / Step 3: Send commands to control the measuring instrument ■ Common Commands *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

★★Shirutoku Report: Useful Information You Can Benefit From★★ The most challenging aspect I encountered while developing programs was the implementation of algorithms. There are many interesting algorithms, and recently I had the opportunity to explore Q-Learning, which is a type of reinforcement learning related to machine learning. I created a program (Cheese Puzzle Simulator) to demonstrate it. Q-Learning is one of the algorithms in reinforcement learning and is utilized in various fields, from autonomous driving to fintech. In this report, I would like to briefly introduce the Q-Learning algorithm. For more details, please feel free to read on. [Contents] ■Challenges ■Explanations *For more information, please refer to the PDF document or feel free to contact us.*

• others
• Software (middle, driver, security, etc.)
• Other embedded systems (software and hardware)

★★Shirutoku Report: Useful Information You Can Benefit From★★ In daily life, we don't often think about it, but when the temperature of an object changes, thermal expansion and contraction occur. The magnitude of this expansion and contraction varies depending on the properties of each material (coefficient of linear expansion). In this report, we will discuss the thermal stress caused by this thermal expansion and contraction. For more details, please take a moment to read it. 【Contents】 ■ Simple thermal warping calculation tool for laminated boards *For more information, please refer to the PDF document or feel free to contact us.*

• others
• Stress Analysis

★★Shirutoku Report: Useful Information You Should Know★★ In recent years, while products have been miniaturizing, thermal issues have continued to worsen, and we have seen an increasing trend in inquiries from customers regarding thermal analysis. The content of these inquiries varies, but in this report, we will briefly explain the thermal resistance of semiconductors, which is essential for thermal analysis. For more details, please take a moment to read through it. [Contents] ■Typical thermal resistances and their formulas *For more information, please refer to the PDF document or feel free to contact us.*

• Other semiconductors
• Other analyses
• others

We would like to introduce our "Wireless Power Transfer Demonstration Device." The receiving circuit is installed underwater, and wireless power is transmitted through glass from the power transmission circuit to the receiving circuit. The power transmission circuit collects sensor information simultaneously with wireless power transfer. This can be applied to monitor the vacuum level of a vacuum chamber, as well as the temperature inside a constant temperature bath. 【Features】 ■ Receiving circuit installed underwater ■ Wireless power transfer through glass from the power transmission circuit to the receiving circuit ■ Water temperature measured with a temperature sensor mounted on the receiving circuit ■ Power transmission circuit collects sensor information simultaneously with wireless power transfer ■ Monitored temperature displayed on a PC ■ Receiving circuit can be individually recognized by ID *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services

We would like to introduce our "High-Frequency Power Board." By using our wireless power evaluation high-frequency power board and reference antenna, you can confirm the operation of wireless power transmission. The high-frequency power board can output up to 50W, and with the reference antenna, it can operate with a load of up to 35W at a power transmission distance of 40mm. We also accommodate custom antenna designs according to your requests, so please feel free to contact us when needed. 【Features】 ■ Uses our wireless power evaluation high-frequency power board and reference antenna ■ High-frequency power board can output up to 50W ■ Reference antenna can operate with a load of up to 35W at a power transmission distance of 40mm ■ Operates LED tape (12V) and fan (5V) as loads ■ The output start switch allows you to toggle the LED and fan On/Off by waving your hand *For more details, please refer to the PDF document or feel free to contact us.

