Wave Technology List of Products and 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

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the composition (types) of circuit board data. We provide a diagram outlining the general flow from circuit board design to manufacturing. Our company can convert Gerber data into our CAD data (CR5000BD) for design purposes when revisions to existing circuit boards are necessary, such as for the development of similar models or for dealing with discontinued parts (EOL, discon). If you need design work that utilizes existing design assets, please feel free to contact us. 【Main Circuit Board Design CAD (Excerpt)】 ■CR5000BD (Zuken) - Circuit board CAD data file extension: .pcb/.rul - Cover data file extension: .phl/.phd ■CR8000DF (Zuken) - Circuit board CAD data file extension: .dsgn - Cover data file extension: fph/fpl *For more details, please refer to the PDF document or feel free to contact us.

• Circuit board design and manufacturing

★★Shirutoku Report: Useful Information You Can Benefit From★★ This report introduces the utilization of "interface circuits" that make measurement convenient, which is being worked on by the Custom Technology Division. Our company occasionally prepares original "interface circuits" with high versatility, and this time we are featuring one of those examples. Proposing solutions to our customers' challenges is a hallmark of our services. We look forward to hearing from those who are interested. 【Contents (Excerpt)】 ■ Providing services centered around custom measurement ■ What is an interface circuit? ■ Image of the configuration of an interface circuit (analog isolation circuit board) ■ Production board for interface circuits (analog isolation circuit board) *For more details, please refer to the PDF document or feel free to contact us.

• Other Connectors
• Other inspection equipment and devices
• Contract measurement

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the "antenna," which is essential for communication devices. We describe the antennas commonly used in wireless communication devices along with their features. Our company provides support services to address improvements in antenna communication distance, so if you have any inquiries or would like to consult with us, please feel free to contact us. 【Contents】 ■ Antennas used in wireless communication devices ■ Grounding (GND) is important for antennas! ■ Be cautious with the substrate when using pattern antennas! ■ Check the finish once the substrate is completed! ■ Pay attention to the area around the antenna! ■ Strategies for improving antenna communication distance *For more details, please refer to the PDF document or feel free to contact us.*

• antenna

★★Shirutoku Report: Useful Information You Should Know★★ In this report, we introduce the most frequently asked questions from customers regarding the development of waterproof products and their solutions. You may have come across the terms "waterproof specifications IPX5, 6, 7" in various product fields. Waterproof specifications have become a standard feature in smartphones, and as a result, the demand for waterproof functionality is increasingly being sought in consumer products as a whole. We provide answers and key points to questions such as "What are the structural differences between waterproof and non-waterproof products?" and "What does the evaluation of waterproof products entail?" We encourage you to read through it. 【Contents (Excerpt)】 ■Question: What are the structural differences between waterproof and non-waterproof products? ■Question: I want to have a certain level of waterproof performance, but I would rather prioritize design and production costs. In such cases, what level of protection rating is achievable? ■Question: What does the evaluation of waterproof products entail? *For more details, please refer to the PDF document or feel free to contact us.

• Circuit board design and manufacturing

★★Shirutoku Report: Useful Information You Should Know★★ This report introduces the circuit operation of power converters. A power converter is a device that converts the direct current (DC) generated by solar panels into alternating current (AC) for commercial power systems. As an example, we have included a configuration diagram that only describes the power circuit in a transformerless method. Please take a moment to read it. 【Featured Content】 ■ About the circuit operation of power converters - Chopper circuit - Inverter circuit ■ Have you ever experienced issues such as the device not operating even though it was built according to the circuit diagram, or switching elements failing immediately? *For more details, please refer to the PDF document or feel free to contact us.

• inverter

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 November 2, 2021, to November 30, 2021. It introduces articles such as "Now we can see the magnetic field lines!" from November 2, 2021, "New Employee Training: Learning in the First Six Months" from November 16, 2021, and "Challenges Faced by Simulation Engineers" from November 22, 2021. Additionally, it includes a wealth of useful information related to products and industries. We encourage you to read it. [Contents] ■ November 2, 2021: Now we can see the magnetic field lines! ■ November 9, 2021: Important points regarding technical standard compliance certification (Giteki) for IEEE802.11ax (Wi-Fi 6) compatible Wi-Fi products ■ November 16, 2021: New Employee Training: Learning in the First Six Months ■ November 22, 2021: Challenges Faced by Simulation Engineers ■ November 30, 2021: Current Measurement for "Power Semiconductor" Switching Evaluation *For more details, please refer to the PDF document or feel free to contact us.

