The Prozone phenomenon, also known as the hook effect, occasionally occurs in biochemical analyzers, most commonly with IgG in patients with long-standing multiple myeloma. When you issue a normal report, the patient may immediately question it. The official definition is: a phenomenon of antigen-antibody reaction. In quantitative antigen detection of antibodies, if the antibodies are … Read more
In recent years, sensors have been developing towards sensitivity, precision, adaptability, compactness, and intelligence. In this process, fiber optic sensors, a new member of the sensor family, have gained much favor. Fiber optics possess many excellent properties, such as resistance to electromagnetic interference and atomic radiation, fine diameter, soft texture, and lightweight mechanical properties; electrical … Read more
▲ Click ☆ to star me, in case of losing contact Project Introduction This trial project is based on the NXP S32K312 series core board, aiming to collect the analog signal from a potentiometer using the ADC (Analog-to-Digital Converter) to control the duty cycle of PWM (Pulse Width Modulation), thereby achieving the manual dimming function … Read more
Let’s start with a shocking statement!NXP warns: due to tariffs, the company is currently in a “very uncertain environment“.From last night’s financial report, it is clear that this Dutch semiconductor giant is indeed facing significant uncertainty, with a sharp decline in revenue and net profit in the first quarter, while CEO Kurt Sievers also announced … Read more
🚀 Breakthrough in Domestic Chips: Successful Tape-out of Loongson 2K3000, Achieving Dual Improvements in Computing Power and Performance RetryLoongson Processor Recently, there has been big news! Loongson Technology announced the successful tape-out of their new generation processor 2K3000 (3B6000M) ! This is no small matter; our domestic chips have made a significant leap forward. This … Read more
(Friends who are not interested in the technical background can skip directly to the practical content below) 1. Definition and Significance of Wafer Fabrication Wafer fabrication is the core process of semiconductor manufacturing, referring to the submission of chip design layout data to a wafer foundry for trial production. Through processes such as photolithography, etching, … Read more
Today, let’s dive into some hardcore content! 🔥 With the help of this chip fabrication cost evolution chart, we will understand how chip manufacturing has been “spending money like water” from 90nm to 5nm. Whether you are a newly minted electronic engineer or a chip investment analysis enthusiast, after reading this, you will confidently say: … Read more
On May 14, according to EEnews Europe, Abhi Kolpekwar, Vice President and General Manager of Siemens EDA’s Design Verification Technology, stated that the first tape-out success rate (referring to chips based on advanced process technology) is currently declining, having dropped from 32% in 2020 and 24% in 2022 to 14% in 2024. “This is a … Read more
#04Equipment and Materials4.1 Key Equipment Photolithography Machine: As the core equipment in the fabrication process, its precision and stability have a decisive impact on the quality of chip pattern transfer. Modern photolithography machines utilize advanced optical systems and precise mechanical structures to project layout patterns onto silicon wafers with extremely high resolution, enabling the accurate … Read more
Multiple failed tape-outs may lead to the collapse of a company. The chip industry is no stranger to tape-out. The so-called tape-out refers to the process of manufacturing chips through a series of steps, akin to an assembly line. This stage is crucial as it lies between chip design and mass production. In simple terms, … Read more