• Embedded system design service
• Circuit board design and manufacturing
• Printed Circuit Board

We would like to introduce our "Wireless Power Transfer Demo Unit." A brightness sensor, temperature sensor, and receiving circuit are installed on a rotating table, allowing for wireless power transfer from the transmission circuit to the receiving circuit. The transmission circuit collects sensor information simultaneously with wireless power transfer. The sensors can be replaced with various types, making it possible to install them in locations that were previously not feasible. 【Features】 ■ Brightness sensor, temperature sensor, and receiving circuit installed on a rotating table ■ Wireless power transfer from the transmission circuit to the receiving circuit ■ Activation of each sensor connected to the receiving circuit ■ The transmission circuit collects sensor information simultaneously with wireless power transfer ■ Monitor sensor information on a PC *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services

★★Shirutoku Report: Useful Information You Can Benefit From★★ This report introduces the examination of microcurrent measuring devices. Previously, I created a microcurrent measuring device for work. There are various methods for measuring microcurrents, but the method used this time is called the "feedback method." I will explain the basic circuit of this method. For more details, please be sure to read on. 【Contents】 ■ Target performance of microcurrent measuring devices ■ Basic principles of microcurrent measurement ■ Determining the measurement range ■ Selection of OP amps ■ Phase compensation capacitors ■ Conclusion *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the multi-channelization of automatic measurement. "Multi-channelization" refers to the process of enabling a measurement device that originally has only one channel to measure multiple points with a single trigger by continuously connecting switch circuits. Through multi-channelization, challenges such as "wanting to automatically measure a large number of samples at once" and "unable to perform automatic measurement due to the need to switch connections" can be resolved. For more details, please take a moment to read. 【Contents】 ■ Multi-channelization of automatic measurement ■ Principles of multi-channel automatic measurement ■ Points to note for multi-channel automatic measurement ■ Conclusion *For more information, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces DRC. DRC stands for Design Rule Check, which is a function of PCB CAD that verifies whether the design adheres to the set design rules and can automatically detect violations of those rules. The advent of PCB CAD has reduced labor costs and improved the quality of PCB design. While DRC is very convenient, it is crucial to correctly set the design rules for the PCB CAD to accurately identify rule violations. For more details, please take a look. 【Contents】 ■ About DRC - Items for setting design rules in PCB design *For more information, please refer to the PDF document or feel free to contact us.*

• Printed Circuit Board
• Other CAD
• Other CAD related software

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces considerations for component placement. It is rare to use a circuit board in isolation; it is often housed in a case or connected to other devices. In component placement considerations, we first position components that cannot be moved structurally, such as connectors and switches. For other components, we proceed with the placement while paying attention to structural placement constraints (height limitations of components, prohibited areas for placement and wiring). For more details, please take a moment to read through. 【Contents】 ■ Consideration of structural constraints in component placement ■ Placement considerations based on electrical characteristics ■ Wiring considerations *For more information, please refer to the PDF document or feel free to contact us.

• Printed Circuit Board
• Other electronic parts

Our company is offering an online course titled "Basics of Power Devices." In response to customer feedback such as "I want to improve my skills since I have more time at home" and "I can't understand even when studying on my own," we have prepared both on-demand courses and live streaming courses. You will understand the structure and operating principles of power devices, as well as key points from datasheets. Additionally, we provide confirmation tests and detailed explanations from instructors. If you have any requests regarding other online courses, please feel free to consult us. [Online Course Content] ■ Overview of Power Devices ■ Diodes ■ Basic functions and operating principles of MOSFETs and IGBTs ■ Characteristics of Power MOSFETs and IGBTs ■ Physical properties of SiC devices and their advantages as power devices *For more details, please refer to the PDF materials or feel free to contact us.

• Piezoelectric Devices
• Other semiconductors
• Technical Seminar

★★Shirutoku Report: Useful Information You Can Benefit From★★ In this report, we would like to introduce the automatic control of measurement devices related to optical devices. To confirm the functionality of optical devices, multiple characteristics such as optical output, light reception sensitivity, and frequency characteristics are measured and evaluated. To evaluate these characteristics, a variety of measurement devices are used, including DC power supplies, temperature controllers, and optical component analyzers. For more details, please be sure to read on. 【Contents】 ■Automatic Control of Measurement Devices 　・Benefits of Automatically Controlling Measurement Devices *For more information, please refer to the PDF document or feel free to contact us.*