• Embedded system design service
• EMC countermeasure products
• EMC Testing

This document summarizes the WTI blog of Wave Technology Co., Ltd., a "development design promotion business" that addresses the shortage of engineers, covering the period from 2017 to 2020. Starting with "What Points Should Be Noted in the Development of Waterproof Products?" dated May 22, 2018, it also introduces "Acoustic Integrated Design for Compact Devices" from June 26, 2018, and "How Are Metal Enclosures Made?" from March 12, 2019. In addition, we have published a wealth of useful information regarding products and industries. We encourage you to read it. [Excerpt of Contents] ■ January 10, 2017: There are many things to do in enclosure design, but I will do my best for our customers! ■ January 17, 2017: There are many things to do in enclosure design, but I will do my best for our customers! (Part 2) ■ July 18, 2017: Troubled by waterproof design ← We have introduced a strong ally! *For more details, please refer to the PDF document or feel free to contact us.

• Embedded system design service
• EMC countermeasure products
• EMC Testing

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, covering the period from 2016 to 2020. It introduces various topics, starting with the "WTI's Anechoic Chamber Rental & EMI Countermeasure Verification Service" on December 7, 2016, as well as "EMI Testing - What is Noise Measurement?" on November 27, 2020, and "Various Issues with Annoying Static Electricity that Frequently Occur in Winter" on January 21, 2021. Additionally, it includes a wealth of useful information related to products and industries. We encourage you to read it. [Excerpt of Contents] ■ November 7, 2016: The Anechoic Chamber is Fully Booked! What to Do? EMI Measures ■ September 28, 2020: Insulation and Noise Countermeasures ■ November 27, 2020: EMI Testing - What is Noise Measurement? ■ December 25, 2020: What is EMS Testing? *For more details, please refer to the PDF document or feel free to contact us.

• Embedded system design service
• EMC countermeasure products
• EMC Testing

This document summarizes the WTI blog of Wave Technology Co., Ltd., which is engaged in "development and design promotion business" to solve the shortage of engineers, from October 5, 2021, to October 26, 2021. It introduces topics such as "Points to Consider in High-Frequency Circuit Design Using Surface-Mount Devices" from October 5, 2021, "Studying Circuit Board Design! (In-House Antenna Course Edition)" from October 19, 2021, and "Leave Hardware and Software Embedded Development to Us" from October 26, 2021. Additionally, it includes a wealth of useful information related to products and industries. We encourage you to read it. [Contents] ■ October 5, 2021: Points to Consider in High-Frequency Circuit Design Using Surface-Mount Devices ■ October 12, 2021: Key Points to Consider in Cardboard Box Design – Line Drawing Edition ■ October 19, 2021: Studying Circuit Board Design! (In-House Antenna Course Edition) ■ October 26, 2021: Leave Hardware and Software Embedded Development to Us *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., a "development design promotion business" that addresses the shortage of engineers, covering the period from 2017 to 2020, focusing on circuit board design. Starting with "The Importance of Telepathic Communication with Circuit Designers in Circuit Board Design" from October 17, 2017, it also introduces "Are Circuit Board Structure and Component Packaging Actually Deeply Related?" from December 3, 2019, and "Tips for Reducing Printed Circuit Board Costs" from June 30, 2020. In addition, we provide a wealth of useful information related to products and industries. We encourage you to read it. [Contents (excerpt)] ■ October 17, 2017: The Importance of Telepathic Communication with Circuit Designers in Circuit Board Design! ■ November 13, 2018: Circuit Board Revision with Cover Data? ■ May 19, 2019: Characteristic Impedance and Circuit Board Design ■ August 27, 2019: Do You Know? Types of Equipment and Their Uses ■ December 3, 2019: Are Circuit Board Structure and Component Packaging Actually Deeply Related? *For more details, please refer to the PDF document or feel free to contact us.

