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The development status of SMT chip processing in China
The development status of SMT chip processing in China

The development status of SMT chip processing in China


      SMT patch: Historically speaking, the placement of SMC/SMD components was invented in the mid-1960s by advanced technology countries in Europe and the United States. Print solder paste on the ceramic substrate where the circuits, thick film resistors and pads have been made before, and manually paste the leadless monolithic ceramic capacitor MLC, short pin transistor called "sesame tube" and mount it IC, and then reflow soldering to complete the assembly, this is the rudimentary SMT method. Although the academic term "SMT" did not appear at the time, and a separate technical category has not yet been formed, this advanced assembly process that has gradually formed has shown its strong vitality.

The Chinese electronic component academia has been paying close attention to the development trend of SMC/SMT in the world as early as the early 1980s. From the late 1970s and early 1980s, Chinese electronic science and technology personnel began to track the development of foreign SMT chip processing technology, and STM technology is applied in a small area. The earliest large-scale introduction of STM production lines in China began in the early and mid-1980s. The background is that China's color TV industry technology began to be introduced. The matching color TV tuners, such as Panasonic color TV tuners, have changed from A-type to B-type electronic tuners, and a large number of chip components are used in new tuners. Under the guidance of the planned economy at that time,

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domestic color TV tuner factories began to introduce STM production lines, including Panasonic, Sanyo, TESCON, TDK, etc.

  In contrast, Europe and the United States, which formed the earliest SMT technology, are making slow progress. Japan, which lacks resources but is good at learning from the West and re-innovating technology, accelerated the pace of development and application in the mid-1970s. In the late 1970s, a large Japanese electronics enterprise group took the lead to successfully develop an automatic placement machine, which was gradually improved from internal dedicated equipment to commercialized general-purpose equipment, which was used in the production of household electronic products in large quantities. In the early 1980s, SMT, as a new type of advanced electronic board-level assembly technology, was officially launched due to the breakthrough of the key process equipment for automatic placement. SMT chip processing technology has been developed vigorously in the development and competition among large electronic group companies in developed countries. Since the SMC/SMD has no leads or short leads, it is convenient to improve the high-frequency performance of electronic products, so it is the earliest and most used color TV electronic tuner with a large volume and a wide range. It was against this background that a large number of SMT related companies emerged in Japan in the 1970s. GOOT Taiyang Electric was established on April 30, 1965, MALCOM was founded in September 1973, and Tamura Tamura was established on November 21, 1939. It can be seen that some well-known SMT-related companies in Japan today were established one after another around the 1970s.

After more than 20 years of development, SMT technology has become increasingly mature and high-end. The Japanese companies that were initially established have grown and become well-known brands today, while Chinese SMT has grown from scratch and grown from small to large, and has become the world's most A large-scale SMT application country. The popularization of SMT patch processing has made a huge contribution to the development of my country's electronic information industry.

      Looking to the future, TAMURA's lead-free solder paste has gradually replaced leaded solder paste, and low-silver solder paste has been developed to fill the gap in automotive electronics; various SMT peripheral testing equipment of MALCOM has been continuously developed and improved, from simulated reflow to real-time furnace Monitoring, everything is included; GOOT has a complete range of soldering station models, continuous improvement of heating cores, and anti-static products dominating in line with the trend. These signals all indicate that foreign SMT technology is becoming more mature, environmentally friendly and advanced.

   With the rapid development of my country's communications, computers, networks, and electronic products, and in accordance with the country's requirements for the development of strategic emerging industries, SMT chip processing also has a very broad development prospect in my country. As the world's largest and most important STM market, China also has a huge market for SMT related products. Then, China continues to introduce increasingly perfect SMT technology from abroad to enrich its domestic technology and improve the quality of its various electronic products. This trend is the general trend, no doubt.