• Piezoelectric Devices
• Other measurement, recording and measuring instruments

★★Shirutoku Report: Useful Information You Should Know★★ In this report, we will discuss the analysis methods for "BGA packages." "BGA" stands for "Ball Grid Array," which is a type of package for integrated circuits (ICs). In simple terms, it is a surface mount package that has electrodes (lands) on the substrate, with solder balls formed on top to connect to the electrodes on the package side. For more details, please take a look. [Contents] ■ About BGA Packages ■ Dyeing Analysis ■ Cross-Section Polishing *For more information, please refer to the PDF document or feel free to contact us.*

• Contract Analysis
• Contract Analysis
• Other analyses

★★Shirutoku Report: Useful Information You Should Know★★ In WTI's circuit board design, we handle various types of board designs, including large-scale circuits, multilayer wiring boards, high-density mounting boards, and flexible printed circuits (FPC). Particularly in demand are the designs for small, high-density mounting boards used in IoT devices and wearable devices. To reduce the size of products and lower the cost of boards, it is common to adopt BGA packages for microcontrollers and FPGAs. This report discusses 'BGA Board Design.' We encourage you to read it. [Contents] ■ About BGA Board Design *For more details, please refer to the PDF document or feel free to contact us.*

• Circuit board design and manufacturing
• Board to Board Connectors
• Board to Cable Connector

★★Shirutoku Report: Useful Information You Should Know★★ When designing for waterproofing, many people tend to focus solely on the gasket parts of the enclosure. In fact, the screw areas require even more attention than the main waterproof sections. In this report, we discuss the screw structures in waterproof design and the points to consider that are frequently asked about. Please take a moment to read it. 【Contents】 ■ Services we have received inquiries about ■ Frequently asked questions - What specifications should be applied for waterproof screws? - What is the most important point to be cautious about when using waterproof screws? *For more details, please refer to the PDF document or feel free to contact us.

• Waterproof Connector

★★Shirutoku Report: Useful Information You Should Know★★ In this report, we will focus on the response to the discontinuation of parts using "FPGA." This is not about replacing the parts themselves with "FPGA," but rather introducing designs that implement measures for the discontinuation of LCD panel production using "FPGA." If you need designs such as "I want to perform data processing for high-speed serial communication with FPGA" or "I want to process signals from sensors with FPGA and transfer data," please feel free to contact us. 【Contents】 ■ Solutions with "FPGA"!? *For more details, please refer to the PDF document or feel free to contact us.*

• Circuit board design and manufacturing
• Board to Board Connectors
• Control Panel

This document summarizes the WTI blog of Wave Technology Co., Ltd., which is engaged in the "Development Design Promotion Business" to solve the shortage of engineers, from January 11, 2022, to January 25, 2022. It introduces topics such as "What is needed for assembling semiconductor packages" from January 11, 2022, "Inquiry case studies from substrate manufacturers" from January 18, 2022, and "The birth of WTI's navigation character 'Namirin's' Air POP balloon!" from January 25, 2021. In addition, we have published a wealth of useful information related to products and industries. We encourage you to read it. [Contents] ■ January 11, 2022 "What is needed for assembling semiconductor packages" ~ Printed Circuit Board Design Edition ~ ■ January 18, 2022 Inquiry case studies from substrate manufacturers ~ Substrate design also requires adjustments that align with the manufacturing processes of substrate manufacturers ~ ■ January 25, 2021 The birth of WTI's navigation character "Namirin's" Air POP balloon! *For more details, please refer to the PDF document or feel free to contact us.