• Circuit board design and manufacturing

This document summarizes the WTI blog of Wave Technology Co., Ltd., a "Development Design Promotion Business" that addresses the shortage of engineers, covering the period from 2017 to 2020. It introduces various topics, including "Thermal stress caused by temperature changes is larger than expected" from February 13, 2018, "Preventive diagnostics are necessary to address thermal issues!" from October 8, 2019, and "Thermal simulation is not easy to perform" from February 17, 2021. Additionally, it includes a wealth of useful information related to products and industries. We encourage you to read it. [Excerpt of Contents] ■ March 21, 2017: There is no thermal margin left for equipment! To predict correctly, it is necessary to understand semiconductors. ■ February 13, 2018: Thermal stress caused by temperature changes is larger than expected. ■ November 27, 2018: Towards reliability evaluation of semiconductor package implementation - Daisy chain samples to identify breakage points. *For more details, please refer to the PDF document or feel free to contact us.

• Communications

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 September 7, 2021, to September 28, 2021. Starting with "Reading the Book 'Mind Map: The Ultimate Textbook'" on September 7, 2021, it also introduces "What is Device Modeling" on September 14, 2021, and "ESD/Surge Countermeasures for Semiconductor Products" on September 21, 2021. In addition, we have published a wealth of useful information regarding products and industries. Please take a moment to read it. [Contents] ■ September 7, 2021: Reading the Book 'Mind Map: The Ultimate Textbook' ■ September 14, 2021: What is Device Modeling ■ September 21, 2021: ESD/Surge Countermeasures for Semiconductor Products ■ September 28, 2021: The Theory of Serpentine Wiring *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., a "development design promotion business" that addresses the shortage of engineers, covering the years 2017 to 2020, focusing on optical communication and devices. It introduces various topics, including "Why do we use light for communication?" from September 18, 2018, "Why do optical semiconductor devices fail?" from April 2, 2019, and "WTI supports sustainable development" from June 15, 2021. Additionally, it contains a wealth of useful information related to products and industries. We encourage you to read it. [Excerpt of Contents] ■ May 9, 2017: Introduction to optical communication and optoelectronic conversion devices! ■ August 29, 2017: Precise assembly technology is necessary to determine the characteristics of optical devices! ■ November 28, 2017: Lasers are used in various fields! ■ September 18, 2018: Why do we use light for communication? ■ December 18, 2018: "Optical fibers" are also important for evaluating optical devices. *For more details, please refer to the PDF document or feel free to contact us.

• Communications

The "Electronic Component Replacement Consideration Service" is a service that leads to the resolution of the concern, "I am struggling with the consideration of replacing electronic components..." We provide a one-stop solution for alternative product research, redesign, prototyping, and evaluation regarding electronic component replacement considerations. Our technical range is broad, capable of handling everything from analog and digital to high-frequency circuits, as well as board, mechanical, and thermal design, allowing us to meet diverse customer needs. 【Features】 ■ One-stop support for alternative product research, redesign, prototyping, and evaluation ■ Broad technical range available ■ Ability to respond to diverse customer needs *For more details, please refer to the PDF document or feel free to contact us.

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This document summarizes the WTI blog and proxy services of Wave Technology Co., Ltd., which is engaged in the "Development Design Promotion Business" to solve the shortage of engineers, covering the period from 2018 to 2020. It introduces various topics, starting with "What is Technical Standards Conformity Certification? (What is Giteki?)" on March 26, 2019, as well as "How to Reduce Costs for Wireless Modules" on July 9, 2019, and "What Should Be Prepared for Technical Standards Conformity Certification (Giteki) Application?" on February 4, 2020. Additionally, we have published a wealth of useful information regarding products and industries. We encourage you to read through it. [Published Content (Excerpt)] ■ February 27, 2018: Antenna Design, Evaluation, and Certification Application (Support for Analysis and Improvement of Existing Development Products) ■ January 8, 2019: Connecting All People and Things Wirelessly ■ March 26, 2019: What is Technical Standards Conformity Certification? (What is Giteki?) ■ July 2, 2019: We have started a proxy service for investigating chemical substances contained in products! ■ July 9, 2019: How to Reduce Costs for Wireless Modules *For more details, please refer to the PDF document or feel free to contact us.

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