Bluetooth Headset Certification under Japan’s Radio Law

Bluetooth Headset Certification under Japan's Radio Law

As a major consumer market for electronic products, Japan has a strict regulatory framework for wireless communication devices. Bluetooth headsets entering the Japanese market must pass the Radio Law Certification, which is an important system to ensure the compliant use of radio equipment. This article will systematically analyze the core points of Japan’s Radio Law … Read more

What is the Typical Factory Yield Rate of the MCU You Use?

What is the Typical Factory Yield Rate of the MCU You Use?

The factory defect rate of an MCU (Microcontroller Unit), usually expressed in PPM (Parts Per Million), is a highly variable value that depends on several key factors. For mainstream, mature MCU manufacturers and product lines, the factory defect rate can typically be controlled at a very low level, generally ranging from 10 PPM to 100 … Read more

Considerations for PCB and PCBA Design During Drop Testing

Considerations for PCB and PCBA Design During Drop Testing

Drop testing is a critical step in assessing the mechanical reliability of a product, and its reliability is largely determined during the PCB design and manufacturing stages. The success or failure of drop testing is related to PCB design, PCB manufacturing, and PCBA operations, and this article will elaborate on these three aspects. ★ PCBA … Read more

Why ESD Levels Differ Among Systems with Different MCUs in the Same Environment?

Why ESD Levels Differ Among Systems with Different MCUs in the Same Environment?

A washing machine product selected two different manufacturers’ MCUs with pin compatibility. During EMC certification, it was found that MCU A failed at 5kV, while MCU B could withstand up to 8kV, with all other components and environments being identical. Why do different MCU products exhibit varying ESD levels? The reasons behind this are not … Read more

Understanding GCC Certification and Its Requirements

Understanding GCC Certification and Its Requirements

1. What is GCC Certification? GCC stands for General Certificate of Conformity.It is a written general conformity certificate statement that manufacturers and importers of general use products (i.e., non-child products) must issue based on reasonable testing, as stipulated in the U.S. Consumer Product Safety Improvement Act (CPSIA). 2. What are the requirements for a U.S. … Read more

GB 9706.1-2020 Test Equipment List

GB 9706.1-2020 Test Equipment List

Recommended Course:[Shanghai Inspection Institute] “Medical Electrical Equipment 9706 Series Related Standards Promotion” On the 17th, the National Medical Products Administration’s Standardization Center released the GB 9706.1-2020 Test Equipment List, as follows: GB 9706.1-2020 “Medical Electrical Equipment Part 1: General Requirements for Basic Safety and Essential Performance” will be implemented on May 1, 2023. To further … Read more

Analysis of Requirements for IVD Reagent Testing and Sampling

Analysis of Requirements for IVD Reagent Testing and Sampling

Sharing the essence of recent articles from the “China Medical Device Information” magazine, with continuous updates! Welcome to subscribe! Welcome to contribute! Follow our WeChat public account:zgylqxxx Source: This article was published in the “China Medical Device Information” magazine, 2022, Vol. 28, No. 9 Author: He Ting Bai Ru* Affiliation: Shanghai Medical Device and Cosmetic … Read more

Detailed Explanation of Semiconductor Chip Bonding Strength Testing Standards and Methods (Tensile/Push/Shear Forces)

Detailed Explanation of Semiconductor Chip Bonding Strength Testing Standards and Methods (Tensile/Push/Shear Forces)

In the field of semiconductor packaging, bonding strength is a key indicator for assessing packaging reliability. The editor of Kezhun Measurement and Control has specially compiled industry standard testing methods to help engineers accurately evaluate the quality of gold wire bonding, chip mounting, and other processes. This article will detail the three main types of … Read more

U.S. GCC Certification: General Certificate of Conformity

U.S. GCC Certification: General Certificate of Conformity

The U.S. GCC certification, known as the General Certificate of Conformity (GCC), is a requirement enforced by the U.S. Consumer Product Safety Commission (CPSC) for general use products. These products must undergo testing or accept a reasonable testing program and possess a written GCC to demonstrate compliance. General use products refer to those that are … Read more

Amazon Children’s Bicycle Testing: GCC Certification

Amazon Children's Bicycle Testing: GCC Certification

Attention all sellers of children’s bicycles on Amazon US! Today, let’s discuss the extremely important matters regarding GCC testing standards and application timelines. 📌 What is GCC? GCC stands for General Conformity Certificate. In simple terms, it acts as a “pass” for children’s bicycles to enter the US market. According to the Consumer Product Safety … Read more