• Other semiconductors
• Printed Circuit Board
• Other electronic parts

★★Shirutoku Report: Useful Information You Should Know★★ Printed circuit boards (PCBs) are relatively expensive components among electronic devices, and depending on the quality of the design, the use of the board may change, which can impact costs. You might consider searching for inexpensive PCB manufacturers overseas and adopting them, but the factors that significantly affect the cost of printed circuit boards are "board structure/layer count" and "board size." This report focuses on "board size" and introduces tips for reducing PCB costs. [Contents] ■ Tips for Reducing Costs Based on Board Size *For more details, please refer to the PDF document or feel free to contact us.*

• Printed Circuit Board

★★Shirutoku Report: Useful Information You Can Benefit From★★ This report introduces typical evaluations (drop tests, waterproof tests) conducted in the development and design of mobile communication devices. The drop test is the first test performed to confirm the strength of the casing. The waterproof test is based on protection grades related to waterproofing defined by IEC (International Electrotechnical Commission) and JIS (Japanese Industrial Standards), and it is necessary to select a testing method that suits the product's purpose. In addition to structural evaluations, there are other tests such as pressure tests and key press tests, and WTI is capable of handling various tests. If you have any inquiries about what we can do, please feel free to reach out to us. [Contents] ■ Drop Test ■ Waterproof Test *For more details, please refer to the PDF document or feel free to contact us.*

• Impact Test
• others

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the "Structure of PCBs." It includes topics such as "Classification by PCB Structure," "Conductor Materials and Solder Resist," and "The Importance of Initial Considerations in PCB Structure." Our company is also capable of PCB design starting from initial considerations, including PCB structure. If you have any concerns, please feel free to reach out to us. 【Contents】 ■ Classification by PCB Structure ■ Conductor Materials and Solder Resist ■ The Importance of Initial Considerations in PCB Structure ■ About Flexible PCBs *For more details, please refer to the PDF document or feel free to contact us.*

• Printed Circuit Board

★★Shirutoku Report Useful Information You Should Know★★ The ESP32 is a microcontroller that integrates Wi-Fi and Bluetooth, manufactured by Espressif Systems, a wireless chip maker based in Shanghai. OTA stands for Over The Air, which allows programming to be written via wireless networks such as Wi-Fi, mobile data communication, and Bluetooth. In this report, we attempted programming using OTA on the ESP32 microcontroller, and we will introduce the details of that experience. [Contents] ■ What is ESP32 ■ What is OTA ■ Boards Used ■ Writing the Program *For more details, please refer to the PDF document or feel free to contact us.

• LED Module
• Other information systems

★★Shirutoku Report: Useful Information You Should Know★★ The required performance of developed products is increasing year by year, leading to a more challenging thermal situation due to the need to make products thinner and smaller, as well as the addition of circuit functions (such as communication functions), which increases heat sources. In response, our company has decided to offer a service to assess the presence of thermal issues and the difficulty of thermal design early in the design process (preventive diagnosis of thermal issues). This report explains "Product Performance Requirements and Thermal Issues" and "Contents of Preventive Diagnosis of Thermal Issues." [Contents] ■ About Thermal Simulation ■ Product Performance Requirements and Thermal Issues ■ Contents of Preventive Diagnosis of Thermal Issues *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services

★★Shirutoku Report: Useful Information You Can Benefit From★★ The design values and finished values for wiring widths and layer spacing differ depending on the type of circuit board and manufacturing methods (such as subtractive methods, semi-additive methods, etc.). In this report, we will introduce the different types of circuit boards available. Additionally, WTI offers various types of circuit board design and prototyping services. Please feel free to reach out to us. 【Contents】 ■ Types of Circuit Boards and Their Applications *For more details, please refer to the PDF document or feel free to contact us.*

• Circuit board design and manufacturing
• Prototype Services
• Printed Circuit Board

★★Shirutoku Report: Useful Information You Can Benefit From★★ In recent years, our company has seen an increase in automotive-related operations and is involved with a vehicle-to-home (V2H) electric vehicle charging and discharging system. V2H stands for "Vehicle to Home," which is an abbreviation for a system that allows the use of an electric vehicle's battery at home. This report will introduce V2H. [Contents] ■ What is V2H? ■ What can you do with V2H? *For more details, please refer to the PDF document or feel free to contact us.*

