The semiconductor supply chain covers all links from raw material procurement, chip manufacturing, packaging and testing to finished product sales, and quality control in each link is of utmost importance. Precision digital thermometers play an important role in semiconductor supply chain quality control.
In the raw material procurement link, for some temperature - sensitive semiconductor raw materials (such as high - purity silicon crystals, photoresists, etc.), suppliers need to use precision digital thermometers to strictly control the storage and transportation temperatures of the raw materials. For example, during the storage and transportation of photoresists, the temperature must be maintained within a specific range (usually 5 - 25℃), otherwise, it will affect its chemical properties and usage effects. By using precision digital thermometers to monitor the temperature in real - time and combining with temperature recording equipment, suppliers can ensure that the temperature of the raw materials meets the requirements throughout the supply chain process, providing downstream chip - manufacturing enterprises with high - quality raw materials.
In the chip - manufacturing link, as mentioned before, precision digital thermometers are used for temperature control and monitoring in key processes such as lithography, etching, and ion implantation, ensuring the stability and consistency of the chip - manufacturing process and thus guaranteeing the quality of the chips. Manufacturing enterprises can establish a quality traceability system by analyzing and statistically processing the data collected by precision digital thermometers. Once chip quality problems are found, they can quickly locate the temperature - related factors in the production process, take corresponding improvement measures, and improve product quality.
In the packaging and testing link, precision digital thermometers are used to control the curing temperature of the packaging materials and the temperature of the testing environment. For example, in the reliability testing of chips, the chips need to be tested under different temperature conditions for a long time with power on to evaluate the performance and lifespan of the chips. Precision digital thermometers ensure the accuracy and stability of the test environment temperature, so that the test results can truly reflect the quality status of the chips. Through the analysis of the test data, packaging and testing enterprises can screen out qualified chips, timely feedback unqualified products to upstream manufacturing enterprises, and promote the quality improvement of the entire supply chain.