• Power storage device
• Secondary Cells/Batteries
• power supply

★★Useful Information Report: Knowledge is Power★★ This report introduces the "characteristic impedance (wiring impedance)" of printed circuit boards. With the recent increase in the speed of digital signals, the design of digital circuit boards now requires the concept of distributed constant circuits rather than lumped constant circuits, making it essential to consider the characteristic impedance of the board in the design. So, how do we determine the characteristic impedance of a printed circuit board? [Contents] ■ Characteristic Impedance of Printed Circuit Boards *For more details, please refer to the PDF document or feel free to contact us.*

• Circuit board design and manufacturing
• Printed Circuit Board
• Prototype Services

★★Shirutoku Report: Useful Information You Should Know★★ By changing semiconductor materials from Si to SiC (silicon carbide), the breakdown voltage of Schottky Barrier Diodes (SBD) has improved, making them usable in DC/DC converters for PCS. While performance improves with SiC, cost issues had previously hindered its adoption. However, in the last year or two, cost challenges have been addressed, leading to increased opportunities for use. This report will briefly explain the types and characteristics of diodes. 【Contents】 ■ Types and Characteristics of Diodes *For more details, please refer to the PDF document or feel free to contact us.*

• diode
• power supply

★★Shirutoku Report: Useful Information You Can Benefit From★★ What kind of semiconductor failures come to mind when you think of them? First, you might think of damage caused by static electricity, right? Of course, optical semiconductors can also fail due to static electricity, but they can also fail due to light itself. In this report, we will explain a bit more about failures caused by light. [Contents] ■Failures Caused by Light *For more details, please refer to the PDF document or feel free to contact us.*

• diode
• Semiconductor inspection/test equipment
• Other semiconductors

★★Shirutoku Report: Useful Information You Can Benefit From★★ Without further ado, I will talk about the metal enclosures I am currently involved in developing. There are various processing methods for creating metal enclosures, and the design approach changes depending on the processing method. This report briefly introduces the representative processing methods and design approaches for metal enclosures. [Contents] ■ Press bending processing ■ Deep drawing processing ■ Die casting *For more details, please refer to the PDF document or feel free to contact us.

• Mold Design
• Processing Contract

★★Shirutoku Report: Useful Information You Should Know★★ The "power supply" is an essential component in electrical circuits. The "power supply" has functions such as converting voltage levels and transforming alternating current (AC) to direct current (DC). Among these, I would like to discuss the frequently used "DC-DC converter." A "DC-DC converter" is a device that converts direct current into direct current at different voltage levels. While detailed design methods can be referenced in specialized books, this report introduces key points for beginners when designing. [Contents] ■ Key Points in Circuit Design *For more details, please refer to the PDF document or feel free to contact us.*

• Circuit board design and manufacturing
• power supply

★★Useful Information Report: Knowledge is Gained★★ This report introduces a board called M5stack, which is equipped with a Wi-Fi module called "ESP32," along with practical examples of its use. The creation process is super simple: it searches for Wi-Fi signals and displays the acquired data on the screen. That's all there is to it. Please take a moment to read it. 【Contents】 ■How to Make a Simple Wi-Fi Checker ・Recipe *For more details, please refer to the PDF document or feel free to contact us.

• Other inspection equipment and devices

★★Shirutoku Report: Useful Information You Should Know★★ Power supply equipment must satisfy the lifespan of products with components such as electrolytic capacitors, phototransistors (optical communication devices), and relays. There are many instances where lifespan verification is conducted through lifespan calculations and electrical evaluations. This report introduces examples of electrical evaluations. [Contents] ■Electrolytic Capacitors ■Phototransistors *For more details, please refer to the PDF document or feel free to contact us.*

• Other inspection equipment and devices

★★Shirutoku Report: Useful Information You Can Benefit From★★ Our company is involved in the development of semiconductor package mounting technology and mounting reliability technology. We mainly focus on packages known as BGA (Ball Grid Array). In this report, we will introduce the daisy chain sample used for evaluating the mounting reliability of semiconductor packages. [Contents] ■ Daisy chain sample for identifying breakage locations ■ Daisy chain sample for identifying breakage locations - Case studies from customer inquiries *For more details, please refer to the PDF document or feel free to contact us.*

• Circuit board design and manufacturing
• Other semiconductors

This document summarizes the Tech Sherpa blog from January 8, 2021, to December 20, 2021. Starting with "Utilizing Experts is Recommended for Troublesome Issues" on January 8, 2021, it also includes "What is EMC Anyway? - Basic Definitions and History of EMC" from February 18, 2021, and "What Performance Tests are Available for Semiconductor Packaging Materials?" from April 26, 2021. We provide detailed explanations using photos and diagrams. Please take a moment to read it. [Contents (Excerpt)] ■ January 8, 2021: Utilizing Experts is Recommended for Troublesome Issues ■ January 13, 2021: We will exhibit at "International Logistics Comprehensive Exhibition 2021 in Aichi" ■ February 5, 2021: Would you like to investigate the design rules for semiconductor IC packages? ■ February 18, 2021: What is EMC Anyway? - Basic Definitions and History of EMC *For more details, please refer to the PDF document or feel free to contact us.

• Other services
• Other contract services
• Technical Seminar

This document summarizes the president's blog of Wave Technology Co., Ltd., which is engaged in the "Development Design Promotion Business" to solve the shortage of engineers, from July 7, 2021, to December 3, 2021. It introduces various posts, starting with "Nice to meet you, I'm Nakano" on July 7, 2021, as well as "What is WTI's proud training program?" on October 22, 2021, and "WTI's anechoic chamber has become even easier to use!" on December 3, 2021. Additionally, it includes a wealth of useful information regarding products and the industry. Please take a moment to read it. [Contents (excerpt)] ■ July 7, 2021: Nice to meet you, I'm Nakano ■ August 31, 2021: Are you prepared for regulations on chemical substances in products? ■ September 14, 2021: Technology is shifting from "enhancement" to "co-creation" *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services
• Embedded system design service
• Circuit board design and manufacturing

This document summarizes the WTI blog of Wave Technology Co., Ltd., which is engaged in the "Development Design Promotion Business" to solve the shortage of engineers, from December 7, 2021, to December 28, 2021. It introduces topics such as "Discussion on Wi-Fi Communication Standards" from December 7, 2021, "Easy Spice Simulation with Behavior" from December 21, 2021, and "Introduction to Semiconductor Package Assembly Process 'Wire Bond'" from December 28, 2021. In addition, we have published a wealth of useful information related to products and industries. We encourage you to read it. [Contents] ■ December 7, 2021: Discussion on Wi-Fi Communication Standards ■ December 14, 2021: What Does Quality Assurance Do? - Fault Analysis Method FTA Edition ■ December 21, 2021: Easy Spice Simulation with Behavior ■ December 28, 2021: Introduction to Semiconductor Package Assembly Process 'Wire Bond' *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services
• Embedded system design service
• Circuit board design and manufacturing

We are offering our "Radio Wave Anechoic Chamber Rental Service" at a special campaign price to celebrate its 5th anniversary. This rental service includes the "Simple Radio Wave Anechoic Chamber" and the "Electromagnetic Wave Visualization System." We also have a variety of noise countermeasure equipment, such as the "Electromagnetic Wave Visualization System" and the "Noise Terminal Voltage Measurement System." We encourage you to consider applying for this opportunity. 【Campaign Details】 ■ Price: 5,000 yen per hour (including tax) * An additional equipment training fee of 3,000 yen (including tax) is required. This fee is waived for customers who have used our service within the past year. ■ Options - Electromagnetic Wave Visualization System - Δ-type Power Supply Impedance Stabilization Circuit Network * For more details, please refer to the PDF document or feel free to contact us.

• Other services